issue-link js-issue-link" data-error-text="Failed to load title" data-id="2069427061" data-permission-text="Title is private" data-url="https://github.com/mbland/test-page-opener/issues/22" data-hovercard-type="pull_request" data-hovercard-url="/mbland/test-page-opener/pull/22/hovercard" href="https://github.com/mbland/test-page-opener/pull/22">mbland/test-page-opener#22 mbland/test-page-opener@a63f274 - mbland/test-page-opener#23 mbland/test-page-opener@01a79f6 - mbland/jsdoc-cli-wrapper#20 mbland/jsdoc-cli-wrapper@fafcd21 - mbland/rollup-plugin-handlebars-precompiler#7 mbland/rollup-plugin-handlebars-precompiler@eb5b9a8 - mbland/rollup-plugin-handlebars-precompiler#8 mbland/rollup-plugin-handlebars-precompiler@8b36b2a The code is still JavaScript, but now we get strict type checking in Visual Studio Code and in continuous integration via `tsc` in `pnpm typecheck`. The docs generated by 'jsdoc' are a little funky, and we don't get as much documentation in Visual Studio Code as I expected. I believe I can fix these issues at some point with this foundation in place. The actual changes include: - Added @types/chai, jsdoc, and typescript as devDependencies. - Set .eslintrc to disable the no-undefined-types rule by extending "plugin:jsdoc/recommended-typescript-flavor-error". This is because the Handlebars types in lib/parser.js weren't trivial to replicate, and TypeScript finds those types just fine. This was based on advice from: > ...the config plugin:jsdoc/recommended-typescript-error should > disable the jsdoc/no-undefined-types rule because TypeScript itself > is responsible for reporting errors about invalid JSDoc types. > > - gajus/eslint-plugin-jsdoc#888 (comment) And: > If you are not using TypeScript syntax (your source files are still > .js files) but you are using the TypeScript flavor within JSDoc > (i.e., the default "typescript" mode in eslint-plugin-jsdoc) and you > are perhaps using allowJs and checkJs options of TypeScript's > tsconfig.json), you may use: > > ```json > { > "extends": ["plugin:jsdoc/recommended-typescript-flavor"] > } > ``` > > ...or to report with failing errors instead of mere warnings: > > ```json More background: - https://github.com/gajus/eslint-plugin-jsdoc/blob/main/docs/rules/no-undefined-types.md - gajus/eslint-plugin-jsdoc#99 - gajus/eslint-plugin-jsdoc#1098 - jsdoc/jsdoc#1537 - Added `settings.jsdoc.preferredTypes.Object = "object"` to .eslintrc to enable "Object.<..., ...>" syntax in a JSDoc `@typedef`. Got rid of some extra whitespaces in .eslintrc, too. - https://github.com/gajus/eslint-plugin-jsdoc/blob/b60cbb027b03b4f6d509933b0dca8681dbe47206/docs/rules/check-types.md#why-not-capital-case-everything - https://github.com/gajus/eslint-plugin-jsdoc/blob/b60cbb027b03b4f6d509933b0dca8681dbe47206/docs/settings.md#settings-to-configure-check-types-and-no-undefined-types - Added '.js' extension to all internal imports and added JSDoc comments everywhere reqired by `pnpm typecheck`. - Added 'jsdoc-plugin-typescript' to the build to handle the TypeScript `import().Type` directives. This ended up pulling in the 'es-abstract' module, which blew up the pnpm-lock.yaml file. If I get an itch, I'll implement my own plugin one day and replace it. - Updated `pnpm test-ci` to incorporate `pnpm jsdoc` and `pnpm typecheck`. Added 'jsdoc' to devDependencies to enable this. - Added `null` checks everywhere reqired by `pnpm typecheck`. Added tests to cover all the `null` cases. - Added globals.d.ts and a `/* global STRCALC_BACKEND */` ESLint comment to calculators.js to properly type check `globalThis.STRCALC_BACKEND`. Ironically, this required just referencing it as `STRCALC_BACKEND` without `globalThis`. - Added a temporary components/template.d.ts containing the Handlebars Template() type declaration. Once I properly export those types from rollup-plugin-handlebars-precompiler, I'll remove it. (That plugin currently contains lib/template.d.ts, not types/template.d.ts.) - Added a test for the `#missing app element` case in main.js by adding a new test/main-missing-app-div.test.js. I need to port it to mbland/test-page-opener to solve the coverage problem encountered in: - mbland/test-page-opener#23 mbland/test-page-opener@01a79f6 > - Added a new missing.html and "JsdomPageOpener > doesn't throw if > missing app div" test case to cover new null check in > test-modules/main.js. > > This did, however, throw off Istanbul coverage, but not V8 > coverage. Running just the "doesn't throw" test case shows 0% > coverage of main.js, even though the test clearly passes. My > suspicion is that Istanbul can't associate the > `./main.js?version=missing` import path from missing.html with the > test-modules/main.js file. > > So now `pnpm test:ci:jsdom` will use the V8 provider, and `pnpm > test:ci:browser`, which doesn't use missing.html, will continue to > use Istanbul. Each task outputs its own separate .lcov file which > then gets merged into Coveralls. - Updated `setupFetchStub()` to detect the type of the `body` argument and call `JSON.stringify()` itself if it's an `object`. This eliminated the need for most callers to call `JSON.stringify()`. - Updated `StringCalculatorPage` with typing information and made it so that an empty object will stand in for `null` elements. This is playing loose with typing a bit, as any `null`s will cause errors showing unknown property access. But that seemed better than burdening all callers to do their own `null` checks or workarounds. Of special note: - Added the `instantiate()` parameter to Calculator.init() to inject a Handlebars Template() function. This enabled testing that a missing `#numbers` element was logged by Calculator.init(). Tests for this and Calculator.#submitRequest() set up a console.error spy along with a callback for Vitest's vi.waitFor(). I need to write a document and/or blog post about this as part of the Handlebars Component Pattern. (I just came up with that name while writing it.)

Commits

Commits on Jan 13, 2024

Add strict type checking via TypeScript