fairnesscoop /
permacoop
| Total Complexity | 5 |
| Total Lines | 20 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | export class ArrayUtils { |
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| 2 | public static range(start: number, end: number, step: number = 1) { |
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| 3 | function* generateRange() { |
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| 4 | let x = start - step; |
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| 5 | while (x <= end - step) { |
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| 6 | yield (x += step); |
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| 7 | } |
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| 8 | } |
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| 9 | |||
| 10 | return { |
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| 11 | [Symbol.iterator]: generateRange |
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| 12 | }; |
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| 13 | } |
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| 14 | |||
| 15 | public static flatMap<T, V>(items: T[], fn: (x: T) => V[]): V[] { |
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| 16 | const arr = []; |
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| 17 | for (let item of items) { |
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| 18 | arr.push(...fn(item)); |
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| 19 | } |
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| 20 | return arr; |
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| 21 | } |
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| 23 |
