Switch from TS to JS (#4000)

* Transform `src/core/prism.ts`

* Transform `src/core/stringify.ts`

* Transform `src/core/classes/hooks.ts`

* Transform `src/core/highlight.ts`

* Transform `src/core/highlight-all.ts`

* Transform `src/core/highlight-element.ts`

* Transform `src/config.ts`

* Transform `src/core/tokenize/tokenize.ts`

* Transform `src/core/classes/prism.ts`

* Transform `src/core.ts`

* Transform `src/global.ts`

* Transform `src/index.ts`

* Transform `src/auto-start.ts`

* Transform `src/util`

* Transform `src/shared`

* Transform `src/prism.global.ts`

* Transform `src/shared/languages`

* Transform `src/shared/meta`

* Transform `src/shared.ts`

* Transform `src/core/classes/token.ts`

* Transform `src/core/tokenize/util.ts`

* Transform `src/core/tokenize/match.js`

* Transform `src/core/registry.ts`

* Transform `src/load-languages.ts`

* Transform `src/core/linked-list.ts`

* Transforming `tests/`

* Transforming `tests/core`

* Transforming `tests/helper`

* Partially transform languages

* Transform the rest of the languages

* Remove TS files from `src/languages`

* Remove TS files from `tests/`

* Remove TS files from `tests/core`

* Remove TS files from `tests/helper`

* Transform plugins and remove corresponding TS files

* Transform `tests/plugins`

* Tests don't depend on TS anymore

* Remove TS files from `src/`

* Remove TS files from `src/shared`

* Remove TS files from `src/shared/languages`

* Remove TS files from `src/shared/meta`

* Remove TS files from `src/util`

* Remove TS files from `src/core` and sub-directories

* Fix imports in `types.d.ts`

* Transform `scripts`

* Transform `benchmark`

* Adjust ESLint rules

* Build types

* Get rid of TS

We use it to build types only.

* Run `npm run build`

We updated the comment in the build script, so it should be updated in the corresponding CSS file.

* Improve types for hooks

* Improve types for token

* Improve types for Prism config

* Improve types for registry

* Improve types for Prism class

* Improve types for highlight methods

* Improve types for stringify

* Improve types for linked list

* Adjust types in tokenize functions

* Fix types in `load-languages.js`

* Improve types of util functions

* Adjust types for shared/languages

* Fix types in plugins

* Fix types for tests

* Fix types for tokenize string

* Fix types for language definitions

* Another iteration on types

* And one more

* And a bit more fixes

* [plugins] Add missed template specifier

* [languages] Add types to `export default`s

* Fix types in scripts

* Remove `@private` and `@default` to correctly generate types

* Some improvements to types in tests

* [benchmark] Some tweaks of types

* Re-enable types check in JS files

- Restore `tsconfig.json` but allow implicit `any`
- Add the `typecheck` NPM script
- Adjust the build script (use `tsconfig.json` and remove redundant code)

* Fix type inconsistencies in core files and plugins

* Fix some (fixable) TS errors

* Fix the rest of the type errors in language definitions

Author: DmitrySharabin

.github/workflows/test.yml

@@ -54,18 +54,6 @@ jobs:
       - run: npm ci
       - run: npm run lint:ci
 
-  type-check:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v3
-      - name: Use Node.js 18.x
-        uses: actions/setup-node@v3
-        with:
-          node-version: 18.x
-      - run: npm ci
-      - run: npm run tsc
-
   coverage:
     runs-on: ubuntu-latest