postcss-critical-css - npm Package Compare versions

Comparing version 2.1.5 to 3.0.0

lib/index.js

@@ -30,2 +30,7 @@ 'use strict';
 /**
+ * Append to an existing critical CSS file?
+ */
+var append = false;
+
+/**
  * Clean the original root node passed to the plugin, removing custom atrules,
@@ -40,6 +45,14 @@ * properties. Will additionally delete nodes as appropriate if
   root.walkAtRules('critical', function (atRule) {
-    if (preserve === false && !atRule.nodes) {
-      root.removeAll();
+    if (preserve === false) {
+      if (atRule.nodes && atRule.nodes.length) {
+        atRule.remove();
+      } else {
+        root.removeAll();
+      }
     } else {
-      atRule.remove();
+      if (atRule.nodes && atRule.nodes.length) {
+        atRule.replaceWith(atRule.nodes);
+      } else {
+        atRule.remove();
+      }
     }
@@ -126,3 +139,4 @@ });
 function writeCriticalFile(filePath, css) {
-  _fs2.default.writeFile(filePath, css, function (err) {
+  _fs2.default.writeFile(filePath, css, { flag: append ? 'a' : 'w' }, function (err) {
+    append = true;
     if (err) {
@@ -154,2 +168,3 @@ console.error(err);
   }, filteredOptions);
+  append = false;
   return function (css) {
@@ -156,0 +171,0 @@ var dryRun = args.dryRun,

package.json

 {
   "name": "postcss-critical-css",
-  "version": "2.1.5",
+  "version": "3.0.0",
   "description": "Generate critical CSS using PostCSS",
@@ -34,3 +34,3 @@ "main": "index.js",
     "eslint-plugin-standard": "^3.0.1",
-    "flow-bin": "^0.45.0",
+    "flow-bin": "^0.48.0",
     "minimist": "^1.2.0",
@@ -37,0 +37,0 @@ "tape": "^4.6.0"

src/index.js

@@ -11,2 +11,7 @@ // @flow
 /**
+ * Append to an existing critical CSS file?
+ */
+let append = false
+
+/**
  * Clean the original root node passed to the plugin, removing custom atrules,
@@ -21,6 +26,14 @@ * properties. Will additionally delete nodes as appropriate if
   root.walkAtRules('critical', (atRule: Object) => {
-    if (preserve === false && !atRule.nodes) {
-      root.removeAll()
+    if (preserve === false) {
+      if (atRule.nodes && atRule.nodes.length) {
+        atRule.remove()
+      } else {
+        root.removeAll()
+      }
     } else {
-      atRule.remove()
+      if (atRule.nodes && atRule.nodes.length) {
+        atRule.replaceWith(atRule.nodes)
+      } else {
+        atRule.remove()
+      }
     }
@@ -112,8 +125,14 @@ })
 function writeCriticalFile (filePath: string, css: string) {
-  fs.writeFile(filePath, css, (err: Object) => {
-    if (err) {
-      console.error(err)
-      process.exit(1)
+  fs.writeFile(
+    filePath,
+    css,
+    { flag: append ? 'a' : 'w' },
+    (err: ?ErrnoError) => {
+      append = true
+      if (err) {
+        console.error(err)
+        process.exit(1)
+      }
     }
-  })
+  )
 }
@@ -143,2 +162,3 @@
   }
+  append = false
   return (css: Object): Object => {
@@ -145,0 +165,0 @@ const { dryRun, preserve, minify, outputPath, outputDest } = args

No alert changes

Improved metrics

Total package byte prevSize

49682

increased by2.1%

Lines of code

1458

increased by2.89%

No dependency changes