bad-entity-decoder/entity-map.ts at main · hilja/bad-entity-decoder · GitHub

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// Browsers remap &#128;–&#159; to Windows-1252 equivalents rather than treating
// them as Unicode code points. Match that behaviour for real-world HTML.
// oxfmt-ignore
export const LEGACY_NUMERIC: Record<number, number> = {
  0x80: 0x20AC, 0x82: 0x201A, 0x83: 0x0192, 0x84: 0x201E, 0x85: 0x2026,
  0x86: 0x2020, 0x87: 0x2021, 0x88: 0x02C6, 0x89: 0x2030, 0x8A: 0x0160,
  0x8B: 0x2039, 0x8C: 0x0152, 0x8E: 0x017D, 0x91: 0x2018, 0x92: 0x2019,
  0x93: 0x201C, 0x94: 0x201D, 0x95: 0x2022, 0x96: 0x2013, 0x97: 0x2014,
  0x98: 0x02DC, 0x99: 0x2122, 0x9A: 0x0161, 0x9B: 0x203A, 0x9C: 0x0153,
  0x9E: 0x017E, 0x9F: 0x0178,
}

// Minimal set of "most common" entities
// oxfmt-ignore
export const NAMED_ENTITIES: Record<string, string> = {
  // Essential — must always be present
  amp: '&', lt: '<', gt: '>', quot: '"', apos: "'",
  // Whitespace / invisible
  nbsp: '\u00A0', ensp: '\u2002', emsp: '\u2003', thinsp: '\u2009',
  zwnj: '\u200C', zwj: '\u200D',
  // Punctuation
  mdash: '—', ndash: '–', hellip: '…', laquo: '«', raquo: '»',
  lsquo: '\u2018', rsquo: '\u2019', ldquo: '\u201C', rdquo: '\u201D',
  bull: '•', middot: '·', shy: '\u00AD', prime: '′', Prime: '″',
  // Symbols
  copy: '©', reg: '®', trade: '™', deg: '°', plusmn: '±', micro: 'µ',
  para: '¶', sect: '§', euro: '€', pound: '£', yen: '¥', cent: '¢',
  // Math
  times: '×', divide: '÷', frac12: '½', frac14: '¼', frac34: '¾',
  sup2: '²', sup3: '³', infin: '∞', sum: '∑', radic: '√', minus: '−',
  // Arrows
  larr: '←', rarr: '→', uarr: '↑', darr: '↓', harr: '↔',
  lArr: '⇐', rArr: '⇒', hArr: '⇔',
  // Latin extended (common in Western European content)
  agrave: 'à', aacute: 'á', acirc: 'â', atilde: 'ã', auml: 'ä', aring: 'å',
  aelig: 'æ', ccedil: 'ç', egrave: 'è', eacute: 'é', ecirc: 'ê', euml: 'ë',
  igrave: 'ì', iacute: 'í', icirc: 'î', iuml: 'ï', eth: 'ð', ntilde: 'ñ',
  ograve: 'ò', oacute: 'ó', ocirc: 'ô', otilde: 'õ', ouml: 'ö', oslash: 'ø',
  ugrave: 'ù', uacute: 'ú', ucirc: 'û', uuml: 'ü', yacute: 'ý', thorn: 'þ',
  yuml: 'ÿ', szlig: 'ß',
  Agrave: 'À', Aacute: 'Á', Acirc: 'Â', Atilde: 'Ã', Auml: 'Ä', Aring: 'Å',
  AElig: 'Æ', Ccedil: 'Ç', Egrave: 'È', Eacute: 'É', Ecirc: 'Ê', Euml: 'Ë',
  Igrave: 'Ì', Iacute: 'Í', Icirc: 'Î', Iuml: 'Ï', ETH: 'Ð', Ntilde: 'Ñ',
  Ograve: 'Ò', Oacute: 'Ó', Ocirc: 'Ô', Otilde: 'Õ', Ouml: 'Ö', Oslash: 'Ø',
  Ugrave: 'Ù', Uacute: 'Ú', Ucirc: 'Û', Uuml: 'Ü', Yacute: 'Ý', THORN: 'Þ',
}