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