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80 lines
2.0 KiB
TypeScript
80 lines
2.0 KiB
TypeScript
8 months ago
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// #ifdef APP-PLUS
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import pinyin from 'pinyin'
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// #endif
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export const friendGroupByPy = <
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T extends {
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[key: string]: any
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}
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>(
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arr: T[],
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keys: {
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firstKey: string
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secondKey?: string
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thirdKey?: string
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},
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isLowerCase = true
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): { key: string; data: T[] }[] => {
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const res: { [key: string]: T[] } = {}
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const OTHER_TAG = '#'
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const add = (k: string, v: T) => {
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const _k = isLowerCase ? k.toLowerCase() : k.toUpperCase()
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if (!res[_k]) {
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res[_k] = [v]
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} else {
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res[_k].push(v)
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}
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}
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arr.forEach((item) => {
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const v =
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item[keys.firstKey] ||
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item[keys.secondKey || ''] ||
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item[keys.thirdKey || '']
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if (!!v && typeof v === 'string') {
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const str = v[0]
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if (/^[a-zA-Z]$/.test(str)) {
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add(str.toLowerCase(), item)
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} else if (/^[\u4e00-\u9fa5]$/.test(str)) {
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const en = '*abcdefghjklmnopqrstwxyz'.split('')
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// #ifdef APP-PLUS
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// @ts-ignore
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const k = en.find((k) => {
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const py = pinyin(str, {
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style: 'FIRST_LETTER',
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})
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return py[0][0] === k
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})
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// #endif
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// #ifndef APP-PLUS
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const zh = '阿八嚓哒妸发旮哈讥咔垃痳拏噢妑七呥扨它穵夕丫帀'.split('')
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// @ts-ignore
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const k = en.find(
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(k, ki) =>
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(!zh[ki - 1] || zh[ki - 1].localeCompare(str, 'zh') <= 0) &&
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str.localeCompare(zh[ki], 'zh') == -1
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)
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// #endif
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if (k && k !== '*') {
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add(k, item)
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} else {
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add(OTHER_TAG, item)
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}
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} else {
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add(OTHER_TAG, item)
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}
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} else {
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add(OTHER_TAG, item)
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}
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})
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const data = Object.keys(res).map((k) => ({ key: k, data: res[k] }))
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const sortData = data
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.filter((item) => item.key !== OTHER_TAG)
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.sort((a, b) => a.key.localeCompare(b.key, 'en'))
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const otherData = data.filter((item) => item.key === OTHER_TAG)
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return sortData.concat(otherData)
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}
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