WIP - add extractor, generate snippet_data

node_modules/entities/lib/encode.js

@@ -0,0 +1,67 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+var xml_json_1 = __importDefault(require("./maps/xml.json"));
+var inverseXML = getInverseObj(xml_json_1.default);
+var xmlReplacer = getInverseReplacer(inverseXML);
+exports.encodeXML = getInverse(inverseXML, xmlReplacer);
+var entities_json_1 = __importDefault(require("./maps/entities.json"));
+var inverseHTML = getInverseObj(entities_json_1.default);
+var htmlReplacer = getInverseReplacer(inverseHTML);
+exports.encodeHTML = getInverse(inverseHTML, htmlReplacer);
+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 = [];
+    Object.keys(inverse).forEach(function (k) {
+        return k.length === 1
+            ? // Add value to single array
+                single.push("\\" + k)
+            : // Add value to multiple array
+                multiple.push(k);
+    });
+    //TODO add ranges
+    multiple.unshift("[" + single.join("") + "]");
+    return new RegExp(multiple.join("|"), "g");
+}
+var reNonASCII = /[^\0-\x7F]/g;
+var reAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
+function singleCharReplacer(c) {
+    return "&#x" + c
+        .charCodeAt(0)
+        .toString(16)
+        .toUpperCase() + ";";
+}
+// eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any
+function astralReplacer(c, _) {
+    // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+    var high = c.charCodeAt(0);
+    var low = c.charCodeAt(1);
+    var codePoint = (high - 0xd800) * 0x400 + low - 0xdc00 + 0x10000;
+    return "&#x" + codePoint.toString(16).toUpperCase() + ";";
+}
+function getInverse(inverse, re) {
+    return function (data) {
+        return data
+            .replace(re, function (name) { return inverse[name]; })
+            .replace(reAstralSymbols, astralReplacer)
+            .replace(reNonASCII, singleCharReplacer);
+    };
+}
+var reXmlChars = getInverseReplacer(inverseXML);
+function escape(data) {
+    return data
+        .replace(reXmlChars, singleCharReplacer)
+        .replace(reAstralSymbols, astralReplacer)
+        .replace(reNonASCII, singleCharReplacer);
+}
+exports.escape = escape;