react-scripts
Version:
Configuration and scripts for Create React App.
96 lines (84 loc) • 7.97 kB
JavaScript
;
exports.__esModule = true;
/**
* Contains helpers for safely splitting lists of CSS values,
* preserving parentheses and quotes.
*
* @example
* const list = postcss.list;
*
* @namespace list
*/
var list = {
split: function split(string, separators, last) {
var array = [];
var current = '';
var split = false;
var func = 0;
var quote = false;
var escape = false;
for (var i = 0; i < string.length; i++) {
var letter = string[i];
if (quote) {
if (escape) {
escape = false;
} else if (letter === '\\') {
escape = true;
} else if (letter === quote) {
quote = false;
}
} else if (letter === '"' || letter === '\'') {
quote = letter;
} else if (letter === '(') {
func += 1;
} else if (letter === ')') {
if (func > 0) func -= 1;
} else if (func === 0) {
if (separators.indexOf(letter) !== -1) 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;
},
/**
* Safely splits space-separated values (such as those for `background`,
* `border-radius`, and other shorthand properties).
*
* @param {string} string - space-separated values
*
* @return {string[]} splitted values
*
* @example
* postcss.list.space('1px calc(10% + 1px)') //=> ['1px', 'calc(10% + 1px)']
*/
space: function space(string) {
var spaces = [' ', '\n', '\t'];
return list.split(string, spaces);
},
/**
* Safely splits comma-separated values (such as those for `transition-*`
* and `background` properties).
*
* @param {string} string - comma-separated values
*
* @return {string[]} splitted values
*
* @example
* postcss.list.comma('black, linear-gradient(white, black)')
* //=> ['black', 'linear-gradient(white, black)']
*/
comma: function comma(string) {
var comma = ',';
return list.split(string, [comma], true);
}
};
exports.default = list;
module.exports = exports['default'];
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