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.eslintrc.js
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module.exports = {
root: true,
plugins: ["matrix-org"],
extends: ["plugin:matrix-org/babel", "plugin:matrix-org/react", "plugin:matrix-org/a11y"],
parserOptions: {
project: ["./tsconfig.json"],
},
env: {
browser: true,
node: true,
},
globals: {
LANGUAGES_FILE: "readonly",
},
rules: {
// Things we do that break the ideal style
"no-constant-condition": "off",
"prefer-promise-reject-errors": "off",
"no-async-promise-executor": "off",
"no-extra-boolean-cast": "off",
// Bind or arrow functions in props causes performance issues (but we
// currently use them in some places).
// It's disabled here, but we should using it sparingly.
"react/jsx-no-bind": "off",
"react/jsx-key": ["error"],
"no-restricted-properties": [
"error",
...buildRestrictedPropertiesOptions(
["window.innerHeight", "window.innerWidth", "window.visualViewport"],
"Use UIStore to access window dimensions instead.",
),
...buildRestrictedPropertiesOptions(
["*.mxcUrlToHttp", "*.getHttpUriForMxc"],
"Use Media helper instead to centralise access for customisation.",
),
...buildRestrictedPropertiesOptions(["window.setImmediate"], "Use setTimeout instead."),
],
"no-restricted-globals": [
"error",
{
name: "setImmediate",
message: "Use setTimeout instead.",
},
],
"import/no-duplicates": ["error"],
// Ban matrix-js-sdk/src imports in favour of matrix-js-sdk/src/matrix imports to prevent unleashing hell.
// Ban compound-design-tokens raw svg imports in favour of their React component counterparts
"no-restricted-imports": [
"error",
{
paths: [
{
name: "@testing-library/react",
message: "Please use jest-matrix-react instead",
},
{
name: "matrix-js-sdk",
message: "Please use matrix-js-sdk/src/matrix instead",
},
{
name: "matrix-js-sdk/",
message: "Please use matrix-js-sdk/src/matrix instead",
},
{
name: "matrix-js-sdk/src",
message: "Please use matrix-js-sdk/src/matrix instead",
},
{
name: "matrix-js-sdk/src/",
message: "Please use matrix-js-sdk/src/matrix instead",
},
{
name: "matrix-js-sdk/src/index",
message: "Please use matrix-js-sdk/src/matrix instead",
},
{
name: "matrix-react-sdk",
message: "Please use matrix-react-sdk/src/index instead",
},
{
name: "matrix-react-sdk/",
message: "Please use matrix-react-sdk/src/index instead",
},
{
name: "emojibase-regex",
message:
"This regex doesn't actually test for emoji. See the docs at https://emojibase.dev/docs/regex/ and prefer our own EMOJI_REGEX from HtmlUtils.",
},
],
patterns: [
{
group: [
"matrix-js-sdk/src/**",
"!matrix-js-sdk/src/matrix",
"!matrix-js-sdk/src/crypto-api",
"!matrix-js-sdk/src/types",
"!matrix-js-sdk/src/testing",
"!matrix-js-sdk/src/utils/**",
"matrix-js-sdk/src/utils/internal/**",
"matrix-js-sdk/lib",
"matrix-js-sdk/lib/",
"matrix-js-sdk/lib/**",
// XXX: Temporarily allow these as they are not available via the main export
"!matrix-js-sdk/src/logger",
"!matrix-js-sdk/src/errors",
"!matrix-js-sdk/src/utils",
"!matrix-js-sdk/src/version-support",
"!matrix-js-sdk/src/randomstring",
"!matrix-js-sdk/src/sliding-sync",
"!matrix-js-sdk/src/browser-index",
"!matrix-js-sdk/src/feature",
"!matrix-js-sdk/src/NamespacedValue",
"!matrix-js-sdk/src/ReEmitter",
"!matrix-js-sdk/src/event-mapper",
"!matrix-js-sdk/src/interactive-auth",
"!matrix-js-sdk/src/secret-storage",
"!matrix-js-sdk/src/room-hierarchy",
"!matrix-js-sdk/src/rendezvous",
"!matrix-js-sdk/src/indexeddb-worker",
"!matrix-js-sdk/src/pushprocessor",
"!matrix-js-sdk/src/extensible_events_v1",
"!matrix-js-sdk/src/extensible_events_v1/PollStartEvent",
"!matrix-js-sdk/src/extensible_events_v1/PollResponseEvent",
"!matrix-js-sdk/src/extensible_events_v1/PollEndEvent",
"!matrix-js-sdk/src/extensible_events_v1/InvalidEventError",
"!matrix-js-sdk/src/crypto",
"!matrix-js-sdk/src/crypto/keybackup",
"!matrix-js-sdk/src/crypto/deviceinfo",
"!matrix-js-sdk/src/crypto/dehydration",
"!matrix-js-sdk/src/oidc",
"!matrix-js-sdk/src/oidc/discovery",
"!matrix-js-sdk/src/oidc/authorize",
"!matrix-js-sdk/src/oidc/validate",
"!matrix-js-sdk/src/oidc/error",
"!matrix-js-sdk/src/oidc/register",
"!matrix-js-sdk/src/webrtc",
"!matrix-js-sdk/src/webrtc/call",
"!matrix-js-sdk/src/webrtc/callFeed",
"!matrix-js-sdk/src/webrtc/mediaHandler",
"!matrix-js-sdk/src/webrtc/callEventTypes",
"!matrix-js-sdk/src/webrtc/callEventHandler",
"!matrix-js-sdk/src/webrtc/groupCallEventHandler",
"!matrix-js-sdk/src/models",
"!matrix-js-sdk/src/models/read-receipt",
"!matrix-js-sdk/src/models/relations-container",
"!matrix-js-sdk/src/models/related-relations",
"!matrix-js-sdk/src/matrixrtc",
],
message: "Please use matrix-js-sdk/src/matrix instead",
},
{
group: ["emojibase-regex/emoji*"],
message:
"This regex doesn't actually test for emoji. See the docs at https://emojibase.dev/docs/regex/ and prefer our own EMOJI_REGEX from HtmlUtils.",
},
{
group: ["@vector-im/compound-design-tokens/icons/*"],
message: "Please use @vector-im/compound-design-tokens/assets/web/icons/* instead",
},
],
},
],
// There are too many a11y violations to fix at once
// Turn violated rules off until they are fixed
"jsx-a11y/aria-activedescendant-has-tabindex": "off",
"jsx-a11y/click-events-have-key-events": "off",
"jsx-a11y/interactive-supports-focus": "off",
"jsx-a11y/media-has-caption": "off",
"jsx-a11y/mouse-events-have-key-events": "off",
"jsx-a11y/no-autofocus": "off",
"jsx-a11y/no-noninteractive-element-interactions": "off",
"jsx-a11y/no-noninteractive-element-to-interactive-role": "off",
"jsx-a11y/no-noninteractive-tabindex": "off",
"jsx-a11y/no-static-element-interactions": "off",
"jsx-a11y/role-supports-aria-props": "off",
"matrix-org/require-copyright-header": "error",
},
overrides: [
{
files: ["src/**/*.{ts,tsx}", "test/**/*.{ts,tsx}", "playwright/**/*.ts"],
extends: ["plugin:matrix-org/typescript", "plugin:matrix-org/react"],
rules: {
"@typescript-eslint/explicit-function-return-type": [
"error",
{
allowExpressions: true,
},
],
// Things we do that break the ideal style
"prefer-promise-reject-errors": "off",
"no-extra-boolean-cast": "off",
// Remove Babel things manually due to override limitations
"@babel/no-invalid-this": ["off"],
// We're okay being explicit at the moment
"@typescript-eslint/no-empty-interface": "off",
// We disable this while we're transitioning
"@typescript-eslint/no-explicit-any": "off",
// We'd rather not do this but we do
"@typescript-eslint/ban-ts-comment": "off",
// We're okay with assertion errors when we ask for them
"@typescript-eslint/no-non-null-assertion": "off",
},
},
// temporary override for offending icon require files
{
files: [
"src/SdkConfig.ts",
"src/components/structures/FileDropTarget.tsx",
"src/components/structures/RoomStatusBar.tsx",
"src/components/structures/UserMenu.tsx",
"src/components/views/avatars/WidgetAvatar.tsx",
"src/components/views/dialogs/AddExistingToSpaceDialog.tsx",
"src/components/views/dialogs/ForwardDialog.tsx",
"src/components/views/dialogs/InviteDialog.tsx",
"src/components/views/dialogs/ModalWidgetDialog.tsx",
"src/components/views/dialogs/UploadConfirmDialog.tsx",
"src/components/views/dialogs/security/SetupEncryptionDialog.tsx",
"src/components/views/elements/AddressTile.tsx",
"src/components/views/elements/AppWarning.tsx",
"src/components/views/elements/SSOButtons.tsx",
"src/components/views/messages/MAudioBody.tsx",
"src/components/views/messages/MImageBody.tsx",
"src/components/views/messages/MFileBody.tsx",
"src/components/views/messages/MStickerBody.tsx",
"src/components/views/messages/MVideoBody.tsx",
"src/components/views/messages/MVoiceMessageBody.tsx",
"src/components/views/right_panel/EncryptionPanel.tsx",
"src/components/views/rooms/EntityTile.tsx",
"src/components/views/rooms/LinkPreviewGroup.tsx",
"src/components/views/rooms/MemberList.tsx",
"src/components/views/rooms/MessageComposer.tsx",
"src/components/views/rooms/ReplyPreview.tsx",
"src/components/views/settings/tabs/room/SecurityRoomSettingsTab.tsx",
"src/components/views/settings/tabs/user/GeneralUserSettingsTab.tsx",
],
rules: {
"@typescript-eslint/no-var-requires": "off",
},
},
{
files: ["test/**/*.{ts,tsx}", "playwright/**/*.ts"],
extends: ["plugin:matrix-org/jest"],
rules: {
// We don't need super strict typing in test utilities
"@typescript-eslint/explicit-function-return-type": "off",
"@typescript-eslint/explicit-member-accessibility": "off",
// Jest/Playwright specific
// Disabled tests are a reality for now but as soon as all of the xits are
// eliminated, we should enforce this.
"jest/no-disabled-tests": "off",
// Also treat "oldBackendOnly" as a test function.
// Used in some crypto tests.
"jest/no-standalone-expect": [
"error",
{
additionalTestBlockFunctions: ["beforeAll", "beforeEach", "oldBackendOnly"],
},
],
},
},
{
files: ["playwright/**/*.ts"],
parserOptions: {
project: ["./playwright/tsconfig.json"],
},
},
],
settings: {
react: {
version: "detect",
},
},
};
function buildRestrictedPropertiesOptions(properties, message) {
return properties.map((prop) => {
let [object, property] = prop.split(".");
if (object === "*") {
object = undefined;
}
return {
object,
property,
message,
};
});
}