将 ABP 中的元素隐藏规则转换为 CSS 使用
目前为
// ==UserScript==
// @name 套壳油猴的广告拦截脚本.副本
// @author Lemon399
// @version 2.4.6
// @description 将 ABP 中的元素隐藏规则转换为 CSS 使用
// @resource jiekouAD https://raw.fastgit.org/damengzhu/banad/main/jiekouAD.txt
// @resource CSSRule https://raw.staticdn.net/damengzhu/abpmerge/main/CSSRule.txt
// @match https://*/*
// @match http://*/*
// @run-at document-start
// @grant unsafeWindow
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_setValue
// @grant GM_addStyle
// @grant GM_xmlhttpRequest
// @grant GM_getResourceText
// @namespace https://lemon399-bitbucket-io.vercel.app/
// @source https://gitee.com/lemon399/tampermonkey-cli/tree/master/projects/abp_parse
// @connect raw.fastgit.org
// @connect raw.staticdn.net
// @copyright GPL-3.0
// @license GPL-3.0
// ==/UserScript==
(function (tm) {
"use strict";
function __awaiter(thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P
? value
: new P(function (resolve) {
resolve(value);
});
}
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
}
function rejected(value) {
try {
step(generator["throw"](value));
} catch (e) {
reject(e);
}
}
function step(result) {
result.done
? resolve(result.value)
: adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
}
const onlineRules = [];
onlineRules.push(
{
标识: "jiekouAD",
地址: "https://raw.fastgit.org/damengzhu/banad/main/jiekouAD.txt",
在线更新: !!1,
筛选后存储: !!1,
},
{
标识: "CSSRule",
地址: "https://raw.staticdn.net/damengzhu/abpmerge/main/CSSRule.txt",
在线更新: !!1,
筛选后存储: !!0,
}
);
let defaultRules = `
! 没有 ## #@# #?# #@?#
! #$# #@$# #$?# #@$?# 的行和
! 开头为 ! 的行会忽略
!
! 由于语法限制，内置规则中
! 一个反斜杠需要改成两个，像这样 \\
!
! 若要修改地址，请注意同步修改
! 头部的 @connect 和 @resource
`;
const CRRE =
/^(~?[\w-]+(?:\.[\w-]+)*(?:\.[\w-]+|\.\*)(?:,~?[\w-]+(?:\.[\w-]+)*(?:\.[\w-]+|\.\*))*)?(#@?\$?\??#)([^\s^+].*)/,
BRRE =
/^(?:@@?)(\|\|?)?(https?:\/\/)?([^\s"<>`]+?[|^]?)\$((?:~?[\w-]+(?:=[\s\w'":.-]+)?|_+)(?:,(?:~?[\w-]+(?:=[\s\w'":.-]+)?|_+))*)$/,
CCRE = /^\/\* (.+?) \*\/ /,
BROpts = [
"elemhide",
"ehide",
"specifichide",
"shide",
"generichide",
"ghide",
];
const CRFlags = ["##", "#@#", "#?#", "#@?#", "#$#", "#@$#", "#$?#", "#@$?#"];
function bRuleSpliter(rule) {
const group = rule.match(BRRE),
body = group[3],
options = group[4].split(","),
sepChar = "[!#&'()+,/:;=?@~|{}$]",
anyChar = '([^\\s"<>`]*)',
eh = hasSome(options, ["elemhide", "ehide"]),
sh = hasSome(options, ["specifichide", "shide"]),
gh = hasSome(options, ["generichide", "ghide"]);
let urlres = "";
urlres += group[1]
? group[2]
? `^${group[2]}`
: `^https?://((${anyChar}:)?(${anyChar}@))?([\\w-]+\\.)*?`
: `^${anyChar}`;
urlres += body
.replace(/[-\\$+.()[\]{}]/g, "\\$&")
.replace(/\|$/, "$")
.replace(/\|/g, "\\|")
.replace(/\^$/, `(${sepChar}|$)`)
.replace(/\^/g, sepChar)
.replace(/\*$/g, "")
.replace(/\*/g, anyChar);
return {
rule: rule,
match: urlres,
level: eh ? 3 : gh && sh ? 3 : sh ? 2 : gh ? 1 : 0,
};
}
function isBasicRule(rule) {
return BRRE.test(rule) && hasSome(rule, BROpts);
}
function bRuleParser(rule, url = location.href) {
return new RegExp(rule.match).test(url) ? rule.level : 0;
}
function findMatches(string, res) {
let result = [-1, null];
res.forEach((re, i) => {
const match = string.match(re);
if (match) result = [i, match];
});
return result;
}
function getEtag(header) {
const result = findMatches(header, [
/(e|E)tag: \"(\w+)\"/,
// WebMonkey 系
/(e|E)tag: \[\"(\w+)\"\]/,
// 书签地球
/(e|E)tag=\"(\w+)\"/,
]);
return result[1] ? result[1][2] : null;
}
function makeRuleBox() {
return {
black: [],
white: [],
};
}
function domainChecker(domains) {
const results = [],
invResults = [],
urlSuffix = /\.+?[\w-]+$/.exec(location.hostname);
let totalResult = [0, false],
black = false,
white = false,
match = false;
domains.forEach((domain) => {
if (domain.endsWith(".*") && Array.isArray(urlSuffix)) {
domain = domain.replace(".*", urlSuffix[0]);
}
const invert = domain[0] == "~";
if (invert) domain = domain.slice(1);
const result = location.hostname.endsWith(domain);
if (invert) {
if (result) white = true;
invResults.push([domain.length, !result]);
} else {
if (result) black = true;
results.push([domain.length, result]);
}
});
if (results.length > 0 && !black) {
match = false;
} else if (invResults.length > 0 && !white) {
match = true;
} else {
results.forEach((r) => {
if (r[0] >= totalResult[0] && r[1]) {
totalResult = r;
}
});
invResults.forEach((r) => {
if (r[0] >= totalResult[0] && !r[1]) {
totalResult = r;
}
});
match = totalResult[1];
}
return [match, results.length == 0];
}
function hasSome(str, arr) {
return arr.some((word) => str.includes(word));
}
function ruleSpliter(rule) {
var _a;
const group = rule.match(CRRE);
if (group) {
const sel = group[3],
type = CRFlags.indexOf(group[2]),
matchResult = !group[1]
? [true, true]
: domainChecker(group[1].split(","));
if (sel && matchResult[0]) {
return {
black: type % 2 ? "white" : "black",
type: Math.floor(type / 2),
place: (_a = group[1]) !== null && _a !== void 0 ? _a : "*",
generic: matchResult[1],
sel,
};
}
}
}
function ruleLoader(rule) {
if (
hasSome(rule, [
":matches-path(",
":min-text-length(",
":watch-attr(",
":-abp-properties(",
":matches-property(",
])
)
return;
// 去掉开头空格
rule = rule.replace(/^ +/, "");
// 如果 #$# 不包含 {} 就排除
// 可以尽量排除 Snippet Filters
if (/(\w|^)#\$#/.test(rule) && !/{.+}/.test(rule)) return;
// ## -> #?#
if (
/(\w|^)#@?#/.test(rule) &&
hasSome(rule, [
":has(",
":-abp-has(",
"[-ext-has=",
":has-text(",
"contains(",
"-abp-contains(",
"[-ext-contains=",
"matches-css(",
"[-ext-matches-css=",
"matches-css-before(",
"[-ext-matches-css-before=",
"matches-css-after(",
"[-ext-matches-css-after=",
"matches-attr(",
"nth-ancestor(",
"upward(",
"xpath(",
"remove()",
"not(",
])
) {
rule = rule.replace(/(\w|^)##/, "$1#?#").replace(/(\w|^)#@#/, "$1#@?#");
}
// :style(...) 转换
// example.com#?##id:style(color: red)
// example.com#$?##id { color: red }
if (rule.includes(":style(")) {
rule = rule
.replace(/(\w|^)##/, "$1#$#")
.replace(/(\w|^)#@#/, "$1#@$#")
.replace(/(\w|^)#\?#/, "$1#$?#")
.replace(/(\w|^)#@\?#/, "$1#@$?#")
.replace(/:style\(/, " { ")
.replace(/\)$/, " }");
}
return ruleSpliter(rule);
}
function textToBlobUrl(text) {
return URL.createObjectURL(new Blob([text]));
}
function downUrl(url, name) {
const a = document.createElement("a");
a.href = url;
a.download = name;
Object.assign(a.style, {
position: "fixed",
top: "200%",
});
document.body.appendChild(a);
setTimeout(() => {
a.click();
a.remove();
}, 0);
}
function _defineProperty(obj, key, value) {
if (key in obj) {
Object.defineProperty(obj, key, {
value: value,
enumerable: true,
configurable: true,
writable: true,
});
} else {
obj[key] = value;
}
return obj;
}
const NODE = {
SELECTOR_LIST: "SelectorList",
SELECTOR: "Selector",
REGULAR_SELECTOR: "RegularSelector",
EXTENDED_SELECTOR: "ExtendedSelector",
ABSOLUTE_PSEUDO_CLASS: "AbsolutePseudoClass",
RELATIVE_PSEUDO_CLASS: "RelativePseudoClass",
};
class AnySelectorNode {
constructor(type) {
_defineProperty(this, "children", []);
this.type = type;
}
addChild(child) {
this.children.push(child);
}
}
class RegularSelectorNode extends AnySelectorNode {
constructor(value) {
super(NODE.REGULAR_SELECTOR);
this.value = value;
}
}
class RelativePseudoClassNode extends AnySelectorNode {
constructor(name) {
super(NODE.RELATIVE_PSEUDO_CLASS);
this.name = name;
}
}
class AbsolutePseudoClassNode extends AnySelectorNode {
constructor(name) {
super(NODE.ABSOLUTE_PSEUDO_CLASS);
_defineProperty(this, "value", "");
this.name = name;
}
}
const LEFT_SQUARE_BRACKET = "[";
const RIGHT_SQUARE_BRACKET = "]";
const LEFT_PARENTHESIS = "(";
const RIGHT_PARENTHESIS = ")";
const LEFT_CURLY_BRACKET = "{";
const RIGHT_CURLY_BRACKET = "}";
const BRACKET = {
SQUARE: {
LEFT: LEFT_SQUARE_BRACKET,
RIGHT: RIGHT_SQUARE_BRACKET,
},
PARENTHESES: {
LEFT: LEFT_PARENTHESIS,
RIGHT: RIGHT_PARENTHESIS,
},
CURLY: {
LEFT: LEFT_CURLY_BRACKET,
RIGHT: RIGHT_CURLY_BRACKET,
},
};
const SLASH = "/";
const BACKSLASH = "\\";
const SPACE = " ";
const COMMA = ",";
const DOT = ".";
const SEMICOLON = ";";
const COLON = ":";
const SINGLE_QUOTE = "'";
const DOUBLE_QUOTE = '"';
const CARET = "^";
const DOLLAR_SIGN = "$";
const EQUAL_SIGN = "=";
const TAB = "\t";
const CARRIAGE_RETURN = "\r";
const LINE_FEED = "\n";
const FORM_FEED = "\f";
const WHITE_SPACE_CHARACTERS = [
SPACE,
TAB,
CARRIAGE_RETURN,
LINE_FEED,
FORM_FEED,
];
const ASTERISK = "*";
const ID_MARKER = "#";
const CLASS_MARKER = DOT;
const DESCENDANT_COMBINATOR = SPACE;
const CHILD_COMBINATOR = ">";
const NEXT_SIBLING_COMBINATOR = "+";
const SUBSEQUENT_SIBLING_COMBINATOR = "~";
const COMBINATORS = [
DESCENDANT_COMBINATOR,
CHILD_COMBINATOR,
NEXT_SIBLING_COMBINATOR,
SUBSEQUENT_SIBLING_COMBINATOR,
];
const SUPPORTED_SELECTOR_MARKS = [
LEFT_SQUARE_BRACKET,
RIGHT_SQUARE_BRACKET,
LEFT_PARENTHESIS,
RIGHT_PARENTHESIS,
LEFT_CURLY_BRACKET,
RIGHT_CURLY_BRACKET,
SLASH,
BACKSLASH,
SEMICOLON,
COLON,
COMMA,
SINGLE_QUOTE,
DOUBLE_QUOTE,
CARET,
DOLLAR_SIGN,
ASTERISK,
ID_MARKER,
CLASS_MARKER,
DESCENDANT_COMBINATOR,
CHILD_COMBINATOR,
NEXT_SIBLING_COMBINATOR,
SUBSEQUENT_SIBLING_COMBINATOR,
TAB,
CARRIAGE_RETURN,
LINE_FEED,
FORM_FEED,
];
const SUPPORTED_STYLE_DECLARATION_MARKS = [
COLON,
SEMICOLON,
SINGLE_QUOTE,
DOUBLE_QUOTE,
BACKSLASH,
SPACE,
TAB,
CARRIAGE_RETURN,
LINE_FEED,
FORM_FEED,
];
const CONTAINS_PSEUDO = "contains";
const HAS_TEXT_PSEUDO = "has-text";
const ABP_CONTAINS_PSEUDO = "-abp-contains";
const MATCHES_CSS_PSEUDO = "matches-css";
const MATCHES_CSS_BEFORE_PSEUDO = "matches-css-before";
const MATCHES_CSS_AFTER_PSEUDO = "matches-css-after";
const MATCHES_ATTR_PSEUDO_CLASS_MARKER = "matches-attr";
const MATCHES_PROPERTY_PSEUDO_CLASS_MARKER = "matches-property";
const XPATH_PSEUDO_CLASS_MARKER = "xpath";
const NTH_ANCESTOR_PSEUDO_CLASS_MARKER = "nth-ancestor";
const CONTAINS_PSEUDO_NAMES = [
CONTAINS_PSEUDO,
HAS_TEXT_PSEUDO,
ABP_CONTAINS_PSEUDO,
];
const UPWARD_PSEUDO_CLASS_MARKER = "upward";
const REMOVE_PSEUDO_MARKER = "remove";
const HAS_PSEUDO_CLASS_MARKER = "has";
const ABP_HAS_PSEUDO_CLASS_MARKER = "-abp-has";
const HAS_PSEUDO_CLASS_MARKERS = [
HAS_PSEUDO_CLASS_MARKER,
ABP_HAS_PSEUDO_CLASS_MARKER,
];
const IS_PSEUDO_CLASS_MARKER = "is";
const NOT_PSEUDO_CLASS_MARKER = "not";
const ABSOLUTE_PSEUDO_CLASSES = [
CONTAINS_PSEUDO,
HAS_TEXT_PSEUDO,
ABP_CONTAINS_PSEUDO,
MATCHES_CSS_PSEUDO,
MATCHES_CSS_BEFORE_PSEUDO,
MATCHES_CSS_AFTER_PSEUDO,
MATCHES_ATTR_PSEUDO_CLASS_MARKER,
MATCHES_PROPERTY_PSEUDO_CLASS_MARKER,
XPATH_PSEUDO_CLASS_MARKER,
NTH_ANCESTOR_PSEUDO_CLASS_MARKER,
UPWARD_PSEUDO_CLASS_MARKER,
];
const RELATIVE_PSEUDO_CLASSES = [
...HAS_PSEUDO_CLASS_MARKERS,
IS_PSEUDO_CLASS_MARKER,
NOT_PSEUDO_CLASS_MARKER,
];
const SUPPORTED_PSEUDO_CLASSES = [
...ABSOLUTE_PSEUDO_CLASSES,
...RELATIVE_PSEUDO_CLASSES,
];
const OPTIMIZATION_PSEUDO_CLASSES = [
NOT_PSEUDO_CLASS_MARKER,
IS_PSEUDO_CLASS_MARKER,
];
const SCOPE_CSS_PSEUDO_CLASS = ":scope";
const REGULAR_PSEUDO_ELEMENTS = {
AFTER: "after",
BACKDROP: "backdrop",
BEFORE: "before",
CUE: "cue",
CUE_REGION: "cue-region",
FIRST_LETTER: "first-letter",
FIRST_LINE: "first-line",
FILE_SELECTION_BUTTON: "file-selector-button",
GRAMMAR_ERROR: "grammar-error",
MARKER: "marker",
PART: "part",
PLACEHOLDER: "placeholder",
SELECTION: "selection",
SLOTTED: "slotted",
SPELLING_ERROR: "spelling-error",
TARGET_TEXT: "target-text",
};
const AT_RULE_MARKER = "@";
const CONTENT_CSS_PROPERTY = "content";
const PSEUDO_PROPERTY_POSITIVE_VALUE = "true";
const DEBUG_PSEUDO_PROPERTY_GLOBAL_VALUE = "global";
const NO_SELECTOR_ERROR_PREFIX = "Selector should be defined";
const STYLE_ERROR_PREFIX = {
NO_STYLE: "No style declaration found",
NO_SELECTOR: `${NO_SELECTOR_ERROR_PREFIX} before style declaration in stylesheet`,
INVALID_STYLE: "Invalid style declaration",
UNCLOSED_STYLE: "Unclosed style declaration",
NO_PROPERTY: "Missing style property in declaration",
NO_VALUE: "Missing style value in declaration",
NO_STYLE_OR_REMOVE:
"Style should be declared or :remove() pseudo-class should used",
NO_COMMENT: "Comments are not supported",
};
const NO_AT_RULE_ERROR_PREFIX = "At-rules are not supported";
const REMOVE_ERROR_PREFIX = {
INVALID_REMOVE: "Invalid :remove() pseudo-class in selector",
NO_TARGET_SELECTOR: `${NO_SELECTOR_ERROR_PREFIX} before :remove() pseudo-class`,
MULTIPLE_USAGE: "Pseudo-class :remove() appears more than once in selector",
INVALID_POSITION: "Pseudo-class :remove() should be at the end of selector",
};
const MATCHING_ELEMENT_ERROR_PREFIX = "Error while matching element";
const MAX_STYLE_PROTECTION_COUNT = 50;
const REGEXP_VALID_OLD_SYNTAX =
/\[-(?:ext)-([a-z-_]+)=(["'])((?:(?=(\\?))\4.)*?)\2\]/g;
const INVALID_OLD_SYNTAX_MARKER = "[-ext-";
const evaluateMatch = (match, name, quoteChar, rawValue) => {
const re = new RegExp(`([^\\\\]|^)\\\\${quoteChar}`, "g");
const value = rawValue.replace(re, `$1${quoteChar}`);
return `:${name}(${value})`;
};
const SCOPE_MARKER_REGEXP = /\(:scope >/g;
const SCOPE_REPLACER = "(>";
const MATCHES_CSS_PSEUDO_ELEMENT_REGEXP = /(:matches-css)-(before|after)\(/g;
const convertMatchesCss = (
match,
extendedPseudoClass,
regularPseudoElement
) => {
return `${extendedPseudoClass}${BRACKET.PARENTHESES.LEFT}${regularPseudoElement}${COMMA}`;
};
const normalize = (selector) => {
const normalizedSelector = selector
.replace(REGEXP_VALID_OLD_SYNTAX, evaluateMatch)
.replace(SCOPE_MARKER_REGEXP, SCOPE_REPLACER)
.replace(MATCHES_CSS_PSEUDO_ELEMENT_REGEXP, convertMatchesCss);
if (normalizedSelector.includes(INVALID_OLD_SYNTAX_MARKER)) {
throw new Error(
`Invalid extended-css old syntax selector: '${selector}'`
);
}
return normalizedSelector;
};
const convert = (rawSelector) => {
const trimmedSelector = rawSelector.trim();
return normalize(trimmedSelector);
};
const TOKEN_TYPE = {
MARK: "mark",
WORD: "word",
};
const tokenize = (input, supportedMarks) => {
let wordBuffer = "";
const tokens = [];
const selectorSymbols = input.split("");
selectorSymbols.forEach((symbol) => {
if (supportedMarks.includes(symbol)) {
if (wordBuffer.length > 0) {
tokens.push({
type: TOKEN_TYPE.WORD,
value: wordBuffer,
});
wordBuffer = "";
}
tokens.push({
type: TOKEN_TYPE.MARK,
value: symbol,
});
return;
}
wordBuffer += symbol;
});
if (wordBuffer.length > 0) {
tokens.push({
type: TOKEN_TYPE.WORD,
value: wordBuffer,
});
}
return tokens;
};
const tokenizeSelector = (rawSelector) => {
const selector = convert(rawSelector);
return tokenize(selector, SUPPORTED_SELECTOR_MARKS);
};
const tokenizeAttribute = (attribute) => {
return tokenize(attribute, [...SUPPORTED_SELECTOR_MARKS, EQUAL_SIGN]);
};
const flatten = (input) => {
const stack = [];
input.forEach((el) => stack.push(el));
const res = [];
while (stack.length) {
const next = stack.pop();
if (!next) {
throw new Error("Unable to make array flat");
}
if (Array.isArray(next)) {
next.forEach((el) => stack.push(el));
} else {
res.push(next);
}
}
return res.reverse();
};
const getFirst = (array) => {
return array[0];
};
const getLast = (array) => {
return array[array.length - 1];
};
const getPrevToLast = (array) => {
return array[array.length - 2];
};
const getItemByIndex = (array, index, errorMessage) => {
const indexChild = array[index];
if (!indexChild) {
throw new Error(errorMessage || `No array item found by index ${index}`);
}
return indexChild;
};
const NO_REGULAR_SELECTOR_ERROR =
"At least one of Selector node children should be RegularSelector";
const isSelectorListNode = (astNode) => {
return (
(astNode === null || astNode === void 0 ? void 0 : astNode.type) ===
NODE.SELECTOR_LIST
);
};
const isSelectorNode = (astNode) => {
return (
(astNode === null || astNode === void 0 ? void 0 : astNode.type) ===
NODE.SELECTOR
);
};
const isRegularSelectorNode = (astNode) => {
return (
(astNode === null || astNode === void 0 ? void 0 : astNode.type) ===
NODE.REGULAR_SELECTOR
);
};
const isExtendedSelectorNode = (astNode) => {
return astNode.type === NODE.EXTENDED_SELECTOR;
};
const isAbsolutePseudoClassNode = (astNode) => {
return (
(astNode === null || astNode === void 0 ? void 0 : astNode.type) ===
NODE.ABSOLUTE_PSEUDO_CLASS
);
};
const isRelativePseudoClassNode = (astNode) => {
return (
(astNode === null || astNode === void 0 ? void 0 : astNode.type) ===
NODE.RELATIVE_PSEUDO_CLASS
);
};
const getNodeName = (astNode) => {
if (astNode === null) {
throw new Error("Ast node should be defined");
}
if (
!isAbsolutePseudoClassNode(astNode) &&
!isRelativePseudoClassNode(astNode)
) {
throw new Error(
"Only AbsolutePseudoClass or RelativePseudoClass ast node can have a name"
);
}
if (!astNode.name) {
throw new Error("Extended pseudo-class should have a name");
}
return astNode.name;
};
const getNodeValue = (astNode, errorMessage) => {
if (astNode === null) {
throw new Error("Ast node should be defined");
}
if (
!isRegularSelectorNode(astNode) &&
!isAbsolutePseudoClassNode(astNode)
) {
throw new Error(
"Only RegularSelector ot AbsolutePseudoClass ast node can have a value"
);
}
if (!astNode.value) {
throw new Error(
errorMessage ||
"Ast RegularSelector ot AbsolutePseudoClass node should have a value"
);
}
return astNode.value;
};
const getRegularSelectorNodes = (children) => {
return children.filter(isRegularSelectorNode);
};
const getFirstRegularChild = (children, errorMessage) => {
const regularSelectorNodes = getRegularSelectorNodes(children);
const firstRegularSelectorNode = getFirst(regularSelectorNodes);
if (!firstRegularSelectorNode) {
throw new Error(errorMessage || NO_REGULAR_SELECTOR_ERROR);
}
return firstRegularSelectorNode;
};
const getLastRegularChild = (children) => {
const regularSelectorNodes = getRegularSelectorNodes(children);
const lastRegularSelectorNode = getLast(regularSelectorNodes);
if (!lastRegularSelectorNode) {
throw new Error(NO_REGULAR_SELECTOR_ERROR);
}
return lastRegularSelectorNode;
};
const getNodeOnlyChild = (node, errorMessage) => {
if (node.children.length !== 1) {
throw new Error(errorMessage);
}
const onlyChild = getFirst(node.children);
if (!onlyChild) {
throw new Error(errorMessage);
}
return onlyChild;
};
const getPseudoClassNode = (extendedSelectorNode) => {
return getNodeOnlyChild(
extendedSelectorNode,
"Extended selector should be specified"
);
};
const getRelativeSelectorListNode = (pseudoClassNode) => {
if (!isRelativePseudoClassNode(pseudoClassNode)) {
throw new Error(
"Only RelativePseudoClass node can have relative SelectorList node as child"
);
}
return getNodeOnlyChild(
pseudoClassNode,
`Missing arg for :${getNodeName(pseudoClassNode)}() pseudo-class`
);
};
const ATTRIBUTE_CASE_INSENSITIVE_FLAG = "i";
const POSSIBLE_MARKS_BEFORE_REGEXP = {
COMMON: [
BRACKET.PARENTHESES.LEFT,
SINGLE_QUOTE,
DOUBLE_QUOTE,
EQUAL_SIGN,
DOT,
COLON,
SPACE,
],
CONTAINS: [BRACKET.PARENTHESES.LEFT, SINGLE_QUOTE, DOUBLE_QUOTE],
};
const isSupportedPseudoClass = (tokenValue) => {
return SUPPORTED_PSEUDO_CLASSES.includes(tokenValue);
};
const isOptimizationPseudoClass = (name) => {
return OPTIMIZATION_PSEUDO_CLASSES.includes(name);
};
const doesRegularContinueAfterSpace = (nextTokenType, nextTokenValue) => {
if (!nextTokenType || !nextTokenValue) {
return false;
}
return (
COMBINATORS.includes(nextTokenValue) ||
nextTokenType === TOKEN_TYPE.WORD ||
nextTokenValue === ASTERISK ||
nextTokenValue === ID_MARKER ||
nextTokenValue === CLASS_MARKER ||
nextTokenValue === COLON ||
nextTokenValue === SINGLE_QUOTE ||
nextTokenValue === DOUBLE_QUOTE ||
nextTokenValue === BRACKET.SQUARE.LEFT
);
};
const isRegexpOpening = (context, prevTokenValue, bufferNodeValue) => {
const lastExtendedPseudoClassName = getLast(
context.extendedPseudoNamesStack
);
if (!lastExtendedPseudoClassName) {
throw new Error(
"Regexp pattern allowed only in arg of extended pseudo-class"
);
}
if (CONTAINS_PSEUDO_NAMES.includes(lastExtendedPseudoClassName)) {
return POSSIBLE_MARKS_BEFORE_REGEXP.CONTAINS.includes(prevTokenValue);
}
if (
prevTokenValue === SLASH &&
lastExtendedPseudoClassName !== XPATH_PSEUDO_CLASS_MARKER
) {
const rawArgDesc = bufferNodeValue
? `in arg part: '${bufferNodeValue}'`
: "arg";
throw new Error(
`Invalid regexp pattern for :${lastExtendedPseudoClassName}() pseudo-class ${rawArgDesc}`
);
}
return POSSIBLE_MARKS_BEFORE_REGEXP.COMMON.includes(prevTokenValue);
};
const isAttributeOpening = (tokenValue, prevTokenValue) => {
return tokenValue === BRACKET.SQUARE.LEFT && prevTokenValue !== BACKSLASH;
};
const isAttributeClosing = (context) => {
var _getPrevToLast;
if (!context.isAttributeBracketsOpen) {
return false;
}
const noSpaceAttr = context.attributeBuffer.split(SPACE).join("");
const attrTokens = tokenizeAttribute(noSpaceAttr);
const firstAttrToken = getFirst(attrTokens);
const firstAttrTokenType =
firstAttrToken === null || firstAttrToken === void 0
? void 0
: firstAttrToken.type;
const firstAttrTokenValue =
firstAttrToken === null || firstAttrToken === void 0
? void 0
: firstAttrToken.value;
if (
firstAttrTokenType === TOKEN_TYPE.MARK &&
firstAttrTokenValue !== BACKSLASH
) {
throw new Error(
`'[${context.attributeBuffer}]' is not a valid attribute due to '${firstAttrTokenValue}' at start of it`
);
}
const lastAttrToken = getLast(attrTokens);
const lastAttrTokenType =
lastAttrToken === null || lastAttrToken === void 0
? void 0
: lastAttrToken.type;
const lastAttrTokenValue =
lastAttrToken === null || lastAttrToken === void 0
? void 0
: lastAttrToken.value;
if (lastAttrTokenValue === EQUAL_SIGN) {
throw new Error(
`'[${context.attributeBuffer}]' is not a valid attribute due to '${EQUAL_SIGN}'`
);
}
const equalSignIndex = attrTokens.findIndex((token) => {
return token.type === TOKEN_TYPE.MARK && token.value === EQUAL_SIGN;
});
const prevToLastAttrTokenValue =
(_getPrevToLast = getPrevToLast(attrTokens)) === null ||
_getPrevToLast === void 0
? void 0
: _getPrevToLast.value;
if (equalSignIndex === -1) {
if (lastAttrTokenType === TOKEN_TYPE.WORD) {
return true;
}
return (
prevToLastAttrTokenValue === BACKSLASH &&
(lastAttrTokenValue === DOUBLE_QUOTE ||
lastAttrTokenValue === SINGLE_QUOTE)
);
}
const nextToEqualSignToken = getItemByIndex(attrTokens, equalSignIndex + 1);
const nextToEqualSignTokenValue = nextToEqualSignToken.value;
const isAttrValueQuote =
nextToEqualSignTokenValue === SINGLE_QUOTE ||
nextToEqualSignTokenValue === DOUBLE_QUOTE;
if (!isAttrValueQuote) {
if (lastAttrTokenType === TOKEN_TYPE.WORD) {
return true;
}
throw new Error(
`'[${context.attributeBuffer}]' is not a valid attribute`
);
}
if (
lastAttrTokenType === TOKEN_TYPE.WORD &&
(lastAttrTokenValue === null || lastAttrTokenValue === void 0
? void 0
: lastAttrTokenValue.toLocaleLowerCase()) ===
ATTRIBUTE_CASE_INSENSITIVE_FLAG
) {
return prevToLastAttrTokenValue === nextToEqualSignTokenValue;
}
return lastAttrTokenValue === nextToEqualSignTokenValue;
};
const isWhiteSpaceChar = (tokenValue) => {
if (!tokenValue) {
return false;
}
return WHITE_SPACE_CHARACTERS.includes(tokenValue);
};
const isAbsolutePseudoClass = (str) => {
return ABSOLUTE_PSEUDO_CLASSES.includes(str);
};
const isRelativePseudoClass = (str) => {
return RELATIVE_PSEUDO_CLASSES.includes(str);
};
const getBufferNode = (context) => {
if (context.pathToBufferNode.length === 0) {
return null;
}
return getLast(context.pathToBufferNode) || null;
};
const getBufferNodeParent = (context) => {
if (context.pathToBufferNode.length < 2) {
return null;
}
return getPrevToLast(context.pathToBufferNode) || null;
};
const getContextLastRegularSelectorNode = (context) => {
const bufferNode = getBufferNode(context);
if (!bufferNode) {
throw new Error("No bufferNode found");
}
if (!isSelectorNode(bufferNode)) {
throw new Error("Unsupported bufferNode type");
}
const lastRegularSelectorNode = getLastRegularChild(bufferNode.children);
context.pathToBufferNode.push(lastRegularSelectorNode);
return lastRegularSelectorNode;
};
const updateBufferNode = (context, tokenValue) => {
const bufferNode = getBufferNode(context);
if (bufferNode === null) {
throw new Error("No bufferNode to update");
}
if (isAbsolutePseudoClassNode(bufferNode)) {
bufferNode.value += tokenValue;
} else if (isRegularSelectorNode(bufferNode)) {
bufferNode.value += tokenValue;
if (context.isAttributeBracketsOpen) {
context.attributeBuffer += tokenValue;
}
} else {
throw new Error(
`${bufferNode.type} node cannot be updated. Only RegularSelector and AbsolutePseudoClass are supported`
);
}
};
const addSelectorListNode = (context) => {
const selectorListNode = new AnySelectorNode(NODE.SELECTOR_LIST);
context.ast = selectorListNode;
context.pathToBufferNode.push(selectorListNode);
};
const addAstNodeByType = function (context, type) {
let tokenValue =
arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : "";
const bufferNode = getBufferNode(context);
if (bufferNode === null) {
throw new Error("No buffer node");
}
let node;
if (type === NODE.REGULAR_SELECTOR) {
node = new RegularSelectorNode(tokenValue);
} else if (type === NODE.ABSOLUTE_PSEUDO_CLASS) {
node = new AbsolutePseudoClassNode(tokenValue);
} else if (type === NODE.RELATIVE_PSEUDO_CLASS) {
node = new RelativePseudoClassNode(tokenValue);
} else {
node = new AnySelectorNode(type);
}
bufferNode.addChild(node);
context.pathToBufferNode.push(node);
};
const initAst = (context, tokenValue) => {
addSelectorListNode(context);
addAstNodeByType(context, NODE.SELECTOR);
addAstNodeByType(context, NODE.REGULAR_SELECTOR, tokenValue);
};
const initRelativeSubtree = function (context) {
let tokenValue =
arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
addAstNodeByType(context, NODE.SELECTOR_LIST);
addAstNodeByType(context, NODE.SELECTOR);
addAstNodeByType(context, NODE.REGULAR_SELECTOR, tokenValue);
};
const upToClosest = (context, parentType) => {
for (let i = context.pathToBufferNode.length - 1; i >= 0; i -= 1) {
var _context$pathToBuffer;
if (
((_context$pathToBuffer = context.pathToBufferNode[i]) === null ||
_context$pathToBuffer === void 0
? void 0
: _context$pathToBuffer.type) === parentType
) {
context.pathToBufferNode = context.pathToBufferNode.slice(0, i + 1);
break;
}
}
};
const getUpdatedBufferNode = (context) => {
const bufferNode = getBufferNode(context);
if (
bufferNode &&
isSelectorListNode(bufferNode) &&
isRelativePseudoClassNode(getBufferNodeParent(context))
) {
return bufferNode;
}
upToClosest(context, NODE.SELECTOR);
const selectorNode = getBufferNode(context);
if (!selectorNode) {
throw new Error(
"No SelectorNode, impossible to continue selector parsing by ExtendedCss"
);
}
const lastSelectorNodeChild = getLast(selectorNode.children);
const hasExtended =
lastSelectorNodeChild &&
isExtendedSelectorNode(lastSelectorNodeChild) &&
context.standardPseudoBracketsStack.length === 0;
const supposedPseudoClassNode =
hasExtended && getFirst(lastSelectorNodeChild.children);
let newNeededBufferNode = selectorNode;
if (supposedPseudoClassNode) {
const lastExtendedPseudoName =
hasExtended && supposedPseudoClassNode.name;
const isLastExtendedNameRelative =
lastExtendedPseudoName && isRelativePseudoClass(lastExtendedPseudoName);
const isLastExtendedNameAbsolute =
lastExtendedPseudoName && isAbsolutePseudoClass(lastExtendedPseudoName);
const hasRelativeExtended =
isLastExtendedNameRelative &&
context.extendedPseudoBracketsStack.length > 0 &&
context.extendedPseudoBracketsStack.length ===
context.extendedPseudoNamesStack.length;
const hasAbsoluteExtended =
isLastExtendedNameAbsolute &&
lastExtendedPseudoName === getLast(context.extendedPseudoNamesStack);
if (hasRelativeExtended) {
context.pathToBufferNode.push(lastSelectorNodeChild);
newNeededBufferNode = supposedPseudoClassNode;
} else if (hasAbsoluteExtended) {
context.pathToBufferNode.push(lastSelectorNodeChild);
newNeededBufferNode = supposedPseudoClassNode;
}
} else if (hasExtended) {
newNeededBufferNode = selectorNode;
} else {
newNeededBufferNode = getContextLastRegularSelectorNode(context);
}
context.pathToBufferNode.push(newNeededBufferNode);
return newNeededBufferNode;
};
const handleNextTokenOnColon = (
context,
selector,
tokenValue,
nextTokenValue,
nextToNextTokenValue
) => {
if (!nextTokenValue) {
throw new Error(
`Invalid colon ':' at the end of selector: '${selector}'`
);
}
if (!isSupportedPseudoClass(nextTokenValue.toLowerCase())) {
if (nextTokenValue.toLowerCase() === REMOVE_PSEUDO_MARKER) {
throw new Error(`${REMOVE_ERROR_PREFIX.INVALID_REMOVE}: '${selector}'`);
}
updateBufferNode(context, tokenValue);
if (
nextToNextTokenValue &&
nextToNextTokenValue === BRACKET.PARENTHESES.LEFT &&
!context.isAttributeBracketsOpen
) {
context.standardPseudoNamesStack.push(nextTokenValue);
}
} else {
if (
HAS_PSEUDO_CLASS_MARKERS.includes(nextTokenValue) &&
context.standardPseudoNamesStack.length > 0
) {
throw new Error(
`Usage of :${nextTokenValue}() pseudo-class is not allowed inside regular pseudo: '${getLast(
context.standardPseudoNamesStack
)}'`
);
} else {
upToClosest(context, NODE.SELECTOR);
addAstNodeByType(context, NODE.EXTENDED_SELECTOR);
}
}
};
const IS_OR_NOT_PSEUDO_SELECTING_ROOT = `html ${ASTERISK}`;
const hasExtendedSelector = (selectorList) => {
return selectorList.children.some((selectorNode) => {
return selectorNode.children.some((selectorNodeChild) => {
return isExtendedSelectorNode(selectorNodeChild);
});
});
};
const selectorListOfRegularsToString = (selectorList) => {
const standardCssSelectors = selectorList.children.map((selectorNode) => {
const selectorOnlyChild = getNodeOnlyChild(
selectorNode,
"Ast Selector node should have RegularSelector node"
);
return getNodeValue(selectorOnlyChild);
});
return standardCssSelectors.join(`${COMMA}${SPACE}`);
};
const updateNodeChildren = (node, newChildren) => {
node.children = newChildren;
return node;
};
const shouldOptimizeExtendedSelector = (currExtendedSelectorNode) => {
if (currExtendedSelectorNode === null) {
return false;
}
const extendedPseudoClassNode = getPseudoClassNode(
currExtendedSelectorNode
);
const pseudoName = getNodeName(extendedPseudoClassNode);
if (isAbsolutePseudoClass(pseudoName)) {
return false;
}
const relativeSelectorList = getRelativeSelectorListNode(
extendedPseudoClassNode
);
const innerSelectorNodes = relativeSelectorList.children;
if (isOptimizationPseudoClass(pseudoName)) {
const areAllSelectorNodeChildrenRegular = innerSelectorNodes.every(
(selectorNode) => {
try {
const selectorOnlyChild = getNodeOnlyChild(
selectorNode,
"Selector node should have RegularSelector"
);
return isRegularSelectorNode(selectorOnlyChild);
} catch (e) {
return false;
}
}
);
if (areAllSelectorNodeChildrenRegular) {
return true;
}
}
return innerSelectorNodes.some((selectorNode) => {
return selectorNode.children.some((selectorNodeChild) => {
if (!isExtendedSelectorNode(selectorNodeChild)) {
return false;
}
return shouldOptimizeExtendedSelector(selectorNodeChild);
});
});
};
const getOptimizedExtendedSelector = (
currExtendedSelectorNode,
prevRegularSelectorNode
) => {
if (!currExtendedSelectorNode) {
return null;
}
const extendedPseudoClassNode = getPseudoClassNode(
currExtendedSelectorNode
);
const relativeSelectorList = getRelativeSelectorListNode(
extendedPseudoClassNode
);
const hasInnerExtendedSelector = hasExtendedSelector(relativeSelectorList);
if (!hasInnerExtendedSelector) {
const relativeSelectorListStr =
selectorListOfRegularsToString(relativeSelectorList);
const pseudoName = getNodeName(extendedPseudoClassNode);
const optimizedExtendedStr = `${COLON}${pseudoName}${BRACKET.PARENTHESES.LEFT}${relativeSelectorListStr}${BRACKET.PARENTHESES.RIGHT}`;
prevRegularSelectorNode.value = `${getNodeValue(
prevRegularSelectorNode
)}${optimizedExtendedStr}`;
return null;
}
const optimizedRelativeSelectorList =
optimizeSelectorListNode(relativeSelectorList);
const optimizedExtendedPseudoClassNode = updateNodeChildren(
extendedPseudoClassNode,
[optimizedRelativeSelectorList]
);
return updateNodeChildren(currExtendedSelectorNode, [
optimizedExtendedPseudoClassNode,
]);
};
const optimizeCurrentRegularSelector = (current, previous) => {
previous.value = `${getNodeValue(previous)}${SPACE}${getNodeValue(
current
)}`;
};
const optimizeSelectorNode = (selectorNode) => {
const rawSelectorNodeChildren = selectorNode.children;
const optimizedChildrenList = [];
let currentIndex = 0;
while (currentIndex < rawSelectorNodeChildren.length) {
const currentChild = getItemByIndex(
rawSelectorNodeChildren,
currentIndex,
"currentChild should be specified"
);
if (currentIndex === 0) {
optimizedChildrenList.push(currentChild);
} else {
const prevRegularChild = getLastRegularChild(optimizedChildrenList);
if (isExtendedSelectorNode(currentChild)) {
let optimizedExtendedSelector = null;
let isOptimizationNeeded =
shouldOptimizeExtendedSelector(currentChild);
optimizedExtendedSelector = currentChild;
while (isOptimizationNeeded) {
optimizedExtendedSelector = getOptimizedExtendedSelector(
optimizedExtendedSelector,
prevRegularChild
);
isOptimizationNeeded = shouldOptimizeExtendedSelector(
optimizedExtendedSelector
);
}
if (optimizedExtendedSelector !== null) {
optimizedChildrenList.push(optimizedExtendedSelector);
const optimizedPseudoClass = getPseudoClassNode(
optimizedExtendedSelector
);
const optimizedPseudoName = getNodeName(optimizedPseudoClass);
if (
getNodeValue(prevRegularChild) === ASTERISK &&
isOptimizationPseudoClass(optimizedPseudoName)
) {
prevRegularChild.value = IS_OR_NOT_PSEUDO_SELECTING_ROOT;
}
}
} else if (isRegularSelectorNode(currentChild)) {
const lastOptimizedChild = getLast(optimizedChildrenList) || null;
if (isRegularSelectorNode(lastOptimizedChild)) {
optimizeCurrentRegularSelector(currentChild, prevRegularChild);
}
}
}
currentIndex += 1;
}
return updateNodeChildren(selectorNode, optimizedChildrenList);
};
const optimizeSelectorListNode = (selectorListNode) => {
return updateNodeChildren(
selectorListNode,
selectorListNode.children.map((s) => optimizeSelectorNode(s))
);
};
const optimizeAst = (ast) => {
return optimizeSelectorListNode(ast);
};
const XPATH_PSEUDO_SELECTING_ROOT = "body";
const NO_WHITESPACE_ERROR_PREFIX =
"No white space is allowed before or after extended pseudo-class name in selector";
const parse = (selector) => {
const tokens = tokenizeSelector(selector);
const context = {
ast: null,
pathToBufferNode: [],
extendedPseudoNamesStack: [],
extendedPseudoBracketsStack: [],
standardPseudoNamesStack: [],
standardPseudoBracketsStack: [],
isAttributeBracketsOpen: false,
attributeBuffer: "",
isRegexpOpen: false,
shouldOptimize: false,
};
let i = 0;
while (i < tokens.length) {
const token = tokens[i];
if (!token) {
break;
}
const { type: tokenType, value: tokenValue } = token;
const nextToken = tokens[i + 1];
const nextTokenType =
nextToken === null || nextToken === void 0 ? void 0 : nextToken.type;
const nextTokenValue =
nextToken === null || nextToken === void 0 ? void 0 : nextToken.value;
const nextToNextToken = tokens[i + 2];
const nextToNextTokenValue =
nextToNextToken === null || nextToNextToken === void 0
? void 0
: nextToNextToken.value;
const previousToken = tokens[i - 1];
const prevTokenType =
previousToken === null || previousToken === void 0
? void 0
: previousToken.type;
const prevTokenValue =
previousToken === null || previousToken === void 0
? void 0
: previousToken.value;
const previousToPreviousToken = tokens[i - 2];
const prevToPrevTokenValue =
previousToPreviousToken === null || previousToPreviousToken === void 0
? void 0
: previousToPreviousToken.value;
let bufferNode = getBufferNode(context);
switch (tokenType) {
case TOKEN_TYPE.WORD:
if (bufferNode === null) {
initAst(context, tokenValue);
} else if (isSelectorListNode(bufferNode)) {
addAstNodeByType(context, NODE.SELECTOR);
addAstNodeByType(context, NODE.REGULAR_SELECTOR, tokenValue);
} else if (isRegularSelectorNode(bufferNode)) {
updateBufferNode(context, tokenValue);
} else if (isExtendedSelectorNode(bufferNode)) {
if (
isWhiteSpaceChar(nextTokenValue) &&
nextToNextTokenValue === BRACKET.PARENTHESES.LEFT
) {
throw new Error(`${NO_WHITESPACE_ERROR_PREFIX}: '${selector}'`);
}
const lowerCaseTokenValue = tokenValue.toLowerCase();
context.extendedPseudoNamesStack.push(lowerCaseTokenValue);
if (isAbsolutePseudoClass(lowerCaseTokenValue)) {
addAstNodeByType(
context,
NODE.ABSOLUTE_PSEUDO_CLASS,
lowerCaseTokenValue
);
} else {
addAstNodeByType(
context,
NODE.RELATIVE_PSEUDO_CLASS,
lowerCaseTokenValue
);
if (isOptimizationPseudoClass(lowerCaseTokenValue)) {
context.shouldOptimize = true;
}
}
} else if (isAbsolutePseudoClassNode(bufferNode)) {
updateBufferNode(context, tokenValue);
} else if (isRelativePseudoClassNode(bufferNode)) {
initRelativeSubtree(context, tokenValue);
}
break;
case TOKEN_TYPE.MARK:
switch (tokenValue) {
case COMMA:
if (
!bufferNode ||
(typeof bufferNode !== "undefined" && !nextTokenValue)
) {
throw new Error(`'${selector}' is not a valid selector`);
} else if (isRegularSelectorNode(bufferNode)) {
if (context.isAttributeBracketsOpen) {
updateBufferNode(context, tokenValue);
} else {
upToClosest(context, NODE.SELECTOR_LIST);
}
} else if (isAbsolutePseudoClassNode(bufferNode)) {
updateBufferNode(context, tokenValue);
} else if (isSelectorNode(bufferNode)) {
upToClosest(context, NODE.SELECTOR_LIST);
}
break;
case SPACE:
if (
isRegularSelectorNode(bufferNode) &&
!context.isAttributeBracketsOpen
) {
bufferNode = getUpdatedBufferNode(context);
}
if (isRegularSelectorNode(bufferNode)) {
if (
!context.isAttributeBracketsOpen &&
((prevTokenValue === COLON &&
nextTokenType === TOKEN_TYPE.WORD) ||
(prevTokenType === TOKEN_TYPE.WORD &&
nextTokenValue === BRACKET.PARENTHESES.LEFT))
) {
throw new Error(`'${selector}' is not a valid selector`);
}
if (
!nextTokenValue ||
doesRegularContinueAfterSpace(
nextTokenType,
nextTokenValue
) ||
context.isAttributeBracketsOpen
) {
updateBufferNode(context, tokenValue);
}
}
if (isAbsolutePseudoClassNode(bufferNode)) {
updateBufferNode(context, tokenValue);
}
if (isRelativePseudoClassNode(bufferNode)) {
initRelativeSubtree(context);
}
if (isSelectorNode(bufferNode)) {
if (
doesRegularContinueAfterSpace(nextTokenType, nextTokenValue)
) {
addAstNodeByType(context, NODE.REGULAR_SELECTOR);
}
}
break;
case DESCENDANT_COMBINATOR:
case CHILD_COMBINATOR:
case NEXT_SIBLING_COMBINATOR:
case SUBSEQUENT_SIBLING_COMBINATOR:
case SEMICOLON:
case SLASH:
case BACKSLASH:
case SINGLE_QUOTE:
case DOUBLE_QUOTE:
case CARET:
case DOLLAR_SIGN:
case BRACKET.CURLY.LEFT:
case BRACKET.CURLY.RIGHT:
case ASTERISK:
case ID_MARKER:
case CLASS_MARKER:
case BRACKET.SQUARE.LEFT:
if (COMBINATORS.includes(tokenValue)) {
if (bufferNode === null) {
throw new Error(`'${selector}' is not a valid selector`);
}
bufferNode = getUpdatedBufferNode(context);
}
if (bufferNode === null) {
initAst(context, tokenValue);
if (isAttributeOpening(tokenValue, prevTokenValue)) {
context.isAttributeBracketsOpen = true;
}
} else if (isRegularSelectorNode(bufferNode)) {
if (
tokenValue === BRACKET.CURLY.LEFT &&
!(context.isAttributeBracketsOpen || context.isRegexpOpen)
) {
throw new Error(`'${selector}' is not a valid selector`);
}
updateBufferNode(context, tokenValue);
if (isAttributeOpening(tokenValue, prevTokenValue)) {
context.isAttributeBracketsOpen = true;
}
} else if (isAbsolutePseudoClassNode(bufferNode)) {
updateBufferNode(context, tokenValue);
if (
tokenValue === SLASH &&
context.extendedPseudoNamesStack.length > 0
) {
if (
prevTokenValue === SLASH &&
prevToPrevTokenValue === BACKSLASH
) {
context.isRegexpOpen = false;
} else if (prevTokenValue && prevTokenValue !== BACKSLASH) {
if (
isRegexpOpening(
context,
prevTokenValue,
getNodeValue(bufferNode)
)
) {
context.isRegexpOpen = !context.isRegexpOpen;
} else {
context.isRegexpOpen = false;
}
}
}
} else if (isRelativePseudoClassNode(bufferNode)) {
initRelativeSubtree(context, tokenValue);
if (isAttributeOpening(tokenValue, prevTokenValue)) {
context.isAttributeBracketsOpen = true;
}
} else if (isSelectorNode(bufferNode)) {
if (COMBINATORS.includes(tokenValue)) {
addAstNodeByType(context, NODE.REGULAR_SELECTOR, tokenValue);
} else if (!context.isRegexpOpen) {
bufferNode = getContextLastRegularSelectorNode(context);
updateBufferNode(context, tokenValue);
if (isAttributeOpening(tokenValue, prevTokenValue)) {
context.isAttributeBracketsOpen = true;
}
}
} else if (isSelectorListNode(bufferNode)) {
addAstNodeByType(context, NODE.SELECTOR);
addAstNodeByType(context, NODE.REGULAR_SELECTOR, tokenValue);
if (isAttributeOpening(tokenValue, prevTokenValue)) {
context.isAttributeBracketsOpen = true;
}
}
break;
case BRACKET.SQUARE.RIGHT:
if (isRegularSelectorNode(bufferNode)) {
if (
!context.isAttributeBracketsOpen &&
prevTokenValue !== BACKSLASH
) {
throw new Error(
`'${selector}' is not a valid selector due to '${tokenValue}' after '${getNodeValue(
bufferNode
)}'`
);
}
if (isAttributeClosing(context)) {
context.isAttributeBracketsOpen = false;
context.attributeBuffer = "";
}
updateBufferNode(context, tokenValue);
}
if (isAbsolutePseudoClassNode(bufferNode)) {
updateBufferNode(context, tokenValue);
}
break;
case COLON:
if (
isWhiteSpaceChar(nextTokenValue) &&
nextToNextTokenValue &&
SUPPORTED_PSEUDO_CLASSES.includes(nextToNextTokenValue)
) {
throw new Error(`${NO_WHITESPACE_ERROR_PREFIX}: '${selector}'`);
}
if (bufferNode === null) {
if (nextTokenValue === XPATH_PSEUDO_CLASS_MARKER) {
initAst(context, XPATH_PSEUDO_SELECTING_ROOT);
} else if (
nextTokenValue === UPWARD_PSEUDO_CLASS_MARKER ||
nextTokenValue === NTH_ANCESTOR_PSEUDO_CLASS_MARKER
) {
throw new Error(
`${NO_SELECTOR_ERROR_PREFIX} before :${nextTokenValue}() pseudo-class`
);
} else {
initAst(context, ASTERISK);
}
bufferNode = getBufferNode(context);
}
if (isSelectorListNode(bufferNode)) {
addAstNodeByType(context, NODE.SELECTOR);
addAstNodeByType(context, NODE.REGULAR_SELECTOR);
bufferNode = getBufferNode(context);
}
if (isRegularSelectorNode(bufferNode)) {
if (
(prevTokenValue && COMBINATORS.includes(prevTokenValue)) ||
prevTokenValue === COMMA
) {
updateBufferNode(context, ASTERISK);
}
handleNextTokenOnColon(
context,
selector,
tokenValue,
nextTokenValue,
nextToNextTokenValue
);
}
if (isSelectorNode(bufferNode)) {
if (!nextTokenValue) {
throw new Error(
`Invalid colon ':' at the end of selector: '${selector}'`
);
}
if (isSupportedPseudoClass(nextTokenValue.toLowerCase())) {
addAstNodeByType(context, NODE.EXTENDED_SELECTOR);
} else if (
nextTokenValue.toLowerCase() === REMOVE_PSEUDO_MARKER
) {
throw new Error(
`${REMOVE_ERROR_PREFIX.INVALID_REMOVE}: '${selector}'`
);
} else {
bufferNode = getContextLastRegularSelectorNode(context);
handleNextTokenOnColon(
context,
selector,
tokenValue,
nextTokenType,
nextToNextTokenValue
);
}
}
if (isAbsolutePseudoClassNode(bufferNode)) {
if (
getNodeName(bufferNode) === XPATH_PSEUDO_CLASS_MARKER &&
nextTokenValue &&
SUPPORTED_PSEUDO_CLASSES.includes(nextTokenValue) &&
nextToNextTokenValue === BRACKET.PARENTHESES.LEFT
) {
throw new Error(
`:xpath() pseudo-class should be the last in selector: '${selector}'`
);
}
updateBufferNode(context, tokenValue);
}
if (isRelativePseudoClassNode(bufferNode)) {
if (!nextTokenValue) {
throw new Error(
`Invalid pseudo-class arg at the end of selector: '${selector}'`
);
}
initRelativeSubtree(context, ASTERISK);
if (!isSupportedPseudoClass(nextTokenValue.toLowerCase())) {
updateBufferNode(context, tokenValue);
if (nextToNextTokenValue === BRACKET.PARENTHESES.LEFT) {
context.standardPseudoNamesStack.push(nextTokenValue);
}
} else {
upToClosest(context, NODE.SELECTOR);
addAstNodeByType(context, NODE.EXTENDED_SELECTOR);
}
}
break;
case BRACKET.PARENTHESES.LEFT:
if (isAbsolutePseudoClassNode(bufferNode)) {
if (
getNodeName(bufferNode) !== XPATH_PSEUDO_CLASS_MARKER &&
context.isRegexpOpen
) {
updateBufferNode(context, tokenValue);
} else {
context.extendedPseudoBracketsStack.push(tokenValue);
if (
context.extendedPseudoBracketsStack.length >
context.extendedPseudoNamesStack.length
) {
updateBufferNode(context, tokenValue);
}
}
}
if (isRegularSelectorNode(bufferNode)) {
if (context.standardPseudoNamesStack.length > 0) {
updateBufferNode(context, tokenValue);
context.standardPseudoBracketsStack.push(tokenValue);
}
if (context.isAttributeBracketsOpen) {
updateBufferNode(context, tokenValue);
}
}
if (isRelativePseudoClassNode(bufferNode)) {
context.extendedPseudoBracketsStack.push(tokenValue);
}
break;
case BRACKET.PARENTHESES.RIGHT:
if (isAbsolutePseudoClassNode(bufferNode)) {
if (
getNodeName(bufferNode) !== XPATH_PSEUDO_CLASS_MARKER &&
context.isRegexpOpen
) {
updateBufferNode(context, tokenValue);
} else {
context.extendedPseudoBracketsStack.pop();
if (getNodeName(bufferNode) !== XPATH_PSEUDO_CLASS_MARKER) {
context.extendedPseudoNamesStack.pop();
if (
context.extendedPseudoBracketsStack.length >
context.extendedPseudoNamesStack.length
) {
updateBufferNode(context, tokenValue);
} else if (
context.extendedPseudoBracketsStack.length >= 0 &&
context.extendedPseudoNamesStack.length >= 0
) {
upToClosest(context, NODE.SELECTOR);
}
} else {
if (
context.extendedPseudoBracketsStack.length <
context.extendedPseudoNamesStack.length
) {
context.extendedPseudoNamesStack.pop();
} else {
updateBufferNode(context, tokenValue);
}
}
}
}
if (isRegularSelectorNode(bufferNode)) {
if (context.isAttributeBracketsOpen) {
updateBufferNode(context, tokenValue);
} else if (
context.standardPseudoNamesStack.length > 0 &&
context.standardPseudoBracketsStack.length > 0
) {
updateBufferNode(context, tokenValue);
context.standardPseudoBracketsStack.pop();
const lastStandardPseudo =
context.standardPseudoNamesStack.pop();
if (!lastStandardPseudo) {
throw new Error(
`Parsing error. Invalid selector: ${selector}`
);
}
if (
Object.values(REGULAR_PSEUDO_ELEMENTS).includes(
lastStandardPseudo
) &&
nextTokenValue === COLON &&
nextToNextTokenValue &&
HAS_PSEUDO_CLASS_MARKERS.includes(nextToNextTokenValue)
) {
throw new Error(
`Usage of :${nextToNextTokenValue}() pseudo-class is not allowed after any regular pseudo-element: '${lastStandardPseudo}'`
);
}
} else {
context.extendedPseudoBracketsStack.pop();
context.extendedPseudoNamesStack.pop();
upToClosest(context, NODE.EXTENDED_SELECTOR);
upToClosest(context, NODE.SELECTOR);
}
}
if (isSelectorNode(bufferNode)) {
context.extendedPseudoBracketsStack.pop();
context.extendedPseudoNamesStack.pop();
upToClosest(context, NODE.EXTENDED_SELECTOR);
upToClosest(context, NODE.SELECTOR);
}
if (isRelativePseudoClassNode(bufferNode)) {
if (
context.extendedPseudoNamesStack.length > 0 &&
context.extendedPseudoBracketsStack.length > 0
) {
context.extendedPseudoBracketsStack.pop();
context.extendedPseudoNamesStack.pop();
}
}
break;
case LINE_FEED:
case FORM_FEED:
case CARRIAGE_RETURN:
throw new Error(`'${selector}' is not a valid selector`);
case TAB:
if (
isRegularSelectorNode(bufferNode) &&
context.isAttributeBracketsOpen
) {
updateBufferNode(context, tokenValue);
} else {
throw new Error(`'${selector}' is not a valid selector`);
}
}
break;
default:
throw new Error(`Unknown type of token: '${tokenValue}'`);
}
i += 1;
}
if (context.ast === null) {
throw new Error(`'${selector}' is not a valid selector`);
}
if (
context.extendedPseudoNamesStack.length > 0 ||
context.extendedPseudoBracketsStack.length > 0
) {
throw new Error(
`Unbalanced brackets for extended pseudo-class: '${getLast(
context.extendedPseudoNamesStack
)}'`
);
}
if (context.isAttributeBracketsOpen) {
throw new Error(
`Unbalanced attribute brackets in selector: '${selector}'`
);
}
return context.shouldOptimize ? optimizeAst(context.ast) : context.ast;
};
const natives = {
MutationObserver: window.MutationObserver || window.WebKitMutationObserver,
};
class NativeTextContent {
constructor() {
this.nativeNode = window.Node || Node;
}
setGetter() {
var _Object$getOwnPropert;
this.getter =
(_Object$getOwnPropert = Object.getOwnPropertyDescriptor(
this.nativeNode.prototype,
"textContent"
)) === null || _Object$getOwnPropert === void 0
? void 0
: _Object$getOwnPropert.get;
}
}
const nativeTextContent = new NativeTextContent();
const getNodeTextContent = (domElement) => {
if (nativeTextContent.getter) {
return nativeTextContent.getter.apply(domElement);
}
return domElement.textContent || "";
};
const getElementSelectorDesc = (element) => {
let selectorText = element.tagName.toLowerCase();
selectorText += Array.from(element.attributes)
.map((attr) => {
return `[${attr.name}="${element.getAttribute(attr.name)}"]`;
})
.join("");
return selectorText;
};
const getElementSelectorPath = (inputEl) => {
if (!(inputEl instanceof Element)) {
throw new Error("Function received argument with wrong type");
}
let el;
el = inputEl;
const path = [];
while (!!el && el.nodeType === Node.ELEMENT_NODE) {
let selector = el.nodeName.toLowerCase();
if (el.id && typeof el.id === "string") {
selector += `#${el.id}`;
path.unshift(selector);
break;
}
let sibling = el;
let nth = 1;
while (sibling.previousElementSibling) {
sibling = sibling.previousElementSibling;
if (
sibling.nodeType === Node.ELEMENT_NODE &&
sibling.nodeName.toLowerCase() === selector
) {
nth += 1;
}
}
if (nth !== 1) {
selector += `:nth-of-type(${nth})`;
}
path.unshift(selector);
el = el.parentElement;
}
return path.join(" > ");
};
const isHtmlElement = (element) => {
return element instanceof HTMLElement;
};
const getParent = (element, errorMessage) => {
const { parentElement } = element;
if (!parentElement) {
throw new Error(errorMessage || "Element does no have parent element");
}
return parentElement;
};
const isErrorWithMessage = (error) => {
return (
typeof error === "object" &&
error !== null &&
"message" in error &&
typeof error.message === "string"
);
};
const toErrorWithMessage = (maybeError) => {
if (isErrorWithMessage(maybeError)) {
return maybeError;
}
try {
return new Error(JSON.stringify(maybeError));
} catch {
return new Error(String(maybeError));
}
};
const getErrorMessage = (error) => {
return toErrorWithMessage(error).message;
};
const logger = {
error:
typeof console !== "undefined" && console.error && console.error.bind
? console.error.bind(window.console)
: console.error,
info:
typeof console !== "undefined" && console.info && console.info.bind
? console.info.bind(window.console)
: console.info,
};
const removeSuffix = (str, suffix) => {
const index = str.indexOf(suffix, str.length - suffix.length);
if (index >= 0) {
return str.substring(0, index);
}
return str;
};
const replaceAll = (input, pattern, replacement) => {
if (!input) {
return input;
}
return input.split(pattern).join(replacement);
};
const toRegExp = (str) => {
if (str.startsWith(SLASH) && str.endsWith(SLASH)) {
return new RegExp(str.slice(1, -1));
}
const escaped = str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
return new RegExp(escaped);
};
const convertTypeIntoString = (value) => {
let output;
switch (value) {
case undefined:
output = "undefined";
break;
case null:
output = "null";
break;
default:
output = value.toString();
}
return output;
};
const convertTypeFromString = (value) => {
const numValue = Number(value);
let output;
if (!Number.isNaN(numValue)) {
output = numValue;
} else {
switch (value) {
case "undefined":
output = undefined;
break;
case "null":
output = null;
break;
case "true":
output = true;
break;
case "false":
output = false;
break;
default:
output = value;
}
}
return output;
};
const SAFARI_USER_AGENT_REGEXP = /\sVersion\/(\d{2}\.\d)(.+\s|\s)(Safari)\//;
const isSafariBrowser = SAFARI_USER_AGENT_REGEXP.test(navigator.userAgent);
const isUserAgentSupported = (userAgent) => {
if (userAgent.includes("MSIE") || userAgent.includes("Trident/")) {
return false;
}
return true;
};
const isBrowserSupported = () => {
return isUserAgentSupported(navigator.userAgent);
};
const CSS_PROPERTY = {
BACKGROUND: "background",
BACKGROUND_IMAGE: "background-image",
CONTENT: "content",
OPACITY: "opacity",
};
const REGEXP_ANY_SYMBOL = ".*";
const REGEXP_WITH_FLAGS_REGEXP = /^\s*\/.*\/[gmisuy]*\s*$/;
const removeContentQuotes = (str) => {
return str.replace(/^(["'])([\s\S]*)\1$/, "$2");
};
const addUrlPropertyQuotes = (str) => {
if (!str.includes('url("')) {
const re = /url\((.*?)\)/g;
return str.replace(re, 'url("$1")');
}
return str;
};
const addUrlQuotesTo = {
regexpArg: (str) => {
const re = /(\^)?url(\\)?\\\((\w|\[\w)/g;
return str.replace(re, '$1url$2\\(\\"?$3');
},
noneRegexpArg: addUrlPropertyQuotes,
};
const escapeRegExp = (str) => {
const specials = [
".",
"+",
"?",
"$",
"{",
"}",
"(",
")",
"[",
"]",
"\\",
"/",
];
const specialsRegex = new RegExp(`[${specials.join("\\")}]`, "g");
return str.replace(specialsRegex, "\\$&");
};
const convertStyleMatchValueToRegexp = (rawValue) => {
let value;
if (rawValue.startsWith(SLASH) && rawValue.endsWith(SLASH)) {
value = addUrlQuotesTo.regexpArg(rawValue);
value = value.slice(1, -1);
} else {
value = addUrlQuotesTo.noneRegexpArg(rawValue);
value = value.replace(/\\([\\()[\]"])/g, "$1");
value = escapeRegExp(value);
value = replaceAll(value, ASTERISK, REGEXP_ANY_SYMBOL);
}
return new RegExp(value, "i");
};
const normalizePropertyValue = (propertyName, propertyValue) => {
let normalized = "";
switch (propertyName) {
case CSS_PROPERTY.BACKGROUND:
case CSS_PROPERTY.BACKGROUND_IMAGE:
normalized = addUrlPropertyQuotes(propertyValue);
break;
case CSS_PROPERTY.CONTENT:
normalized = removeContentQuotes(propertyValue);
break;
case CSS_PROPERTY.OPACITY:
normalized = isSafariBrowser
? (Math.round(parseFloat(propertyValue) * 100) / 100).toString()
: propertyValue;
break;
default:
normalized = propertyValue;
}
return normalized;
};
const getComputedStylePropertyValue = (
domElement,
propertyName,
regularPseudoElement
) => {
const style = window.getComputedStyle(domElement, regularPseudoElement);
const propertyValue = style.getPropertyValue(propertyName);
return normalizePropertyValue(propertyName, propertyValue);
};
const getPseudoArgData = (pseudoArg, separator) => {
const index = pseudoArg.indexOf(separator);
let name;
let value;
if (index > -1) {
name = pseudoArg.substring(0, index).trim();
value = pseudoArg.substring(index + 1).trim();
} else {
name = pseudoArg;
}
return {
name,
value,
};
};
const parseStyleMatchArg = (pseudoName, rawArg) => {
const { name, value } = getPseudoArgData(rawArg, COMMA);
let regularPseudoElement = name;
let styleMatchArg = value;
if (!Object.values(REGULAR_PSEUDO_ELEMENTS).includes(name)) {
regularPseudoElement = null;
styleMatchArg = rawArg;
}
if (!styleMatchArg) {
throw new Error(
`Required style property argument part is missing in :${pseudoName}() arg: '${rawArg}'`
);
}
if (regularPseudoElement) {
regularPseudoElement = `${COLON}${COLON}${regularPseudoElement}`;
}
return {
regularPseudoElement,
styleMatchArg,
};
};
const isStyleMatched = (argsData) => {
const { pseudoName, pseudoArg, domElement } = argsData;
const { regularPseudoElement, styleMatchArg } = parseStyleMatchArg(
pseudoName,
pseudoArg
);
const { name: matchName, value: matchValue } = getPseudoArgData(
styleMatchArg,
COLON
);
if (!matchName || !matchValue) {
throw new Error(
`Required property name or value is missing in :${pseudoName}() arg: '${styleMatchArg}'`
);
}
let valueRegexp;
try {
valueRegexp = convertStyleMatchValueToRegexp(matchValue);
} catch (e) {
logger.error(getErrorMessage(e));
throw new Error(
`Invalid argument of :${pseudoName}() pseudo-class: '${styleMatchArg}'`
);
}
const value = getComputedStylePropertyValue(
domElement,
matchName,
regularPseudoElement
);
return valueRegexp && valueRegexp.test(value);
};
const validateStrMatcherArg = (arg) => {
if (arg.includes(SLASH)) {
return false;
}
if (!/^[\w-]+$/.test(arg)) {
return false;
}
return true;
};
const getValidMatcherArg = function (rawArg) {
let isWildcardAllowed =
arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
let arg;
if (
rawArg.length > 1 &&
rawArg.startsWith(DOUBLE_QUOTE) &&
rawArg.endsWith(DOUBLE_QUOTE)
) {
rawArg = rawArg.slice(1, -1);
}
if (rawArg === "") {
throw new Error("Argument should be specified. Empty arg is invalid.");
}
if (rawArg.startsWith(SLASH) && rawArg.endsWith(SLASH)) {
if (rawArg.length > 2) {
arg = toRegExp(rawArg);
} else {
throw new Error(`Invalid regexp: '${rawArg}'`);
}
} else if (rawArg.includes(ASTERISK)) {
if (rawArg === ASTERISK && !isWildcardAllowed) {
throw new Error(`Argument should be more specific than ${rawArg}`);
}
arg = replaceAll(rawArg, ASTERISK, REGEXP_ANY_SYMBOL);
arg = new RegExp(arg);
} else {
if (!validateStrMatcherArg(rawArg)) {
throw new Error(`Invalid argument: '${rawArg}'`);
}
arg = rawArg;
}
return arg;
};
const getRawMatchingData = (pseudoName, pseudoArg) => {
const { name: rawName, value: rawValue } = getPseudoArgData(
pseudoArg,
EQUAL_SIGN
);
if (!rawName) {
throw new Error(
`Required attribute name is missing in :${pseudoName} arg: ${pseudoArg}`
);
}
return {
rawName,
rawValue,
};
};
const isAttributeMatched = (argsData) => {
const { pseudoName, pseudoArg, domElement } = argsData;
const elementAttributes = domElement.attributes;
if (elementAttributes.length === 0) {
return false;
}
const { rawName: rawAttrName, rawValue: rawAttrValue } = getRawMatchingData(
pseudoName,
pseudoArg
);
let attrNameMatch;
try {
attrNameMatch = getValidMatcherArg(rawAttrName);
} catch (e) {
const errorMessage = getErrorMessage(e);
logger.error(errorMessage);
throw new SyntaxError(errorMessage);
}
let isMatched = false;
let i = 0;
while (i < elementAttributes.length && !isMatched) {
const attr = elementAttributes[i];
if (!attr) {
break;
}
const isNameMatched =
attrNameMatch instanceof RegExp
? attrNameMatch.test(attr.name)
: attrNameMatch === attr.name;
if (!rawAttrValue) {
isMatched = isNameMatched;
} else {
let attrValueMatch;
try {
attrValueMatch = getValidMatcherArg(rawAttrValue);
} catch (e) {
const errorMessage = getErrorMessage(e);
logger.error(errorMessage);
throw new SyntaxError(errorMessage);
}
const isValueMatched =
attrValueMatch instanceof RegExp
? attrValueMatch.test(attr.value)
: attrValueMatch === attr.value;
isMatched = isNameMatched && isValueMatched;
}
i += 1;
}
return isMatched;
};
const parseRawPropChain = (input) => {
if (
input.length > 1 &&
input.startsWith(DOUBLE_QUOTE) &&
input.endsWith(DOUBLE_QUOTE)
) {
input = input.slice(1, -1);
}
const chainChunks = input.split(DOT);
const chainPatterns = [];
let patternBuffer = "";
let isRegexpPattern = false;
let i = 0;
while (i < chainChunks.length) {
const chunk = getItemByIndex(
chainChunks,
i,
`Invalid pseudo-class arg: '${input}'`
);
if (
chunk.startsWith(SLASH) &&
chunk.endsWith(SLASH) &&
chunk.length > 2
) {
chainPatterns.push(chunk);
} else if (chunk.startsWith(SLASH)) {
isRegexpPattern = true;
patternBuffer += chunk;
} else if (chunk.endsWith(SLASH)) {
isRegexpPattern = false;
patternBuffer += `.${chunk}`;
chainPatterns.push(patternBuffer);
patternBuffer = "";
} else {
if (isRegexpPattern) {
patternBuffer += chunk;
} else {
chainPatterns.push(chunk);
}
}
i += 1;
}
if (patternBuffer.length > 0) {
throw new Error(`Invalid regexp property pattern '${input}'`);
}
const chainMatchPatterns = chainPatterns.map((pattern) => {
if (pattern.length === 0) {
throw new Error(
`Empty pattern '${pattern}' is invalid in chain '${input}'`
);
}
let validPattern;
try {
validPattern = getValidMatcherArg(pattern, true);
} catch (e) {
logger.error(getErrorMessage(e));
throw new Error(
`Invalid property pattern '${pattern}' in property chain '${input}'`
);
}
return validPattern;
});
return chainMatchPatterns;
};
const filterRootsByRegexpChain = function (base, chain) {
let output =
arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
const tempProp = getFirst(chain);
if (chain.length === 1) {
let key;
for (key in base) {
if (tempProp instanceof RegExp) {
if (tempProp.test(key)) {
output.push({
base,
prop: key,
value: base[key],
});
}
} else if (tempProp === key) {
output.push({
base,
prop: tempProp,
value: base[key],
});
}
}
return output;
}
if (tempProp instanceof RegExp) {
const nextProp = chain.slice(1);
const baseKeys = [];
for (const key in base) {
if (tempProp.test(key)) {
baseKeys.push(key);
}
}
baseKeys.forEach((key) => {
var _Object$getOwnPropert;
const item =
(_Object$getOwnPropert = Object.getOwnPropertyDescriptor(
base,
key
)) === null || _Object$getOwnPropert === void 0
? void 0
: _Object$getOwnPropert.value;
filterRootsByRegexpChain(item, nextProp, output);
});
}
if (base && typeof tempProp === "string") {
var _Object$getOwnPropert2;
const nextBase =
(_Object$getOwnPropert2 = Object.getOwnPropertyDescriptor(
base,
tempProp
)) === null || _Object$getOwnPropert2 === void 0
? void 0
: _Object$getOwnPropert2.value;
chain = chain.slice(1);
if (nextBase !== undefined) {
filterRootsByRegexpChain(nextBase, chain, output);
}
}
return output;
};
const isPropertyMatched = (argsData) => {
const { pseudoName, pseudoArg, domElement } = argsData;
const { rawName: rawPropertyName, rawValue: rawPropertyValue } =
getRawMatchingData(pseudoName, pseudoArg);
if (rawPropertyName.includes("\\/") || rawPropertyName.includes("\\.")) {
throw new Error(
`Invalid :${pseudoName} name pattern: ${rawPropertyName}`
);
}
let propChainMatches;
try {
propChainMatches = parseRawPropChain(rawPropertyName);
} catch (e) {
const errorMessage = getErrorMessage(e);
logger.error(errorMessage);
throw new SyntaxError(errorMessage);
}
const ownerObjArr = filterRootsByRegexpChain(domElement, propChainMatches);
if (ownerObjArr.length === 0) {
return false;
}
let isMatched = true;
if (rawPropertyValue) {
let propValueMatch;
try {
propValueMatch = getValidMatcherArg(rawPropertyValue);
} catch (e) {
const errorMessage = getErrorMessage(e);
logger.error(errorMessage);
throw new SyntaxError(errorMessage);
}
if (propValueMatch) {
for (let i = 0; i < ownerObjArr.length; i += 1) {
var _ownerObjArr$i;
const realValue =
(_ownerObjArr$i = ownerObjArr[i]) === null ||
_ownerObjArr$i === void 0
? void 0
: _ownerObjArr$i.value;
if (propValueMatch instanceof RegExp) {
isMatched = propValueMatch.test(convertTypeIntoString(realValue));
} else {
if (realValue === "null" || realValue === "undefined") {
isMatched = propValueMatch === realValue;
break;
}
isMatched = convertTypeFromString(propValueMatch) === realValue;
}
if (isMatched) {
break;
}
}
}
}
return isMatched;
};
const isTextMatched = (argsData) => {
const { pseudoName, pseudoArg, domElement } = argsData;
const textContent = getNodeTextContent(domElement);
let isTextContentMatched;
let pseudoArgToMatch = pseudoArg;
if (
pseudoArgToMatch.startsWith(SLASH) &&
REGEXP_WITH_FLAGS_REGEXP.test(pseudoArgToMatch)
) {
const flagsIndex = pseudoArgToMatch.lastIndexOf("/");
const flagsStr = pseudoArgToMatch.substring(flagsIndex + 1);
pseudoArgToMatch = pseudoArgToMatch
.substring(0, flagsIndex + 1)
.slice(1, -1)
.replace(/\\([\\"])/g, "$1");
let regex;
try {
regex = new RegExp(pseudoArgToMatch, flagsStr);
} catch (e) {
throw new Error(
`Invalid argument of :${pseudoName}() pseudo-class: ${pseudoArg}`
);
}
isTextContentMatched = regex.test(textContent);
} else {
pseudoArgToMatch = pseudoArgToMatch.replace(/\\([\\()[\]"])/g, "$1");
isTextContentMatched = textContent.includes(pseudoArgToMatch);
}
return isTextContentMatched;
};
const getValidNumberAncestorArg = (rawArg, pseudoName) => {
const deep = Number(rawArg);
if (Number.isNaN(deep) || deep < 1 || deep >= 256) {
throw new Error(
`Invalid argument of :${pseudoName} pseudo-class: '${rawArg}'`
);
}
return deep;
};
const getNthAncestor = (domElement, nth, pseudoName) => {
let ancestor = null;
let i = 0;
while (i < nth) {
ancestor = domElement.parentElement;
if (!ancestor) {
throw new Error(
`Out of DOM: Argument of :${pseudoName}() pseudo-class is too big — '${nth}'.`
);
}
domElement = ancestor;
i += 1;
}
return ancestor;
};
const validateStandardSelector = (selector) => {
let isValid;
try {
document.querySelectorAll(selector);
isValid = true;
} catch (e) {
isValid = false;
}
return isValid;
};
const matcherWrapper = (callback, argsData, errorMessage) => {
let isMatched;
try {
isMatched = callback(argsData);
} catch (e) {
logger.error(getErrorMessage(e));
throw new Error(errorMessage);
}
return isMatched;
};
const getAbsolutePseudoError = (propDesc, pseudoName, pseudoArg) => {
return `${MATCHING_ELEMENT_ERROR_PREFIX} ${propDesc}, may be invalid :${pseudoName}() pseudo-class arg: '${pseudoArg}'`;
};
const isMatchedByAbsolutePseudo = (domElement, pseudoName, pseudoArg) => {
let argsData;
let errorMessage;
let callback;
switch (pseudoName) {
case CONTAINS_PSEUDO:
case HAS_TEXT_PSEUDO:
case ABP_CONTAINS_PSEUDO:
callback = isTextMatched;
argsData = {
pseudoName,
pseudoArg,
domElement,
};
errorMessage = getAbsolutePseudoError(
"text content",
pseudoName,
pseudoArg
);
break;
case MATCHES_CSS_PSEUDO:
case MATCHES_CSS_AFTER_PSEUDO:
case MATCHES_CSS_BEFORE_PSEUDO:
callback = isStyleMatched;
argsData = {
pseudoName,
pseudoArg,
domElement,
};
errorMessage = getAbsolutePseudoError("style", pseudoName, pseudoArg);
break;
case MATCHES_ATTR_PSEUDO_CLASS_MARKER:
callback = isAttributeMatched;
argsData = {
domElement,
pseudoName,
pseudoArg,
};
errorMessage = getAbsolutePseudoError(
"attributes",
pseudoName,
pseudoArg
);
break;
case MATCHES_PROPERTY_PSEUDO_CLASS_MARKER:
callback = isPropertyMatched;
argsData = {
domElement,
pseudoName,
pseudoArg,
};
errorMessage = getAbsolutePseudoError(
"properties",
pseudoName,
pseudoArg
);
break;
default:
throw new Error(`Unknown absolute pseudo-class :${pseudoName}()`);
}
return matcherWrapper(callback, argsData, errorMessage);
};
const findByAbsolutePseudoPseudo = {
nthAncestor: (domElements, rawPseudoArg, pseudoName) => {
const deep = getValidNumberAncestorArg(rawPseudoArg, pseudoName);
const ancestors = domElements
.map((domElement) => {
let ancestor = null;
try {
ancestor = getNthAncestor(domElement, deep, pseudoName);
} catch (e) {
logger.error(getErrorMessage(e));
}
return ancestor;
})
.filter(isHtmlElement);
return ancestors;
},
xpath: (domElements, rawPseudoArg) => {
const foundElements = domElements.map((domElement) => {
const result = [];
let xpathResult;
try {
xpathResult = document.evaluate(
rawPseudoArg,
domElement,
null,
window.XPathResult.UNORDERED_NODE_ITERATOR_TYPE,
null
);
} catch (e) {
logger.error(getErrorMessage(e));
throw new Error(
`Invalid argument of :xpath() pseudo-class: '${rawPseudoArg}'`
);
}
let node = xpathResult.iterateNext();
while (node) {
if (isHtmlElement(node)) {
result.push(node);
}
node = xpathResult.iterateNext();
}
return result;
});
return flatten(foundElements);
},
upward: (domElements, rawPseudoArg) => {
if (!validateStandardSelector(rawPseudoArg)) {
throw new Error(
`Invalid argument of :upward pseudo-class: '${rawPseudoArg}'`
);
}
const closestAncestors = domElements
.map((domElement) => {
const parent = domElement.parentElement;
if (!parent) {
return null;
}
return parent.closest(rawPseudoArg);
})
.filter(isHtmlElement);
return closestAncestors;
},
};
const scopeDirectChildren = `${SCOPE_CSS_PSEUDO_CLASS}${CHILD_COMBINATOR}`;
const scopeAnyChildren = `${SCOPE_CSS_PSEUDO_CLASS}${DESCENDANT_COMBINATOR}`;
const getFirstInnerRegularChild = (selectorNode, pseudoName) => {
return getFirstRegularChild(
selectorNode.children,
`RegularSelector is missing for :${pseudoName}() pseudo-class`
);
};
const hasRelativesBySelectorList = (argsData) => {
const { element, relativeSelectorList, pseudoName } = argsData;
return relativeSelectorList.children.every((selectorNode) => {
const relativeRegularSelector = getFirstInnerRegularChild(
selectorNode,
pseudoName
);
let specifiedSelector = "";
let rootElement = null;
const regularSelector = getNodeValue(relativeRegularSelector);
if (
regularSelector.startsWith(NEXT_SIBLING_COMBINATOR) ||
regularSelector.startsWith(SUBSEQUENT_SIBLING_COMBINATOR)
) {
rootElement = element.parentElement;
const elementSelectorText = getElementSelectorDesc(element);
specifiedSelector = `${scopeDirectChildren}${elementSelectorText}${regularSelector}`;
} else if (regularSelector === ASTERISK) {
rootElement = element;
specifiedSelector = `${scopeAnyChildren}${ASTERISK}`;
} else {
specifiedSelector = `${scopeAnyChildren}${regularSelector}`;
rootElement = element;
}
if (!rootElement) {
throw new Error(
`Selection by :${pseudoName}() pseudo-class is not possible`
);
}
let relativeElements;
try {
relativeElements = getElementsForSelectorNode(
selectorNode,
rootElement,
specifiedSelector
);
} catch (e) {
logger.error(getErrorMessage(e));
throw new Error(
`Invalid selector for :${pseudoName}() pseudo-class: '${regularSelector}'`
);
}
return relativeElements.length > 0;
});
};
const isAnyElementBySelectorList = (argsData) => {
const { element, relativeSelectorList, pseudoName } = argsData;
return relativeSelectorList.children.some((selectorNode) => {
const relativeRegularSelector = getFirstInnerRegularChild(
selectorNode,
pseudoName
);
const rootElement = getParent(
element,
`Selection by :${pseudoName}() pseudo-class is not possible`
);
const specifiedSelector = `${scopeDirectChildren}${getNodeValue(
relativeRegularSelector
)}`;
let anyElements;
try {
anyElements = getElementsForSelectorNode(
selectorNode,
rootElement,
specifiedSelector
);
} catch (e) {
return false;
}
return anyElements.includes(element);
});
};
const notElementBySelectorList = (argsData) => {
const { element, relativeSelectorList, pseudoName } = argsData;
return relativeSelectorList.children.every((selectorNode) => {
const relativeRegularSelector = getFirstInnerRegularChild(
selectorNode,
pseudoName
);
const rootElement = getParent(
element,
`Selection by :${pseudoName}() pseudo-class is not possible`
);
const specifiedSelector = `${scopeDirectChildren}${getNodeValue(
relativeRegularSelector
)}`;
let anyElements;
try {
anyElements = getElementsForSelectorNode(
selectorNode,
rootElement,
specifiedSelector
);
} catch (e) {
logger.error(getErrorMessage(e));
throw new Error(
`Invalid selector for :${pseudoName}() pseudo-class: '${getNodeValue(
relativeRegularSelector
)}'`
);
}
return !anyElements.includes(element);
});
};
const getByRegularSelector = (
regularSelectorNode,
root,
specifiedSelector
) => {
const selectorText = specifiedSelector
? specifiedSelector
: getNodeValue(regularSelectorNode);
let selectedElements = [];
try {
selectedElements = Array.from(root.querySelectorAll(selectorText));
} catch (e) {
throw new Error(
`Error: unable to select by '${selectorText}' — ${getErrorMessage(e)}`
);
}
return selectedElements;
};
const getByExtendedSelector = (domElements, extendedSelectorNode) => {
let foundElements = [];
const extendedPseudoClassNode = getPseudoClassNode(extendedSelectorNode);
const pseudoName = getNodeName(extendedPseudoClassNode);
if (isAbsolutePseudoClass(pseudoName)) {
const absolutePseudoArg = getNodeValue(
extendedPseudoClassNode,
`Missing arg for :${pseudoName}() pseudo-class`
);
if (pseudoName === NTH_ANCESTOR_PSEUDO_CLASS_MARKER) {
foundElements = findByAbsolutePseudoPseudo.nthAncestor(
domElements,
absolutePseudoArg,
pseudoName
);
} else if (pseudoName === XPATH_PSEUDO_CLASS_MARKER) {
try {
document.createExpression(absolutePseudoArg, null);
} catch (e) {
throw new Error(
`Invalid argument of :${pseudoName}() pseudo-class: '${absolutePseudoArg}'`
);
}
foundElements = findByAbsolutePseudoPseudo.xpath(
domElements,
absolutePseudoArg
);
} else if (pseudoName === UPWARD_PSEUDO_CLASS_MARKER) {
if (Number.isNaN(Number(absolutePseudoArg))) {
foundElements = findByAbsolutePseudoPseudo.upward(
domElements,
absolutePseudoArg
);
} else {
foundElements = findByAbsolutePseudoPseudo.nthAncestor(
domElements,
absolutePseudoArg,
pseudoName
);
}
} else {
foundElements = domElements.filter((element) => {
return isMatchedByAbsolutePseudo(
element,
pseudoName,
absolutePseudoArg
);
});
}
} else if (isRelativePseudoClass(pseudoName)) {
const relativeSelectorList = getRelativeSelectorListNode(
extendedPseudoClassNode
);
let relativePredicate;
switch (pseudoName) {
case HAS_PSEUDO_CLASS_MARKER:
case ABP_HAS_PSEUDO_CLASS_MARKER:
relativePredicate = (element) =>
hasRelativesBySelectorList({
element,
relativeSelectorList,
pseudoName,
});
break;
case IS_PSEUDO_CLASS_MARKER:
relativePredicate = (element) =>
isAnyElementBySelectorList({
element,
relativeSelectorList,
pseudoName,
});
break;
case NOT_PSEUDO_CLASS_MARKER:
relativePredicate = (element) =>
notElementBySelectorList({
element,
relativeSelectorList,
pseudoName,
});
break;
default:
throw new Error(`Unknown relative pseudo-class: '${pseudoName}'`);
}
foundElements = domElements.filter(relativePredicate);
} else {
throw new Error(`Unknown extended pseudo-class: '${pseudoName}'`);
}
return foundElements;
};
const getByFollowingRegularSelector = (domElements, regularSelectorNode) => {
let foundElements = [];
const value = getNodeValue(regularSelectorNode);
if (value.startsWith(CHILD_COMBINATOR)) {
foundElements = domElements.map((root) => {
const specifiedSelector = `${SCOPE_CSS_PSEUDO_CLASS}${value}`;
return getByRegularSelector(
regularSelectorNode,
root,
specifiedSelector
);
});
} else if (
value.startsWith(NEXT_SIBLING_COMBINATOR) ||
value.startsWith(SUBSEQUENT_SIBLING_COMBINATOR)
) {
foundElements = domElements.map((element) => {
const rootElement = element.parentElement;
if (!rootElement) {
return [];
}
const elementSelectorText = getElementSelectorDesc(element);
const specifiedSelector = `${scopeDirectChildren}${elementSelectorText}${value}`;
const selected = getByRegularSelector(
regularSelectorNode,
rootElement,
specifiedSelector
);
return selected;
});
} else {
foundElements = domElements.map((root) => {
const specifiedSelector = `${scopeAnyChildren}${getNodeValue(
regularSelectorNode
)}`;
return getByRegularSelector(
regularSelectorNode,
root,
specifiedSelector
);
});
}
return flatten(foundElements);
};
const getElementsForSelectorNode = (
selectorNode,
root,
specifiedSelector
) => {
let selectedElements = [];
let i = 0;
while (i < selectorNode.children.length) {
const selectorNodeChild = getItemByIndex(
selectorNode.children,
i,
"selectorNodeChild should be specified"
);
if (i === 0) {
selectedElements = getByRegularSelector(
selectorNodeChild,
root,
specifiedSelector
);
} else if (isExtendedSelectorNode(selectorNodeChild)) {
selectedElements = getByExtendedSelector(
selectedElements,
selectorNodeChild
);
} else if (isRegularSelectorNode(selectorNodeChild)) {
selectedElements = getByFollowingRegularSelector(
selectedElements,
selectorNodeChild
);
}
i += 1;
}
return selectedElements;
};
const selectElementsByAst = function (ast) {
let doc =
arguments.length > 1 && arguments[1] !== undefined
? arguments[1]
: document;
const selectedElements = [];
ast.children.forEach((selectorNode) => {
selectedElements.push(...getElementsForSelectorNode(selectorNode, doc));
});
const uniqueElements = [...new Set(flatten(selectedElements))];
return uniqueElements;
};
class ExtCssDocument {
constructor() {
this.astCache = new Map();
}
saveAstToCache(selector, ast) {
this.astCache.set(selector, ast);
}
getAstFromCache(selector) {
const cachedAst = this.astCache.get(selector) || null;
return cachedAst;
}
getSelectorAst(selector) {
let ast = this.getAstFromCache(selector);
if (!ast) {
ast = parse(selector);
}
this.saveAstToCache(selector, ast);
return ast;
}
querySelectorAll(selector) {
const ast = this.getSelectorAst(selector);
return selectElementsByAst(ast);
}
}
const extCssDocument = new ExtCssDocument();
const getObjectFromEntries = (entries) => {
const object = {};
entries.forEach((el) => {
const [key, value] = el;
object[key] = value;
});
return object;
};
const DEBUG_PSEUDO_PROPERTY_KEY = "debug";
const parseRemoveSelector = (rawSelector) => {
const VALID_REMOVE_MARKER = `${COLON}${REMOVE_PSEUDO_MARKER}${BRACKET.PARENTHESES.LEFT}${BRACKET.PARENTHESES.RIGHT}`;
const INVALID_REMOVE_MARKER = `${COLON}${REMOVE_PSEUDO_MARKER}${BRACKET.PARENTHESES.LEFT}`;
let selector;
let shouldRemove = false;
const firstIndex = rawSelector.indexOf(VALID_REMOVE_MARKER);
if (firstIndex === 0) {
throw new Error(
`${REMOVE_ERROR_PREFIX.NO_TARGET_SELECTOR}: '${rawSelector}'`
);
} else if (firstIndex > 0) {
if (firstIndex !== rawSelector.lastIndexOf(VALID_REMOVE_MARKER)) {
throw new Error(
`${REMOVE_ERROR_PREFIX.MULTIPLE_USAGE}: '${rawSelector}'`
);
} else if (firstIndex + VALID_REMOVE_MARKER.length < rawSelector.length) {
throw new Error(
`${REMOVE_ERROR_PREFIX.INVALID_POSITION}: '${rawSelector}'`
);
} else {
selector = rawSelector.substring(0, firstIndex);
shouldRemove = true;
}
} else if (rawSelector.includes(INVALID_REMOVE_MARKER)) {
throw new Error(
`${REMOVE_ERROR_PREFIX.INVALID_REMOVE}: '${rawSelector}'`
);
} else {
selector = rawSelector;
}
const stylesOfSelector = shouldRemove
? [
{
property: REMOVE_PSEUDO_MARKER,
value: PSEUDO_PROPERTY_POSITIVE_VALUE,
},
]
: [];
return {
selector,
stylesOfSelector,
};
};
const parseSelectorRulePart = (selectorBuffer, extCssDoc) => {
let selector = selectorBuffer.trim();
if (selector.startsWith(AT_RULE_MARKER)) {
throw new Error(`${NO_AT_RULE_ERROR_PREFIX}: '${selector}'.`);
}
let removeSelectorData;
try {
removeSelectorData = parseRemoveSelector(selector);
} catch (e) {
logger.error(getErrorMessage(e));
throw new Error(`${REMOVE_ERROR_PREFIX.INVALID_REMOVE}: '${selector}'`);
}
let stylesOfSelector = [];
let success = false;
let ast;
try {
selector = removeSelectorData.selector;
stylesOfSelector = removeSelectorData.stylesOfSelector;
ast = extCssDoc.getSelectorAst(selector);
success = true;
} catch (e) {
success = false;
}
return {
success,
selector,
ast,
stylesOfSelector,
};
};
const createRawResultsMap = () => {
return new Map();
};
const saveToRawResults = (rawResults, rawRuleData) => {
const { selector, ast, rawStyles } = rawRuleData;
if (!rawStyles) {
throw new Error(`No style declaration for selector: '${selector}'`);
}
if (!ast) {
throw new Error(`No ast parsed for selector: '${selector}'`);
}
const storedRuleData = rawResults.get(selector);
if (!storedRuleData) {
rawResults.set(selector, {
ast,
styles: rawStyles,
});
} else {
storedRuleData.styles.push(...rawStyles);
}
};
const isRemoveSetInStyles = (styles) => {
return styles.some((s) => {
return (
s.property === REMOVE_PSEUDO_MARKER &&
s.value === PSEUDO_PROPERTY_POSITIVE_VALUE
);
});
};
const getDebugStyleValue = (styles) => {
const debugStyle = styles.find((s) => {
return s.property === DEBUG_PSEUDO_PROPERTY_KEY;
});
return debugStyle === null || debugStyle === void 0
? void 0
: debugStyle.value;
};
const prepareRuleData = (rawRuleData) => {
const { selector, ast, rawStyles } = rawRuleData;
if (!ast) {
throw new Error(`AST should be parsed for selector: '${selector}'`);
}
if (!rawStyles) {
throw new Error(`Styles should be parsed for selector: '${selector}'`);
}
const ruleData = {
selector,
ast,
};
const debugValue = getDebugStyleValue(rawStyles);
const shouldRemove = isRemoveSetInStyles(rawStyles);
let styles = rawStyles;
if (debugValue) {
styles = rawStyles.filter(
(s) => s.property !== DEBUG_PSEUDO_PROPERTY_KEY
);
if (
debugValue === PSEUDO_PROPERTY_POSITIVE_VALUE ||
debugValue === DEBUG_PSEUDO_PROPERTY_GLOBAL_VALUE
) {
ruleData.debug = debugValue;
}
}
if (shouldRemove) {
ruleData.style = {
[REMOVE_PSEUDO_MARKER]: PSEUDO_PROPERTY_POSITIVE_VALUE,
};
const contentStyle = styles.find(
(s) => s.property === CONTENT_CSS_PROPERTY
);
if (contentStyle) {
ruleData.style[CONTENT_CSS_PROPERTY] = contentStyle.value;
}
} else {
if (styles.length > 0) {
const stylesAsEntries = styles.map((style) => {
const { property, value } = style;
return [property, value];
});
const preparedStyleData = getObjectFromEntries(stylesAsEntries);
ruleData.style = preparedStyleData;
}
}
return ruleData;
};
const combineRulesData = (rawResults) => {
const results = [];
rawResults.forEach((value, key) => {
const selector = key;
const { ast, styles: rawStyles } = value;
results.push(
prepareRuleData({
selector,
ast,
rawStyles,
})
);
});
return results;
};
const tokenizeStyleBlock = (rawStyle) => {
const styleDeclaration = rawStyle.trim();
return tokenize(styleDeclaration, SUPPORTED_STYLE_DECLARATION_MARKS);
};
const DECLARATION_PART = {
PROPERTY: "property",
VALUE: "value",
};
const isValueQuotesOpen = (context) => {
return context.bufferValue !== "" && context.valueQuoteMark !== null;
};
const collectStyle = (context) => {
context.styles.push({
property: context.bufferProperty.trim(),
value: context.bufferValue.trim(),
});
context.bufferProperty = "";
context.bufferValue = "";
};
const processPropertyToken = (context, styleBlock, token) => {
const { value: tokenValue } = token;
switch (token.type) {
case TOKEN_TYPE.WORD:
if (context.bufferProperty.length > 0) {
throw new Error(
`Invalid style property in style block: '${styleBlock}'`
);
}
context.bufferProperty += tokenValue;
break;
case TOKEN_TYPE.MARK:
if (tokenValue === COLON) {
if (context.bufferProperty.trim().length === 0) {
throw new Error(
`Missing style property before ':' in style block: '${styleBlock}'`
);
}
context.bufferProperty = context.bufferProperty.trim();
context.processing = DECLARATION_PART.VALUE;
} else if (WHITE_SPACE_CHARACTERS.includes(tokenValue));
else {
throw new Error(
`Invalid style declaration in style block: '${styleBlock}'`
);
}
break;
default:
throw new Error(
`Unsupported style property character: '${tokenValue}' in style block: '${styleBlock}'`
);
}
};
const processValueToken = (context, styleBlock, token) => {
const { value: tokenValue } = token;
if (token.type === TOKEN_TYPE.WORD) {
context.bufferValue += tokenValue;
} else {
switch (tokenValue) {
case COLON:
if (!isValueQuotesOpen(context)) {
throw new Error(
`Invalid style value for property '${context.bufferProperty}' in style block: '${styleBlock}'`
);
}
context.bufferValue += tokenValue;
break;
case SEMICOLON:
if (isValueQuotesOpen(context)) {
context.bufferValue += tokenValue;
} else {
collectStyle(context);
context.processing = DECLARATION_PART.PROPERTY;
}
break;
case SINGLE_QUOTE:
case DOUBLE_QUOTE:
if (context.valueQuoteMark === null) {
context.valueQuoteMark = tokenValue;
} else if (
!context.bufferValue.endsWith(BACKSLASH) &&
context.valueQuoteMark === tokenValue
) {
context.valueQuoteMark = null;
}
context.bufferValue += tokenValue;
break;
case BACKSLASH:
if (!isValueQuotesOpen(context)) {
throw new Error(
`Invalid style value for property '${context.bufferProperty}' in style block: '${styleBlock}'`
);
}
context.bufferValue += tokenValue;
break;
case SPACE:
case TAB:
case CARRIAGE_RETURN:
case LINE_FEED:
case FORM_FEED:
if (context.bufferValue.length > 0) {
context.bufferValue += tokenValue;
}
break;
default:
throw new Error(`Unknown style declaration token: '${tokenValue}'`);
}
}
};
const parseStyleBlock = (rawStyleBlock) => {
const styleBlock = rawStyleBlock.trim();
const tokens = tokenizeStyleBlock(styleBlock);
const context = {
processing: DECLARATION_PART.PROPERTY,
styles: [],
bufferProperty: "",
bufferValue: "",
valueQuoteMark: null,
};
let i = 0;
while (i < tokens.length) {
const token = tokens[i];
if (!token) {
break;
}
if (context.processing === DECLARATION_PART.PROPERTY) {
processPropertyToken(context, styleBlock, token);
} else if (context.processing === DECLARATION_PART.VALUE) {
processValueToken(context, styleBlock, token);
} else {
throw new Error("Style declaration parsing failed");
}
i += 1;
}
if (isValueQuotesOpen(context)) {
throw new Error(
`Unbalanced style declaration quotes in style block: '${styleBlock}'`
);
}
if (context.bufferProperty.length > 0) {
if (context.bufferValue.length === 0) {
throw new Error(
`Missing style value for property '${context.bufferProperty}' in style block '${styleBlock}'`
);
}
collectStyle(context);
}
if (context.styles.length === 0) {
throw new Error(STYLE_ERROR_PREFIX.NO_STYLE);
}
return context.styles;
};
const getLeftCurlyBracketIndexes = (cssRule) => {
const indexes = [];
for (let i = 0; i < cssRule.length; i += 1) {
if (cssRule[i] === BRACKET.CURLY.LEFT) {
indexes.push(i);
}
}
return indexes;
};
const parseRule = (rawCssRule, extCssDoc) => {
var _rawRuleData$selector;
const cssRule = rawCssRule.trim();
if (
cssRule.includes(`${SLASH}${ASTERISK}`) &&
cssRule.includes(`${ASTERISK}${SLASH}`)
) {
throw new Error(STYLE_ERROR_PREFIX.NO_COMMENT);
}
const leftCurlyBracketIndexes = getLeftCurlyBracketIndexes(cssRule);
if (getFirst(leftCurlyBracketIndexes) === 0) {
throw new Error(NO_SELECTOR_ERROR_PREFIX);
}
let selectorData;
if (
leftCurlyBracketIndexes.length > 0 &&
!cssRule.includes(BRACKET.CURLY.RIGHT)
) {
throw new Error(
`${STYLE_ERROR_PREFIX.NO_STYLE} OR ${STYLE_ERROR_PREFIX.UNCLOSED_STYLE}`
);
}
if (
leftCurlyBracketIndexes.length === 0 ||
!cssRule.includes(BRACKET.CURLY.RIGHT)
) {
try {
selectorData = parseSelectorRulePart(cssRule, extCssDoc);
if (selectorData.success) {
var _selectorData$stylesO;
if (
((_selectorData$stylesO = selectorData.stylesOfSelector) === null ||
_selectorData$stylesO === void 0
? void 0
: _selectorData$stylesO.length) === 0
) {
throw new Error(STYLE_ERROR_PREFIX.NO_STYLE_OR_REMOVE);
}
return {
selector: selectorData.selector.trim(),
ast: selectorData.ast,
rawStyles: selectorData.stylesOfSelector,
};
} else {
throw new Error("Invalid selector");
}
} catch (e) {
throw new Error(getErrorMessage(e));
}
}
let selectorBuffer;
let styleBlockBuffer;
const rawRuleData = {
selector: "",
};
for (let i = leftCurlyBracketIndexes.length - 1; i > -1; i -= 1) {
const index = leftCurlyBracketIndexes[i];
if (!index) {
throw new Error(
`Impossible to continue, no '{' to process for rule: '${cssRule}'`
);
}
selectorBuffer = cssRule.slice(0, index);
styleBlockBuffer = cssRule.slice(index + 1, cssRule.length - 1);
selectorData = parseSelectorRulePart(selectorBuffer, extCssDoc);
if (selectorData.success) {
var _rawRuleData$rawStyle;
rawRuleData.selector = selectorData.selector.trim();
rawRuleData.ast = selectorData.ast;
rawRuleData.rawStyles = selectorData.stylesOfSelector;
const parsedStyles = parseStyleBlock(styleBlockBuffer);
(_rawRuleData$rawStyle = rawRuleData.rawStyles) === null ||
_rawRuleData$rawStyle === void 0
? void 0
: _rawRuleData$rawStyle.push(...parsedStyles);
break;
} else {
continue;
}
}
if (
((_rawRuleData$selector = rawRuleData.selector) === null ||
_rawRuleData$selector === void 0
? void 0
: _rawRuleData$selector.length) === 0
) {
throw new Error("Selector in not valid");
}
return rawRuleData;
};
const parseRules$1 = (rawCssRules, extCssDoc) => {
const rawResults = createRawResultsMap();
const warnings = [];
const uniqueRules = [...new Set(rawCssRules.map((r) => r.trim()))];
uniqueRules.forEach((rule) => {
try {
saveToRawResults(rawResults, parseRule(rule, extCssDoc));
} catch (e) {
const errorMessage = getErrorMessage(e);
warnings.push(`'${rule}' - error: '${errorMessage}'`);
}
});
if (warnings.length > 0) {
logger.info(`Invalid rules:\n ${warnings.join("\n ")}`);
}
return combineRulesData(rawResults);
};
const REGEXP_DECLARATION_END = /[;}]/g;
const REGEXP_DECLARATION_DIVIDER = /[;:}]/g;
const REGEXP_NON_WHITESPACE = /\S/g;
const restoreRuleAcc = (context) => {
context.rawRuleData = {
selector: "",
};
};
const parseSelectorPart = (context, extCssDoc) => {
let selector = context.selectorBuffer.trim();
if (selector.startsWith(AT_RULE_MARKER)) {
throw new Error(`${NO_AT_RULE_ERROR_PREFIX}: '${selector}'.`);
}
let removeSelectorData;
try {
removeSelectorData = parseRemoveSelector(selector);
} catch (e) {
logger.error(getErrorMessage(e));
throw new Error(`${REMOVE_ERROR_PREFIX.INVALID_REMOVE}: '${selector}'`);
}
if (context.nextIndex === -1) {
if (selector === removeSelectorData.selector) {
throw new Error(
`${STYLE_ERROR_PREFIX.NO_STYLE_OR_REMOVE}: '${context.cssToParse}'`
);
}
context.cssToParse = "";
}
let stylesOfSelector = [];
let success = false;
let ast;
try {
selector = removeSelectorData.selector;
stylesOfSelector = removeSelectorData.stylesOfSelector;
ast = extCssDoc.getSelectorAst(selector);
success = true;
} catch (e) {
success = false;
}
if (context.nextIndex > 0) {
context.cssToParse = context.cssToParse.slice(context.nextIndex);
}
return {
success,
selector,
ast,
stylesOfSelector,
};
};
const parseUntilClosingBracket = (context, styles) => {
REGEXP_DECLARATION_DIVIDER.lastIndex = context.nextIndex;
let match = REGEXP_DECLARATION_DIVIDER.exec(context.cssToParse);
if (match === null) {
throw new Error(
`${STYLE_ERROR_PREFIX.INVALID_STYLE}: '${context.cssToParse}'`
);
}
let matchPos = match.index;
let matched = match[0];
if (matched === BRACKET.CURLY.RIGHT) {
const declarationChunk = context.cssToParse.slice(
context.nextIndex,
matchPos
);
if (declarationChunk.trim().length === 0) {
if (styles.length === 0) {
throw new Error(
`${STYLE_ERROR_PREFIX.NO_STYLE}: '${context.cssToParse}'`
);
}
} else {
throw new Error(
`${STYLE_ERROR_PREFIX.INVALID_STYLE}: '${context.cssToParse}'`
);
}
return matchPos;
}
if (matched === COLON) {
const colonIndex = matchPos;
REGEXP_DECLARATION_END.lastIndex = colonIndex;
match = REGEXP_DECLARATION_END.exec(context.cssToParse);
if (match === null) {
throw new Error(
`${STYLE_ERROR_PREFIX.UNCLOSED_STYLE}: '${context.cssToParse}'`
);
}
matchPos = match.index;
matched = match[0];
const property = context.cssToParse
.slice(context.nextIndex, colonIndex)
.trim();
if (property.length === 0) {
throw new Error(
`${STYLE_ERROR_PREFIX.NO_PROPERTY}: '${context.cssToParse}'`
);
}
const value = context.cssToParse.slice(colonIndex + 1, matchPos).trim();
if (value.length === 0) {
throw new Error(
`${STYLE_ERROR_PREFIX.NO_VALUE}: '${context.cssToParse}'`
);
}
styles.push({
property,
value,
});
if (matched === BRACKET.CURLY.RIGHT) {
return matchPos;
}
}
context.cssToParse = context.cssToParse.slice(matchPos + 1);
context.nextIndex = 0;
return parseUntilClosingBracket(context, styles);
};
const parseNextStyle = (context) => {
const styles = [];
const styleEndPos = parseUntilClosingBracket(context, styles);
REGEXP_NON_WHITESPACE.lastIndex = styleEndPos + 1;
const match = REGEXP_NON_WHITESPACE.exec(context.cssToParse);
if (match === null) {
context.cssToParse = "";
return styles;
}
const matchPos = match.index;
context.cssToParse = context.cssToParse.slice(matchPos);
return styles;
};
const parseStylesheet = (rawStylesheet, extCssDoc) => {
const stylesheet = rawStylesheet.trim();
if (
stylesheet.includes(`${SLASH}${ASTERISK}`) &&
stylesheet.includes(`${ASTERISK}${SLASH}`)
) {
throw new Error(
`${STYLE_ERROR_PREFIX.NO_COMMENT} in stylesheet: '${stylesheet}'`
);
}
const context = {
isSelector: true,
nextIndex: 0,
cssToParse: stylesheet,
selectorBuffer: "",
rawRuleData: {
selector: "",
},
};
const rawResults = createRawResultsMap();
let selectorData;
while (context.cssToParse) {
if (context.isSelector) {
context.nextIndex = context.cssToParse.indexOf(BRACKET.CURLY.LEFT);
if (context.selectorBuffer.length === 0 && context.nextIndex === 0) {
throw new Error(
`${STYLE_ERROR_PREFIX.NO_SELECTOR}: '${context.cssToParse}'`
);
}
if (context.nextIndex === -1) {
context.selectorBuffer = context.cssToParse;
} else {
context.selectorBuffer += context.cssToParse.slice(
0,
context.nextIndex
);
}
selectorData = parseSelectorPart(context, extCssDoc);
if (selectorData.success) {
context.rawRuleData.selector = selectorData.selector.trim();
context.rawRuleData.ast = selectorData.ast;
context.rawRuleData.rawStyles = selectorData.stylesOfSelector;
context.isSelector = false;
if (context.nextIndex === -1) {
saveToRawResults(rawResults, context.rawRuleData);
restoreRuleAcc(context);
} else {
context.nextIndex = 1;
context.selectorBuffer = "";
}
} else {
context.selectorBuffer += BRACKET.CURLY.LEFT;
context.cssToParse = context.cssToParse.slice(1);
}
} else {
var _context$rawRuleData$;
const parsedStyles = parseNextStyle(context);
(_context$rawRuleData$ = context.rawRuleData.rawStyles) === null ||
_context$rawRuleData$ === void 0
? void 0
: _context$rawRuleData$.push(...parsedStyles);
saveToRawResults(rawResults, context.rawRuleData);
context.nextIndex = 0;
restoreRuleAcc(context);
context.isSelector = true;
}
}
return combineRulesData(rawResults);
};
const isNumber = (arg) => {
return typeof arg === "number" && !Number.isNaN(arg);
};
const isSupported = typeof window.requestAnimationFrame !== "undefined";
const timeout = isSupported ? requestAnimationFrame : window.setTimeout;
const deleteTimeout = isSupported ? cancelAnimationFrame : clearTimeout;
const perf = isSupported ? performance : Date;
const DEFAULT_THROTTLE_DELAY_MS = 150;
class ThrottleWrapper {
constructor(context, callback, throttleMs) {
this.context = context;
this.callback = callback;
this.throttleDelayMs = throttleMs || DEFAULT_THROTTLE_DELAY_MS;
this.wrappedCb = this.wrappedCallback.bind(this);
}
wrappedCallback(timestamp) {
this.lastRunTime = isNumber(timestamp) ? timestamp : perf.now();
if (this.timeoutId) {
deleteTimeout(this.timeoutId);
delete this.timeoutId;
}
clearTimeout(this.timerId);
delete this.timerId;
if (this.callback) {
this.callback(this.context);
}
}
hasPendingCallback() {
return isNumber(this.timeoutId) || isNumber(this.timerId);
}
run() {
if (this.hasPendingCallback()) {
return;
}
if (typeof this.lastRunTime !== "undefined") {
const elapsedTime = perf.now() - this.lastRunTime;
if (elapsedTime < this.throttleDelayMs) {
this.timerId = window.setTimeout(
this.wrappedCb,
this.throttleDelayMs - elapsedTime
);
return;
}
}
this.timeoutId = timeout(this.wrappedCb);
}
static now() {
return perf.now();
}
}
const LAST_EVENT_TIMEOUT_MS = 10;
const IGNORED_EVENTS = ["mouseover", "mouseleave", "mouseenter", "mouseout"];
const SUPPORTED_EVENTS = [
"keydown",
"keypress",
"keyup",
"auxclick",
"click",
"contextmenu",
"dblclick",
"mousedown",
"mouseenter",
"mouseleave",
"mousemove",
"mouseover",
"mouseout",
"mouseup",
"pointerlockchange",
"pointerlockerror",
"select",
"wheel",
];
const SAFARI_PROBLEMATIC_EVENTS = ["wheel"];
class EventTracker {
constructor() {
_defineProperty(this, "getLastEventType", () => this.lastEventType);
_defineProperty(this, "getTimeSinceLastEvent", () => {
if (!this.lastEventTime) {
return null;
}
return Date.now() - this.lastEventTime;
});
this.trackedEvents = isSafariBrowser
? SUPPORTED_EVENTS.filter(
(event) => !SAFARI_PROBLEMATIC_EVENTS.includes(event)
)
: SUPPORTED_EVENTS;
this.trackedEvents.forEach((eventName) => {
document.documentElement.addEventListener(
eventName,
this.trackEvent,
true
);
});
}
trackEvent(event) {
this.lastEventType = event.type;
this.lastEventTime = Date.now();
}
isIgnoredEventType() {
const lastEventType = this.getLastEventType();
const sinceLastEventTime = this.getTimeSinceLastEvent();
return (
!!lastEventType &&
IGNORED_EVENTS.includes(lastEventType) &&
!!sinceLastEventTime &&
sinceLastEventTime < LAST_EVENT_TIMEOUT_MS
);
}
stopTracking() {
this.trackedEvents.forEach((eventName) => {
document.documentElement.removeEventListener(
eventName,
this.trackEvent,
true
);
});
}
}
const isEventListenerSupported =
typeof window.addEventListener !== "undefined";
const observeDocument = (context, callback) => {
const shouldIgnoreMutations = (mutations) => {
return mutations.every((m) => m.type === "attributes");
};
if (natives.MutationObserver) {
context.domMutationObserver = new natives.MutationObserver(
(mutations) => {
if (!mutations || mutations.length === 0) {
return;
}
const eventTracker = new EventTracker();
if (
eventTracker.isIgnoredEventType() &&
shouldIgnoreMutations(mutations)
) {
return;
}
context.eventTracker = eventTracker;
callback();
}
);
context.domMutationObserver.observe(document, {
childList: true,
subtree: true,
attributes: true,
attributeFilter: ["id", "class"],
});
} else if (isEventListenerSupported) {
document.addEventListener("DOMNodeInserted", callback, false);
document.addEventListener("DOMNodeRemoved", callback, false);
document.addEventListener("DOMAttrModified", callback, false);
}
};
const disconnectDocument = (context, callback) => {
var _context$eventTracker;
if (context.domMutationObserver) {
context.domMutationObserver.disconnect();
} else if (isEventListenerSupported) {
document.removeEventListener("DOMNodeInserted", callback, false);
document.removeEventListener("DOMNodeRemoved", callback, false);
document.removeEventListener("DOMAttrModified", callback, false);
}
(_context$eventTracker = context.eventTracker) === null ||
_context$eventTracker === void 0
? void 0
: _context$eventTracker.stopTracking();
};
const mainObserve = (context, mainCallback) => {
if (context.isDomObserved) {
return;
}
context.isDomObserved = true;
observeDocument(context, mainCallback);
};
const mainDisconnect = (context, mainCallback) => {
if (!context.isDomObserved) {
return;
}
context.isDomObserved = false;
disconnectDocument(context, mainCallback);
};
const CONTENT_ATTR_PREFIX_REGEXP = /^("|')adguard.+?/;
const removeElement = (context, affectedElement) => {
const { node } = affectedElement;
affectedElement.removed = true;
const elementSelector = getElementSelectorPath(node);
const elementRemovalsCounter =
context.removalsStatistic[elementSelector] || 0;
if (elementRemovalsCounter > MAX_STYLE_PROTECTION_COUNT) {
logger.error(
`ExtendedCss: infinite loop protection for selector: '${elementSelector}'`
);
return;
}
if (node.parentElement) {
node.parentElement.removeChild(node);
context.removalsStatistic[elementSelector] = elementRemovalsCounter + 1;
}
};
const setStyleToElement = (node, style) => {
if (!(node instanceof HTMLElement)) {
return;
}
Object.keys(style).forEach((prop) => {
if (typeof node.style.getPropertyValue(prop.toString()) !== "undefined") {
let value = style[prop];
if (!value) {
return;
}
if (
prop === CONTENT_CSS_PROPERTY &&
value.match(CONTENT_ATTR_PREFIX_REGEXP)
) {
return;
}
value = removeSuffix(value.trim(), "!important").trim();
node.style.setProperty(prop, value, "important");
}
});
};
const isIAffectedElement = (affectedElement) => {
return [...affectedElement.rules].every((rule) => {
return rule.style && CONTENT_CSS_PROPERTY in rule.style;
});
};
const isAffectedElement = (affectedElement) => {
return (
"node" in affectedElement &&
"rules" in affectedElement &&
affectedElement.rules instanceof Array
);
};
const applyStyle = (context, rawAffectedElement) => {
if (rawAffectedElement.protectionObserver) {
return;
}
let affectedElement;
if (context.beforeStyleApplied) {
if (!isIAffectedElement(rawAffectedElement)) {
throw new Error("Rule style property 'content' should be defined");
}
affectedElement = context.beforeStyleApplied(rawAffectedElement);
if (!affectedElement) {
throw new Error(
"Callback 'beforeStyleApplied' should return IAffectedElement"
);
}
if (!isAffectedElement(affectedElement)) {
throw new Error(
"Returned IAffectedElement should have 'node' and 'rules' properties"
);
}
} else {
affectedElement = rawAffectedElement;
}
const { node, rules } = affectedElement;
for (let i = 0; i < rules.length; i += 1) {
const rule = rules[i];
const selector =
rule === null || rule === void 0 ? void 0 : rule.selector;
const style = rule === null || rule === void 0 ? void 0 : rule.style;
const debug = rule === null || rule === void 0 ? void 0 : rule.debug;
if (style) {
if (style[REMOVE_PSEUDO_MARKER] === PSEUDO_PROPERTY_POSITIVE_VALUE) {
removeElement(context, affectedElement);
return;
}
setStyleToElement(node, style);
} else if (!debug) {
throw new Error(
`No style declaration in rule for selector: '${selector}'`
);
}
}
};
const revertStyle = (affectedElement) => {
if (affectedElement.protectionObserver) {
affectedElement.protectionObserver.disconnect();
}
affectedElement.node.style.cssText = affectedElement.originalStyle;
};
class ExtMutationObserver {
constructor(protectionCallback) {
this.styleProtectionCount = 0;
this.observer = new natives.MutationObserver((mutations) => {
if (!mutations.length) {
return;
}
this.styleProtectionCount += 1;
protectionCallback(mutations, this);
});
}
observe(target, options) {
if (this.styleProtectionCount < MAX_STYLE_PROTECTION_COUNT) {
this.observer.observe(target, options);
} else {
logger.error("ExtendedCss: infinite loop protection for style");
}
}
disconnect() {
this.observer.disconnect();
}
}
const PROTECTION_OBSERVER_OPTIONS = {
attributes: true,
attributeOldValue: true,
attributeFilter: ["style"],
};
const createProtectionCallback = (styles) => {
const protectionCallback = (mutations, extObserver) => {
if (!mutations[0]) {
return;
}
const { target } = mutations[0];
extObserver.disconnect();
styles.forEach((style) => {
setStyleToElement(target, style);
});
extObserver.observe(target, PROTECTION_OBSERVER_OPTIONS);
};
return protectionCallback;
};
const protectStyleAttribute = (node, rules) => {
if (!natives.MutationObserver) {
return null;
}
const styles = [];
rules.forEach((ruleData) => {
const { style } = ruleData;
if (style) {
styles.push(style);
}
});
const protectionObserver = new ExtMutationObserver(
createProtectionCallback(styles)
);
protectionObserver.observe(node, PROTECTION_OBSERVER_OPTIONS);
return protectionObserver;
};
const STATS_DECIMAL_DIGITS_COUNT = 4;
class TimingStats {
constructor() {
this.appliesTimings = [];
this.appliesCount = 0;
this.timingsSum = 0;
this.meanTiming = 0;
this.squaredSum = 0;
this.standardDeviation = 0;
}
push(elapsedTimeMs) {
this.appliesTimings.push(elapsedTimeMs);
this.appliesCount += 1;
this.timingsSum += elapsedTimeMs;
this.meanTiming = this.timingsSum / this.appliesCount;
this.squaredSum += elapsedTimeMs * elapsedTimeMs;
this.standardDeviation = Math.sqrt(
this.squaredSum / this.appliesCount - Math.pow(this.meanTiming, 2)
);
}
}
const beautifyTimingNumber = (timestamp) => {
return Number(timestamp.toFixed(STATS_DECIMAL_DIGITS_COUNT));
};
const beautifyTimings = (rawTimings) => {
return {
appliesTimings: rawTimings.appliesTimings.map((t) =>
beautifyTimingNumber(t)
),
appliesCount: beautifyTimingNumber(rawTimings.appliesCount),
timingsSum: beautifyTimingNumber(rawTimings.timingsSum),
meanTiming: beautifyTimingNumber(rawTimings.meanTiming),
standardDeviation: beautifyTimingNumber(rawTimings.standardDeviation),
};
};
const printTimingInfo = (context) => {
if (context.areTimingsPrinted) {
return;
}
context.areTimingsPrinted = true;
const timingsLogData = {};
context.parsedRules.forEach((ruleData) => {
if (ruleData.timingStats) {
const { selector, style, debug, matchedElements } = ruleData;
if (!style && !debug) {
throw new Error(
`Rule should have style declaration for selector: '${selector}'`
);
}
const selectorData = {
selectorParsed: selector,
timings: beautifyTimings(ruleData.timingStats),
};
if (
style &&
style[REMOVE_PSEUDO_MARKER] === PSEUDO_PROPERTY_POSITIVE_VALUE
) {
selectorData.removed = true;
} else {
selectorData.styleApplied = style || null;
selectorData.matchedElements = matchedElements;
}
timingsLogData[selector] = selectorData;
}
});
if (Object.keys(timingsLogData).length === 0) {
return;
}
logger.info(
"[ExtendedCss] Timings in milliseconds for %o:\n%o",
window.location.href,
timingsLogData
);
};
const findAffectedElement = (affElements, domNode) => {
return affElements.find((affEl) => affEl.node === domNode);
};
const applyRule = (context, ruleData) => {
const isDebuggingMode = !!ruleData.debug || context.debug;
let startTime;
if (isDebuggingMode) {
startTime = ThrottleWrapper.now();
}
const { ast } = ruleData;
const nodes = [];
try {
nodes.push(...selectElementsByAst(ast));
} catch (e) {
if (context.debug) {
logger.error(getErrorMessage(e));
}
}
nodes.forEach((node) => {
let affectedElement = findAffectedElement(context.affectedElements, node);
if (affectedElement) {
affectedElement.rules.push(ruleData);
applyStyle(context, affectedElement);
} else {
const originalStyle = node.style.cssText;
affectedElement = {
node,
rules: [ruleData],
originalStyle,
protectionObserver: null,
};
applyStyle(context, affectedElement);
context.affectedElements.push(affectedElement);
}
});
if (isDebuggingMode && startTime) {
const elapsedTimeMs = ThrottleWrapper.now() - startTime;
if (!ruleData.timingStats) {
ruleData.timingStats = new TimingStats();
}
ruleData.timingStats.push(elapsedTimeMs);
}
return nodes;
};
const applyRules = (context) => {
const newSelectedElements = [];
mainDisconnect(context, context.mainCallback);
context.parsedRules.forEach((ruleData) => {
const nodes = applyRule(context, ruleData);
Array.prototype.push.apply(newSelectedElements, nodes);
if (ruleData.debug) {
ruleData.matchedElements = nodes;
}
});
let affLength = context.affectedElements.length;
while (affLength) {
const affectedElement = context.affectedElements[affLength - 1];
if (!affectedElement) {
break;
}
if (!newSelectedElements.includes(affectedElement.node)) {
revertStyle(affectedElement);
context.affectedElements.splice(affLength - 1, 1);
} else if (!affectedElement.removed) {
if (!affectedElement.protectionObserver) {
affectedElement.protectionObserver = protectStyleAttribute(
affectedElement.node,
affectedElement.rules
);
}
}
affLength -= 1;
}
mainObserve(context, context.mainCallback);
printTimingInfo(context);
};
const APPLY_RULES_DELAY = 150;
class ExtendedCss {
constructor(configuration) {
if (!isBrowserSupported()) {
logger.error("Browser is not supported by ExtendedCss");
}
if (!configuration) {
throw new Error("ExtendedCss configuration should be provided.");
}
this.context = {
beforeStyleApplied: configuration.beforeStyleApplied,
debug: false,
affectedElements: [],
isDomObserved: false,
removalsStatistic: {},
parsedRules: [],
mainCallback: () => {},
};
if (!configuration.styleSheet && !configuration.cssRules) {
throw new Error(
"ExtendedCss configuration should have 'styleSheet' or 'cssRules' defined."
);
}
if (configuration.styleSheet) {
try {
this.context.parsedRules.push(
...parseStylesheet(configuration.styleSheet, extCssDocument)
);
} catch (e) {
throw new Error(
`Pass the rules as configuration.cssRules since configuration.styleSheet cannot be parsed because of: '${getErrorMessage(
e
)}'`
);
}
}
if (configuration.cssRules) {
this.context.parsedRules.push(
...parseRules$1(configuration.cssRules, extCssDocument)
);
}
this.context.debug =
configuration.debug ||
this.context.parsedRules.some((ruleData) => {
return ruleData.debug === DEBUG_PSEUDO_PROPERTY_GLOBAL_VALUE;
});
this.applyRulesScheduler = new ThrottleWrapper(
this.context,
applyRules,
APPLY_RULES_DELAY
);
this.context.mainCallback = this.applyRulesScheduler.run.bind(
this.applyRulesScheduler
);
if (
this.context.beforeStyleApplied &&
typeof this.context.beforeStyleApplied !== "function"
) {
throw new Error(
`Invalid configuration. Type of 'beforeStyleApplied' should be a function, received: '${typeof this
.context.beforeStyleApplied}'`
);
}
this.applyRulesCallbackListener = () => {
applyRules(this.context);
};
}
init() {
nativeTextContent.setGetter();
}
apply() {
applyRules(this.context);
if (document.readyState !== "complete") {
document.addEventListener(
"DOMContentLoaded",
this.applyRulesCallbackListener,
false
);
}
}
dispose() {
mainDisconnect(this.context, this.context.mainCallback);
this.context.affectedElements.forEach((el) => {
revertStyle(el);
});
document.removeEventListener(
"DOMContentLoaded",
this.applyRulesCallbackListener,
false
);
}
getAffectedElements() {
return this.context.affectedElements;
}
static query(selector) {
let noTiming =
arguments.length > 1 && arguments[1] !== undefined
? arguments[1]
: true;
if (typeof selector !== "string") {
throw new Error("Selector should be defined as a string.");
}
const start = ThrottleWrapper.now();
try {
return extCssDocument.querySelectorAll(selector);
} finally {
const end = ThrottleWrapper.now();
if (!noTiming) {
logger.info(
`[ExtendedCss] Elapsed: ${Math.round((end - start) * 1000)} μs.`
);
}
}
}
static validate(inputSelector) {
try {
const { selector } = parseRemoveSelector(inputSelector);
ExtendedCss.query(selector);
return {
ok: true,
error: null,
};
} catch (e) {
const error = `Error: Invalid selector: '${inputSelector}' -- ${getErrorMessage(
e
)}`;
return {
ok: false,
error,
};
}
}
}
const data = {
disabled: false,
saved: false,
update: true,
updating: false,
receivedRules: "",
customRules: defaultRules,
allRules: "",
presetCss:
" {display: none !important;width: 0 !important;height: 0 !important;} ",
genHideCss: "",
genExtraCss: "",
spcHideCss: "",
spcExtraCss: "",
bRules: {
levels: [],
rules: [],
},
appliedLevel: 0,
appliedCount: 0,
records: [],
isFrame: tm.unsafeWindow.self !== tm.unsafeWindow.top,
isClean: false,
mutex: "__lemon__abp__parser__$__",
timeout: 6000,
xTimeout: 700,
tryCount: 3,
tryTimeout: 200,
};
const values = {
get black() {
const arrStr = gmValue("get", false, "ajs_disabled_domains", "");
return typeof arrStr == "string" && arrStr.length > 0
? arrStr.split(",")
: [];
},
set black(v) {
gmValue(
"set",
false,
"ajs_disabled_domains",
v === null || v === void 0 ? void 0 : v.join()
);
},
get rules() {
return gmValue("get", true, "ajs_saved_abprules", {});
},
set rules(v) {
gmValue("set", true, "ajs_saved_abprules", v);
},
get css() {
return gmValue("get", true, `ajs_saved_styles_${location.hostname}`, {
needUpdate: true,
genHideCss: "",
genExtraCss: "",
spcHideCss: "",
spcExtraCss: "",
});
},
set css(v) {
gmValue("set", true, `ajs_saved_styles_${location.hostname}`, v);
},
get hasSave() {
const arrStr = gmValue("get", false, "ajs_hasSave_domains", "");
return typeof arrStr == "string" && arrStr.length > 0
? arrStr.split(",")
: [];
},
set hasSave(v) {
gmValue(
"set",
false,
"ajs_hasSave_domains",
v === null || v === void 0 ? void 0 : v.join()
);
},
get time() {
return gmValue("get", false, "ajs_rules_ver", "0/0/0 0:0:0");
},
set time(v) {
gmValue("set", false, "ajs_rules_ver", v);
},
get drlen() {
return gmValue("get", false, "ajs_drule_length", 0);
},
set drlen(v) {
gmValue("set", false, "ajs_drule_length", v);
},
get etags() {
return gmValue("get", true, "ajs_rules_etags", {});
},
set etags(v) {
gmValue("set", true, "ajs_rules_etags", v);
},
get brules() {
return gmValue("get", true, "ajs_modifier_rules", []);
},
set brules(v) {
gmValue("set", true, "ajs_modifier_rules", v);
},
},
menus = {
disable: {
id: undefined,
get text() {
return data.disabled ? "在此网站启用拦截" : "在此网站禁用拦截";
},
},
update: {
id: undefined,
get text() {
const time = values.time;
return data.updating
? "正在更新..."
: `点击更新: ${time.slice(0, 1) === "0" ? "未知时间" : time}`;
},
},
count: {
id: undefined,
get text() {
var _a;
let cssCount = "";
if ((data.appliedLevel & 1) == 0)
cssCount += data.genHideCss + data.genExtraCss;
if ((data.appliedLevel & 2) == 0)
cssCount += data.spcHideCss + data.spcExtraCss;
return data.isClean
? "已清空，点击刷新重新加载规则"
: `${
data.saved
? "CSS: " +
((_a = cssCount.match(/{/g)) === null || _a === void 0
? void 0
: _a.length)
: "规则: " +
data.appliedCount +
"/" +
data.allRules.split("\n").length
}，点击清空规则`;
},
},
export: {
id: undefined,
text: "下载统计报告",
},
};
function gmMenu(name, cb) {
var _a;
const id = (_a = menus[name].id) !== null && _a !== void 0 ? _a : undefined;
if (
typeof tm.GM_registerMenuCommand != "function" ||
typeof tm.GM_unregisterMenuCommand != "function" ||
data.isFrame
)
return;
if (typeof id !== "undefined") {
tm.GM_unregisterMenuCommand(id);
menus[name].id = undefined;
}
if (typeof cb == "function") {
menus[name].id = tm.GM_registerMenuCommand(menus[name].text, cb);
}
}
function gmValue(action, json, key, value) {
switch (action) {
case "get":
let v;
try {
v = tm.GM_getValue(key, json ? JSON.stringify(value) : value);
} catch (error) {
return;
}
return json && typeof v == "string" ? JSON.parse(v) : v;
case "set":
try {
value === null || value === undefined
? tm.GM_deleteValue(key)
: tm.GM_setValue(key, json ? JSON.stringify(value) : value);
} catch (error) {
tm.GM_deleteValue(key);
}
break;
}
}
function addStyle(css, pass = 0) {
let el;
if (pass >= data.tryCount) return;
if (typeof tm.GM_addStyle == "function") {
el = tm.GM_addStyle(css);
} else {
el = document.createElement("style");
el.textContent = css;
document.documentElement.appendChild(el);
}
if (el) {
setTimeout(() => {
if (!document.documentElement.contains(el)) {
addStyle(css, pass + 1);
}
}, data.tryTimeout);
}
}
var _a, _b, _c;
const selectors = makeRuleBox(),
extSelectors = makeRuleBox(),
styles = makeRuleBox(),
extStyles = makeRuleBox(),
styleBoxes = ["genHideCss", "genExtraCss", "spcHideCss", "spcExtraCss"];
data.customRules +=
"\n" +
((_c =
(_b =
(_a = tm.GM_info.script) === null || _a === void 0
? void 0
: _a.options) === null || _b === void 0
? void 0
: _b.comment) !== null && _c !== void 0
? _c
: "") +
"\n";
function promiseXhr(details) {
return __awaiter(this, void 0, void 0, function* () {
let loaded = false;
try {
return yield new Promise((resolve, reject) => {
tm.GM_xmlhttpRequest(
Object.assign(
{
onload(e) {
loaded = true;
resolve(e);
},
onabort: reject.bind(null, "abort"),
onerror(e) {
reject({
error: "error",
resp: e,
});
},
ontimeout: reject.bind(null, "timeout"),
onreadystatechange(e) {
// X 浏览器超时中断
if (e.readyState === 4) {
setTimeout(() => {
if (!loaded)
reject({
error: "X timeout",
resp: e,
});
}, data.xTimeout);
}
// Via 浏览器超时中断，不给成功状态...
if (e.readyState === 3) {
setTimeout(() => {
if (!loaded)
reject({
error: "Via timeout",
resp: e,
});
}, data.timeout);
}
},
timeout: data.timeout,
},
details
)
);
});
} catch (error) {}
});
}
function storeRule(rule, resp) {
const savedRules = values.rules,
savedEtags = values.etags;
if (resp.responseHeaders) {
const etag = getEtag(resp.responseHeaders);
if (etag) {
savedEtags[rule.标识] = etag;
values.etags = savedEtags;
}
}
if (resp.responseText) {
if (rule.筛选后存储) {
let parsed = "";
resp.responseText.split("\n").forEach((rule) => {
if (CRRE.test(rule) || isBasicRule(rule)) parsed += rule + "\n";
});
savedRules[rule.标识] = parsed;
} else {
savedRules[rule.标识] = resp.responseText;
}
values.rules = savedRules;
if (Object.keys(values.rules).length === 0) {
data.receivedRules += "\n" + savedRules[rule.标识] + "\n";
}
}
}
function fetchRuleBody(rule) {
var _a;
return __awaiter(this, void 0, void 0, function* () {
const getResp = yield promiseXhr({
method: "GET",
responseType: "text",
url: rule.地址,
});
if (
getResp &&
(getResp === null || getResp === void 0
? void 0
: getResp.responseText) &&
((_a = getResp.responseText) === null || _a === void 0
? void 0
: _a.length) > 0
) {
storeRule(rule, getResp);
return true;
} else return false;
});
}
function fetchRule(rule) {
return new Promise((resolve, reject) =>
__awaiter(this, void 0, void 0, function* () {
var _a, _b, _e;
const headResp = yield promiseXhr({
method: "HEAD",
responseType: "text",
url: rule.地址,
});
if (!headResp) {
reject("HEAD 失败");
} else {
const etag = getEtag(
typeof headResp.responseHeaders == "string"
? headResp.responseHeaders
: (_b = (_a = headResp).getAllResponseHeaders) === null ||
_b === void 0
? void 0
: _b.call(_a)
),
savedEtags = values.etags;
if (
(headResp === null || headResp === void 0
? void 0
: headResp.responseText) &&
((_e = headResp.responseText) === null || _e === void 0
? void 0
: _e.length) > 0
) {
storeRule(rule, headResp);
!etag || etag !== savedEtags[rule.标识]
? resolve()
: reject("ETag 一致");
} else {
if (!etag || etag !== savedEtags[rule.标识]) {
(yield fetchRuleBody(rule)) ? resolve() : reject("GET 失败");
} else reject("ETag 一致");
}
}
})
);
}
function fetchRules(apply) {
return __awaiter(this, void 0, void 0, function* () {
const has = values.hasSave;
let hasUpdate = onlineRules.length;
data.updating = true;
gmMenu("update", () => undefined);
for (const rule of onlineRules) {
if (rule.在线更新) {
yield fetchRule(rule).catch((error) => {
hasUpdate--;
});
}
}
values.time = new Date().toLocaleString("zh-CN");
if (has.length > 0 && hasUpdate > 0) {
has.forEach((host) => {
const save = gmValue("get", true, `ajs_saved_styles_${host}`);
save.needUpdate = true;
gmValue("set", true, `ajs_saved_styles_${host}`, save);
});
}
initRules(apply);
});
}
function performUpdate(force, apply) {
if (data.isFrame) return Promise.reject();
return force || new Date(values.time).getDate() !== new Date().getDate()
? fetchRules(apply)
: Promise.resolve();
}
function switchDisabledStat() {
const disaList = values.black;
data.disabled = !disaList.includes(location.hostname);
if (data.disabled) {
disaList.push(location.hostname);
} else {
disaList.splice(disaList.indexOf(location.hostname), 1);
}
values.black = disaList;
location.reload();
}
function makeInitMenu() {
gmMenu("update", () =>
__awaiter(this, void 0, void 0, function* () {
yield performUpdate(true, false);
location.reload();
})
);
gmMenu("count", cleanRules);
}
function initRules(apply) {
const abpRules = values.rules;
if (typeof tm.GM_getResourceText == "function") {
onlineRules.forEach((rule) => {
let resRule;
try {
resRule = tm.GM_getResourceText(rule.标识);
} catch (error) {
resRule = "";
}
if (resRule && !abpRules[rule.标识]) abpRules[rule.标识] = resRule;
});
}
const abpKeys = Object.keys(abpRules);
abpKeys.forEach((name) => {
data.receivedRules += "\n" + abpRules[name] + "\n";
});
values.drlen = data.customRules.length;
data.allRules = data.customRules + data.receivedRules;
data.updating = false;
makeInitMenu();
if (apply) splitRules();
return data.receivedRules.length;
}
function styleInject(csss, extra) {
if (extra) {
csss.split("\n").forEach((css) => {
const sheet = css.replace(CCRE, "");
if (sheet) {
new ExtendedCss({
styleSheet: sheet,
}).apply();
}
});
} else {
addStyle(csss);
}
}
function canApplyCss(type) {
return (
(data.appliedLevel & (type >= 2 ? 2 : 1)) == 0 &&
data[styleBoxes[type]].length > 0
);
}
function styleApplyExec(type) {
const css = data[styleBoxes[type]];
if (canApplyCss(type)) styleInject(css, type % 2 == 1);
}
function styleApply() {
if (data.appliedLevel === 3) return;
styleApplyExec(0);
styleApplyExec(2);
styleApplyExec(1);
styleApplyExec(3);
gmMenu("export", reportRecord);
}
function reportRecord() {
const flags = ["##", "#?#", "#$#", "#$?#"];
let text = "! 应用地址: \n! " + location.href + "\n";
function pushRecord(css) {
if (css.match(CCRE) === null) return void 0;
const extra = css.match(CCRE)[1],
rule = css.replace(CCRE, ""),
sel = rule.replace(/ {.+$/, ""),
fi = parseInt(extra.slice(0, 1)),
place = extra.slice(1),
count =
fi % 2 == 1
? ExtendedCss.query(sel).length
: document.querySelectorAll(sel).length,
item = (place == "*" ? "" : place) + flags[fi] + (fi >= 2 ? rule : sel);
if (count > 0) {
text += `\n! 匹配元素数量: ${count}\n${item}\n`;
data.records.push([item, count]);
}
}
if (data.bRules.levels.length > 0) {
data.bRules.levels.forEach((l, i) => {
if (l > 0) {
text += `\n! 禁用${l == 2 ? "特定" : "通用"}元素隐藏\n${
data.bRules.rules[i]
}\n`;
}
});
}
styleBoxes.forEach((box, i) => {
if (canApplyCss(i)) {
data[box].split("\n").forEach((css) => pushRecord(css));
}
});
console.log("地址: " + location.href);
console.table(data.records);
downUrl(textToBlobUrl(text), `拦截报告_${location.hostname}.txt`);
}
function cleanRules() {
if (confirm(`是否清空存储规则 (${Object.keys(values.rules).length}) ?`)) {
const has = values.hasSave;
values.rules = {};
values.time = "0/0/0 0:0:0";
values.drlen = 0;
values.etags = {};
values.brules = [];
if (has.length > 0) {
has.forEach((host) => {
gmValue("set", true, `ajs_saved_styles_${host}`);
});
values.hasSave = null;
}
data.appliedCount = 0;
data.allRules = "";
data.isClean = true;
gmMenu("update");
gmMenu("export");
gmMenu("count", () => location.reload());
}
}
function parseRules() {
styleBoxes.forEach((box) => {
data[box] = "";
});
[styles, extStyles].forEach((r, t) => {
r.black
.filter((v) => !r.white.includes(v))
.forEach((s) => {
const checkResult = ExtendedCss.validate(s.sel.split("{")[0]);
if (checkResult.ok) {
data[
styleBoxes[s.generic ? t : t + 2]
] += `/* ${s.type}${s.place} */ ${s.sel} \n`;
data.appliedCount++;
} else {
console.error(
"选择器检查错误:",
s.sel.split("{")[0],
checkResult.error
);
}
});
});
[selectors, extSelectors].forEach((r, t) => {
r.black
.filter((v) => !r.white.includes(v))
.forEach((s, i) => {
const checkResult = ExtendedCss.validate(s.sel);
if (checkResult.ok) {
data[styleBoxes[s.generic ? t : t + 2]] += `${
i == 0 ? "" : "\n"
}/* ${s.type}${s.place} */ ${s.sel + data.presetCss}`;
data.appliedCount++;
} else {
console.error("选择器检查错误:", s.sel, checkResult.error);
}
});
});
if (values.brules.length > 0) parseBRules();
gmMenu("count", cleanRules);
saveCss();
if (!data.saved) styleApply();
}
function splitRules() {
const bRules = [];
data.allRules.split("\n").forEach((rule) => {
const ruleObj = ruleLoader(rule),
boxes = [selectors, extSelectors, styles, extStyles];
if (typeof ruleObj != "undefined") {
if (
ruleObj.black == "black" &&
boxes[ruleObj.type].white.includes(ruleObj)
)
return;
boxes[ruleObj.type][ruleObj.black].push(ruleObj);
} else if (isBasicRule(rule)) {
bRules.push(bRuleSpliter(rule));
}
});
values.brules = bRules;
parseRules();
}
function parseBRules() {
const mrules = values.brules;
data.bRules.levels = [];
data.bRules.rules = [];
mrules.forEach((br) => {
data.bRules.levels.push(bRuleParser(br));
data.bRules.rules.push(br.rule);
});
data.appliedLevel = Math.max(...data.bRules.levels);
}
function saveCss() {
const styles = {
needUpdate: false,
genHideCss: data.genHideCss,
genExtraCss: data.genExtraCss,
spcHideCss: data.spcHideCss,
spcExtraCss: data.spcExtraCss,
},
has = values.hasSave;
values.css = styles;
if (!has.includes(location.hostname)) has.push(location.hostname);
values.hasSave = has;
}
function readCss() {
const styles = values.css;
if (!hasSome(Object.keys(styles), [...styleBoxes])) {
values.css = {
needUpdate: true,
genHideCss: "",
genExtraCss: "",
spcHideCss: "",
spcExtraCss: "",
};
return false;
}
if (values.brules.length > 0) parseBRules();
styleBoxes.forEach((sname) => {
var _a;
if (styles[sname].length > 0) {
data.saved = true;
data.update =
(_a = styles.needUpdate) !== null && _a !== void 0 ? _a : true;
data[sname] = styles[sname];
}
});
return data.saved;
}
function main() {
var _a, _b;
return __awaiter(this, void 0, void 0, function* () {
if (
location.protocol.indexOf("http") !== 0 ||
location.hostname.length < 4
)
return;
data.disabled = values.black.includes(location.hostname);
gmMenu("disable", switchDisabledStat);
if (data.disabled) return;
if (
((_b =
(_a = tm.unsafeWindow.mbrowser) === null || _a === void 0
? void 0
: _a.getVersionCode) === null || _b === void 0
? void 0
: _b.call(_a)) >= 662
) {
const vars = [
"ajs_disabled_domains",
"ajs_saved_abprules",
"ajs_rules_etags",
"ajs_rules_ver",
],
stor = tm.unsafeWindow.localStorage;
vars.forEach((key) => {
if (stor.getItem(key)) {
stor.removeItem(key);
}
});
}
if (values.drlen === data.customRules.length) readCss();
saved: {
if (data.saved) {
styleApply();
makeInitMenu();
if (!data.update) break saved;
}
if (initRules(false) === 0) yield performUpdate(true, true);
splitRules();
}
try {
yield performUpdate(false, false);
} catch (_error) {
console.warn("iframe: ", location.href, " 取消更新");
}
});
}
function runOnce(key, func) {
return __awaiter(this, void 0, void 0, function* () {
if (key in tm.unsafeWindow) return;
tm.unsafeWindow[key] = true;
return yield func();
});
}
{
runOnce(data.mutex, main);
}
})({
GM_info: typeof GM_info == "object" ? GM_info : {},
unsafeWindow: typeof unsafeWindow == "object" ? unsafeWindow : window,
GM_registerMenuCommand:
typeof GM_registerMenuCommand == "function"
? GM_registerMenuCommand
: undefined,
GM_unregisterMenuCommand:
typeof GM_unregisterMenuCommand == "function"
? GM_unregisterMenuCommand
: undefined,
GM_getValue: typeof GM_getValue == "function" ? GM_getValue : undefined,
GM_deleteValue:
typeof GM_deleteValue == "function" ? GM_deleteValue : undefined,
GM_setValue: typeof GM_setValue == "function" ? GM_setValue : undefined,
GM_addStyle: typeof GM_addStyle == "function" ? GM_addStyle : undefined,
GM_xmlhttpRequest:
typeof GM_xmlhttpRequest == "function" ? GM_xmlhttpRequest : undefined,
GM_getResourceText:
typeof GM_getResourceText == "function" ? GM_getResourceText : undefined,
});
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