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tokenize-arg-string.js 856 Bytes
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animalcoder 提交于 2020-03-17 14:52 +08:00 . Vueinit
// take an un-split argv string and tokenize it.
module.exports = function (argString) {
if (Array.isArray(argString)) {
return argString.map(e => typeof e !== 'string' ? e + '' : e)
}
argString = argString.trim()
let i = 0
let prevC = null
let c = null
let opening = null
const args = []
for (let ii = 0; ii < argString.length; ii++) {
prevC = c
c = argString.charAt(ii)
// split on spaces unless we're in quotes.
if (c === ' ' && !opening) {
if (!(prevC === ' ')) {
i++
}
continue
}
// don't split the string if we're in matching
// opening or closing single and double quotes.
if (c === opening) {
opening = null
} else if ((c === "'" || c === '"') && !opening) {
opening = c
}
if (!args[i]) args[i] = ''
args[i] += c
}
return args
}
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