llh-pdf/pdfjs/web/viewer.mjs

一个基于 Vue3 的 PDF 预览组件，集成了 PDF.js，提供了丰富的 PDF 预览功能。

/**
 * @licstart The following is the entire license notice for the
 * JavaScript code in this page
 *
 * Copyright 2023 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * JavaScript code in this page
 */

/******/ var __webpack_modules__ = ({

/***/ 588:
/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {


// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  FluentBundle: () => (/* reexport */ FluentBundle),
  FluentResource: () => (/* reexport */ FluentResource)
});
function defer() {
  let resolve;
  let reject;
  const promise = new Promise((_resolve, _reject) => {
      resolve = _resolve;
      reject = _reject;
  });
  return { resolve, reject, promise };
}
Promise.withResolvers = defer;
function at(n) {
  // Convert the argument to an integer
  n = Math.trunc(n) || 0; // 去掉小数点
  // Allow negative indexing from the end
  if (n < 0) n += this.length;
  // Out-of-bounds access returns undefined
  if (n < 0 || n >= this.length) return undefined;
  // Otherwise, this is just normal property access
  return this[n];
}
Array.prototype.at = at;
// UNUSED EXPORTS: FluentDateTime, FluentNone, FluentNumber, FluentType

;// CONCATENATED MODULE: ./node_modules/@fluent/bundle/esm/types.js
class FluentType {
  constructor(value) {
    this.value = value;
  }
  valueOf() {
    return this.value;
  }
}
class FluentNone extends FluentType {
  constructor(value = "???") {
    super(value);
  }
  toString(scope) {
    return `{${this.value}}`;
  }
}
class FluentNumber extends FluentType {
  constructor(value, opts = {}) {
    super(value);
    this.opts = opts;
  }
  toString(scope) {
    try {
      const nf = scope.memoizeIntlObject(Intl.NumberFormat, this.opts);
      return nf.format(this.value);
    } catch (err) {
      scope.reportError(err);
      return this.value.toString(10);
    }
  }
}
class FluentDateTime extends FluentType {
  constructor(value, opts = {}) {
    super(value);
    this.opts = opts;
  }
  toString(scope) {
    try {
      const dtf = scope.memoizeIntlObject(Intl.DateTimeFormat, this.opts);
      return dtf.format(this.value);
    } catch (err) {
      scope.reportError(err);
      return new Date(this.value).toISOString();
    }
  }
}
;// CONCATENATED MODULE: ./node_modules/@fluent/bundle/esm/resolver.js

const MAX_PLACEABLES = 100;
const FSI = "\u2068";
const PDI = "\u2069";
function match(scope, selector, key) {
  if (key === selector) {
    return true;
  }
  if (key instanceof FluentNumber && selector instanceof FluentNumber && key.value === selector.value) {
    return true;
  }
  if (selector instanceof FluentNumber && typeof key === "string") {
    let category = scope.memoizeIntlObject(Intl.PluralRules, selector.opts).select(selector.value);
    if (key === category) {
      return true;
    }
  }
  return false;
}
function getDefault(scope, variants, star) {
  if (variants[star]) {
    return resolvePattern(scope, variants[star].value);
  }
  scope.reportError(new RangeError("No default"));
  return new FluentNone();
}
function getArguments(scope, args) {
  const positional = [];
  const named = Object.create(null);
  for (const arg of args) {
    if (arg.type === "narg") {
      named[arg.name] = resolveExpression(scope, arg.value);
    } else {
      positional.push(resolveExpression(scope, arg));
    }
  }
  return {
    positional,
    named
  };
}
function resolveExpression(scope, expr) {
  switch (expr.type) {
    case "str":
      return expr.value;
    case "num":
      return new FluentNumber(expr.value, {
        minimumFractionDigits: expr.precision
      });
    case "var":
      return resolveVariableReference(scope, expr);
    case "mesg":
      return resolveMessageReference(scope, expr);
    case "term":
      return resolveTermReference(scope, expr);
    case "func":
      return resolveFunctionReference(scope, expr);
    case "select":
      return resolveSelectExpression(scope, expr);
    default:
      return new FluentNone();
  }
}
function resolveVariableReference(scope, {
  name
}) {
  let arg;
  if (scope.params) {
    if (Object.prototype.hasOwnProperty.call(scope.params, name)) {
      arg = scope.params[name];
    } else {
      return new FluentNone(`$${name}`);
    }
  } else if (scope.args && Object.prototype.hasOwnProperty.call(scope.args, name)) {
    arg = scope.args[name];
  } else {
    scope.reportError(new ReferenceError(`Unknown variable: $${name}`));
    return new FluentNone(`$${name}`);
  }
  if (arg instanceof FluentType) {
    return arg;
  }
  switch (typeof arg) {
    case "string":
      return arg;
    case "number":
      return new FluentNumber(arg);
    case "object":
      if (arg instanceof Date) {
        return new FluentDateTime(arg.getTime());
      }
    default:
      scope.reportError(new TypeError(`Variable type not supported: $${name}, ${typeof arg}`));
      return new FluentNone(`$${name}`);
  }
}
function resolveMessageReference(scope, {
  name,
  attr
}) {
  const message = scope.bundle._messages.get(name);
  if (!message) {
    scope.reportError(new ReferenceError(`Unknown message: ${name}`));
    return new FluentNone(name);
  }
  if (attr) {
    const attribute = message.attributes[attr];
    if (attribute) {
      return resolvePattern(scope, attribute);
    }
    scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
    return new FluentNone(`${name}.${attr}`);
  }
  if (message.value) {
    return resolvePattern(scope, message.value);
  }
  scope.reportError(new ReferenceError(`No value: ${name}`));
  return new FluentNone(name);
}
function resolveTermReference(scope, {
  name,
  attr,
  args
}) {
  const id = `-${name}`;
  const term = scope.bundle._terms.get(id);
  if (!term) {
    scope.reportError(new ReferenceError(`Unknown term: ${id}`));
    return new FluentNone(id);
  }
  if (attr) {
    const attribute = term.attributes[attr];
    if (attribute) {
      scope.params = getArguments(scope, args).named;
      const resolved = resolvePattern(scope, attribute);
      scope.params = null;
      return resolved;
    }
    scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
    return new FluentNone(`${id}.${attr}`);
  }
  scope.params = getArguments(scope, args).named;
  const resolved = resolvePattern(scope, term.value);
  scope.params = null;
  return resolved;
}
function resolveFunctionReference(scope, {
  name,
  args
}) {
  let func = scope.bundle._functions[name];
  if (!func) {
    scope.reportError(new ReferenceError(`Unknown function: ${name}()`));
    return new FluentNone(`${name}()`);
  }
  if (typeof func !== "function") {
    scope.reportError(new TypeError(`Function ${name}() is not callable`));
    return new FluentNone(`${name}()`);
  }
  try {
    let resolved = getArguments(scope, args);
    return func(resolved.positional, resolved.named);
  } catch (err) {
    scope.reportError(err);
    return new FluentNone(`${name}()`);
  }
}
function resolveSelectExpression(scope, {
  selector,
  variants,
  star
}) {
  let sel = resolveExpression(scope, selector);
  if (sel instanceof FluentNone) {
    return getDefault(scope, variants, star);
  }
  for (const variant of variants) {
    const key = resolveExpression(scope, variant.key);
    if (match(scope, sel, key)) {
      return resolvePattern(scope, variant.value);
    }
  }
  return getDefault(scope, variants, star);
}
function resolveComplexPattern(scope, ptn) {
  if (scope.dirty.has(ptn)) {
    scope.reportError(new RangeError("Cyclic reference"));
    return new FluentNone();
  }
  scope.dirty.add(ptn);
  const result = [];
  const useIsolating = scope.bundle._useIsolating && ptn.length > 1;
  for (const elem of ptn) {
    if (typeof elem === "string") {
      result.push(scope.bundle._transform(elem));
      continue;
    }
    scope.placeables++;
    if (scope.placeables > MAX_PLACEABLES) {
      scope.dirty.delete(ptn);
      throw new RangeError(`Too many placeables expanded: ${scope.placeables}, ` + `max allowed is ${MAX_PLACEABLES}`);
    }
    if (useIsolating) {
      result.push(FSI);
    }
    result.push(resolveExpression(scope, elem).toString(scope));
    if (useIsolating) {
      result.push(PDI);
    }
  }
  scope.dirty.delete(ptn);
  return result.join("");
}
function resolvePattern(scope, value) {
  if (typeof value === "string") {
    return scope.bundle._transform(value);
  }
  return resolveComplexPattern(scope, value);
}
;// CONCATENATED MODULE: ./node_modules/@fluent/bundle/esm/scope.js
class Scope {
  constructor(bundle, errors, args) {
    this.dirty = new WeakSet();
    this.params = null;
    this.placeables = 0;
    this.bundle = bundle;
    this.errors = errors;
    this.args = args;
  }
  reportError(error) {
    if (!this.errors || !(error instanceof Error)) {
      throw error;
    }
    this.errors.push(error);
  }
  memoizeIntlObject(ctor, opts) {
    let cache = this.bundle._intls.get(ctor);
    if (!cache) {
      cache = {};
      this.bundle._intls.set(ctor, cache);
    }
    let id = JSON.stringify(opts);
    if (!cache[id]) {
      cache[id] = new ctor(this.bundle.locales, opts);
    }
    return cache[id];
  }
}
;// CONCATENATED MODULE: ./node_modules/@fluent/bundle/esm/builtins.js

function values(opts, allowed) {
  const unwrapped = Object.create(null);
  for (const [name, opt] of Object.entries(opts)) {
    if (allowed.includes(name)) {
      unwrapped[name] = opt.valueOf();
    }
  }
  return unwrapped;
}
const NUMBER_ALLOWED = ["unitDisplay", "currencyDisplay", "useGrouping", "minimumIntegerDigits", "minimumFractionDigits", "maximumFractionDigits", "minimumSignificantDigits", "maximumSignificantDigits"];
function NUMBER(args, opts) {
  let arg = args[0];
  if (arg instanceof FluentNone) {
    return new FluentNone(`NUMBER(${arg.valueOf()})`);
  }
  if (arg instanceof FluentNumber) {
    return new FluentNumber(arg.valueOf(), {
      ...arg.opts,
      ...values(opts, NUMBER_ALLOWED)
    });
  }
  if (arg instanceof FluentDateTime) {
    return new FluentNumber(arg.valueOf(), {
      ...values(opts, NUMBER_ALLOWED)
    });
  }
  throw new TypeError("Invalid argument to NUMBER");
}
const DATETIME_ALLOWED = ["dateStyle", "timeStyle", "fractionalSecondDigits", "dayPeriod", "hour12", "weekday", "era", "year", "month", "day", "hour", "minute", "second", "timeZoneName"];
function DATETIME(args, opts) {
  let arg = args[0];
  if (arg instanceof FluentNone) {
    return new FluentNone(`DATETIME(${arg.valueOf()})`);
  }
  if (arg instanceof FluentDateTime) {
    return new FluentDateTime(arg.valueOf(), {
      ...arg.opts,
      ...values(opts, DATETIME_ALLOWED)
    });
  }
  if (arg instanceof FluentNumber) {
    return new FluentDateTime(arg.valueOf(), {
      ...values(opts, DATETIME_ALLOWED)
    });
  }
  throw new TypeError("Invalid argument to DATETIME");
}
;// CONCATENATED MODULE: ./node_modules/@fluent/bundle/esm/memoizer.js
const cache = new Map();
function getMemoizerForLocale(locales) {
  const stringLocale = Array.isArray(locales) ? locales.join(" ") : locales;
  let memoizer = cache.get(stringLocale);
  if (memoizer === undefined) {
    memoizer = new Map();
    cache.set(stringLocale, memoizer);
  }
  return memoizer;
}
;// CONCATENATED MODULE: ./node_modules/@fluent/bundle/esm/bundle.js





class FluentBundle {
  constructor(locales, {
    functions,
    useIsolating = true,
    transform = v => v
  } = {}) {
    this._terms = new Map();
    this._messages = new Map();
    this.locales = Array.isArray(locales) ? locales : [locales];
    this._functions = {
      NUMBER: NUMBER,
      DATETIME: DATETIME,
      ...functions
    };
    this._useIsolating = useIsolating;
    this._transform = transform;
    this._intls = getMemoizerForLocale(locales);
  }
  hasMessage(id) {
    return this._messages.has(id);
  }
  getMessage(id) {
    return this._messages.get(id);
  }
  addResource(res, {
    allowOverrides = false
  } = {}) {
    const errors = [];
    for (let i = 0; i < res.body.length; i++) {
      let entry = res.body[i];
      if (entry.id.startsWith("-")) {
        if (allowOverrides === false && this._terms.has(entry.id)) {
          errors.push(new Error(`Attempt to override an existing term: "${entry.id}"`));
          continue;
        }
        this._terms.set(entry.id, entry);
      } else {
        if (allowOverrides === false && this._messages.has(entry.id)) {
          errors.push(new Error(`Attempt to override an existing message: "${entry.id}"`));
          continue;
        }
        this._messages.set(entry.id, entry);
      }
    }
    return errors;
  }
  formatPattern(pattern, args = null, errors = null) {
    if (typeof pattern === "string") {
      return this._transform(pattern);
    }
    let scope = new Scope(this, errors, args);
    try {
      let value = resolveComplexPattern(scope, pattern);
      return value.toString(scope);
    } catch (err) {
      if (scope.errors && err instanceof Error) {
        scope.errors.push(err);
        return new FluentNone().toString(scope);
      }
      throw err;
    }
  }
}
;// CONCATENATED MODULE: ./node_modules/@fluent/bundle/esm/resource.js
const RE_MESSAGE_START = /^(-?[a-zA-Z][\w-]*) *= */gm;
const RE_ATTRIBUTE_START = /\.([a-zA-Z][\w-]*) *= */y;
const RE_VARIANT_START = /\*?\[/y;
const RE_NUMBER_LITERAL = /(-?[0-9]+(?:\.([0-9]+))?)/y;
const RE_IDENTIFIER = /([a-zA-Z][\w-]*)/y;
const RE_REFERENCE = /([$-])?([a-zA-Z][\w-]*)(?:\.([a-zA-Z][\w-]*))?/y;
const RE_FUNCTION_NAME = /^[A-Z][A-Z0-9_-]*$/;
const RE_TEXT_RUN = /([^{}\n\r]+)/y;
const RE_STRING_RUN = /([^\\"\n\r]*)/y;
const RE_STRING_ESCAPE = /\\([\\"])/y;
const RE_UNICODE_ESCAPE = /\\u([a-fA-F0-9]{4})|\\U([a-fA-F0-9]{6})/y;
const RE_LEADING_NEWLINES = /^\n+/;
const RE_TRAILING_SPACES = / +$/;
const RE_BLANK_LINES = / *\r?\n/g;
const RE_INDENT = /( *)$/;
const TOKEN_BRACE_OPEN = /{\s*/y;
const TOKEN_BRACE_CLOSE = /\s*}/y;
const TOKEN_BRACKET_OPEN = /\[\s*/y;
const TOKEN_BRACKET_CLOSE = /\s*] */y;
const TOKEN_PAREN_OPEN = /\s*\(\s*/y;
const TOKEN_ARROW = /\s*->\s*/y;
const TOKEN_COLON = /\s*:\s*/y;
const TOKEN_COMMA = /\s*,?\s*/y;
const TOKEN_BLANK = /\s+/y;
class FluentResource {
  constructor(source) {
    this.body = [];
    RE_MESSAGE_START.lastIndex = 0;
    let cursor = 0;
    while (true) {
      let next = RE_MESSAGE_START.exec(source);
      if (next === null) {
        break;
      }
      cursor = RE_MESSAGE_START.lastIndex;
      try {
        this.body.push(parseMessage(next[1]));
      } catch (err) {
        if (err instanceof SyntaxError) {
          continue;
        }
        throw err;
      }
    }
    function test(re) {
      re.lastIndex = cursor;
      return re.test(source);
    }
    function consumeChar(char, errorClass) {
      if (source[cursor] === char) {
        cursor++;
        return true;
      }
      if (errorClass) {
        throw new errorClass(`Expected ${char}`);
      }
      return false;
    }
    function consumeToken(re, errorClass) {
      if (test(re)) {
        cursor = re.lastIndex;
        return true;
      }
      if (errorClass) {
        throw new errorClass(`Expected ${re.toString()}`);
      }
      return false;
    }
    function match(re) {
      re.lastIndex = cursor;
      let result = re.exec(source);
      if (result === null) {
        throw new SyntaxError(`Expected ${re.toString()}`);
      }
      cursor = re.lastIndex;
      return result;
    }
    function match1(re) {
      return match(re)[1];
    }
    function parseMessage(id) {
      let value = parsePattern();
      let attributes = parseAttributes();
      if (value === null && Object.keys(attributes).length === 0) {
        throw new SyntaxError("Expected message value or attributes");
      }
      return {
        id,
        value,
        attributes
      };
    }
    function parseAttributes() {
      let attrs = Object.create(null);
      while (test(RE_ATTRIBUTE_START)) {
        let name = match1(RE_ATTRIBUTE_START);
        let value = parsePattern();
        if (value === null) {
          throw new SyntaxError("Expected attribute value");
        }
        attrs[name] = value;
      }
      return attrs;
    }
    function parsePattern() {
      let first;
      if (test(RE_TEXT_RUN)) {
        first = match1(RE_TEXT_RUN);
      }
      if (source[cursor] === "{" || source[cursor] === "}") {
        return parsePatternElements(first ? [first] : [], Infinity);
      }
      let indent = parseIndent();
      if (indent) {
        if (first) {
          return parsePatternElements([first, indent], indent.length);
        }
        indent.value = trim(indent.value, RE_LEADING_NEWLINES);
        return parsePatternElements([indent], indent.length);
      }
      if (first) {
        return trim(first, RE_TRAILING_SPACES);
      }
      return null;
    }
    function parsePatternElements(elements = [], commonIndent) {
      while (true) {
        if (test(RE_TEXT_RUN)) {
          elements.push(match1(RE_TEXT_RUN));
          continue;
        }
        if (source[cursor] === "{") {
          elements.push(parsePlaceable());
          continue;
        }
        if (source[cursor] === "}") {
          throw new SyntaxError("Unbalanced closing brace");
        }
        let indent = parseIndent();
        if (indent) {
          elements.push(indent);
          commonIndent = Math.min(commonIndent, indent.length);
          continue;
        }
        break;
      }
      let lastIndex = elements.length - 1;
      let lastElement = elements[lastIndex];
      if (typeof lastElement === "string") {
        elements[lastIndex] = trim(lastElement, RE_TRAILING_SPACES);
      }
      let baked = [];
      for (let element of elements) {
        if (element instanceof Indent) {
          element = element.value.slice(0, element.value.length - commonIndent);
        }
        if (element) {
          baked.push(element);
        }
      }
      return baked;
    }
    function parsePlaceable() {
      consumeToken(TOKEN_BRACE_OPEN, SyntaxError);
      let selector = parseInlineExpression();
      if (consumeToken(TOKEN_BRACE_CLOSE)) {
        return selector;
      }
      if (consumeToken(TOKEN_ARROW)) {
        let variants = parseVariants();
        consumeToken(TOKEN_BRACE_CLOSE, SyntaxError);
        return {
          type: "select",
          selector,
          ...variants
        };
      }
      throw new SyntaxError("Unclosed placeable");
    }
    function parseInlineExpression() {
      if (source[cursor] === "{") {
        return parsePlaceable();
      }
      if (test(RE_REFERENCE)) {
        let [, sigil, name, attr = null] = match(RE_REFERENCE);
        if (sigil === "$") {
          return {
            type: "var",
            name
          };
        }
        if (consumeToken(TOKEN_PAREN_OPEN)) {
          let args = parseArguments();
          if (sigil === "-") {
            return {
              type: "term",
              name,
              attr,
              args
            };
          }
          if (RE_FUNCTION_NAME.test(name)) {
            return {
              type: "func",
              name,
              args
            };
          }
          throw new SyntaxError("Function names must be all upper-case");
        }
        if (sigil === "-") {
          return {
            type: "term",
            name,
            attr,
            args: []
          };
        }
        return {
          type: "mesg",
          name,
          attr
        };
      }
      return parseLiteral();
    }
    function parseArguments() {
      let args = [];
      while (true) {
        switch (source[cursor]) {
          case ")":
            cursor++;
            return args;
          case undefined:
            throw new SyntaxError("Unclosed argument list");
        }
        args.push(parseArgument());
        consumeToken(TOKEN_COMMA);
      }
    }
    function parseArgument() {
      let expr = parseInlineExpression();
      if (expr.type !== "mesg") {
        return expr;
      }
      if (consumeToken(TOKEN_COLON)) {
        return {
          type: "narg",
          name: expr.name,
          value: parseLiteral()
        };
      }
      return expr;
    }
    function parseVariants() {
      let variants = [];
      let count = 0;
      let star;
      while (test(RE_VARIANT_START)) {
        if (consumeChar("*")) {
          star = count;
        }
        let key = parseVariantKey();
        let value = parsePattern();
        if (value === null) {
          throw new SyntaxError("Expected variant value");
        }
        variants[count++] = {
          key,
          value
        };
      }
      if (count === 0) {
        return null;
      }
      if (star === undefined) {
        throw new SyntaxError("Expected default variant");
      }
      return {
        variants,
        star
      };
    }
    function parseVariantKey() {
      consumeToken(TOKEN_BRACKET_OPEN, SyntaxError);
      let key;
      if (test(RE_NUMBER_LITERAL)) {
        key = parseNumberLiteral();
      } else {
        key = {
          type: "str",
          value: match1(RE_IDENTIFIER)
        };
      }
      consumeToken(TOKEN_BRACKET_CLOSE, SyntaxError);
      return key;
    }
    function parseLiteral() {
      if (test(RE_NUMBER_LITERAL)) {
        return parseNumberLiteral();
      }
      if (source[cursor] === '"') {
        return parseStringLiteral();
      }
      throw new SyntaxError("Invalid expression");
    }
    function parseNumberLiteral() {
      let [, value, fraction = ""] = match(RE_NUMBER_LITERAL);
      let precision = fraction.length;
      return {
        type: "num",
        value: parseFloat(value),
        precision
      };
    }
    function parseStringLiteral() {
      consumeChar('"', SyntaxError);
      let value = "";
      while (true) {
        value += match1(RE_STRING_RUN);
        if (source[cursor] === "\\") {
          value += parseEscapeSequence();
          continue;
        }
        if (consumeChar('"')) {
          return {
            type: "str",
            value
          };
        }
        throw new SyntaxError("Unclosed string literal");
      }
    }
    function parseEscapeSequence() {
      if (test(RE_STRING_ESCAPE)) {
        return match1(RE_STRING_ESCAPE);
      }
      if (test(RE_UNICODE_ESCAPE)) {
        let [, codepoint4, codepoint6] = match(RE_UNICODE_ESCAPE);
        let codepoint = parseInt(codepoint4 || codepoint6, 16);
        return codepoint <= 0xd7ff || 0xe000 <= codepoint ? String.fromCodePoint(codepoint) : "�";
      }
      throw new SyntaxError("Unknown escape sequence");
    }
    function parseIndent() {
      let start = cursor;
      consumeToken(TOKEN_BLANK);
      switch (source[cursor]) {
        case ".":
        case "[":
        case "*":
        case "}":
        case undefined:
          return false;
        case "{":
          return makeIndent(source.slice(start, cursor));
      }
      if (source[cursor - 1] === " ") {
        return makeIndent(source.slice(start, cursor));
      }
      return false;
    }
    function trim(text, re) {
      return text.replace(re, "");
    }
    function makeIndent(blank) {
      let value = blank.replace(RE_BLANK_LINES, "\n");
      let length = RE_INDENT.exec(blank)[1].length;
      return new Indent(value, length);
    }
  }
}
class Indent {
  constructor(value, length) {
    this.value = value;
    this.length = length;
  }
}
;// CONCATENATED MODULE: ./node_modules/@fluent/bundle/esm/index.js




/***/ }),

/***/ 5273:
/***/ ((__unused_webpack___webpack_module__, __webpack_exports__, __webpack_require__) => {


// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  DOMLocalization: () => (/* reexport */ DOMLocalization)
});

// UNUSED EXPORTS: Localization

;// CONCATENATED MODULE: ./node_modules/@fluent/dom/esm/overlay.js
const reOverlay = /<|&#?\w+;/;
const TEXT_LEVEL_ELEMENTS = {
  "http://www.w3.org/1999/xhtml": ["em", "strong", "small", "s", "cite", "q", "dfn", "abbr", "data", "time", "code", "var", "samp", "kbd", "sub", "sup", "i", "b", "u", "mark", "bdi", "bdo", "span", "br", "wbr"]
};
const LOCALIZABLE_ATTRIBUTES = {
  "http://www.w3.org/1999/xhtml": {
    global: ["title", "aria-label", "aria-valuetext"],
    a: ["download"],
    area: ["download", "alt"],
    input: ["alt", "placeholder"],
    menuitem: ["label"],
    menu: ["label"],
    optgroup: ["label"],
    option: ["label"],
    track: ["label"],
    img: ["alt"],
    textarea: ["placeholder"],
    th: ["abbr"]
  },
  "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul": {
    global: ["accesskey", "aria-label", "aria-valuetext", "label", "title", "tooltiptext"],
    description: ["value"],
    key: ["key", "keycode"],
    label: ["value"],
    textbox: ["placeholder", "value"]
  }
};
function translateElement(element, translation) {
  const {
    value
  } = translation;
  if (typeof value === "string") {
    if (element.localName === "title" && element.namespaceURI === "http://www.w3.org/1999/xhtml") {
      element.textContent = value;
    } else if (!reOverlay.test(value)) {
      element.textContent = value;
    } else {
      const templateElement = element.ownerDocument.createElementNS("http://www.w3.org/1999/xhtml", "template");
      templateElement.innerHTML = value;
      overlayChildNodes(templateElement.content, element);
    }
  }
  overlayAttributes(translation, element);
}
function overlayChildNodes(fromFragment, toElement) {
  for (const childNode of fromFragment.childNodes) {
    if (childNode.nodeType === childNode.TEXT_NODE) {
      continue;
    }
    if (childNode.hasAttribute("data-l10n-name")) {
      const sanitized = getNodeForNamedElement(toElement, childNode);
      fromFragment.replaceChild(sanitized, childNode);
      continue;
    }
    if (isElementAllowed(childNode)) {
      const sanitized = createSanitizedElement(childNode);
      fromFragment.replaceChild(sanitized, childNode);
      continue;
    }
    console.warn(`An element of forbidden type "${childNode.localName}" was found in ` + "the translation. Only safe text-level elements and elements with " + "data-l10n-name are allowed.");
    fromFragment.replaceChild(createTextNodeFromTextContent(childNode), childNode);
  }
  toElement.textContent = "";
  toElement.appendChild(fromFragment);
}
function hasAttribute(attributes, name) {
  if (!attributes) {
    return false;
  }
  for (let attr of attributes) {
    if (attr.name === name) {
      return true;
    }
  }
  return false;
}
function overlayAttributes(fromElement, toElement) {
  const explicitlyAllowed = toElement.hasAttribute("data-l10n-attrs") ? toElement.getAttribute("data-l10n-attrs").split(",").map(i => i.trim()) : null;
  for (const attr of Array.from(toElement.attributes)) {
    if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) && !hasAttribute(fromElement.attributes, attr.name)) {
      toElement.removeAttribute(attr.name);
    }
  }
  if (!fromElement.attributes) {
    return;
  }
  for (const attr of Array.from(fromElement.attributes)) {
    if (isAttrNameLocalizable(attr.name, toElement, explicitlyAllowed) && toElement.getAttribute(attr.name) !== attr.value) {
      toElement.setAttribute(attr.name, attr.value);
    }
  }
}
function getNodeForNamedElement(sourceElement, translatedChild) {
  const childName = translatedChild.getAttribute("data-l10n-name");
  const sourceChild = sourceElement.querySelector(`[data-l10n-name="${childName}"]`);
  if (!sourceChild) {
    console.warn(`An element named "${childName}" wasn't found in the source.`);
    return createTextNodeFromTextContent(translatedChild);
  }
  if (sourceChild.localName !== translatedChild.localName) {
    console.warn(`An element named "${childName}" was found in the translation ` + `but its type ${translatedChild.localName} didn't match the ` + `element found in the source (${sourceChild.localName}).`);
    return createTextNodeFromTextContent(translatedChild);
  }
  sourceElement.removeChild(sourceChild);
  const clone = sourceChild.cloneNode(false);
  return shallowPopulateUsing(translatedChild, clone);
}
function createSanitizedElement(element) {
  const clone = element.ownerDocument.createElement(element.localName);
  return shallowPopulateUsing(element, clone);
}
function createTextNodeFromTextContent(element) {
  return element.ownerDocument.createTextNode(element.textContent);
}
function isElementAllowed(element) {
  const allowed = TEXT_LEVEL_ELEMENTS[element.namespaceURI];
  return allowed && allowed.includes(element.localName);
}
function isAttrNameLocalizable(name, element, explicitlyAllowed = null) {
  if (explicitlyAllowed && explicitlyAllowed.includes(name)) {
    return true;
  }
  const allowed = LOCALIZABLE_ATTRIBUTES[element.namespaceURI];
  if (!allowed) {
    return false;
  }
  const attrName = name.toLowerCase();
  const elemName = element.localName;
  if (allowed.global.includes(attrName)) {
    return true;
  }
  if (!allowed[elemName]) {
    return false;
  }
  if (allowed[elemName].includes(attrName)) {
    return true;
  }
  if (element.namespaceURI === "http://www.w3.org/1999/xhtml" && elemName === "input" && attrName === "value") {
    const type = element.type.toLowerCase();
    if (type === "submit" || type === "button" || type === "reset") {
      return true;
    }
  }
  return false;
}
function shallowPopulateUsing(fromElement, toElement) {
  toElement.textContent = fromElement.textContent;
  overlayAttributes(fromElement, toElement);
  return toElement;
}
;// CONCATENATED MODULE: ./node_modules/cached-iterable/src/cached_iterable.mjs
class CachedIterable extends Array {
  static from(iterable) {
    if (iterable instanceof this) {
      return iterable;
    }
    return new this(iterable);
  }
}
;// CONCATENATED MODULE: ./node_modules/cached-iterable/src/cached_sync_iterable.mjs

class CachedSyncIterable extends CachedIterable {
  constructor(iterable) {
    super();
    if (Symbol.iterator in Object(iterable)) {
      this.iterator = iterable[Symbol.iterator]();
    } else {
      throw new TypeError("Argument must implement the iteration protocol.");
    }
  }
  [Symbol.iterator]() {
    const cached = this;
    let cur = 0;
    return {
      next() {
        if (cached.length <= cur) {
          cached.push(cached.iterator.next());
        }
        return cached[cur++];
      }
    };
  }
  touchNext(count = 1) {
    let idx = 0;
    while (idx++ < count) {
      const last = this[this.length - 1];
      if (last && last.done) {
        break;
      }
      this.push(this.iterator.next());
    }
    return this[this.length - 1];
  }
}
;// CONCATENATED MODULE: ./node_modules/cached-iterable/src/cached_async_iterable.mjs

class CachedAsyncIterable extends CachedIterable {
  constructor(iterable) {
    super();
    if (Symbol.asyncIterator in Object(iterable)) {
      this.iterator = iterable[Symbol.asyncIterator]();
    } else if (Symbol.iterator in Object(iterable)) {
      this.iterator = iterable[Symbol.iterator]();
    } else {
      throw new TypeError("Argument must implement the iteration protocol.");
    }
  }
  [Symbol.asyncIterator]() {
    const cached = this;
    let cur = 0;
    return {
      async next() {
        if (cached.length <= cur) {
          cached.push(cached.iterator.next());
        }
        return cached[cur++];
      }
    };
  }
  async touchNext(count = 1) {
    let idx = 0;
    while (idx++ < count) {
      const last = this[this.length - 1];
      if (last && (await last).done) {
        break;
      }
      this.push(this.iterator.next());
    }
    return this[this.length - 1];
  }
}
;// CONCATENATED MODULE: ./node_modules/cached-iterable/src/index.mjs


;// CONCATENATED MODULE: ./node_modules/@fluent/dom/esm/localization.js

class Localization {
  constructor(resourceIds = [], generateBundles) {
    this.resourceIds = resourceIds;
    this.generateBundles = generateBundles;
    this.onChange(true);
  }
  addResourceIds(resourceIds, eager = false) {
    this.resourceIds.push(...resourceIds);
    this.onChange(eager);
    return this.resourceIds.length;
  }
  removeResourceIds(resourceIds) {
    this.resourceIds = this.resourceIds.filter(r => !resourceIds.includes(r));
    this.onChange();
    return this.resourceIds.length;
  }
  async formatWithFallback(keys, method) {
    const translations = [];
    let hasAtLeastOneBundle = false;
    for await (const bundle of this.bundles) {
      hasAtLeastOneBundle = true;
      const missingIds = keysFromBundle(method, bundle, keys, translations);
      if (missingIds.size === 0) {
        break;
      }
      if (typeof console !== "undefined") {
        const locale = bundle.locales[0];
        const ids = Array.from(missingIds).join(", ");
        console.warn(`[fluent] Missing translations in ${locale}: ${ids}`);
      }
    }
    if (!hasAtLeastOneBundle && typeof console !== "undefined") {
      console.warn(`[fluent] Request for keys failed because no resource bundles got generated.
  keys: ${JSON.stringify(keys)}.
  resourceIds: ${JSON.stringify(this.resourceIds)}.`);
    }
    return translations;
  }
  formatMessages(keys) {
    return this.formatWithFallback(keys, messageFromBundle);
  }
  formatValues(keys) {
    return this.formatWithFallback(keys, valueFromBundle);
  }
  async formatValue(id, args) {
    const [val] = await this.formatValues([{
      id,
      args
    }]);
    return val;
  }
  handleEvent() {
    this.onChange();
  }
  onChange(eager = false) {
    this.bundles = CachedAsyncIterable.from(this.generateBundles(this.resourceIds));
    if (eager) {
      this.bundles.touchNext(2);
    }
  }
}
function valueFromBundle(bundle, errors, message, args) {
  if (message.value) {
    return bundle.formatPattern(message.value, args, errors);
  }
  return null;
}
function messageFromBundle(bundle, errors, message, args) {
  const formatted = {
    value: null,
    attributes: null
  };
  if (message.value) {
    formatted.value = bundle.formatPattern(message.value, args, errors);
  }
  let attrNames = Object.keys(message.attributes);
  if (attrNames.length > 0) {
    formatted.attributes = new Array(attrNames.length);
    for (let [i, name] of attrNames.entries()) {
      let value = bundle.formatPattern(message.attributes[name], args, errors);
      formatted.attributes[i] = {
        name,
        value
      };
    }
  }
  return formatted;
}
function keysFromBundle(method, bundle, keys, translations) {
  const messageErrors = [];
  const missingIds = new Set();
  keys.forEach(({
    id,
    args
  }, i) => {
    if (translations[i] !== undefined) {
      return;
    }
    let message = bundle.getMessage(id);
    if (message) {
      messageErrors.length = 0;
      translations[i] = method(bundle, messageErrors, message, args);
      if (messageErrors.length > 0 && typeof console !== "undefined") {
        const locale = bundle.locales[0];
        const errors = messageErrors.join(", ");
        console.warn(`[fluent][resolver] errors in ${locale}/${id}: ${errors}.`);
      }
    } else {
      missingIds.add(id);
    }
  });
  return missingIds;
}
;// CONCATENATED MODULE: ./node_modules/@fluent/dom/esm/dom_localization.js


const L10NID_ATTR_NAME = "data-l10n-id";
const L10NARGS_ATTR_NAME = "data-l10n-args";
const L10N_ELEMENT_QUERY = `[${L10NID_ATTR_NAME}]`;
class DOMLocalization extends Localization {
  constructor(resourceIds, generateBundles) {
    super(resourceIds, generateBundles);
    this.roots = new Set();
    this.pendingrAF = null;
    this.pendingElements = new Set();
    this.windowElement = null;
    this.mutationObserver = null;
    this.observerConfig = {
      attributes: true,
      characterData: false,
      childList: true,
      subtree: true,
      attributeFilter: [L10NID_ATTR_NAME, L10NARGS_ATTR_NAME]
    };
  }
  onChange(eager = false) {
    super.onChange(eager);
    if (this.roots) {
      this.translateRoots();
    }
  }
  setAttributes(element, id, args) {
    element.setAttribute(L10NID_ATTR_NAME, id);
    if (args) {
      element.setAttribute(L10NARGS_ATTR_NAME, JSON.stringify(args));
    } else {
      element.removeAttribute(L10NARGS_ATTR_NAME);
    }
    return element;
  }
  getAttributes(element) {
    return {
      id: element.getAttribute(L10NID_ATTR_NAME),
      args: JSON.parse(element.getAttribute(L10NARGS_ATTR_NAME) || null)
    };
  }
  connectRoot(newRoot) {
    for (const root of this.roots) {
      if (root === newRoot || root.contains(newRoot) || newRoot.contains(root)) {
        throw new Error("Cannot add a root that overlaps with existing root.");
      }
    }
    if (this.windowElement) {
      if (this.windowElement !== newRoot.ownerDocument.defaultView) {
        throw new Error(`Cannot connect a root:
          DOMLocalization already has a root from a different window.`);
      }
    } else {
      this.windowElement = newRoot.ownerDocument.defaultView;
      this.mutationObserver = new this.windowElement.MutationObserver(mutations => this.translateMutations(mutations));
    }
    this.roots.add(newRoot);
    this.mutationObserver.observe(newRoot, this.observerConfig);
  }
  disconnectRoot(root) {
    this.roots.delete(root);
    this.pauseObserving();
    if (this.roots.size === 0) {
      this.mutationObserver = null;
      this.windowElement = null;
      this.pendingrAF = null;
      this.pendingElements.clear();
      return true;
    }
    this.resumeObserving();
    return false;
  }
  translateRoots() {
    const roots = Array.from(this.roots);
    return Promise.all(roots.map(root => this.translateFragment(root)));
  }
  pauseObserving() {
    if (!this.mutationObserver) {
      return;
    }
    this.translateMutations(this.mutationObserver.takeRecords());
    this.mutationObserver.disconnect();
  }
  resumeObserving() {
    if (!this.mutationObserver) {
      return;
    }
    for (const root of this.roots) {
      this.mutationObserver.observe(root, this.observerConfig);
    }
  }
  translateMutations(mutations) {
    for (const mutation of mutations) {
      switch (mutation.type) {
        case "attributes":
          if (mutation.target.hasAttribute("data-l10n-id")) {
            this.pendingElements.add(mutation.target);
          }
          break;
        case "childList":
          for (const addedNode of mutation.addedNodes) {
            if (addedNode.nodeType === addedNode.ELEMENT_NODE) {
              if (addedNode.childElementCount) {
                for (const element of this.getTranslatables(addedNode)) {
                  this.pendingElements.add(element);
                }
              } else if (addedNode.hasAttribute(L10NID_ATTR_NAME)) {
                this.pendingElements.add(addedNode);
              }
            }
          }
          break;
      }
    }
    if (this.pendingElements.size > 0) {
      if (this.pendingrAF === null) {
        this.pendingrAF = this.windowElement.requestAnimationFrame(() => {
          this.translateElements(Array.from(this.pendingElements));
          this.pendingElements.clear();
          this.pendingrAF = null;
        });
      }
    }
  }
  translateFragment(frag) {
    return this.translateElements(this.getTranslatables(frag));
  }
  async translateElements(elements) {
    if (!elements.length) {
      return undefined;
    }
    const keys = elements.map(this.getKeysForElement);
    const translations = await this.formatMessages(keys);
    return this.applyTranslations(elements, translations);
  }
  applyTranslations(elements, translations) {
    this.pauseObserving();
    for (let i = 0; i < elements.length; i++) {
      if (translations[i] !== undefined) {
        translateElement(elements[i], translations[i]);
      }
    }
    this.resumeObserving();
  }
  getTranslatables(element) {
    const nodes = Array.from(element.querySelectorAll(L10N_ELEMENT_QUERY));
    if (typeof element.hasAttribute === "function" && element.hasAttribute(L10NID_ATTR_NAME)) {
      nodes.push(element);
    }
    return nodes;
  }
  getKeysForElement(element) {
    return {
      id: element.getAttribute(L10NID_ATTR_NAME),
      args: JSON.parse(element.getAttribute(L10NARGS_ATTR_NAME) || null)
    };
  }
}
;// CONCATENATED MODULE: ./node_modules/@fluent/dom/esm/index.js



/***/ }),

/***/ 259:
/***/ ((__webpack_module__, __webpack_exports__, __webpack_require__) => {

__webpack_require__.a(__webpack_module__, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => { try {
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   AltTextManager: () => (/* binding */ AltTextManager)
/* harmony export */ });
/* harmony import */ var pdfjs_lib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(2603);
var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([pdfjs_lib__WEBPACK_IMPORTED_MODULE_0__]);
pdfjs_lib__WEBPACK_IMPORTED_MODULE_0__ = (__webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__)[0];

class AltTextManager {
  #boundUpdateUIState = this.#updateUIState.bind(this);
  #boundSetPosition = this.#setPosition.bind(this);
  #boundOnClick = this.#onClick.bind(this);
  #currentEditor = null;
  #cancelButton;
  #dialog;
  #eventBus;
  #hasUsedPointer = false;
  #optionDescription;
  #optionDecorative;
  #overlayManager;
  #saveButton;
  #textarea;
  #uiManager;
  #previousAltText = null;
  #svgElement = null;
  #rectElement = null;
  #container;
  #telemetryData = null;
  constructor({
    dialog,
    optionDescription,
    optionDecorative,
    textarea,
    cancelButton,
    saveButton
  }, container, overlayManager, eventBus) {
    this.#dialog = dialog;
    this.#optionDescription = optionDescription;
    this.#optionDecorative = optionDecorative;
    this.#textarea = textarea;
    this.#cancelButton = cancelButton;
    this.#saveButton = saveButton;
    this.#overlayManager = overlayManager;
    this.#eventBus = eventBus;
    this.#container = container;
    dialog.addEventListener("close", this.#close.bind(this));
    dialog.addEventListener("contextmenu", event => {
      if (event.target !== this.#textarea) {
        event.preventDefault();
      }
    });
    cancelButton.addEventListener("click", this.#finish.bind(this));
    saveButton.addEventListener("click", this.#save.bind(this));
    optionDescription.addEventListener("change", this.#boundUpdateUIState);
    optionDecorative.addEventListener("change", this.#boundUpdateUIState);
    this.#overlayManager.register(dialog);
  }
  get _elements() {
    return (0,pdfjs_lib__WEBPACK_IMPORTED_MODULE_0__.shadow)(this, "_elements", [this.#optionDescription, this.#optionDecorative, this.#textarea, this.#saveButton, this.#cancelButton]);
  }
  #createSVGElement() {
    if (this.#svgElement) {
      return;
    }
    const svgFactory = new pdfjs_lib__WEBPACK_IMPORTED_MODULE_0__.DOMSVGFactory();
    const svg = this.#svgElement = svgFactory.createElement("svg");
    svg.setAttribute("width", "0");
    svg.setAttribute("height", "0");
    const defs = svgFactory.createElement("defs");
    svg.append(defs);
    const mask = svgFactory.createElement("mask");
    defs.append(mask);
    mask.setAttribute("id", "alttext-manager-mask");
    mask.setAttribute("maskContentUnits", "objectBoundingBox");
    let rect = svgFactory.createElement("rect");
    mask.append(rect);
    rect.setAttribute("fill", "white");
    rect.setAttribute("width", "1");
    rect.setAttribute("height", "1");
    rect.setAttribute("x", "0");
    rect.setAttribute("y", "0");
    rect = this.#rectElement = svgFactory.createElement("rect");
    mask.append(rect);
    rect.setAttribute("fill", "black");
    this.#dialog.append(svg);
  }
  async editAltText(uiManager, editor) {
    if (this.#currentEditor || !editor) {
      return;
    }
    this.#createSVGElement();
    this.#hasUsedPointer = false;
    for (const element of this._elements) {
      element.addEventListener("click", this.#boundOnClick);
    }
    const {
      altText,
      decorative
    } = editor.altTextData;
    if (decorative === true) {
      this.#optionDecorative.checked = true;
      this.#optionDescription.checked = false;
    } else {
      this.#optionDecorative.checked = false;
      this.#optionDescription.checked = true;
    }
    this.#previousAltText = this.#textarea.value = altText?.trim() || "";
    this.#updateUIState();
    this.#currentEditor = editor;
    this.#uiManager = uiManager;
    this.#uiManager.removeEditListeners();
    this.#eventBus._on("resize", this.#boundSetPosition);
    try {
      await this.#overlayManager.open(this.#dialog);
      this.#setPosition();
    } catch (ex) {
      this.#close();
      throw ex;
    }
  }
  #setPosition() {
    if (!this.#currentEditor) {
      return;
    }
    const dialog = this.#dialog;
    const {
      style
    } = dialog;
    const {
      x: containerX,
      y: containerY,
      width: containerW,
      height: containerH
    } = this.#container.getBoundingClientRect();
    const {
      innerWidth: windowW,
      innerHeight: windowH
    } = window;
    const {
      width: dialogW,
      height: dialogH
    } = dialog.getBoundingClientRect();
    const {
      x,
      y,
      width,
      height
    } = this.#currentEditor.getClientDimensions();
    const MARGIN = 10;
    const isLTR = this.#uiManager.direction === "ltr";
    const xs = Math.max(x, containerX);
    const xe = Math.min(x + width, containerX + containerW);
    const ys = Math.max(y, containerY);
    const ye = Math.min(y + height, containerY + containerH);
    this.#rectElement.setAttribute("width", `${(xe - xs) / windowW}`);
    this.#rectElement.setAttribute("height", `${(ye - ys) / windowH}`);
    this.#rectElement.setAttribute("x", `${xs / windowW}`);
    this.#rectElement.setAttribute("y", `${ys / windowH}`);
    let left = null;
    let top = Math.max(y, 0);
    top += Math.min(windowH - (top + dialogH), 0);
    if (isLTR) {
      if (x + width + MARGIN + dialogW < windowW) {
        left = x + width + MARGIN;
      } else if (x > dialogW + MARGIN) {
        left = x - dialogW - MARGIN;
      }
    } else if (x > dialogW + MARGIN) {
      left = x - dialogW - MARGIN;
    } else if (x + width + MARGIN + dialogW < windowW) {
      left = x + width + MARGIN;
    }
    if (left === null) {
      top = null;
      left = Math.max(x, 0);
      left += Math.min(windowW - (left + dialogW), 0);
      if (y > dialogH + MARGIN) {
        top = y - dialogH - MARGIN;
      } else if (y + height + MARGIN + dialogH < windowH) {
        top = y + height + MARGIN;
      }
    }
    if (top !== null) {
      dialog.classList.add("positioned");
      if (isLTR) {
        style.left = `${left}px`;
      } else {
        style.right = `${windowW - left - dialogW}px`;
      }
      style.top = `${top}px`;
    } else {
      dialog.classList.remove("positioned");
      style.left = "";
      style.top = "";
    }
  }
  #finish() {
    if (this.#overlayManager.active === this.#dialog) {
      this.#overlayManager.close(this.#dialog);
    }
  }
  #close() {
    this.#currentEditor._reportTelemetry(this.#telemetryData || {
      action: "alt_text_cancel",
      alt_text_keyboard: !this.#hasUsedPointer
    });
    this.#telemetryData = null;
    this.#removeOnClickListeners();
    this.#uiManager?.addEditListeners();
    this.#eventBus._off("resize", this.#boundSetPosition);
    this.#currentEditor.altTextFinish();
    this.#currentEditor = null;
    this.#uiManager = null;
  }
  #updateUIState() {
    this.#textarea.disabled = this.#optionDecorative.checked;
  }
  #save() {
    const altText = this.#textarea.value.trim();
    const decorative = this.#optionDecora