Tweak code

Author: TrySound

src/index.js

@@ -2,6 +2,8 @@
 import postcss from "postcss";
 import Tokenizer from "css-selector-tokenizer";
 
+const plugin = "postcss-modules-local-by-default";
+
 function normalizeNodeArray(nodes) {
   var array = [];
   nodes.forEach(function(x) {
@@ -21,10 +23,10 @@ function normalizeNodeArray(nodes) {
 
 function localizeNode(node, context) {
   if (context.ignoreNextSpacing && node.type !== "spacing") {
-    throw new Error("Missing whitespace after :" + context.ignoreNextSpacing);
+    throw Error(`Missing whitespace after :${context.ignoreNextSpacing}`);
   }
   if (context.enforceNoSpacing && node.type === "spacing") {
-    throw new Error("Missing whitespace before :" + context.enforceNoSpacing);
+    throw Error(`Missing whitespace before :${context.enforceNoSpacing}`);
   }
 
   var newNodes;
@@ -43,10 +45,8 @@ function localizeNode(node, context) {
         if (typeof resultingGlobal === "undefined") {
           resultingGlobal = nContext.global;
         } else if (resultingGlobal !== nContext.global) {
-          throw new Error(
-            'Inconsistent rule global/local result in rule "' +
-              Tokenizer.stringify(node) +
-              '" (multiple selectors must result in the same mode for the rule)'
+          throw Error(
+            `Inconsistent rule global/local result in rule "${Tokenizer.stringify(node)}" (multiple selectors must result in the same mode for the rule)`
           );
         }
         if (!nContext.hasLocals) {
@@ -80,7 +80,7 @@ function localizeNode(node, context) {
     case "pseudo-class":
       if (node.name === "local" || node.name === "global") {
         if (context.inside) {
-          throw new Error(
+          throw Error(
             "A :" +
               node.name +
               " is not allowed inside of a :" +
@@ -100,7 +100,7 @@ function localizeNode(node, context) {
       var subContext;
       if (node.name === "local" || node.name === "global") {
         if (context.inside) {
-          throw new Error(
+          throw Error(
             "A :" +
               node.name +
               "(...) is not allowed inside of a :" +
@@ -159,50 +159,41 @@ function localizeNode(node, context) {
   return node;
 }
 
-module.exports = postcss.plugin(
-  "postcss-modules-local-by-default",
-  (options = {}) => css => {
-    if (
-      options.mode &&
-      options.mode !== "global" &&
-      options.mode !== "local" &&
-      options.mode !== "pure"
-    ) {
-      throw Error(
-        'options.mode must be either "global", "local" or "pure" (default "local")'
+module.exports = postcss.plugin(plugin, (options = {}) => css => {
+  if (
+    options.mode &&
+    options.mode !== "global" &&
+    options.mode !== "local" &&
+    options.mode !== "pure"
+  ) {
+    throw Error(
+      'options.mode must be either "global", "local" or "pure" (default "local")'
+    );
+  }
+  var pureMode = options.mode === "pure";
+  var globalMode = options.mode === "global";
+  css.walkRules(function(rule) {
+    if (rule.parent.type === "atrule" && /keyframes$/.test(rule.parent.name)) {
+      // ignore keyframe rules
+      return;
+    }
+    var selector = Tokenizer.parse(rule.selector);
+    var context = {
+      options: options,
+      global: globalMode,
+      hasPureGlobals: false
+    };
+    var newSelector;
+    try {
+      newSelector = localizeNode(selector, context);
+    } catch (e) {
+      throw rule.error(e.message);
+    }
+    if (pureMode && context.hasPureGlobals) {
+      throw rule.error(
+        `Selector "${Tokenizer.stringify(selector)}" is not pure (pure selectors must contain at least one local class or id)`
       );
     }
-    var pureMode = options.mode === "pure";
-    var globalMode = options.mode === "global";
-    css.walkRules(function(rule) {
-      if (
-        rule.parent.type === "atrule" &&
-        /keyframes$/.test(rule.parent.name)
-      ) {
-        // ignore keyframe rules
-        return;
-      }
-      var selector = Tokenizer.parse(rule.selector);
-      var context = {
-        options: options,
-        global: globalMode,
-        hasPureGlobals: false
-      };
-      var newSelector;
-      try {
-        newSelector = localizeNode(selector, context);
-      } catch (e) {
-        throw rule.error(e.message);
-      }
-      if (pureMode && context.hasPureGlobals) {
-        throw rule.error(
-          'Selector "' +
-            Tokenizer.stringify(selector) +
-            '" is not pure ' +
-            "(pure selectors must contain at least one local class or id)"
-        );
-      }
-      rule.selector = Tokenizer.stringify(newSelector);
-    });
-  }
-);
+    rule.selector = Tokenizer.stringify(newSelector);
+  });
+});