822437312

Build Type

github

Committed by GitHub

Commit Message

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Pull Request Pull Request #63: Add optional support for source locations

Run Details

43 of 46 branches covered (93.48%)

55 of 55 new or added lines in 2 files covered. (100.0%)

200 of 217 relevant lines covered (92.17%)

13.26 hits per line

Source File
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95.92

/src/location-tracker.ts

import {Position} from '../types/index.d';

export class LocationTracker {
  private readonly source: string;
  private lastPosition: Position;
  private lastIndex: number;

  constructor(source: string) {
    this.source = source;
    this.lastPosition = {
      line: 1,
      column: 1
    };

    this.lastIndex = 0;
  }

  getPosition(index: number): Position {
    if (index < this.lastIndex) {
      throw new Error('Source indices must be monotonic');
    }

    while (this.lastIndex < index) {
      if (this.source.charCodeAt(this.lastIndex) === /* \n */ 10) {
        this.lastPosition.line++;
        this.lastPosition.column = 1;
      } else {
        this.lastPosition.column++;
      }

      this.lastIndex++;
    }

    return {
      line: this.lastPosition.line,
      column: this.lastPosition.column
    };
  }
}

1	import {Position} from '../types/index.d';	1✔
2		1✔
3	export class LocationTracker {	1✔
4	private readonly source: string;	1✔
5	private lastPosition: Position;	1✔
6	private lastIndex: number;	1✔
7		1✔
8	constructor(source: string) {	1✔
9	this.source = source;	1✔
10	this.lastPosition = {	1✔
11	line: 1,	1✔
12	column: 1	1✔
13	};	1✔
14		1✔
15	this.lastIndex = 0;	1✔
16	}	26✔
17		26✔
18	getPosition(index: number): Position {	1✔
19	if (index < this.lastIndex) {	26✔
20	throw new Error('Source indices must be monotonic');	26✔
21	}	26✔
22		26✔
23	while (this.lastIndex < index) {	1✔
24	if (this.source.charCodeAt(this.lastIndex) === /* \n */ 10) {	1!
25	this.lastPosition.line++;	×
26	this.lastPosition.column = 1;	28✔
27	} else {	28✔
28	this.lastPosition.column++;	28✔
29	}	154✔
30		154✔
31	this.lastIndex++;	154✔
32	}	1✔
33		1✔
34	return {	1✔
35	line: this.lastPosition.line,	1✔
36	column: this.lastPosition.column	154✔
37	};	153✔
38	}	153✔
39	}	153✔

posthtml / posthtml-parser / 822437312

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