15644705543

Committed 13 Jun 2025 09:58PM UTC coverage: 100.0%. Remained the same

Build # 15644705543

Build Type

push

github

Committed by

YuJianrong

Commit Message

chore: update Node.js version to 22.16.0 in GitHub Actions workflow

Run Details

143 of 147 branches covered (97.28%)

193 of 193 relevant lines covered (100.0%)

2010.82 hits per line

Source File
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100.0

/src/diff/diff.ts

import bestSubSequence from './lcs';

export interface DiffData<T, U = T> {
  removed: T[];
  added: U[];
}

export function diff<T, U = T>(
  a: T[],
  b: U[],
  compareFunc: (ia: T, ib: U) => boolean = (ia: T, ib: U) => ia === (ib as unknown as T),
): DiffData<T, U> {
  const ret: DiffData<T, U> = {
    removed: [],
    added: [],
  };
  bestSubSequence(a, b, compareFunc, (type, oldArr, oldStart, oldEnd, newArr, newStart, newEnd) => {
    if (type === 'add') {
      for (let i = newStart; i < newEnd; ++i) {
        ret.added.push(newArr[i]);
      }
    } else if (type === 'remove') {
      for (let i = oldStart; i < oldEnd; ++i) {
        ret.removed.push(oldArr[i]);
      }
    }
  });
  return ret;
}

1	import bestSubSequence from './lcs';	1✔
2
3	export interface DiffData<T, U = T> {
4	removed: T[];
5	added: U[];
6	}
7
8	export function diff<T, U = T>(	2✔
9	a: T[],
10	b: U[],
11	compareFunc: (ia: T, ib: U) => boolean = (ia: T, ib: U) => ia === (ib as unknown as T),	5,629✔
12	): DiffData<T, U> {
13	const ret: DiffData<T, U> = {	24✔
14	removed: [],
15	added: [],
16	};
17	bestSubSequence(a, b, compareFunc, (type, oldArr, oldStart, oldEnd, newArr, newStart, newEnd) => {	24✔
18	if (type === 'add') {	134✔
19	for (let i = newStart; i < newEnd; ++i) {	36✔
20	ret.added.push(newArr[i]);	62✔
21	}
22	} else if (type === 'remove') {	98✔
23	for (let i = oldStart; i < oldEnd; ++i) {	31✔
24	ret.removed.push(oldArr[i]);	55✔
25	}
26	}
27	});
28	return ret;	24✔
29	}

YuJianrong / fast-array-diff / 15644705543

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