source: trip-planner-front/node_modules/lines-and-columns/dist/index.js@ 188ee53

Last change on this file since 188ee53 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 1.9 KB
Line 
1"use strict";
2var LF = '\n';
3var CR = '\r';
4var LinesAndColumns = (function () {
5 function LinesAndColumns(string) {
6 this.string = string;
7 var offsets = [0];
8 for (var offset = 0; offset < string.length;) {
9 switch (string[offset]) {
10 case LF:
11 offset += LF.length;
12 offsets.push(offset);
13 break;
14 case CR:
15 offset += CR.length;
16 if (string[offset] === LF) {
17 offset += LF.length;
18 }
19 offsets.push(offset);
20 break;
21 default:
22 offset++;
23 break;
24 }
25 }
26 this.offsets = offsets;
27 }
28 LinesAndColumns.prototype.locationForIndex = function (index) {
29 if (index < 0 || index > this.string.length) {
30 return null;
31 }
32 var line = 0;
33 var offsets = this.offsets;
34 while (offsets[line + 1] <= index) {
35 line++;
36 }
37 var column = index - offsets[line];
38 return { line: line, column: column };
39 };
40 LinesAndColumns.prototype.indexForLocation = function (location) {
41 var line = location.line, column = location.column;
42 if (line < 0 || line >= this.offsets.length) {
43 return null;
44 }
45 if (column < 0 || column > this.lengthOfLine(line)) {
46 return null;
47 }
48 return this.offsets[line] + column;
49 };
50 LinesAndColumns.prototype.lengthOfLine = function (line) {
51 var offset = this.offsets[line];
52 var nextOffset = line === this.offsets.length - 1 ? this.string.length : this.offsets[line + 1];
53 return nextOffset - offset;
54 };
55 return LinesAndColumns;
56}());
57exports.__esModule = true;
58exports["default"] = LinesAndColumns;
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