aboutsummaryrefslogtreecommitdiff
path: root/node_modules/autoprefixer/lib/utils.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/autoprefixer/lib/utils.js')
-rw-r--r--node_modules/autoprefixer/lib/utils.js108
1 files changed, 108 insertions, 0 deletions
diff --git a/node_modules/autoprefixer/lib/utils.js b/node_modules/autoprefixer/lib/utils.js
new file mode 100644
index 0000000..081da6d
--- /dev/null
+++ b/node_modules/autoprefixer/lib/utils.js
@@ -0,0 +1,108 @@
+"use strict";
+
+var list = require('postcss').list;
+
+module.exports = {
+ /**
+ * Throw special error, to tell beniary,
+ * that this error is from Autoprefixer.
+ */
+ error: function error(text) {
+ var err = new Error(text);
+ err.autoprefixer = true;
+ throw err;
+ },
+
+ /**
+ * Return array, that doesn’t contain duplicates.
+ */
+ uniq: function uniq(array) {
+ var filtered = [];
+
+ for (var _iterator = array, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+ var _ref;
+
+ if (_isArray) {
+ if (_i >= _iterator.length) break;
+ _ref = _iterator[_i++];
+ } else {
+ _i = _iterator.next();
+ if (_i.done) break;
+ _ref = _i.value;
+ }
+
+ var i = _ref;
+
+ if (!filtered.includes(i)) {
+ filtered.push(i);
+ }
+ }
+
+ return filtered;
+ },
+
+ /**
+ * Return "-webkit-" on "-webkit- old"
+ */
+ removeNote: function removeNote(string) {
+ if (!string.includes(' ')) {
+ return string;
+ }
+
+ return string.split(' ')[0];
+ },
+
+ /**
+ * Escape RegExp symbols
+ */
+ escapeRegexp: function escapeRegexp(string) {
+ return string.replace(/[.?*+^$[\]\\(){}|-]/g, '\\$&');
+ },
+
+ /**
+ * Return regexp to check, that CSS string contain word
+ */
+ regexp: function regexp(word, escape) {
+ if (escape === void 0) {
+ escape = true;
+ }
+
+ if (escape) {
+ word = this.escapeRegexp(word);
+ }
+
+ return new RegExp("(^|[\\s,(])(" + word + "($|[\\s(,]))", 'gi');
+ },
+
+ /**
+ * Change comma list
+ */
+ editList: function editList(value, callback) {
+ var origin = list.comma(value);
+ var changed = callback(origin, []);
+
+ if (origin === changed) {
+ return value;
+ }
+
+ var join = value.match(/,\s*/);
+ join = join ? join[0] : ', ';
+ return changed.join(join);
+ },
+
+ /**
+ * Split the selector into parts.
+ * It returns 3 level deep array because selectors can be comma
+ * separated (1), space separated (2), and combined (3)
+ * @param {String} selector selector string
+ * @return {Array<Array<Array>>} 3 level deep array of split selector
+ * @see utils.test.js for examples
+ */
+ splitSelector: function splitSelector(selector) {
+ return list.comma(selector).map(function (i) {
+ return list.space(i).map(function (k) {
+ return k.split(/(?=\.|#)/g);
+ });
+ });
+ }
+}; \ No newline at end of file