To be used among external libraries when testing other jsFiddle.net scripts
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.gf.qytechs.cn/scripts/375910/656390/Native%20implementation%20of%20a%20jsFiddlenet%20in-pane%20log%20console.js
// ==UserScript==
// @name Native implementation of a jsFiddle.net in-pane log console
// @version 0.1.0
// @description To be used among external libraries when testing other jsFiddle.net scripts
// @namespace https://gf.qytechs.cn/en/users/15562
// @author Jonathan Brochu (https://gf.qytechs.cn/en/users/15562)
// @license GPLv3 or later (http://www.gnu.org/licenses/gpl-3.0.en.html)
// @include https://jsfiddle.net/*
// @grant GM_addStyle
// ==/UserScript==
/***
* History:
*
* 0.1.0 First implementation, based on own's previous work. (2018-12-24)
*
*/
// Helpers, implemented on Element/Document/DocumentFragment.prototype
(function (arrTargets, arrSpecs) {
var __fn__ = 'function',
__und__ = 'undefined';
arrTargets.forEach(function (target) {
arrSpecs.forEach(function (spec) {
if (typeof spec.prop === __und__) {
return;
}
if (typeof spec.impl === __und__) {
return;
}
var propName = spec.prop,
propImpl = spec.impl;
accessors = spec.accessors.split('|'),
getArgCount = spec.getArgCount || spec.setArgCount-1 || 0,
readOnly = (typeof spec.readOnly !== __und__ ? spec.readOnly : false);
if (target.hasOwnProperty(propName)) {
return;
}
if (typeof propImpl !== __fn__) {
return;
}
var desc = {
configurable: true,
enumerable: true,
writable: !readOnly
};
['get', 'set', 'value'].forEach(function(item) {
if (accessors.indexOf(item) == -1) return;
switch(item) {
case 'get': desc[item] = function() {
return (typeof propImpl === __fn__ ? propImpl.apply(this, arguments) : propImpl);
}; break;
case 'set': desc[item] = function() {
return (typeof propImpl === __fn__ ? propImpl.apply(this, arguments) : propImpl);
}; break;
default: desc[item] = propImpl;
}
});
if (typeof desc.get !== __und__) {
delete desc.value;
delete desc.writable;
}
if (typeof desc.set !== __und__) {
delete desc.writable;
}
Object.defineProperty(target, propName, desc);
});
});
})(
[Element.prototype, Document.prototype, DocumentFragment.prototype],
[
{
/*
* Source: https://developer.mozilla.org/en-US/docs/Web/API/ParentNode/append
* Original Source: https://github.com/jserz/js_piece/blob/master/DOM/ParentNode/append()/append().md
*/
prop: 'append',
accessors: 'value',
impl: function append() {
console.$nativeImpl.log('.append() { console.log(this); } => ' + this);
var argArr = Array.prototype.slice.call(arguments),
docFrag = document.createDocumentFragment();
argArr.forEach(function (argItem) {
var isNode = argItem instanceof Node;
docFrag.appendChild(isNode ? argItem : document.createTextNode(String(argItem)));
});
this.appendChild(docFrag);
return this;
}
},
{
prop: 'empty',
accessors: 'value',
impl: function empty() {
while (this.childNodes.length) this.removeChild(this.firstChild);
return this;
}
},
{
prop: 'html',
accessors: 'value',
impl: function html() {
if (arguments.length) {
switch(typeof arguments[0]) {
case 'string':
this.innerHTML = arguments[0];
break;
default:
this.empty();
this.append(arguments[0]);
}
return this;
} else {
return this.innerHTML;
}
}
}
]
);
// doc.gEBI() & createElementFromHTML() Wrapper
$ = function() {
if (!arguments.length) return;
if (typeof arguments[0] === 'string') {
var arg = arguments[0];
if (/\s/.test(arg)) {
/*
* function createElementFromHTML()
* Source: https://stackoverflow.com/a/494348/3865919
* Author: Crescent Fresh <https://stackoverflow.com/users/45433/crescent-fresh>
*/
try {
var tmpDiv = document.createElement('div');
tmpDiv.innerHTML = arg.trim();
return tmpDiv.firstChild;
} catch(e) {
return null;
}
} else {
return document.getElementById(arg);
}
} else if (arguments[0] instanceof Element) {
return arguments[0];
} else return null;
};
$.addCSS = function(css, media) {
/*
* Rewrite of own's addStyle() using code from...
* Source: https://stackoverflow.com/a/524721
* Author: Christoph <https://stackoverflow.com/users/48015/christoph>
*/
if (typeof(GM_addStyle) !== 'undefined' && !media) {
GM_addStyle(css);
} else {
if (!media) { media = 'all'; }
var head = document.head || document.getElementsByTagName('head')[0],
styleNode = document.createElement('style');
styleNode.type = 'text/css';
if (media) styleNode.media = media;
if (styleNode.styleSheet){
// This is required for IE8 and below.
styleNode.styleSheet.cssText = css;
} else {
styleNode.appendChild(document.createTextNode(css));
}
head.appendChild(styleNode);
}
};
// console.{} implementation
(function(_) {
// make sure we don't override native implementation more than once
if (_.console.clear.toString() !== 'function clear() { [native code] }') { return; }
var __fn__ = 'function',
consoleId = 'console-log',
consoleLine = '<p id="%" class="*-line"></p>',
_console = _.console || {},
methods = ['log', 'info', 'warn', 'error', 'trace'];
_.console = {
$init: function() {
if ($(consoleId)) { return; }
var container = '<div id="console-log" class="scrollbar"></div>',
css =
'body {\n' +
' /*background: #1F252D;\n*/' +
'}\n' +
'#console-log {\n' +
' font-family: "SF Mono", Monaco, "Andale Mono", "Lucida Console", "Bitstream Vera Sans Mono", "Courier New", Courier, monospace;\n' +
' font-size: 12px;\n' +
' font-variant-ligatures: contextual;\n' +
' color: rgb(207, 208, 210);\n' +
' background: #313B47;\n' +
' border: 3px solid #1B2027;\n' +
' border-radius: 5px;\n' +
' padding: 10px; \n' +
' margin: 5px;\n' +
' width: 93%;\n' +
' min-height: 50px;\n' +
' max-height: 150px;\n' +
' position: absolute;\n' +
' bottom: 5px;\n' +
' overflow: scroll;\n' +
'}\n' +
'.log-line,\n' +
'.info-line,\n' +
'.warn-line,\n' +
'.error-line,\n' +
'.trace-line {\n' +
' font-family: monospace;\n' +
' margin: 2px;\n' +
' white-space: nowrap;\n' +
'}\n' +
'.log-line {\n' +
' color: rgb(207, 208, 210);\n' +
'}\n' +
'.info-line {\n' +
' color: #6ce890;\n' +
'}\n' +
'.warn-line {\n' +
' color: #f8b068;\n' +
'}\n' +
'.error-line {\n' +
' color: #ff4f68;\n' +
' font-weight: bold;\n' +
'}\n' +
'.trace-line {\n' +
' color: #b896ed;\n' +
'}\n' +
'#console-log.scrollbar::-webkit-scrollbar-track {\n' +
' -webkit-box-shadow: inset 0 0 4px rgba(0,0,0,0.3);\n' +
' border-radius: 5px;\n' +
' background-color: #313B47;\n' +
'}\n' +
'#console-log.scrollbar::-webkit-scrollbar {\n' +
' width: 10px;\n' +
' height: 10px;\n' +
' background-color: #313B47;\n' +
'}\n' +
'#console-log.scrollbar::-webkit-scrollbar-thumb {\n' +
' border-radius: 5px;\n' +
' -webkit-box-shadow: inset 0 0 4px rgba(0,0,0,.3);\n' +
' background-color: #262E38;\n' +
'}\n' +
'#console-log.scrollbar::-webkit-scrollbar-corner {\n' +
' background: #262E38;\n' +
'}\n',
body = document.body || document.getElementsByTagName('body')[0];
$.addCSS(css);
body.append($(container));
},
$typedLog: function(logMethod, text) {
if (methods.indexOf(logMethod) == -1) { return; }
if (!this.$enabled) { return; }
this.$init();
var consoleEl = $(consoleId),
lineHTML = consoleLine
.replace(/\*.{0}/, logMethod)
.replace(/\%/, 'console-line-'+this.$lineCounter),
newLineEl = $(lineHTML);
newLineEl.html(text);
consoleEl.append(newLineEl);
consoleEl.scrollTop = consoleEl.scrollHeight;
this.$lineCounter++;
},
$enabled: true,
$echoNative: false,
$lineCounter: 0,
$nativeImpl: _console,
clear: function() {
this.$init();
$(consoleId).empty();
}
};
for (var prop in _.console) {
if (!Object.prototype.hasOwnProperty.call(_.console, prop)) continue;
if (typeof _.console[prop] !== __fn__) continue;
_.console[prop] = _.console[prop].bind(_.console);
}
methods.forEach(function(method) {
_.console[method] = function() { this.$typedLog(method, Array.prototype.slice.call(arguments).join(' ')); }.bind(_.console);
});
var doEcho = function(method, args) {
if (!this.$echoNative && this.$enabled) { return; }
if (typeof _console.clear !== __fn__ ) { return; }
if (typeof _console[method] !== __fn__ ) { return; }
_console[method].apply(this, args);
}.bind(_.console);
// wrap methods to include echo calls
(function(target) {
for (var prop in target) {
if (!Object.prototype.hasOwnProperty.call(target, prop)) continue;
if (typeof target[prop] !== __fn__) continue;
if (target[prop].$extended) continue;
if (prop.charAt(0) === '$') continue;
target[prop] = (function(){
var _prop = prop,
_fn = target[prop];
return function() {
doEcho(_prop, Array.prototype.slice.call(arguments));
_fn.apply(_fn, arguments);
};
})();
target[prop].$extended = true;
}
})(_.console);
})(window);
/*
* Examples:
*
console.$echoNative = true;
console.clear();
console.log("Hello console");
console.info("Need some info?");
console.warn("I might not have what you need though");
console.error("ERROR: Data not found!!");
console.trace("This is somevery long line of unnecessary text his is somevery long line of unnecessary text his is somevery long line of unnecessary text");
*/
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