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module: support eval with ts syntax detection

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PR-URL: https://github.com/nodejs/node/pull/56285
Refs: https://github.com/nodejs/typescript/issues/17
Reviewed-By: Pietro Marchini <pietro.marchini94@gmail.com>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
This commit is contained in:
Marco Ippolito
2024-12-24 17:48:02 +01:00
committed by GitHub
parent be9dc2d0af
commit da3f388c14
10 changed files with 510 additions and 66 deletions
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20
doc/api/cli.md
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@@ -1369,8 +1369,23 @@ added: v12.0.0
-->
This configures Node.js to interpret `--eval` or `STDIN` input as CommonJS or
as an ES module. Valid values are `"commonjs"` or `"module"`. The default is
`"commonjs"`.
as an ES module. Valid values are `"commonjs"`, `"module"`, `"module-typescript"` and `"commonjs-typescript"`.
The `"-typescript"` values are available only in combination with the flag `--experimental-strip-types`.
The default is `"commonjs"`.
If `--experimental-strip-types` is enabled and `--input-type` is not provided,
Node.js will try to detect the syntax with the following steps:
1. Run the input as CommonJS.
2. If step 1 fails, run the input as an ES module.
3. If step 2 fails with a SyntaxError, strip the types.
4. If step 3 fails with an error code [`ERR_INVALID_TYPESCRIPT_SYNTAX`][],
throw the error from step 2, including the TypeScript error in the message,
else run as CommonJS.
5. If step 4 fails, run the input as an ES module.
To avoid the delay of multiple syntax detection passes, the `--input-type=type` flag can be used to specify
how the `--eval` input should be interpreted.
The REPL does not support this option. Usage of `--input-type=module` with
[`--print`][] will throw an error, as `--print` does not support ES module
@@ -3648,6 +3663,7 @@ node --stack-trace-limit=12 -p -e "Error.stackTraceLimit" # prints 12
[`AsyncLocalStorage`]: async_context.md#class-asynclocalstorage
[`Buffer`]: buffer.md#class-buffer
[`CRYPTO_secure_malloc_init`]: https://www.openssl.org/docs/man3.0/man3/CRYPTO_secure_malloc_init.html
[`ERR_INVALID_TYPESCRIPT_SYNTAX`]: errors.md#err_invalid_typescript_syntax
[`NODE_OPTIONS`]: #node_optionsoptions
[`NO_COLOR`]: https://no-color.org
[`SlowBuffer`]: buffer.md#class-slowbuffer