124 lines
5.0 KiB
JavaScript
124 lines
5.0 KiB
JavaScript
var __assign = (this && this.__assign) || function () {
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__assign = Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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return __assign.apply(this, arguments);
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};
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import { bodyRegExps, namedReferences } from './named-references.js';
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import { numericUnicodeMap } from './numeric-unicode-map.js';
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import { fromCodePoint, getCodePoint } from './surrogate-pairs.js';
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var allNamedReferences = __assign(__assign({}, namedReferences), { all: namedReferences.html5 });
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var encodeRegExps = {
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specialChars: /[<>'"&]/g,
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nonAscii: /[<>'"&\u0080-\uD7FF\uE000-\uFFFF\uDC00-\uDFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]?/g,
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nonAsciiPrintable: /[<>'"&\x01-\x08\x11-\x15\x17-\x1F\x7f-\uD7FF\uE000-\uFFFF\uDC00-\uDFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]?/g,
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nonAsciiPrintableOnly: /[\x01-\x08\x11-\x15\x17-\x1F\x7f-\uD7FF\uE000-\uFFFF\uDC00-\uDFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]?/g,
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extensive: /[\x01-\x0c\x0e-\x1f\x21-\x2c\x2e-\x2f\x3a-\x40\x5b-\x60\x7b-\x7d\x7f-\uD7FF\uE000-\uFFFF\uDC00-\uDFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]?/g
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};
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var defaultEncodeOptions = {
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mode: 'specialChars',
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level: 'all',
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numeric: 'decimal'
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};
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/** Encodes all the necessary (specified by `level`) characters in the text */
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export function encode(text, _a) {
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var _b = _a === void 0 ? defaultEncodeOptions : _a, _c = _b.mode, mode = _c === void 0 ? 'specialChars' : _c, _d = _b.numeric, numeric = _d === void 0 ? 'decimal' : _d, _e = _b.level, level = _e === void 0 ? 'all' : _e;
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if (!text) {
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return '';
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}
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var encodeRegExp = encodeRegExps[mode];
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var references = allNamedReferences[level].characters;
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var isHex = numeric === 'hexadecimal';
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return String.prototype.replace.call(text, encodeRegExp, function (input) {
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var result = references[input];
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if (!result) {
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var code = input.length > 1 ? getCodePoint(input, 0) : input.charCodeAt(0);
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result = (isHex ? '&#x' + code.toString(16) : '&#' + code) + ';';
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}
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return result;
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});
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}
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var defaultDecodeOptions = {
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scope: 'body',
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level: 'all'
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};
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var strict = /&(?:#\d+|#[xX][\da-fA-F]+|[0-9a-zA-Z]+);/g;
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var attribute = /&(?:#\d+|#[xX][\da-fA-F]+|[0-9a-zA-Z]+)[;=]?/g;
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var baseDecodeRegExps = {
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xml: {
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strict: strict,
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attribute: attribute,
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body: bodyRegExps.xml
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},
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html4: {
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strict: strict,
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attribute: attribute,
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body: bodyRegExps.html4
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},
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html5: {
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strict: strict,
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attribute: attribute,
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body: bodyRegExps.html5
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}
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};
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var decodeRegExps = __assign(__assign({}, baseDecodeRegExps), { all: baseDecodeRegExps.html5 });
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var fromCharCode = String.fromCharCode;
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var outOfBoundsChar = fromCharCode(65533);
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var defaultDecodeEntityOptions = {
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level: 'all'
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};
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function getDecodedEntity(entity, references, isAttribute, isStrict) {
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var decodeResult = entity;
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var decodeEntityLastChar = entity[entity.length - 1];
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if (isAttribute && decodeEntityLastChar === '=') {
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decodeResult = entity;
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}
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else if (isStrict && decodeEntityLastChar !== ';') {
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decodeResult = entity;
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}
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else {
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var decodeResultByReference = references[entity];
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if (decodeResultByReference) {
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decodeResult = decodeResultByReference;
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}
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else if (entity[0] === '&' && entity[1] === '#') {
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var decodeSecondChar = entity[2];
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var decodeCode = decodeSecondChar == 'x' || decodeSecondChar == 'X'
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? parseInt(entity.substr(3), 16)
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: parseInt(entity.substr(2));
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decodeResult =
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decodeCode >= 0x10ffff
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? outOfBoundsChar
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: decodeCode > 65535
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? fromCodePoint(decodeCode)
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: fromCharCode(numericUnicodeMap[decodeCode] || decodeCode);
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}
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}
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return decodeResult;
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}
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/** Decodes a single entity */
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export function decodeEntity(entity, _a) {
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var _b = _a === void 0 ? defaultDecodeEntityOptions : _a, _c = _b.level, level = _c === void 0 ? 'all' : _c;
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if (!entity) {
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return '';
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}
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return getDecodedEntity(entity, allNamedReferences[level].entities, false, false);
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}
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/** Decodes all entities in the text */
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export function decode(text, _a) {
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var _b = _a === void 0 ? defaultDecodeOptions : _a, _c = _b.level, level = _c === void 0 ? 'all' : _c, _d = _b.scope, scope = _d === void 0 ? level === 'xml' ? 'strict' : 'body' : _d;
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if (!text) {
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return '';
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}
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var decodeRegExp = decodeRegExps[level][scope];
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var references = allNamedReferences[level].entities;
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var isAttribute = scope === 'attribute';
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var isStrict = scope === 'strict';
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return text.replace(decodeRegExp, function (entity) { return getDecodedEntity(entity, references, isAttribute, isStrict); });
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}
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//# sourceMappingURL=index.js.map
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