updates

1 files changed, 67 insertions, 0 deletions

diff --git a/node_modules/postcss-calc/dist/lib/transform.js b/node_modules/postcss-calc/dist/lib/transform.js
new file mode 100644
index 00000000..1a4505f9
--- /dev/null
+++ b/node_modules/postcss-calc/dist/lib/transform.js
@@ -0,0 +1,67 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _postcssSelectorParser = require('postcss-selector-parser');
+
+var _postcssSelectorParser2 = _interopRequireDefault(_postcssSelectorParser);
+
+var _reduceCssCalc = require('reduce-css-calc');
+
+var _reduceCssCalc2 = _interopRequireDefault(_reduceCssCalc);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var MATCH_CALC = /((?:\-[a-z]+\-)?calc)/;
+
+function transformValue(value, options, result, item) {
+  if (!value) {
+    return value;
+  }
+
+  var reduced = (0, _reduceCssCalc2.default)(value, options.precision);
+  // if the warnWhenCannotResolve option is on, inform the user that the calc
+  // expression could not be resolved to a single value
+  if (options.warnWhenCannotResolve && MATCH_CALC.test(reduced)) {
+    result.warn("Could not reduce expression: " + value, { plugin: 'postcss-calc', node: item });
+  }
+
+  return reduced;
+}
+
+function transformSelector(value, options, result, item) {
+  return (0, _postcssSelectorParser2.default)(function (selectors) {
+    selectors.walk(function (node) {
+      // attribute value
+      // e.g. the "calc(3*3)" part of "div[data-size="calc(3*3)"]"
+      if (node.type === 'attribute') {
+        var val = transformValue(node.raws.unquoted, options, result, item);
+        node.value = node.quoted ? '"' + val + '"' : val;
+      }
+
+      // tag value
+      // e.g. the "calc(3*3)" part of "div:nth-child(2n + calc(3*3))"
+      if (node.type === 'tag') node.value = transformValue(node.value, options, result, item);
+
+      return;
+    });
+  }).process(value).result.toString();
+}
+
+exports.default = function (node, property, options, result) {
+  var value = property === "selector" ? transformSelector(node[property], options, result, node) : transformValue(node[property], options, result, node);
+
+  // if the preserve option is enabled and the value has changed, write the
+  // transformed value into a cloned node which is inserted before the current
+  // node, preserving the original value. Otherwise, overwrite the original
+  // value.
+  if (options.preserve && node[property] !== value) {
+    var clone = node.clone();
+    clone[property] = value;
+    node.parent.insertBefore(node, clone);
+  } else node[property] = value;
+};
+
+module.exports = exports['default'];
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