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Fixes: https://github.com/nodejs/node/issues/6642 PR-URL: https://github.com/nodejs/node/pull/6689 Reviewed-By: Michaël Zasso <mic.besace@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com> Reviewed-By: Alexander Makarenko <estliberitas@gmail.com> Reviewed-By: Jeremiah Senkpiel <Fishrock123@rocketmail.com>
92 lines
3.3 KiB
Markdown
92 lines
3.3 KiB
Markdown
# About this Documentation
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<!-- type=misc -->
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The goal of this documentation is to comprehensively explain the Node.js
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API, both from a reference as well as a conceptual point of view. Each
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section describes a built-in module or high-level concept.
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Where appropriate, property types, method arguments, and the arguments
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provided to event handlers are detailed in a list underneath the topic
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heading.
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Every `.html` document has a corresponding `.json` document presenting
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the same information in a structured manner. This feature is
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experimental, and added for the benefit of IDEs and other utilities that
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wish to do programmatic things with the documentation.
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Every `.html` and `.json` file is generated based on the corresponding
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`.md` file in the `doc/api/` folder in Node.js's source tree. The
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documentation is generated using the `tools/doc/generate.js` program.
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The HTML template is located at `doc/template.html`.
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If you find an error in this documentation, please [submit an issue][]
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or see [the contributing guide][] for directions on how to submit a patch.
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## Stability Index
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<!--type=misc-->
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Throughout the documentation, you will see indications of a section's
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stability. The Node.js API is still somewhat changing, and as it
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matures, certain parts are more reliable than others. Some are so
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proven, and so relied upon, that they are unlikely to ever change at
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all. Others are brand new and experimental, or known to be hazardous
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and in the process of being redesigned.
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The stability indices are as follows:
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```
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Stability: 0 - Deprecated
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This feature is known to be problematic, and changes are
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planned. Do not rely on it. Use of the feature may cause warnings. Backwards
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compatibility should not be expected.
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```
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```
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Stability: 1 - Experimental
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This feature is subject to change, and is gated by a command line flag.
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It may change or be removed in future versions.
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```
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```
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Stability: 2 - Stable
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The API has proven satisfactory. Compatibility with the npm ecosystem
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is a high priority, and will not be broken unless absolutely necessary.
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```
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```
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Stability: 3 - Locked
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Only fixes related to security, performance, or bug fixes will be accepted.
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Please do not suggest API changes in this area; they will be refused.
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```
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## JSON Output
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Stability: 1 - Experimental
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Every HTML file in the markdown has a corresponding JSON file with the
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same data.
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This feature was added in Node.js v0.6.12. It is experimental.
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## Syscalls and man pages
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System calls like open(2) and read(2) define the interface between user programs
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and the underlying operating system. Node functions which simply wrap a syscall,
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like `fs.open()`, will document that. The docs link to the corresponding man
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pages (short for manual pages) which describe how the syscalls work.
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**Caveat:** some syscalls, like lchown(2), are BSD-specific. That means, for
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example, that `fs.lchown()` only works on Mac OS X and other BSD-derived systems,
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and is not available on Linux.
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Most Unix syscalls have Windows equivalents, but behavior may differ on Windows
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relative to Linux and OS X. For an example of the subtle ways in which it's
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sometimes impossible to replace Unix syscall semantics on Windows, see [Node
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issue 4760](https://github.com/nodejs/node/issues/4760).
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[submit an issue]: https://github.com/nodejs/node/issues/new
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[the contributing guide]: https://github.com/nodejs/node/blob/master/CONTRIBUTING.md
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