48 lines
1.9 KiB
Markdown
48 lines
1.9 KiB
Markdown
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# callsites [](https://travis-ci.org/sindresorhus/callsites)
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> Get callsites from the [V8 stack trace API](https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi)
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## Install
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```sh
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$ npm install --save callsites
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```
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## Usage
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```js
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var callsites = require('callsites');
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function unicorn() {
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console.log(callsites()[0].getFileName());
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//=> /Users/sindresorhus/dev/callsites/test.js
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}
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unicorn();
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```
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## API
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Returns an array of callsite objects with the following methods:
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- `getThis`: returns the value of this
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- `getTypeName`: returns the type of this as a string. This is the name of the function stored in the constructor field of this, if available, otherwise the object's [[Class]] internal property.
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- `getFunction`: returns the current function
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- `getFunctionName`: returns the name of the current function, typically its name property. If a name property is not available an attempt will be made to try to infer a name from the function's context.
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- `getMethodName`: returns the name of the property of this or one of its prototypes that holds the current function
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- `getFileName`: if this function was defined in a script returns the name of the script
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- `getLineNumber`: if this function was defined in a script returns the current line number
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- `getColumnNumber`: if this function was defined in a script returns the current column number
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- `getEvalOrigin`: if this function was created using a call to eval returns a CallSite object representing the location where eval was called
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- `isToplevel`: is this a toplevel invocation, that is, is this the global object?
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- `isEval`: does this call take place in code defined by a call to eval?
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- `isNative`: is this call in native V8 code?
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- `isConstructor`: is this a constructor call?
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## License
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MIT © [Sindre Sorhus](http://sindresorhus.com)
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