ccc-tnt-psd2ui/npm-packages/mac-v3.4.+/postcss/lib/list.js
2023-09-06 09:51:55 +08:00

59 lines
1.2 KiB
JavaScript

'use strict'
let list = {
comma(string) {
return list.split(string, [','], true)
},
space(string) {
let spaces = [' ', '\n', '\t']
return list.split(string, spaces)
},
split(string, separators, last) {
let array = []
let current = ''
let split = false
let func = 0
let inQuote = false
let prevQuote = ''
let escape = false
for (let letter of string) {
if (escape) {
escape = false
} else if (letter === '\\') {
escape = true
} else if (inQuote) {
if (letter === prevQuote) {
inQuote = false
}
} else if (letter === '"' || letter === "'") {
inQuote = true
prevQuote = letter
} else if (letter === '(') {
func += 1
} else if (letter === ')') {
if (func > 0) func -= 1
} else if (func === 0) {
if (separators.includes(letter)) split = true
}
if (split) {
if (current !== '') array.push(current.trim())
current = ''
split = false
} else {
current += letter
}
}
if (last || current !== '') array.push(current.trim())
return array
}
}
module.exports = list
list.default = list