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author | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
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committer | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
commit | 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch) | |
tree | c7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/autoprefixer/lib/brackets.js | |
parent | 412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff) | |
download | website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip |
build: Add some required modules for node
Diffstat (limited to 'node_modules/autoprefixer/lib/brackets.js')
-rw-r--r-- | node_modules/autoprefixer/lib/brackets.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/node_modules/autoprefixer/lib/brackets.js b/node_modules/autoprefixer/lib/brackets.js new file mode 100644 index 0000000..c548609 --- /dev/null +++ b/node_modules/autoprefixer/lib/brackets.js @@ -0,0 +1,80 @@ +"use strict"; + +function last(array) { + return array[array.length - 1]; +} + +var brackets = { + /** + * Parse string to nodes tree + */ + parse: function parse(str) { + var current = ['']; + var stack = [current]; + + for (var _iterator = str, _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 sym = _ref; + + if (sym === '(') { + current = ['']; + last(stack).push(current); + stack.push(current); + continue; + } + + if (sym === ')') { + stack.pop(); + current = last(stack); + current.push(''); + continue; + } + + current[current.length - 1] += sym; + } + + return stack[0]; + }, + + /** + * Generate output string by nodes tree + */ + stringify: function stringify(ast) { + var result = ''; + + for (var _iterator2 = ast, _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) { + var _ref2; + + if (_isArray2) { + if (_i2 >= _iterator2.length) break; + _ref2 = _iterator2[_i2++]; + } else { + _i2 = _iterator2.next(); + if (_i2.done) break; + _ref2 = _i2.value; + } + + var i = _ref2; + + if (typeof i === 'object') { + result += "(" + brackets.stringify(i) + ")"; + continue; + } + + result += i; + } + + return result; + } +}; +module.exports = brackets;
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