Add: adopt node-semver

background/update.js

@@ -1,5 +1,6 @@
 /* global getStyles, saveStyle, styleSectionsEqual, chromeLocal */
-/* global calcStyleDigest, usercss */
+/* global calcStyleDigest */
+/* global usercss semverCompare */
 'use strict';
 
 // eslint-disable-next-line no-var
@@ -100,10 +101,10 @@ var updater = {
           return Promise.reject(updater.ERROR_VERSION);
         }
         if (style.version) {
-          if (usercss.semverTest(style.version, json.version) === 0) {
+          if (semverCompare(style.version, json.version) === 0) {
             return Promise.reject(updater.SAME_VERSION);
           }
-          if (usercss.semverTest(style.version, json.version) > 0) {
+          if (semverCompare(style.version, json.version) > 0) {
             return Promise.reject(updater.ERROR_VERSION);
           }
         }

content/install-user-css.js

@@ -1,4 +1,4 @@
-/* global usercss */
+/* global semverCompare */
 
 'use strict';
 
@@ -63,8 +63,8 @@ function getAppliesTo(style) {
 }
 
 function initInstallPage({style, dup}) {
-  pendingResource.then(() => {
-    const versionTest = dup && usercss.semverTest(style.version, dup.version);
+  return pendingResource.then(() => {
+    const versionTest = dup && semverCompare(style.version, dup.version);
     document.body.innerHTML = '';
     // FIXME: i18n
     document.body.appendChild(tHTML(`
@@ -113,7 +113,7 @@ function initInstallPage({style, dup}) {
 }
 
 function initErrorPage(err, source) {
-  pendingResource.then(() => {
+  return pendingResource.then(() => {
     document.body.innerHTML = '';
     // FIXME: i18n
     document.body.appendChild(tHTML(`
@@ -135,6 +135,7 @@ function initUsercssInstall() {
       '/js/dom.js',
       '/js/localization.js',
       '/js/usercss.js',
+      '/vendor/node-semver/semver.js',
       '/content/install-user-css.css'
     ]
   });

js/usercss.js

@@ -9,30 +9,6 @@ var usercss = (function () {
     'namespace', 'noframes', 'preprocessor', 'supportURL', 'var', 'version'
   ];
 
-  // FIXME: use a real semver module
-  function semverTest(a, b) {
-    a = a.split('.').map(Number);
-    b = b.split('.').map(Number);
-
-    for (let i = 0; i < a.length; i++) {
-      if (!(i in b)) {
-        return 1;
-      }
-      if (a[i] < b[i]) {
-        return -1;
-      }
-      if (a[i] > b[i]) {
-        return 1;
-      }
-    }
-
-    if (a.length < b.length) {
-      return -1;
-    }
-
-    return 0;
-  }
-
   const BUILDER = {
     default: {
       postprocess(sections, vars) {
@@ -243,5 +219,5 @@ var usercss = (function () {
     // FIXME: validate variable formats
   }
 
-  return {buildMeta, buildCode, semverTest};
+  return {buildMeta, buildCode};
 })();

manifest.json

@@ -27,6 +27,7 @@
       "js/prefs.js",
       "js/script-loader.js",
       "background/background.js",
+      "vendor/node-semver/semver.js",
       "background/update.js"
     ]
   },

vendor/node-semver/README.md

@@ -0,0 +1 @@
+See https://github.com/eight04/node-semver-bundle.