Support `module_resolution: "nodenext"` #8748

mischnic · 2024-07-15T08:52:17Z

Description

Allow resolving for example ./foo.js to ./foo.ts

.js can resolve to .ts and .tsx
.mjs can resolve to .mts
.cjs can resolve to .cts

This is what tsc --traceResolution says about priority of the various possible resolution:

======== Resolving module '../libs/f.js' from '/Users/niklas/Desktop/nodenext-app/app/page.tsx'. ========
Explicitly specified module resolution kind: 'NodeNext'.
Resolving in CJS mode with conditions 'require', 'types', 'node'.
Loading module as file / folder, candidate module location '/Users/niklas/Desktop/nodenext-app/libs/f.js', target file types: TypeScript, JavaScript, Declaration.
File name '/Users/niklas/Desktop/nodenext-app/libs/f.js' has a '.js' extension - stripping it.
File '/Users/niklas/Desktop/nodenext-app/libs/f.ts' does not exist.
File '/Users/niklas/Desktop/nodenext-app/libs/f.tsx' does not exist.
File '/Users/niklas/Desktop/nodenext-app/libs/f.d.ts' does not exist.
File '/Users/niklas/Desktop/nodenext-app/libs/f.js' does not exist.
File '/Users/niklas/Desktop/nodenext-app/libs/f.jsx' does not exist.
File '/Users/niklas/Desktop/nodenext-app/libs/f.js.ts' does not exist.
File '/Users/niklas/Desktop/nodenext-app/libs/f.js.tsx' does not exist.
File '/Users/niklas/Desktop/nodenext-app/libs/f.js.d.ts' does not exist.

Testing Instructions

I also added a test case

vercel · 2024-07-15T08:52:20Z

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github-actions · 2024-07-15T08:54:25Z

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github-actions · 2024-07-15T08:55:34Z

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github-actions · 2024-07-15T08:59:11Z

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crates/turbopack-core/src/resolve/mod.rs

crates/turbopack-core/src/resolve/options.rs

sokra · 2024-07-18T12:58:29Z

crates/turbopack-core/src/resolve/mod.rs

+ if options_value.enable_js_ts_rewriting {
+ let mut rewritten_path = path_pattern.clone();
+ let rewritten_path_modified =
+ rewritten_path.replace_final_constants(&|c: &RcStr| -> Option<Pattern> {


Should modify new_path

Should be outside of the if !options_value.fully_specified

One sideeffect of that approach is that is also replaces the js that was appended via extensions:

request with appended extensions:

Alternatives([ Constant("./src/foo.js"), Constant("./src/foo.js.ts"), Constant("./src/foo.js.js"), Constant("./src/foo.js.json")])

request with extensions and then the new replacement

Alternatives([ Constant("./src/foo.ts"), Constant("./src/foo.tsx"), Constant("./src/foo.js"), Constant("./src/foo.js.ts"), // <- Constant("./src/foo.js.ts"), // <- Constant("./src/foo.js.tsx"), // <- Constant("./src/foo.js.js"), Constant("./src/foo.js.json")])

But in practice, it probably doesn't make a difference

crates/turbopack-core/src/resolve/pattern.rs

…nodenext

### Description Allow resolving for example `./foo.js` to `./foo.ts` `.js` can resolve to `.ts` and `.tsx` `.mjs` can resolve to `.mts` `.cjs` can resolve to `.cts` Closes PACK-3031 This is what `tsc --traceResolution` says about priority of the various possible resolution: ``` ======== Resolving module '../libs/f.js' from '/Users/niklas/Desktop/nodenext-app/app/page.tsx'. ======== Explicitly specified module resolution kind: 'NodeNext'. Resolving in CJS mode with conditions 'require', 'types', 'node'. Loading module as file / folder, candidate module location '/Users/niklas/Desktop/nodenext-app/libs/f.js', target file types: TypeScript, JavaScript, Declaration. File name '/Users/niklas/Desktop/nodenext-app/libs/f.js' has a '.js' extension - stripping it. File '/Users/niklas/Desktop/nodenext-app/libs/f.ts' does not exist. File '/Users/niklas/Desktop/nodenext-app/libs/f.tsx' does not exist. File '/Users/niklas/Desktop/nodenext-app/libs/f.d.ts' does not exist. File '/Users/niklas/Desktop/nodenext-app/libs/f.js' does not exist. File '/Users/niklas/Desktop/nodenext-app/libs/f.jsx' does not exist. File '/Users/niklas/Desktop/nodenext-app/libs/f.js.ts' does not exist. File '/Users/niklas/Desktop/nodenext-app/libs/f.js.tsx' does not exist. File '/Users/niklas/Desktop/nodenext-app/libs/f.js.d.ts' does not exist. ``` ### Testing Instructions I also added a test case

turbo-orchestrator bot added needs: triage New issues get this label. Remove it after triage owned-by: turbopack labels Jul 15, 2024

mischnic commented Jul 15, 2024

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mischnic added 3 commits July 17, 2024 09:43

Add nodenext resolution test

e098afa

Support module_resolution: "nodenext"

0962bb7

Only allow for .../*.js specifiers

61bb5af

mischnic force-pushed the mischnic/pack-3031-web-995-support-tsconfig-nodenext branch from 904e2f8 to 2e4ee59 Compare July 17, 2024 09:56

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Cleanup config loading

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Properly rewrite the pattern

8c02b98

mischnic force-pushed the mischnic/pack-3031-web-995-support-tsconfig-nodenext branch from 1348426 to 8c02b98 Compare July 17, 2024 11:47

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mischnic marked this pull request as ready for review July 17, 2024 12:35

mischnic requested a review from a team as a code owner July 17, 2024 12:35

mischnic requested a review from sokra July 18, 2024 12:46

sokra reviewed Jul 18, 2024

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sokra reviewed Jul 18, 2024

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Rename to enable_typescript_with_output_extension

e37969a

Add more test cases

bdce7e0

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Merge branch 'main' into mischnic/pack-3031-web-995-support-tsconfig-…

157091c

…nodenext

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Merge branch 'main' into mischnic/pack-3031-web-995-support-tsconfig-…

adfd4d3

…nodenext

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sokra approved these changes Jul 29, 2024

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sokra merged commit 64e5946 into main Jul 29, 2024
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sokra deleted the mischnic/pack-3031-web-995-support-tsconfig-nodenext branch July 29, 2024 14:53

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Support `module_resolution: "nodenext"` #8748

Support `module_resolution: "nodenext"` #8748

mischnic commented Jul 15, 2024 •

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sokra Jul 18, 2024

mischnic Jul 18, 2024

Support module_resolution: "nodenext" #8748

Support module_resolution: "nodenext" #8748

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mischnic commented Jul 15, 2024 • edited Loading

Description

Testing Instructions

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⚠️ CI failed ⚠️

sokra Jul 18, 2024

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Support `module_resolution: "nodenext"` #8748

Support `module_resolution: "nodenext"` #8748

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