bgm-wiki-rev-diff

show diff between bgm.tv wiki versions
目前为 2022-10-02 提交的版本。查看最新版本。
Wrap lines
// ==UserScript==
// @name         bgm-wiki-rev-diff
// @name:zh      显示条目信息版本差异
// @namespace    https://trim21.me/
// @version      0.2.8
// @source       https://github.com/trim21/bgm-wiki-rev-diff
// @supportURL   https://github.com/trim21/bgm-wiki-rev-diff/issues
// @license      MIT
// @match        https://bgm.tv/subject/*/edit*
// @match        https://bangumi.tv/subject/*/edit*
// @match        https://chii.in/subject/*/edit*
// @require      https://cdn.jsdelivr.net/npm/[email protected]/dist/jquery.min.js
// @require      https://cdn.jsdelivr.net/npm/[email protected]/bundles/js/diff2html.min.js
// @require      https://cdn.jsdelivr.net/npm/[email protected]/dist/diff.min.js
// @require      https://cdn.jsdelivr.net/npm/[email protected]/lodash.min.js
// @resource     diff2html https://cdn.jsdelivr.net/npm/[email protected]/bundles/css/diff2html.min.css
// @grant        GM.getResourceUrl
// @grant        GM.registerMenuCommand
// @grant        GM.setValue
// @grant        GM.getValue
// @run-at       document-end
// @author       Trim21 <[email protected]>
// @description show diff between bgm.tv wiki versions
// ==/UserScript==


/******/ (() => { // webpackBootstrap
/******/ 	"use strict";
var __webpack_exports__ = {};

;// CONCATENATED MODULE: external "$"
const external_$_namespaceObject = $;
;// CONCATENATED MODULE: external "_"
const external_namespaceObject = _;
;// CONCATENATED MODULE: ./src/parser.ts


function parseRevDetails(html) {
  var _a, _b, _c;
  const jq = external_$_namespaceObject(html);
  const rawInfo = ((_a = jq.find("#subject_infobox").val()) == null ? void 0 : _a.toString()) ?? "";
  const title = ((_b = jq.find('input[name="subject_title"]').val()) == null ? void 0 : _b.toString()) ?? "";
  const description = ((_c = jq.find("textarea#subject_summary").val()) == null ? void 0 : _c.toString()) ?? "";
  return {
    title,
    rawInfo,
    description
  };
}
function parseRevEl(el) {
  const date = el.find("a:not(.compare-previous-trim21-cn)").first().html();
  const revEL = el.find('a.l:contains("恢复")');
  const revCommentEl = el.find("span.comment");
  let comment = "";
  if (revCommentEl.length > 0) {
    comment = revCommentEl.html();
    comment = comment.substring(1, comment.length - 1);
  }
  const revHref = revEL.attr("href");
  if (!revHref) {
    return void 0;
  }
  const revID = revHref.split("/").pop();
  if (!revID) {
    throw new Error(`can't parse rev id from ${revHref}`);
  }
  return {
    id: revID,
    comment,
    date,
    url: revHref
  };
}
function getRevs() {
  const revs = [];
  external_$_namespaceObject("#pagehistory li").each(function() {
    const rev = parseRevEl(external_$_namespaceObject(this));
    if (rev != null) {
      revs.push(rev);
    }
  });
  return revs;
}
function getRevInfo(revID) {
  for (const rev of getRevs()) {
    if (rev.id === revID) {
      return rev;
    }
  }
}

;// CONCATENATED MODULE: external "Diff2Html"
const external_Diff2Html_namespaceObject = Diff2Html;
;// CONCATENATED MODULE: ./src/config.ts

const configKey = "view-mode";

;// CONCATENATED MODULE: external "Diff"
const external_Diff_namespaceObject = Diff;
;// CONCATENATED MODULE: ./src/differ.ts


function diff(revOld, revNew, style) {
  const options = { context: 100 };
  if (style === "line-by-line") {
    options.context = 4;
  }
  return [
    titleDiff(revOld, revNew, options),
    infoDiff(revOld, revNew, options),
    descriptionDiff(revOld, revNew, options)
  ].join("\n");
}
function titleDiff(rev1, rev2, options) {
  if (rev1.details.title === rev2.details.title) {
    return "";
  }
  return external_Diff_namespaceObject.createPatch("条目名", rev1.details.title, rev2.details.title, rev1.rev.date, rev2.rev.date, options);
}
function infoDiff(rev1, rev2, options) {
  if (rev1.details.rawInfo === rev2.details.rawInfo) {
    return "";
  }
  return external_Diff_namespaceObject.createPatch(
    "相关信息",
    rev1.details.rawInfo,
    rev2.details.rawInfo,
    rev1.rev.date,
    rev2.rev.date,
    options
  );
}
function descriptionDiff(rev1, rev2, options) {
  if (rev1.details.description === rev2.details.description) {
    return "";
  }
  return external_Diff_namespaceObject.createPatch(
    "简介",
    rev1.details.description,
    rev2.details.description,
    rev1.rev.date,
    rev2.rev.date,
    options
  );
}

;// CONCATENATED MODULE: ./src/ui.ts





async function render(revOld, revNew) {
  var _a;
  let outputFormat = await GM.getValue(configKey);
  if (!outputFormat) {
    outputFormat = "line-by-line";
  }
  const patch = diff(revOld, revNew, outputFormat);
  const html = external_Diff2Html_namespaceObject.html(patch, { outputFormat });
  const elID = `show-diff-view-${outputFormat}`;
  show("");
  external_$_namespaceObject(`#${elID}`).html(html);
  (_a = document.getElementById(elID)) == null ? void 0 : _a.scrollIntoView({
    behavior: "smooth"
  });
}
function show(html) {
  external_$_namespaceObject("#show-diff-info").html(html);
}
function clear() {
  external_$_namespaceObject("#show-diff-view-line-by-line").html("");
  external_$_namespaceObject("#show-diff-view-side-by-side").html("");
  show("");
}

;// CONCATENATED MODULE: ./src/model.ts

class Commit {
  rev;
  details;
  constructor(rev, detail) {
    this.rev = rev;
    this.details = detail;
  }
}

;// CONCATENATED MODULE: ./src/compare.ts




function compare(revID1, revID2) {
  clear();
  show("<h2>loading versions...</h2>");
  const rev1 = getRevInfo(revID1);
  const rev2 = getRevInfo(revID2);
  if (rev1 == null) {
    throw new Error(`error finding ${revID1}`);
  }
  const ps = [fetchRev(rev1), fetchRev(rev2)];
  Promise.all(ps).then(async (values) => {
    return await render(values[1], values[0]);
  }).catch((e) => {
    console.error(e);
    show('<div style="color: red">获取历史修改失败，请刷新页面后重试</div>');
  });
}
const _cache = {};
async function fetchRev(rev) {
  if (rev == null) {
    return new Commit(
      {
        id: "0",
        comment: "",
        date: "",
        url: ""
      },
      {
        title: "",
        rawInfo: "",
        description: ""
      }
    );
  }
  if (!_cache[rev.id]) {
    const res = await fetch(rev.url);
    _cache[rev.id] = new Commit(rev, parseRevDetails(await res.text()));
  }
  return _cache[rev.id];
}

;// CONCATENATED MODULE: ./src/index.ts






async function main() {
  console.log("start bgm-wiki-rev-diff UserScript");
  await initUI();
}
const style = `
<style>
#show-diff-view-side-by-side {
  margin:0 auto;
  max-width: 100em;
}

.show-version-diff .d2h-code-line, .show-version-diff .d2h-code-side-line {
  width: calc(100% - 8em);
  padding-right: 0;
}

.show-version-diff .d2h-code-line-ctn {
  width: calc(100% - 8em);
}

#columnInSubjectA .rev-trim21-cn {
  margin: 0 0.2em;
}

ul#pagehistory > li > * {
  vertical-align: middle;
}
</style>
`;
async function initUI() {
  GM.registerMenuCommand("切换diff视图", function() {
    void (async () => {
      let outputFormat = await GM.getValue(configKey);
      if (!outputFormat || outputFormat === "side-by-side") {
        outputFormat = "line-by-line";
      } else {
        outputFormat = "side-by-side";
      }
      await GM.setValue(configKey, outputFormat);
    })();
  });
  external_$_namespaceObject("#headerSubject").after('<div id="show-diff-view-side-by-side" class="show-version-diff"></div>');
  external_$_namespaceObject("#columnInSubjectA > hr.board").after(
    style + '<div id="show-diff-view-line-by-line" class="show-version-diff"></div>'
  );
  external_$_namespaceObject("#columnInSubjectA .subtitle").after('<div id="show-diff-info"></div>');
  const diff2htmlStyle = await GM.getResourceUrl("diff2html");
  external_$_namespaceObject("head").append(style).append(`<link rel='stylesheet' type='text/css' href='${diff2htmlStyle}' />`);
  const s = external_$_namespaceObject("#pagehistory li");
  const revs = Array.from(s).map(function(e) {
    var _a;
    return (_a = parseRevEl(external_$_namespaceObject(e))) == null ? void 0 : _a.id;
  });
  s.each(function(index) {
    const el = external_$_namespaceObject(this);
    const id = revs[index];
    if (!id) {
      el.prepend('<span style="padding-right: 1.4em"> 无法参与比较 </span>');
      return;
    }
    el.prepend(`<input type='radio' class='rev-trim21-cn' name='rev-right' label='select to compare' value='${id}'>`);
    el.prepend(`<input type='radio' class='rev-trim21-cn' name='rev-left' label='select to compare' value='${id}'>`);
    const previous = external_namespaceObject.find(revs, Boolean, index + 1) ?? "";
    el.prepend(
      `(<a href='#' data-rev='${id}' data-previous='${previous}' class='l compare-previous-trim21-cn'>显示修改</a>) `
    );
  });
  const typeRevert = {
    "rev-left": "rev-right",
    "rev-right": "rev-left"
  };
  external_$_namespaceObject('input[type="radio"]').on("change", function(e) {
    const name = e.target.getAttribute("name");
    if (!name) {
      return;
    }
    const selectName = typeRevert[name];
    const rev = e.target.getAttribute("value");
    if (rev) {
      external_$_namespaceObject(`input[name="${selectName}"][value="${rev}"]`).css("visibility", "hidden");
      external_$_namespaceObject(`input[name="${selectName}"][value!="${rev}"]`).css("visibility", "visible");
    }
  });
  external_$_namespaceObject(".compare-previous-trim21-cn").on("click", function() {
    const el = external_$_namespaceObject(this);
    const left = String(el.data("rev"));
    const right = String(el.data("previous"));
    compare(left, right);
    external_$_namespaceObject(`input[name="rev-left"][value="${left}"]`).prop("checked", true);
    external_$_namespaceObject(`input[name="rev-left"][value!="${left}"]`).prop("checked", null);
    external_$_namespaceObject(`input[name="rev-right"][value="${left}"]`).css("visibility", "hidden");
    external_$_namespaceObject(`input[name="rev-right"][value!="${left}"]`).css("visibility", "visible");
    external_$_namespaceObject('input[name="rev-left"]').css("visibility", "visible");
    external_$_namespaceObject('input[name="rev-right"]').prop("checked", null);
    if (right) {
      external_$_namespaceObject(`input[name="rev-right"][value="${right}"]`).prop("checked", true);
      external_$_namespaceObject(`input[name="rev-left"][value="${right}"]`).css("visibility", "hidden");
    }
  });
  external_$_namespaceObject("#columnInSubjectA span.text").append('<a href="#" id="compare-trim21-cn" class="l"> > 比较选中的版本</a>');
  external_$_namespaceObject("#compare-trim21-cn").on("click", function() {
    const selectedRevs = getSelectedVersion();
    compare(selectedRevs[0], selectedRevs[1]);
  });
}
function getSelectedVersion() {
  const selectedVersion = [];
  const selectedRev = external_$_namespaceObject(".rev-trim21-cn:checked");
  if (selectedRev.length < 2) {
    window.alert("请选中两个版本进行比较");
    throw new Error();
  }
  selectedRev.each(function() {
    const val = external_$_namespaceObject(this).val();
    selectedVersion.push(val);
  });
  selectedVersion.sort((a, b) => parseInt(b) - parseInt(a));
  return selectedVersion;
}
main().catch(console.error);

/******/ })()
;
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