html-tokenizer/lib/deentify.js

Small, fast, event-driven, fault-tolerant html tokenizer. Works in node or browsers.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const PATTERN = /&(#?)([a-z0-9]+);/ig;
const HANDLERS = new WeakMap();
function getHandler(map) {
    let handler = HANDLERS.get(map);
    if (!handler) {
        const callback = function (ent, isNum, content) {
            if (isNum) {
                const num = content.charAt(0) === 'x'
                    ? parseInt('0' + content, 16)
                    : parseInt(content, 10);
                return String.fromCharCode(num);
            }
            else {
                return map[content] || ent;
            }
        };
        handler = (text) => {
            return text.indexOf('&') > -1 // attempt short circuit
                ? text.replace(PATTERN, callback)
                : text;
        };
        HANDLERS.set(map, handler);
    }
    return handler;
}
/**
 * Replace entities within a chunk of text with the
 * characters they represent.
 */
function deentify(text, map) {
    const handler = getHandler(map);
    return handler(text);
}
exports.default = deentify;
//# sourceMappingURL=deentify.js.map