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js-cheatsheet
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| # Quick js utils and functions I don't want to rediscover every 3 months | |
| // create an object with keys from the range length of another object | |
| // in: {a: null, b: null} | |
| // out: {1: false, 2: false} | |
| // why? Used an indexed dict to track the state of a grid of items by their index | |
| Array.from({length: Object.keys({a: null, b: null}).length}, (v, k) => k+1) | |
| .reduce((o, key) => ({ ...o, [key]: false}), {}) |
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