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logical-string

支持 &&||() 组合的字符串,方便以字符串的形式配置逻辑组合条件,如 a && (b || c)

另外支持在条件前使用 ! 表示非操作,但不支持在 () 前使用,如支持 a && !b,但不支持 !(a || b)

Installation

npm i -S logical-string

Usage

import { parse } from 'logical-string'

// 指定字符串中包含元音字母就返回 true
const isContainsVowel = (str) => [ 'a', 'e', 'i', 'o', 'u' ].some(k => str.includes(k))

parse('a && (b || c)', isContainsVowel) // 等介于执行 `true && (false || false)`,所以最终返回 false

Changelog

Changelog

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT

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支持 & 和 | 组合的字符串,方便以字符串的形式配置逻辑组合条件

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