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feat: arrayMove; update readme: add shields; add coveralls
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@@ -29,6 +29,7 @@ jobs: | |
| npm ci | ||
| # npm run build --if-present | ||
| npm test | ||
| npm run coveralls | ||
| npm run changelog | ||
| env: | ||
| CI: true | ||
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| ### 原理 | ||
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| 通过 `splice`方法去复制需要移动的数组元素，并拼接新数组。 | ||
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| ### 参考 | ||
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| [splice](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice) |
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| /* | ||
| * @Author: Rainy | ||
| * @Date: 2019-11-14 19:25:01 | ||
| * @LastEditors: Rainy | ||
| * @LastEditTime: 2019-11-22 16:26:40 | ||
| */ | ||
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| import { arrayMove } from '.'; | ||
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| const input = ['a', 'b', 'c', 'd', 'e', 'f']; | ||
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| test(`arrayMove(['a', 'b', 'c', 'd', 'e', 'f'], -1, 0)should ['f', 'a', 'b', 'c', 'd', 'e']`, () => { | ||
| expect(arrayMove(input, -1, 0)).toEqual(['f', 'a', 'b', 'c', 'd', 'e']); | ||
| }); | ||
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| test(`arrayMove(['a', 'b', 'c', 'd', 'e', 'f'], -1, 2) should ['a', 'b', 'f', 'c', 'd', 'e']`, () => { | ||
| expect(arrayMove(input, -1, 2)).toEqual(['a', 'b', 'f', 'c', 'd', 'e']); | ||
| }); | ||
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| test(`arrayMove(['a', 'b', 'c', 'd', 'e', 'f'], -1, 2) should ['a', 'b', 'f', 'c', 'd', 'e']`, () => { | ||
| expect(arrayMove(input, -1, 2)).toEqual(['a', 'b', 'f', 'c', 'd', 'e']); | ||
| }); | ||
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| test(`arrayMove(['a', 'b', 'c', 'd', 'e', 'f'], -1, -3) should ['a', 'b', 'c', 'f', 'd', 'e']`, () => { | ||
| expect(arrayMove(input, -1, -3)).toEqual(['a', 'b', 'c', 'f', 'd', 'e']); | ||
| }); | ||
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| test(`arrayMove(['a', 'b', 'c', 'd', 'e', 'f'], 1, 3) should ['a', 'c', 'd', 'b', 'e', 'f']`, () => { | ||
| expect(arrayMove(input, 1, 3)).toEqual(['a', 'c', 'd', 'b', 'e', 'f']); | ||
| }); |
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| /* | ||
| * @Author: Rainy | ||
| * @Date: 2019-11-14 19:25:01 | ||
| * @LastEditors: Rainy | ||
| * @LastEditTime: 2019-11-22 17:43:05 | ||
| */ | ||
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| import { ArrayMap } from '../../types/index'; | ||
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| export function arrayMove(array: ArrayMap, from: number, to: number): ArrayMap { | ||
| array = array.slice(); | ||
| array.splice(to < 0 ? array.length + to : to, 0, array.splice(from, 1)[0]); | ||
| return array; | ||
| } |
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| /* | ||
| * @Author: Rainy | ||
| * @Date: 2019-11-14 19:55:36 | ||
| * @LastEditors: Rainy | ||
| * @LastEditTime: 2019-11-22 15:30:14 | ||
| */ | ||
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| export class ClassType {} | ||
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| export type ArrayMap = unknown[]; | ||
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| export type ObjectMap<V> = { | ||
| [name: string]: V; | ||
| }; |
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