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99 lines
3.4 KiB
Markdown
99 lines
3.4 KiB
Markdown
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node-bindings
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=============
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### Helper module for loading your native module's `.node` file
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This is a helper module for authors of Node.js native addon modules.
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It is basically the "swiss army knife" of `require()`ing your native module's
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`.node` file.
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Throughout the course of Node's native addon history, addons have ended up being
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compiled in a variety of different places, depending on which build tool and which
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version of node was used. To make matters worse, now the `gyp` build tool can
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produce either a __Release__ or __Debug__ build, each being built into different
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locations.
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This module checks _all_ the possible locations that a native addon would be built
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at, and returns the first one that loads successfully.
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Installation
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------------
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Install with `npm`:
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``` bash
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$ npm install --save bindings
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```
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Or add it to the `"dependencies"` section of your `package.json` file.
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Example
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-------
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`require()`ing the proper bindings file for the current node version, platform
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and architecture is as simple as:
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``` js
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var bindings = require('bindings')('binding.node')
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// Use your bindings defined in your C files
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bindings.your_c_function()
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```
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Nice Error Output
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-----------------
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When the `.node` file could not be loaded, `node-bindings` throws an Error with
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a nice error message telling you exactly what was tried. You can also check the
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`err.tries` Array property.
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```
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Error: Could not load the bindings file. Tried:
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→ /Users/nrajlich/ref/build/binding.node
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→ /Users/nrajlich/ref/build/Debug/binding.node
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→ /Users/nrajlich/ref/build/Release/binding.node
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→ /Users/nrajlich/ref/out/Debug/binding.node
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→ /Users/nrajlich/ref/Debug/binding.node
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→ /Users/nrajlich/ref/out/Release/binding.node
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→ /Users/nrajlich/ref/Release/binding.node
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→ /Users/nrajlich/ref/build/default/binding.node
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→ /Users/nrajlich/ref/compiled/0.8.2/darwin/x64/binding.node
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at bindings (/Users/nrajlich/ref/node_modules/bindings/bindings.js:84:13)
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at Object.<anonymous> (/Users/nrajlich/ref/lib/ref.js:5:47)
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at Module._compile (module.js:449:26)
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at Object.Module._extensions..js (module.js:467:10)
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at Module.load (module.js:356:32)
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at Function.Module._load (module.js:312:12)
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...
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```
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The searching for the `.node` file will originate from the first directory in which has a `package.json` file is found.
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License
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-------
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(The MIT License)
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Copyright (c) 2012 Nathan Rajlich <nathan@tootallnate.net>
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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'Software'), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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