137 lines
4.9 KiB
JavaScript
137 lines
4.9 KiB
JavaScript
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.escapeUTF8 = exports.escape = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.encodeXML = void 0;
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var xml_json_1 = __importDefault(require("./maps/xml.json"));
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var inverseXML = getInverseObj(xml_json_1.default);
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var xmlReplacer = getInverseReplacer(inverseXML);
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/**
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* Encodes all non-ASCII characters, as well as characters not valid in XML
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* documents using XML entities.
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*
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* If a character has no equivalent entity, a
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* numeric hexadecimal reference (eg. `ü`) will be used.
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*/
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exports.encodeXML = getASCIIEncoder(inverseXML);
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var entities_json_1 = __importDefault(require("./maps/entities.json"));
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var inverseHTML = getInverseObj(entities_json_1.default);
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var htmlReplacer = getInverseReplacer(inverseHTML);
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/**
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* Encodes all entities and non-ASCII characters in the input.
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*
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* This includes characters that are valid ASCII characters in HTML documents.
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* For example `#` will be encoded as `#`. To get a more compact output,
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* consider using the `encodeNonAsciiHTML` function.
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*
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* If a character has no equivalent entity, a
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* numeric hexadecimal reference (eg. `ü`) will be used.
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*/
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exports.encodeHTML = getInverse(inverseHTML, htmlReplacer);
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/**
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* Encodes all non-ASCII characters, as well as characters not valid in HTML
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* documents using HTML entities.
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*
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* If a character has no equivalent entity, a
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* numeric hexadecimal reference (eg. `ü`) will be used.
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*/
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exports.encodeNonAsciiHTML = getASCIIEncoder(inverseHTML);
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function getInverseObj(obj) {
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return Object.keys(obj)
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.sort()
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.reduce(function (inverse, name) {
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inverse[obj[name]] = "&" + name + ";";
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return inverse;
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}, {});
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}
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function getInverseReplacer(inverse) {
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var single = [];
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var multiple = [];
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for (var _i = 0, _a = Object.keys(inverse); _i < _a.length; _i++) {
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var k = _a[_i];
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if (k.length === 1) {
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// Add value to single array
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single.push("\\" + k);
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}
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else {
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// Add value to multiple array
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multiple.push(k);
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}
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}
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// Add ranges to single characters.
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single.sort();
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for (var start = 0; start < single.length - 1; start++) {
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// Find the end of a run of characters
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var end = start;
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while (end < single.length - 1 &&
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single[end].charCodeAt(1) + 1 === single[end + 1].charCodeAt(1)) {
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end += 1;
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}
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var count = 1 + end - start;
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// We want to replace at least three characters
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if (count < 3)
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continue;
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single.splice(start, count, single[start] + "-" + single[end]);
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}
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multiple.unshift("[" + single.join("") + "]");
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return new RegExp(multiple.join("|"), "g");
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}
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// /[^\0-\x7F]/gu
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var reNonASCII = /(?:[\x80-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/g;
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var getCodePoint =
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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String.prototype.codePointAt != null
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? // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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function (str) { return str.codePointAt(0); }
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: // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
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function (c) {
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return (c.charCodeAt(0) - 0xd800) * 0x400 +
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c.charCodeAt(1) -
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0xdc00 +
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0x10000;
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};
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function singleCharReplacer(c) {
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return "&#x" + (c.length > 1 ? getCodePoint(c) : c.charCodeAt(0))
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.toString(16)
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.toUpperCase() + ";";
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}
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function getInverse(inverse, re) {
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return function (data) {
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return data
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.replace(re, function (name) { return inverse[name]; })
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.replace(reNonASCII, singleCharReplacer);
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};
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}
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var reEscapeChars = new RegExp(xmlReplacer.source + "|" + reNonASCII.source, "g");
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/**
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* Encodes all non-ASCII characters, as well as characters not valid in XML
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* documents using numeric hexadecimal reference (eg. `ü`).
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*
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* Have a look at `escapeUTF8` if you want a more concise output at the expense
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* of reduced transportability.
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*
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* @param data String to escape.
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*/
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function escape(data) {
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return data.replace(reEscapeChars, singleCharReplacer);
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}
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exports.escape = escape;
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/**
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* Encodes all characters not valid in XML documents using numeric hexadecimal
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* reference (eg. `ü`).
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*
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* Note that the output will be character-set dependent.
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*
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* @param data String to escape.
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*/
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function escapeUTF8(data) {
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return data.replace(xmlReplacer, singleCharReplacer);
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}
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exports.escapeUTF8 = escapeUTF8;
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function getASCIIEncoder(obj) {
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return function (data) {
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return data.replace(reEscapeChars, function (c) { return obj[c] || singleCharReplacer(c); });
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};
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}
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