source: trip-planner-front/node_modules/ent/decode.js@ 571e0df

Last change on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.0 KB
Line 
1var punycode = require('punycode');
2var entities = require('./entities.json');
3
4module.exports = decode;
5
6function decode (str) {
7 if (typeof str !== 'string') {
8 throw new TypeError('Expected a String');
9 }
10
11 return str.replace(/&(#?[^;\W]+;?)/g, function (_, match) {
12 var m;
13 if (m = /^#(\d+);?$/.exec(match)) {
14 return punycode.ucs2.encode([ parseInt(m[1], 10) ]);
15 } else if (m = /^#[Xx]([A-Fa-f0-9]+);?/.exec(match)) {
16 return punycode.ucs2.encode([ parseInt(m[1], 16) ]);
17 } else {
18 // named entity
19 var hasSemi = /;$/.test(match);
20 var withoutSemi = hasSemi ? match.replace(/;$/, '') : match;
21 var target = entities[withoutSemi] || (hasSemi && entities[match]);
22
23 if (typeof target === 'number') {
24 return punycode.ucs2.encode([ target ]);
25 } else if (typeof target === 'string') {
26 return target;
27 } else {
28 return '&' + match;
29 }
30 }
31 });
32}
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