mirror of
https://github.com/ezolenko/rollup-plugin-typescript2.git
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96b284635f
* - partial fix for watch mode (#6) * - trying to detect watch mode * - support for watch mode
100 lines
3.4 KiB
Markdown
100 lines
3.4 KiB
Markdown
# rollup-plugin-typescript2
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[](https://npmjs.org/package/rollup-plugin-typescript2)
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[](https://app.codeship.com/projects/207445)
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Rollup plugin for typescript with compiler errors.
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This is a rewrite of original rollup-plugin-typescript, starting and borrowing from [this fork](https://github.com/alexlur/rollup-plugin-typescript).
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This version is somewhat slower than original, but it will print out typescript syntactic and semantic diagnostic messages (the main reason for using typescript after all).
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## Usage
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```js
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// rollup.config.js
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import typescript from 'rollup-plugin-typescript2';
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export default {
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entry: './main.ts',
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plugins: [
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typescript()
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]
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}
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```
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The plugin depends on existence of `tsconfig.json` file. All compiler options and file lists are loaded from that.
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Following compiler options are forced though:
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* `module`: es2015
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* `noEmitHelpers`: true
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* `importHelpers`: true
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* `noResolve`: false
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Plugin takes following options:
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* `check`: true
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Set to false to avoid doing any diagnostic checks on the code.
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* `verbosity`: 1
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- 0 -- Error
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- 1 -- Warning
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- 2 -- Info
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- 3 -- Debug
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* `clean`: false
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Set to true for clean build (wipes out cache on every build).
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* `cacheRoot`: ".rts2_cache"
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Path to cache.
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* `include`: `[ "*.ts+(|x)", "**/*.ts+(|x)" ]`
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By default passes all .ts files through typescript compiler.
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* `exclude`: `[ "*.d.ts", "**/*.d.ts" ]`
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But excludes type definitions.
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* `abortOnError`: true
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Bail out on first syntactic or semantic error. In some cases setting this to false will result in exception in rollup itself (for example for unresolvable imports).
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* `rollupCommonJSResolveHack`: false
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On windows typescript resolver favors POSIX path, while commonjs plugin (and maybe others?) uses native path as module id. This can result in `namedExports` being ignored if rollup happened to use typescript's resolution. Set to true to pass resolved module path through `resolve()` to match up with `rollup-plugin-commonjs`.
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### Watch mode
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The way typescript handles type-only imports and ambient types effectively hides them from rollup watch, because import statements are not generated and changing them doesn't trigger a rebuild.
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Otherwise the plugin should work in watch mode. Make sure to run a normal build after watch session to catch any type errors.
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### Version
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This plugin currently requires TypeScript `2.0+`.
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### Rollup version
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Tested on rollup `0.41.4`.
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### Reporting bugs
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Report any bugs on github: <https://github.com/ezolenko/rollup-plugin-typescript2/issues>.
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Attach your `tsconfig.json`, `package.json` (for versions of dependencies), rollup script and anything else that could influence module resolution, ambient types and typescript compilation.
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Check if problem is reproducible after running `npm prune` to clear any rogue types from npm_modules (by default typescript grabs all ambient types).
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Check if you get the same problem with `clean` option set to true (might indicate a bug in the cache).
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If makes sense, check if running `tsc` directly produces similar results.
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Attach plugin output with `verbosity` option set to 3 (this will list all files being transpiled and their imports).
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