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111 lines
3.5 KiB
111 lines
3.5 KiB
import svelte_config from '@sveltejs/eslint-config';
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import lube from 'eslint-plugin-lube';
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const no_compiler_imports = {
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meta: {
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type: /** @type {const} */ ('problem'),
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docs: {
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description:
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'Enforce that there are no imports to the compiler in runtime code. ' +
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'This prevents accidental inclusion of the compiler runtime and ' +
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"ensures that TypeScript does not pick up more ambient types (for example from Node) that shouldn't be available in the browser."
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}
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},
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create(context) {
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return {
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Program: () => {
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// Do a simple string search because ESLint doesn't provide a way to check JSDoc comments.
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// The string search could in theory yield false positives, but in practice it's unlikely.
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const text = context.sourceCode.getText();
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const idx = Math.max(text.indexOf('../compiler/'), text.indexOf('#compiler'));
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if (idx !== -1) {
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context.report({
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loc: {
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start: context.sourceCode.getLocFromIndex(idx),
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end: context.sourceCode.getLocFromIndex(idx + 12)
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},
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message:
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'References to compiler code are forbidden in runtime code (both for type and value imports)'
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});
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}
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}
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};
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}
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};
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/** @type {import('eslint').Linter.FlatConfig[]} */
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export default [
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...svelte_config,
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{
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languageOptions: {
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parserOptions: {
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projectService: true,
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tsconfigRootDir: import.meta.dirname
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}
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},
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plugins: {
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lube,
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custom: { rules: { no_compiler_imports } }
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},
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rules: {
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'@typescript-eslint/await-thenable': 'error',
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'@typescript-eslint/prefer-promise-reject-errors': 'error',
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'@typescript-eslint/require-await': 'error',
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'no-console': 'error',
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'lube/svelte-naming-convention': ['error', { fixSameNames: true }],
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// eslint isn't that well-versed with JSDoc to know that `foo: /** @type{..} */ (foo)` isn't a violation of this rule, so turn it off
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'object-shorthand': 'off',
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'no-var': 'off',
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// TODO: enable these rules and run `pnpm lint:fix`
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// skipping that for now so as to avoid impacting real work
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'@stylistic/quotes': 'off',
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'@typescript-eslint/no-unused-vars': 'off',
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'prefer-const': 'off'
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}
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},
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{
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// If you get an error along the lines of "@typescript-eslint/await-thenable needs a project service configured", then that likely means
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// that eslint rules that need to be type-aware run through a Svelte file which seems unsupported at the moment. In that case, ensure that
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// these are excluded to run on Svelte files.
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files: ['**/*.svelte'],
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rules: {
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'@typescript-eslint/await-thenable': 'off',
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'@typescript-eslint/prefer-promise-reject-errors': 'off',
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'@typescript-eslint/require-await': 'off'
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}
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},
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{
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files: ['packages/svelte/src/**/*'],
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ignores: ['packages/svelte/src/compiler/**/*'],
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rules: {
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'custom/no_compiler_imports': 'error'
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}
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},
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{
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ignores: [
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'**/*.d.ts',
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'**/tests',
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'packages/svelte/scripts/process-messages/templates/*.js',
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'packages/svelte/src/compiler/errors.js',
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'packages/svelte/src/internal/client/errors.js',
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'packages/svelte/src/internal/client/warnings.js',
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'packages/svelte/src/internal/shared/warnings.js',
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'packages/svelte/compiler/index.js',
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// stuff we don't want to lint
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'benchmarking/**',
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'coverage/**',
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'playgrounds/sandbox/**',
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// exclude top level config files
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'*.config.js',
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// documentation can contain invalid examples
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'documentation',
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// contains a fork of the REPL which doesn't adhere to eslint rules
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'sites/svelte-5-preview/**',
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'tmp/**',
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// wasn't checked previously, reenable at some point
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'sites/svelte.dev/**'
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]
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}
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];
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