postcss-property-lookup - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

build/index.js

@@ -13,23 +13,96 @@ 'use strict';
 
-exports['default'] = _postcss2['default'].plugin('postcss-property-lookup', propertyLookup);
+var plugin = 'postcss-property-lookup';
+var lookupPattern = /@([a-z-]+)(\s?)/g;
+var defaultOptions = {
+  logLevel: 'warn'
+};
 
+exports['default'] = _postcss2['default'].plugin(plugin, propertyLookup);
+
 function propertyLookup() {
+  var _this = this;
+
+  var options = arguments[0] === undefined ? defaultOptions : arguments[0];
+
+  var errorContext = { plugin: plugin };
+
+  var log = ({
+    warn: function warn(message, rule, result) {
+      rule.warn(result, message);
+    },
+    error: function error(message, rule) {
+      throw rule.error(message, errorContext);
+    }
+  })[options.logLevel];
+
+  if (!log) {
+    throw new Error('Invalid logLevel: ' + options.logLevel);
+  }
+
   return function (root, result) {
     root.walkRules(function (rule) {
-      rule.replaceValues(/@([a-z-]+)(\s?)/g, { fast: '@' }, function (orig, prop, space) {
-        var replacementVal = undefined;
-        rule.walkDecls(prop, function (decl) {
-          return replacementVal = decl.value;
-        });
+      eachDecl(rule, function (decl) {
+        if (decl.value.indexOf('@') === -1) {
+          return;
+        }
+        decl.value = decl.value.replace(lookupPattern, resolveLookup.bind(_this, rule));
+      });
+    });
 
-        if (replacementVal) {
-          return replacementVal + space;
-        } else {
-          result.warn('Unable to find property ' + orig + ' in ' + rule.selector, { node: rule });
+    function resolveLookup(rule, orig, prop, space) {
+      var resolvedValue = closest(rule, prop);
+
+      if (!resolvedValue) {
+        log('Unable to find property ' + orig + ' in ' + rule.selector, rule, result);
+      }
+
+      return resolvedValue + space;
+    }
+
+    function closest(_x2, _x3) {
+      var _this2 = this;
+
+      var _again = true;
+
+      _function: while (_again) {
+        var container = _x2,
+            prop = _x3;
+        resolvedValue = undefined;
+        _again = false;
+
+        if (!container) {
           return '';
         }
-      });
-    });
+        var resolvedValue = undefined;
+
+        eachDecl(container, function (decl) {
+          if (decl.prop === prop) {
+            resolvedValue = decl.value;
+          }
+        });
+
+        if (!resolvedValue) {
+          _x2 = container.parent;
+          _x3 = prop;
+          _again = true;
+          continue _function;
+        }
+
+        if (resolvedValue.indexOf('@') === -1) {
+          return resolvedValue;
+        }
+
+        return resolvedValue.replace(lookupPattern, resolveLookup.bind(_this2, container));
+      }
+    }
   };
 }
+
+function eachDecl(container, callback) {
+  container.nodes.forEach(function (node) {
+    if (node.type === 'decl') {
+      callback(node);
+    }
+  });
+}
 module.exports = exports['default'];

package.json

 {
   "name": "postcss-property-lookup",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "PostCSS plugin that allows referencing property values without a variable",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -37,1 +37,11 @@ # postcss-property-lookup [![Build Status][ci-img]][ci]
 See [PostCSS] docs for examples for your environment.
+
+## Options
+
+### logLevel
+
+Type: `string: <error|warn>`<br>
+Required: `false`<br>
+Default: `warn`
+
+When a lookup cannot be resolved, this specifies whether to throw an error or log a warning. In the case of a warning, the invalid lookup value will be replaced with an empty string.

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Improved metrics

Total package byte prevSize

6312

increased by40.33%

Lines of code

82

increased by215.38%

Number of lines in readme file

47

increased by27.03%

No dependency changes