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doc: add code example to process.throwDeprecation property

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PR-URL: https://github.com/nodejs/node/pull/29495
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
This commit is contained in:
Juan José Arboleda 2019-09-08 13:30:07 -05:00 committed by Rich Trott
parent e573c39b88
commit 68d6c4c661
1 changed files with 21 additions and 4 deletions
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25
doc/api/process.md
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@ -2224,11 +2224,28 @@ added: v0.9.12
* {boolean}
The `process.throwDeprecation` property indicates whether the
`--throw-deprecation` flag is set on the current Node.js process. See the
The initial value of `process.throwDeprecation` indicates whether the
`--throw-deprecation` flag is set on the current Node.js process.
`process.throwDeprecation` is mutable, so whether or not deprecation
warnings result in errors may be altered at runtime. See the
documentation for the [`'warning'` event][process_warning] and the
[`emitWarning()` method][process_emit_warning] for more information about this
flag's behavior.
[`emitWarning()` method][process_emit_warning] for more information.
```console
$ node --throw-deprecation -p "process.throwDeprecation"
true
$ node -p "process.throwDeprecation"
undefined
$ node
> process.emitWarning('test', 'DeprecationWarning');
undefined
> (node:26598) DeprecationWarning: test
> process.throwDeprecation = true;
true
> process.emitWarning('test', 'DeprecationWarning');
Thrown:
{ [DeprecationWarning: test] name: 'DeprecationWarning' }
```
## process.title
<!-- YAML