Hadhad / HanoHano katai5plate
katai5plate
/ groupByPrefix.js
Last active
June 19, 2019 01:56
— forked from kurone-kito/groupByPrefix.ts
Group duplicate prefixes in the strings: (src: string[]) => string[]
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| const getInitials = (src, length) => { | |
| if (length === void 0) { length = 1; } | |
| return Array.from(new Set(src.map(v => v.substring(0, length)))); | |
| }; | |
| export default src => getInitials(src).map(initial => { | |
| const list = src.filter(v => v.match(`^${initial}`)); | |
| const rec = (prev, length) => { | |
| if (length === void 0) { length = 2; } | |
| const _a = getInitials(list, length); | |
| const word = _a[0]; |