Add compilerOptions option #173

ianschmitz · 2018-10-23T04:54:16Z

Adds compilerOptions option, using ts-loader as inspiration. This allows overriding compilerOptions of your tsconfig.json explicitly when initializing the plugin.

Here it is in action using create-react-app with the newly added TypeScript support:

Here is the discussion over at CRA for the background on this feature: facebook/create-react-app#5514

TODO:

Unit/Integration tests?
Validate Vue works as expected

/cc @Timer, @brunolemos

ianschmitz · 2018-10-23T05:23:41Z

@johnnyreilly see facebook/create-react-app#5514 (comment). Do you think this PR still has value?

johnnyreilly · 2018-10-23T06:00:47Z

I think the PR still has value; it's another option that people can use - it's been useful with ts-loader. Always considered it an escape hatch 😄

A test to cover this would be awesome!

ianschmitz · 2018-10-24T02:22:54Z

Unit tests should be good to go now

johnnyreilly · 2018-10-24T05:26:46Z

Great! Could you increment the version in the package.json and put an entry in the changelog.md please? It makes shipping a release much easier for me!

ianschmitz · 2018-10-24T05:37:32Z

👍

johnnyreilly

Could you take a look at the comments below please?

johnnyreilly · 2018-10-23T05:57:33Z

README.md

@@ -60,6 +60,9 @@ It helps to distinguish lints from typescript's diagnostics.
 * **tsconfig** `string`:
 Path to *tsconfig.json* file. Default: `path.resolve(compiler.options.context, './tsconfig.json')`.

+* **compilerOptions** `string`:
+Allows overriding TypeScript options. Should be specified in the same format as you would do for the `compilerOptions` property in tsconfig.json. Default: `{}`.
+
 * **tslint** `string | true`: 
 Path to *tslint.json* file or `true`. If `true`, uses `path.resolve(compiler.options.context, './tslint.json')`. Default: `undefined`.


Should the documented type of compilerOptions be object instead?

You're absolutely right. Good catch! Was a late night for me yesterday 😛

README.md

Co-Authored-By: ianschmitz <ianschmitz@gmail.com>

johnnyreilly · 2018-10-24T05:50:29Z

src/IncrementalChecker.ts

      // Regardless of the setting in the tsconfig.json we want isolatedModules to be false
      Object.assign(ts.readConfigFile(configFile, ts.sys.readFile).config, {
        isolatedModules: false
      }),
      ts.sys,
      path.dirname(configFile)
    );
+
+    parsed.options = { ...parsed.options, ...compilerOptions };


I'm not sure if we can use object spread as it won't work on node 6 (and fork-ts-checker supports node 6). https://node.green/#ES2018-features-object-rest-spread-properties-object-spread-properties

Can we switch to Object.assign please?

Typescript will compile it down to Object.assign for you as long as your target is correct. It's a little tough for me to check as I'm on my phone right now but will double check tomorrow.

If you use assign elsewhere in code base I don't mind changing either way!

Typescript will compile it down to Object.assign for you as long as your target is correct. It's a little tough for me to check as I'm on my phone right now but will double check tomorrow.

If that's the case then that's fine with me!

johnnyreilly · 2018-10-24T05:52:37Z

src/VueProgram.ts

@@ -40,6 +40,7 @@ export class VueProgram {
    );

    parsed.options.allowNonTsExtensions = true;
+    parsed.options = { ...parsed.options, ...compilerOptions };


I'm not sure if we can use object spread as it won't work on node 6 (and fork-ts-checker supports node 6). https://node.green/#ES2018-features-object-rest-spread-properties-object-spread-properties

Can we switch to Object.assign please?

Again - fine with this staying as is if TypeScript transpiles us to glory! 😄

Timer · 2018-10-24T19:49:34Z

Having this for the exclude property would be 💯.

ianschmitz · 2018-10-24T20:04:30Z

Having this for the exclude property would be 💯.

@Timer unfortunately this doesn't work for exclude 😞 . See facebook/create-react-app#5514 (comment)

Timer · 2018-10-24T20:26:29Z

I meant as a separate change. Is there another way to override this value, i.e. a new PR? Or is it not possible?

ianschmitz · 2018-10-24T20:39:18Z

Is there another way to override this value, though?

This looks interesting: https://github.com/TypeStrong/ts-loader#reportfiles-string-default. The implementation can be found here: https://github.com/TypeStrong/ts-loader/blob/35b9a5bbf298b5ea4e5b32057dbf252337b9fd08/src/utils.ts#L71

Looks like they attach to the TS diagnostics and filter out errors if the files aren't part of the reportFiles globs.

Timer · 2018-10-24T20:40:37Z

Ooh, that'd be fantastic to implement. I don't want to ship excludes with CRA (in the tsconfig -- I'd way rather silently filter out tests).

ianschmitz · 2018-10-24T20:42:59Z

Ooh, that'd be fantastic to implement. I don't want to ship excludes with CRA.

Agreed!

@johnnyreilly what do you think about this? I haven't dug too deep into this repo to know how easy it would be to hook the after compile diagnostics.

Timer · 2018-10-24T20:47:14Z

https://github.com/Realytics/fork-ts-checker-webpack-plugin/blob/f57ece232510f490841682d71ddad9bae0822e18/src/index.ts#L713-L760

Here's some usage, but it's littered over quite a few places. Not sure where it'd be best to filter this.

johnnyreilly · 2018-10-24T20:55:17Z

@johnnyreilly what do you think about this?

Worth investigating - if it's straightforward then do it!

Timer · 2018-10-24T20:56:06Z

@johnnyreilly could you suggest a location to perform the filtering at?

In the workers themselves, at where the worker aggregates, somewhere else? Can you please point to a file or some lines? 😄

Timer · 2018-10-24T21:02:45Z

Also, in relation to this PR:
For an option, e.g. module, do you need to pass ts.ModuleKind.ESNext or "esnext"?

johnnyreilly · 2018-10-24T21:03:13Z

Merged - thought it was good to take as is. Figure that the reportFiles merits it's own PR 😄

ianschmitz · 2018-10-24T21:48:58Z

Also, in relation to this PR:
For an option, e.g. module, do you need to pass ts.ModuleKind.ESNext or "esnext"?

Very good point @Timer. I think that may be a deficiency. Just looking through https://github.com/TypeStrong/ts-loader/blob/d49dfbaa7e35c728090554d47a122ad2571cb09c/src/config.ts#L66, they apply the transformation before running it through ts.parseJsonConfigFileContent(). Should be an easy change in this repo as we just need to break out the readConfigFile() into a separate variable and merge in the options.

To clarify, we should not require the user to provide the value of ts.ModuleKind.ESNext imo. "esnext" should be sufficient, but that would require modifying the result of readConfigFile().

Sorry about that!

ianschmitz · 2018-10-24T21:59:38Z

@johnnyreilly do you want to hold off publishing until we merge in the fix?

johnnyreilly · 2018-10-25T05:08:37Z

@ianschmitz - too late! https://github.com/Realytics/fork-ts-checker-webpack-plugin/releases/tag/v0.4.12

Still, it's an extra option which people won't be using yet so no harm done - if you could submit a PR for the fix that'd be appreciated!

johnnyreilly · 2018-10-25T05:16:25Z

@johnnyreilly could you suggest a location to perform the filtering at?

In the workers themselves, at where the worker aggregates, somewhere else? Can you please point to a file or some lines? 😄

@Timer - I don't have a strong opinion. I have a feeling that experimenting during implementation should be a good guide. I'd expect this to be a fairly simple tweak, not requiring of masses of code; if you find yourself writing War and Peace then you might want to reconsider where you're doing the filtering 😄

Essentially, go with your gut.

ianschmitz · 2018-10-25T05:42:34Z

@johnnyreilly no problem. I'll have a PR up tomorrow with the fix!

johnnyreilly · 2018-10-25T06:23:17Z

Awesome!

johnnyreilly · 2018-10-27T08:08:51Z

@Timer - sorry about the delay in replying!

The simplest implementation would seem to be taking this approach here:

https://github.com/TypeStrong/ts-loader/blob/d49dfbaa7e35c728090554d47a122ad2571cb09c/src/utils.ts#L54-L75

and adding a filter in before the forEach here:

https://github.com/Realytics/fork-ts-checker-webpack-plugin/blob/458cd748519c04501298c342de31acf1b2f84336/src/index.ts#L741

This would be handling it in the worker aggregate position. It's possible that there might be a minor performance benefit to doing this in the worker itself but I'm not sure how big the gain would be. For now, I'd take simplicity.

Add compilerOptions option

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ianschmitz mentioned this pull request Oct 23, 2018

[WIP] TypeScript final touches facebook/create-react-app#5514

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Add unit tests

16097d8

Update version and changelog

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johnnyreilly reviewed Oct 24, 2018

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Update README.md

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Co-Authored-By: ianschmitz <ianschmitz@gmail.com>

johnnyreilly reviewed Oct 24, 2018

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johnnyreilly merged commit 9e408c5 into TypeStrong:master Oct 24, 2018

ianschmitz deleted the add-compileroptions-option branch October 24, 2018 21:59

ianschmitz mentioned this pull request Oct 26, 2018

Merge in compilerOptions prior to calling parseJsonConfigFileContent #176

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johnnyreilly mentioned this pull request Oct 27, 2018

reportFiles as an exclude alternative #177

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snyk-bot mentioned this pull request Apr 1, 2020

[Snyk] Upgrade fork-ts-checker-webpack-plugin from 0.2.10 to 0.5.2 baophucct/create-react-app-typescript#2

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Add compilerOptions option #173

Add compilerOptions option #173

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Add compilerOptions option #173

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