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GeezerVison is showing github.com — esm: unflag --experimental-wasm-modules · nodejs/node@b919fe0

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  • doc
    • api
      • cli.md
      • esm.md
    • node-config-schema.json
    • node.1
  • lib/internal/modules/esm
    • formats.js
    • translators.js
  • src
    • node.cc
    • node_options.cc
    • node_options.h
  • test
    • es-module
      • test-esm-wasm.mjs
    • module-hooks
      • test-module-hooks-import-wasm.mjs
      • test-module-hooks-require-wasm.js
    • parallel
      • test-process-env-allowed-flags-are-documented.js
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‎doc/api/cli.md‎

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+1-13Lines changed: 1 addition & 13 deletions
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@@ -33,8 +33,7 @@ If a file is found, its path will be passed to the
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* The program was started with a command-line flag that forces the entry
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point to be loaded with ECMAScript module loader, such as `--import`.
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* The file has an `.mjs` or `.wasm` (with `--experimental-wasm-modules`)
37-
extension.
36+
* The file has an `.mjs` or `.wasm` extension.
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* The file does not have a `.cjs` extension, and the nearest parent
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`package.json` file contains a top-level [`"type"`][] field with a value of
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`"module"`.
@@ -49,7 +48,6 @@ entry point, the `node` command will accept as input only files with `.js`,
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`.mjs`, or `.cjs` extensions. With the following flags, additional file
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extensions are enabled:
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52-
* [`--experimental-wasm-modules`][] for files with `.wasm` extension.
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* [`--experimental-addon-modules`][] for files with `.node` extension.
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## Options
@@ -1217,14 +1215,6 @@ changes:
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Enable experimental WebAssembly System Interface (WASI) support.
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### `--experimental-wasm-modules`
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<!-- YAML
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added: v12.3.0
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-->
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Enable experimental WebAssembly module support.
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### `--experimental-webstorage`
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<!-- YAML
@@ -3364,7 +3354,6 @@ one is included in the list below.
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* `--experimental-transform-types`
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* `--experimental-vm-modules`
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* `--experimental-wasi-unstable-preview1`
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* `--experimental-wasm-modules`
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* `--experimental-webstorage`
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* `--force-context-aware`
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* `--force-fips`
@@ -3943,7 +3932,6 @@ node --stack-trace-limit=12 -p -e "Error.stackTraceLimit" # prints 12
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[`--env-file`]: #--env-filefile
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[`--experimental-addon-modules`]: #--experimental-addon-modules
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[`--experimental-sea-config`]: single-executable-applications.md#generating-single-executable-preparation-blobs
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[`--experimental-wasm-modules`]: #--experimental-wasm-modules
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[`--heap-prof-dir`]: #--heap-prof-dir
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[`--import`]: #--importmodule
39493937
[`--no-experimental-strip-types`]: #--no-experimental-strip-types
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‎doc/api/esm.md‎

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+38-26Lines changed: 38 additions & 26 deletions
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@@ -701,34 +701,23 @@ imported from the same path.
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## Wasm modules
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> Stability: 1 - Experimental
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<!-- YAML
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changes:
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- version: REPLACEME
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pr-url: https://github.com/nodejs/node/pull/57038
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description: Wasm modules no longer require the `--experimental-wasm-modules` flag.
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-->
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Importing both WebAssembly module instances and WebAssembly source phase
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imports are supported under the `--experimental-wasm-modules` flag.
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imports is supported.
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Both of these integrations are in line with the
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[ES Module Integration Proposal for WebAssembly][].
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Instance imports allow any `.wasm` files to be imported as normal modules,
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supporting their module imports in turn.
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For example, an `index.js` containing:
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```js
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import * as M from './library.wasm';
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console.log(M);
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```
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executed under:
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```bash
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node --experimental-wasm-modules index.mjs
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```
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would provide the exports interface for the instantiation of `library.wasm`.
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### Wasm Source Phase Imports
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> Stability: 1.2 - Release candidate
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<!-- YAML
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added: v24.0.0
734723
-->
@@ -762,6 +751,8 @@ const instance = await WebAssembly.instantiate(dynamicLibrary, importObject);
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### JavaScript String Builtins
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> Stability: 1.2 - Release candidate
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<!-- YAML
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added: REPLACEME
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-->
@@ -811,14 +802,36 @@ const { exports: { getLength } } = await WebAssembly.instantiate(mod, {});
811802
getLength('foo'); // Also returns 3.
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```
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### Wasm Instance Phase Imports
806+
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> Stability: 1.1 - Active development
808+
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Instance imports allow any `.wasm` files to be imported as normal modules,
810+
supporting their module imports in turn.
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For example, an `index.js` containing:
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```js
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import * as M from './library.wasm';
816+
console.log(M);
817+
```
818+
819+
executed under:
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```bash
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node index.mjs
823+
```
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would provide the exports interface for the instantiation of `library.wasm`.
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### Reserved Wasm Namespaces
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<!-- YAML
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added: REPLACEME
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-->
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When importing WebAssembly modules through the ESM Integration, they cannot use
821-
import module names or import/export names that start with reserved prefixes:
833+
When importing WebAssembly module instances, they cannot use import module
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names or import/export names that start with reserved prefixes:
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* `wasm-js:` - reserved in all module import names, module names and export
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names.
@@ -1185,7 +1198,7 @@ _isImports_, _conditions_)
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> 1. Return _"commonjs"_.
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> 4. If _url_ ends in _".json"_, then
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> 1. Return _"json"_.
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> 5. If `--experimental-wasm-modules` is enabled and _url_ ends in
1201+
> 5. If _url_ ends in
11891202
> _".wasm"_, then
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> 1. Return _"wasm"_.
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> 6. If `--experimental-addon-modules` is enabled and _url_ ends in
@@ -1203,9 +1216,8 @@ _isImports_, _conditions_)
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> 1. Return _"module"_.
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> 3. Return _"commonjs"_.
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> 12. If _url_ does not have any extension, then
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> 1. If _packageType_ is _"module"_ and `--experimental-wasm-modules` is
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> enabled and the file at _url_ contains the header for a WebAssembly
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> module, then
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> 1. If _packageType_ is _"module"_ and the file at _url_ contains the
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> "application/wasm" content type header for a WebAssembly module, then
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> 1. Return _"wasm"_.
12101222
> 2. If _packageType_ is not **null**, then
12111223
> 1. Return _packageType_.
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‎doc/node-config-schema.json‎

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-3Lines changed: 0 additions & 3 deletions
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@@ -177,9 +177,6 @@
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"experimental-vm-modules": {
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"type": "boolean"
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},
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"experimental-wasm-modules": {
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"type": "boolean"
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},
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"experimental-websocket": {
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"type": "boolean"
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},
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‎doc/node.1‎

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-3Lines changed: 0 additions & 3 deletions
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@@ -220,9 +220,6 @@ Enable experimental ES module support in VM module.
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Enable experimental WebAssembly System Interface support. This
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flag is no longer required as WASI is enabled by default.
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.
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.It Fl -experimental-wasm-modules
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Enable experimental WebAssembly module support.
225-
.
226223
.It Fl -experimental-quic
227224
Enable the experimental QUIC support.
228225
.
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‎lib/internal/modules/esm/formats.js‎

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+2-7Lines changed: 2 additions & 7 deletions
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@@ -9,7 +9,6 @@ const { getValidatedPath } = require('internal/fs/utils');
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const fsBindings = internalBinding('fs');
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const { internal: internalConstants } = internalBinding('constants');
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const experimentalWasmModules = getOptionValue('--experimental-wasm-modules');
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const experimentalAddonModules = getOptionValue('--experimental-addon-modules');
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const extensionFormatMap = {
@@ -18,12 +17,9 @@ const extensionFormatMap = {
1817
'.js': 'module',
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'.json': 'json',
2019
'.mjs': 'module',
20+
'.wasm': 'wasm',
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};
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if (experimentalWasmModules) {
24-
extensionFormatMap['.wasm'] = 'wasm';
25-
}
26-
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if (experimentalAddonModules) {
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extensionFormatMap['.node'] = 'addon';
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}
@@ -46,7 +42,7 @@ function mimeToFormat(mime) {
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) !== null
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) { return 'module'; }
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if (mime === 'application/json') { return 'json'; }
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if (experimentalWasmModules && mime === 'application/wasm') { return 'wasm'; }
45+
if (mime === 'application/wasm') { return 'wasm'; }
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return null;
5147
}
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@@ -58,7 +54,6 @@ function mimeToFormat(mime) {
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* @returns {'wasm'|'module'}
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*/
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function getFormatOfExtensionlessFile(url) {
61-
if (!experimentalWasmModules) { return 'module'; }
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const path = getValidatedPath(url);
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switch (fsBindings.getFormatOfExtensionlessFile(path)) {
6459
case internalConstants.EXTENSIONLESS_FORMAT_WASM:
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‎lib/internal/modules/esm/translators.js‎

Copy file name to clipboardExpand all lines: lib/internal/modules/esm/translators.js
+1-2Lines changed: 1 addition & 2 deletions
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@@ -495,8 +495,6 @@ translators.set('json', function jsonStrategy(url, source) {
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*/
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const wasmInstances = new SafeWeakMap();
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translators.set('wasm', async function(url, source) {
498-
emitExperimentalWarning('Importing WebAssembly modules');
499-
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assertBufferSource(source, false, 'load');
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debug(`Translating WASMModule ${url}`);
@@ -546,6 +544,7 @@ translators.set('wasm', async function(url, source) {
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const createDynamicModule = require('internal/modules/esm/create_dynamic_module');
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const { module } = createDynamicModule([...importsList], [...exportsList], url, (reflect) => {
547+
emitExperimentalWarning('Importing WebAssembly module instances');
549548
for (const impt of importsList) {
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const importNs = reflect.imports[impt];
551550
const wasmInstance = wasmInstances.get(importNs);
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‎src/node.cc‎

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+1-3Lines changed: 1 addition & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -773,9 +773,7 @@ static ExitCode ProcessGlobalArgsInternal(std::vector<std::string>* args,
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env_opts->abort_on_uncaught_exception = true;
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}
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if (env_opts->experimental_wasm_modules) {
777-
v8_args.emplace_back("--js-source-phase-imports");
778-
}
776+
v8_args.emplace_back("--js-source-phase-imports");
779777

780778
#ifdef __POSIX__
781779
// Block SIGPROF signals when sleeping in epoll_wait/kevent/etc. Avoids the
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‎src/node_options.cc‎

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+1-4Lines changed: 1 addition & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -536,10 +536,7 @@ EnvironmentOptionsParser::EnvironmentOptionsParser() {
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kAllowedInEnvvar);
537537
AddAlias("--loader", "--experimental-loader");
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AddOption("--experimental-modules", "", NoOp{}, kAllowedInEnvvar);
539-
AddOption("--experimental-wasm-modules",
540-
"experimental ES Module support for webassembly modules",
541-
&EnvironmentOptions::experimental_wasm_modules,
542-
kAllowedInEnvvar);
539+
AddOption("--experimental-wasm-modules", "", NoOp{}, kAllowedInEnvvar);
543540
AddOption("--experimental-import-meta-resolve",
544541
"experimental ES Module import.meta.resolve() parentURL support",
545542
&EnvironmentOptions::experimental_import_meta_resolve,
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‎src/node_options.h‎

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@@ -133,7 +133,6 @@ class EnvironmentOptions : public Options {
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std::string localstorage_file;
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bool experimental_global_navigator = true;
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bool experimental_global_web_crypto = true;
136-
bool experimental_wasm_modules = false;
137136
bool experimental_import_meta_resolve = false;
138137
std::string input_type; // Value of --input-type
139138
bool entry_is_url = false;

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