Check ES6 ES7 ES8 ES9 ES10 ES11 ES12.....
Check whether ES syntax and APIs are used in the code.
In the actual development situation, there are some need to check whether the latest ES syntax are used in the code to decide if compatibility processing is required, such as in mini-programs, some older websites, and so on.
yarn add es-checkerfunction type
type ecmaCheck = (filesArgs: string | string[], target: EcmaVersionType = 'es6', config: ConfigType) => voidimport
import ecmaCheck from 'es-checker'file
// single file
ecmaCheck('a.js', 'es6')
// mut files
ecmaCheck(['a.js', 'b.js'], 'es6')
target
ecmaCheck('a.js', 'es7')config: (fast-glob options)
ecmaCheck('a.js', 'es7', {
dir: '',
ignore: []
})export type EcmaVersionType = 'es6' | 'es7' | 'es8' | 'es9' | 'es10' | 'es11' | 'es12' | 'es2015' | 'es2016' | 'es2017' | 'es2018' | 'es2019' | 'es2020' | 'es2021'type ConfigType = {
dir?: string; // cwd
ignore?: string | string[]; // some files to ignore
}- bin command support