move linter worker loaders to edit/

edit/csslint-loader.js

@@ -1,7 +1,9 @@
-/* global parserlib CSSLint parseMozFormat */
+/* global importScripts parserlib CSSLint parseMozFormat */
 'use strict';
 
-self.importScripts('./parserlib.js');
+const CSSLINT_PATH = '/vendor-overwrites/csslint/';
+importScripts(CSSLINT_PATH + 'parserlib.js');
+
 parserlib.css.Tokens[parserlib.css.Tokens.COMMENT].hide = false;
 
 self.onmessage = ({data}) => {
@@ -14,7 +16,7 @@ self.onmessage = ({data}) => {
     return;
   }
 
-  if (!self.CSSLint) self.importScripts('./csslint.js');
+  if (!self.CSSLint) self.importScripts(CSSLINT_PATH + 'csslint.js');
 
   switch (action) {
     case 'getAllRuleIds':

edit/lint.js

@@ -20,8 +20,8 @@ var linterConfig = {
     stylelint: 'editorStylelintConfig',
   },
   worker: {
-    csslint: {path: '/vendor-overwrites/csslint/csslint-loader.js'},
-    stylelint: {path: '/vendor-overwrites/stylelint/stylelint-bundle.min.js'},
+    csslint: {path: '/edit/csslint-loader.js'},
+    stylelint: {path: '/edit/stylelint-loader.js'},
   },
   allRuleIds: {
     csslint: null,

edit/stylelint-loader.js

@@ -0,0 +1,58 @@
+/* global require importScripts */
+'use strict';
+
+importScripts('/vendor/stylelint-bundle/stylelint-bundle.min.js');
+
+const stylelint = require('stylelint');
+
+self.onmessage = ({data: {action = 'run', code, config}}) => {
+  switch (action) {
+    case 'getAllRuleIds':
+      // the functions are non-tranferable
+      self.postMessage(Object.keys(stylelint.rules));
+      return;
+    case 'getAllRuleOptions':
+      self.postMessage(getAllRuleOptions());
+      return;
+    case 'run':
+      stylelint.lint({code, config}).then(results =>
+        self.postMessage(results));
+      return;
+  }
+};
+
+function getAllRuleOptions() {
+  const options = {};
+  const rxPossible = /\bpossible:("(?:[^"]*?)"|\[(?:[^\]]*?)\]|\{(?:[^}]*?)\})/g;
+  const rxString = /"([-\w\s]{3,}?)"/g;
+  for (const id of Object.keys(stylelint.rules)) {
+    const ruleCode = String(stylelint.rules[id]);
+    const sets = [];
+    let m, mStr;
+    while ((m = rxPossible.exec(ruleCode))) {
+      const possible = m[1];
+      const set = [];
+      while ((mStr = rxString.exec(possible))) {
+        const s = mStr[1];
+        if (s.includes(' ')) {
+          set.push(...s.split(/\s+/));
+        } else {
+          set.push(s);
+        }
+      }
+      if (possible.includes('ignoreAtRules')) {
+        set.push('ignoreAtRules');
+      }
+      if (possible.includes('ignoreShorthands')) {
+        set.push('ignoreShorthands');
+      }
+      if (set.length) {
+        sets.push(set);
+      }
+    }
+    if (sets.length) {
+      options[id] = sets;
+    }
+  }
+  return options;
+}

js/usercss.js

@@ -600,7 +600,7 @@ var usercss = (() => {
 
   function invokeWorker(message) {
     if (!worker.queue) {
-      worker.instance = new Worker('/vendor-overwrites/csslint/csslint-loader.js');
+      worker.instance = new Worker('/edit/csslint-loader.js');
       worker.queue = [];
       worker.instance.onmessage = ({data}) => {
         worker.queue.shift().resolve(data.__ERROR__ ? Promise.reject(data.__ERROR__) : data);