Use TS and JSX shared configs from eslint-config-hypothesis

dev-server/serve-dev.js

@@ -130,7 +130,7 @@ export function serveDev(port, config) {
     if (fs.existsSync(path)) {
       const content = fs.readFileSync(path, 'utf8');
       const headers = readCustomHeaderTags(content);
-      for (let [key, value] of headers) {
+      for (const [key, value] of headers) {
         res.set(key, value);
       }
       res.render(req.params.document, templateContext(config));

eslint.config.js

@@ -1,9 +1,9 @@
-import hypothesis from 'eslint-config-hypothesis';
-import jsxA11y from 'eslint-plugin-jsx-a11y';
+import hypothesisBase from 'eslint-config-hypothesis/base';
+import hypothesisJSX from 'eslint-config-hypothesis/jsx';
+import hypothesisTS from 'eslint-config-hypothesis/ts';
 import globals from 'globals';
-import tseslint from 'typescript-eslint';
 
-export default tseslint.config(
+export default [
   {
     ignores: [
       '.tox/**/*',
@@ -16,41 +16,10 @@ export default tseslint.config(
       'dev-server/static/**/*.js',
     ],
   },
-  ...hypothesis,
-  ...tseslint.configs.recommended,
-  jsxA11y.flatConfigs.recommended,
-  {
-    rules: {
-      'prefer-arrow-callback': [
-        'error',
-        {
-          allowNamedFunctions: true,
-        },
-      ],
-
-      'object-shorthand': ['error', 'properties'],
-      'react/prop-types': 'off',
-      '@typescript-eslint/no-unused-vars': 'error',
-      'no-use-before-define': 'off',
 
-      '@typescript-eslint/no-use-before-define': [
-        'error',
-        {
-          functions: false,
-          typedefs: false,
-          ignoreTypeReferences: false,
-        },
-      ],
-
-      '@typescript-eslint/ban-ts-comment': 'off',
-      '@typescript-eslint/no-empty-function': 'off',
-      '@typescript-eslint/no-explicit-any': 'off',
-      '@typescript-eslint/no-non-null-assertion': 'off',
-      '@typescript-eslint/no-this-alias': 'off',
-      '@typescript-eslint/consistent-type-assertions': 'error',
-      '@typescript-eslint/consistent-type-imports': 'error',
-    },
-  },
+  ...hypothesisBase,
+  ...hypothesisJSX,
+  ...hypothesisTS,
 
   // Annotator module
   {
@@ -85,4 +54,4 @@ export default tseslint.config(
       },
     },
   },
-);
+];

package.json

@@ -57,7 +57,7 @@
     "escape-html": "^1.0.3",
     "escape-string-regexp": "^4.0.0",
     "eslint": "^9.12.0",
-    "eslint-config-hypothesis": "^3.0.0",
+    "eslint-config-hypothesis": "^3.1.0",
     "eslint-plugin-jsx-a11y": "^6.10.0",
     "eslint-plugin-mocha": "^10.5.0",
     "eslint-plugin-react": "^7.37.1",

scripts/generate-change-list.js

@@ -43,7 +43,7 @@ function getHighestVersionTag() {
  */
 async function* itemsInGitHubAPIResponse(octokit, options) {
   for await (const page of octokit.paginate.iterator(options)) {
-    for (let item of page.data) {
+    for (const item of page.data) {
       yield item;
     }
   }

src/annotator/anchoring/test/xpath-test.js

@@ -70,7 +70,7 @@ describe('annotator/anchoring/xpath', () => {
       },
     ].forEach(test => {
       it('produces the correct xpath for the provided node', () => {
-        let node = document.getElementById(test.id);
+        const node = document.getElementById(test.id);
         assert.equal(xpathFromNode(node, document.body), test.xpaths[0]);
       });
 

src/annotator/config/test/app-test.js

@@ -77,7 +77,7 @@ describe('createAppConfig', () => {
       'onHelpRequest',
     ];
     const service = {};
-    for (let callback of callbacks) {
+    for (const callback of callbacks) {
       service[callback] = sinon.stub();
     }
 
@@ -87,7 +87,7 @@ describe('createAppConfig', () => {
     const sidebarConfig = createAppConfig(appURL, config);
     const sidebarServiceConfig = sidebarConfig.services[0];
 
-    for (let callback of callbacks) {
+    for (const callback of callbacks) {
       assert.equal(sidebarServiceConfig[callback + 'Provided'], true);
     }
   });

src/annotator/integrations/test/html-metadata-test.js

@@ -82,7 +82,7 @@ describe('HTMLMetadata', () => {
         },
       ];
 
-      for (let source of sources) {
+      for (const source of sources) {
         const metadata = testDocument.getDocumentMetadata();
         assert.equal(metadata.title, source.value);
 

src/annotator/integrations/test/html-test.js

@@ -182,7 +182,7 @@ describe('HTMLIntegration', () => {
       const listeners = features.on.args;
       integration.destroy();
 
-      for (let [event, callback] of listeners) {
+      for (const [event, callback] of listeners) {
         assert.calledWith(features.off, event, callback);
       }
     });

src/annotator/integrations/test/image-text-layer-test.js

@@ -299,7 +299,7 @@ describe('ImageTextLayer', () => {
 
       const tolerance = 0.01;
       assert.equal(originalBoxes.length, newBoxes.length);
-      for (let [i, originalBox] of originalBoxes.entries()) {
+      for (const [i, originalBox] of originalBoxes.entries()) {
         const newBox = newBoxes[i];
 
         const leftGap = originalBox.left - imageBox.left;

src/annotator/integrations/test/vitalsource-test.js

@@ -379,7 +379,7 @@ describe('annotator/integrations/vitalsource', () => {
 
       const events = ['mouseup', 'mousedown', 'mouseout'];
 
-      for (let eventName of events) {
+      for (const eventName of events) {
         const listener = sinon.stub();
         document.addEventListener(eventName, listener);
 

src/annotator/test/annotation-counts-test.js

@@ -34,15 +34,14 @@ describe('annotationCounts', () => {
 
   describe('listen for "publicAnnotationCountChanged" event', () => {
     const emitEvent = function () {
-      let crossFrameArgs;
       let evt;
       let fn;
 
       const event = arguments[0];
       const args =
         2 <= arguments.length ? Array.prototype.slice.call(arguments, 1) : [];
 
-      crossFrameArgs = fakeCrossFrame.on.args;
+      const crossFrameArgs = fakeCrossFrame.on.args;
       for (let i = 0, len = crossFrameArgs.length; i < len; i++) {
         evt = crossFrameArgs[i][0];
         fn = crossFrameArgs[i][1];

src/annotator/test/guest-test.js

@@ -79,7 +79,7 @@ describe('Guest', () => {
   };
 
   const emitSidebarEvent = (event, ...args) => {
-    for (let [evt, fn] of sidebarRPC().on.args) {
+    for (const [evt, fn] of sidebarRPC().on.args) {
       if (event === evt) {
         fn(...args);
       }

src/annotator/test/highlighter-test.js

@@ -408,7 +408,7 @@ describe('annotator/highlighter', () => {
    * Returns all the highlight elements.
    */
   function createHighlights(root, cssClass = '') {
-    let highlights = [];
+    const highlights = [];
 
     for (let i = 0; i < 3; i++) {
       const span = document.createElement('span');

src/annotator/test/sidebar-test.js

@@ -52,7 +52,7 @@ describe('Sidebar', () => {
 
   const emitNthGuestEvent = (index = 1, event, ...args) => {
     const result = [];
-    for (let [evt, fn] of guestRPC(index).on.args) {
+    for (const [evt, fn] of guestRPC(index).on.args) {
       if (event === evt) {
         result.push(fn(...args));
       }
@@ -66,7 +66,7 @@ describe('Sidebar', () => {
 
   const emitSidebarEvent = (event, ...args) => {
     const result = [];
-    for (let [evt, fn] of sidebarRPC().on.args) {
+    for (const [evt, fn] of sidebarRPC().on.args) {
       if (event === evt) {
         result.push(fn(...args));
       }

src/annotator/util/test/normalize-test.js

@@ -117,7 +117,7 @@ describe('annotator/util/normalize', () => {
       const end = start + 'bar'.length;
 
       const outStrs = ['', 'foo   b', 'fooba'];
-      for (let outStr of outStrs) {
+      for (const outStr of outStrs) {
         const [outStart, outEnd] = translateOffsets(
           inStr,
           outStr,

src/annotator/util/test/preact-container-test.js

@@ -44,7 +44,7 @@ describe('PreactContainer', () => {
   });
 
   it('should unmount and remove element when `destroy` is called', () => {
-    let label = 'foo';
+    const label = 'foo';
     const container = new PreactContainer('widget', () => (
       <Widget label={label} />
     ));

src/boot/test/boot-test.js

@@ -40,7 +40,7 @@ describe('bootstrap', () => {
       return manifest;
     }, {});
 
-    let extraSettings = {};
+    const extraSettings = {};
     let bootApp;
     if (app === 'annotator') {
       bootApp = bootHypothesisClient;

src/shared/messaging/test/port-finder-test.js

@@ -11,8 +11,6 @@ import {
 const requestId = 'abcdef';
 
 describe('PortFinder', () => {
-  let fakeGenerateHexString;
-
   const frame1 = 'guest';
   const type = 'offer';
   let portFinder;
@@ -36,7 +34,7 @@ describe('PortFinder', () => {
   }
 
   // Generate predictable IDs for port requests
-  fakeGenerateHexString = sinon.stub().returns(requestId);
+  const fakeGenerateHexString = sinon.stub().returns(requestId);
 
   beforeEach(() => {
     portFinders = [];

src/sidebar/components/hooks/test/use-filter-options-test.js

@@ -9,10 +9,10 @@ describe('sidebar/components/hooks/use-user-filter-options', () => {
   let lastUserOptions;
 
   // Mock `annotationDisplayName` as if it's returning display names
-  let fakeAnnotationUserDisplay = annotation =>
+  const fakeAnnotationUserDisplay = annotation =>
     annotation.user_info.display_name;
   // Mock `annotationDisplayName` as if it's returning usernames
-  let fakeAnnotationUserUsername = annotation => annotation.user;
+  const fakeAnnotationUserUsername = annotation => annotation.user;
 
   // Mount a dummy component to be able to use the hook
   function DummyComponent() {

src/sidebar/components/test/MarkdownEditor-test.js

@@ -319,7 +319,7 @@ describe('MarkdownEditor', () => {
         .simulate('keydown', { key });
 
     function testArrowKeySequence(buttons) {
-      for (let button of buttons) {
+      for (const button of buttons) {
         pressKey('ArrowRight');
         const label =
           document.activeElement.getAttribute('title') ||

src/sidebar/components/test/MenuItem-test.js

@@ -11,7 +11,7 @@ import MenuItem, { $imports } from '../MenuItem';
 describe('MenuItem', () => {
   let containers = [];
   const createMenuItem = props => {
-    let newContainer = document.createElement('div');
+    const newContainer = document.createElement('div');
     containers.push(newContainer);
     document.body.appendChild(newContainer);
     return mount(<MenuItem label="Test item" {...props} />, {

src/sidebar/components/test/MenuKeyboardNavigation-test.js

@@ -12,7 +12,7 @@ describe('MenuKeyboardNavigation', () => {
   let containers = [];
 
   const createMenuItem = props => {
-    let newContainer = document.createElement('div');
+    const newContainer = document.createElement('div');
     containers.push(newContainer);
     document.body.appendChild(newContainer);
     return mount(

src/sidebar/components/test/TagEditor-test.js

@@ -11,7 +11,7 @@ import { $imports } from '../TagEditor';
 
 describe('TagEditor', () => {
   let containers = [];
-  let fakeTags = ['tag1', 'tag2'];
+  const fakeTags = ['tag1', 'tag2'];
   let fakeTagsService;
   let fakeServiceUrl;
   let fakeOnAddTag;
@@ -21,7 +21,7 @@ describe('TagEditor', () => {
   function createComponent(props) {
     // Use an array of containers so we can test more
     // than one component at a time.
-    let newContainer = document.createElement('div');
+    const newContainer = document.createElement('div');
     containers.push(newContainer);
     document.body.appendChild(newContainer);
     return mount(

src/sidebar/helpers/test/query-parser-test.js

@@ -17,7 +17,7 @@ describe('sidebar/helpers/query-parser', () => {
       assert.isFalse(isEmptyFilter(parseHypothesisSearchQuery('some query')));
 
       // Now check various queries which should produce empty filters
-      for (let emptyQuery of ['', '""', "''", ' ']) {
+      for (const emptyQuery of ['', '""', "''", ' ']) {
         const result = parseHypothesisSearchQuery(emptyQuery);
         assert.isTrue(
           isEmptyFilter(result),

src/sidebar/services/test/load-annotations-test.js

@@ -383,7 +383,7 @@ describe('LoadAnnotationsService', () => {
   });
 
   describe('#loadThread', () => {
-    let threadAnnotations = [
+    const threadAnnotations = [
       { id: 'parent_annotation_1' },
       { id: 'parent_annotation_2', references: ['parent_annotation_1'] },
       {

src/sidebar/store/modules/test/filters-test.js

@@ -4,7 +4,7 @@ import { selectionModule } from '../selection';
 
 describe('sidebar/store/modules/filters', () => {
   let store;
-  let fakeSettings = [{}, {}];
+  const fakeSettings = [{}, {}];
 
   const getFiltersState = () => {
     return store.getState().filters;

src/sidebar/store/modules/test/groups-test.js

@@ -58,7 +58,7 @@ describe('sidebar/store/modules/groups', () => {
     };
 
     let allGroups = [];
-    for (let groups of Object.values(allLists)) {
+    for (const groups of Object.values(allLists)) {
       allGroups = allGroups.concat(groups);
     }
 

src/sidebar/store/modules/test/real-time-updates-test.js

@@ -11,7 +11,7 @@ describe('sidebar/store/modules/real-time-updates', () => {
   let fakeAnnotationExists;
   let fakeFocusedGroupId;
   let fakeRoute;
-  let fakeSettings = {};
+  const fakeSettings = {};
   let store;
 
   beforeEach(() => {

src/sidebar/store/modules/test/selection-test.js

@@ -7,7 +7,7 @@ import { selectionModule } from '../selection';
 
 describe('sidebar/store/modules/selection', () => {
   let store;
-  let fakeSettings = [{}, {}];
+  const fakeSettings = [{}, {}];
 
   const getSelectionState = () => {
     return store.getState().selection;

src/sidebar/store/test/util-test.js

@@ -42,11 +42,10 @@ describe('sidebar/store/util', () => {
     });
 
     it('should wait for awaitStateChange to return a non-null value', () => {
-      let valPromise;
       const expected = 5;
 
       store.setState({ val: 2 });
-      valPromise = awaitStateChange(store, getValWhenGreaterThanTwo);
+      const valPromise = awaitStateChange(store, getValWhenGreaterThanTwo);
       store.setState({ val: 5 });
 
       return valPromise.then(actual => {

src/sidebar/test/cross-origin-rpc-test.js

@@ -250,7 +250,7 @@ describe('sidebar/cross-origin-rpc', () => {
 
     it("responds with an error if there's no method", () => {
       startServer(fakeStore, settings, fakeWindow);
-      let jsonRpcRequest = { jsonrpc: '2.0', id: 42 }; // No "method" member.
+      const jsonRpcRequest = { jsonrpc: '2.0', id: 42 }; // No "method" member.
 
       fakeWindow.emitter.emit('message', {
         origin: 'https://allowed1.com',