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01cd21973b
This PR adds the ability to provide Workers with their own
execArgv flags in replacement of the main thread's execArgv. Only
per-Isolate/per-Environment options are allowed. Per-Process options
and V8 flags are not allowed. Passing an empty execArgv array will
reset per-Isolate and per-Environment options of the Worker to their
defaults. If execArgv option is not passed, the Worker will get
the same flags as the main thread.
Usage example:
```
const worker = new Worker(__filename, {
execArgv: ['--trace-warnings'],
});
```
PR-URL: https://github.com/nodejs/node/pull/25467
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
36 lines
852 B
JavaScript
36 lines
852 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { Worker } = require('worker_threads');
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{
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const expectedErr = common.expectsError({
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code: 'ERR_INVALID_ARG_TYPE',
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type: TypeError
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}, 2);
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assert.throws(() => {
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new Worker(__filename, { execArgv: 'hello' });
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}, expectedErr);
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assert.throws(() => {
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new Worker(__filename, { execArgv: 6 });
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}, expectedErr);
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}
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{
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const expectedErr = common.expectsError({
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code: 'ERR_WORKER_INVALID_EXEC_ARGV',
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type: Error
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}, 3);
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assert.throws(() => {
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new Worker(__filename, { execArgv: ['--foo'] });
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}, expectedErr);
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assert.throws(() => {
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new Worker(__filename, { execArgv: ['--title=blah'] });
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}, expectedErr);
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assert.throws(() => {
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new Worker(__filename, { execArgv: ['--redirect-warnings'] });
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}, expectedErr);
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}
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