source: trip-planner-front/node_modules/@webassemblyjs/utf8/esm/encoder.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: 1.1 KB
Line 
1function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
2
3function _toArray(arr) { return Array.isArray(arr) ? arr : Array.from(arr); }
4
5function con(n) {
6 return 0x80 | n & 0x3f;
7}
8
9export function encode(str) {
10 var arr = str.split("").map(function (x) {
11 return x.charCodeAt(0);
12 });
13 return _encode(arr);
14}
15
16function _encode(arr) {
17 if (arr.length === 0) {
18 return [];
19 }
20
21 var _arr = _toArray(arr),
22 n = _arr[0],
23 ns = _arr.slice(1);
24
25 if (n < 0) {
26 throw new Error("utf8");
27 }
28
29 if (n < 0x80) {
30 return [n].concat(_toConsumableArray(_encode(ns)));
31 }
32
33 if (n < 0x800) {
34 return [0xc0 | n >>> 6, con(n)].concat(_toConsumableArray(_encode(ns)));
35 }
36
37 if (n < 0x10000) {
38 return [0xe0 | n >>> 12, con(n >>> 6), con(n)].concat(_toConsumableArray(_encode(ns)));
39 }
40
41 if (n < 0x110000) {
42 return [0xf0 | n >>> 18, con(n >>> 12), con(n >>> 6), con(n)].concat(_toConsumableArray(_encode(ns)));
43 }
44
45 throw new Error("utf8");
46}
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