source: trip-planner-front/node_modules/lines-and-columns/dist/index.mjs@ eed0bf8

Last change on this file since eed0bf8 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.8 KB
Line 
1var LF = '\n';
2var CR = '\r';
3var LinesAndColumns = (function () {
4 function LinesAndColumns(string) {
5 this.string = string;
6 var offsets = [0];
7 for (var offset = 0; offset < string.length;) {
8 switch (string[offset]) {
9 case LF:
10 offset += LF.length;
11 offsets.push(offset);
12 break;
13 case CR:
14 offset += CR.length;
15 if (string[offset] === LF) {
16 offset += LF.length;
17 }
18 offsets.push(offset);
19 break;
20 default:
21 offset++;
22 break;
23 }
24 }
25 this.offsets = offsets;
26 }
27 LinesAndColumns.prototype.locationForIndex = function (index) {
28 if (index < 0 || index > this.string.length) {
29 return null;
30 }
31 var line = 0;
32 var offsets = this.offsets;
33 while (offsets[line + 1] <= index) {
34 line++;
35 }
36 var column = index - offsets[line];
37 return { line: line, column: column };
38 };
39 LinesAndColumns.prototype.indexForLocation = function (location) {
40 var line = location.line, column = location.column;
41 if (line < 0 || line >= this.offsets.length) {
42 return null;
43 }
44 if (column < 0 || column > this.lengthOfLine(line)) {
45 return null;
46 }
47 return this.offsets[line] + column;
48 };
49 LinesAndColumns.prototype.lengthOfLine = function (line) {
50 var offset = this.offsets[line];
51 var nextOffset = line === this.offsets.length - 1 ? this.string.length : this.offsets[line + 1];
52 return nextOffset - offset;
53 };
54 return LinesAndColumns;
55}());
56export default LinesAndColumns;
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