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49 lines
1.8 KiB
Markdown
49 lines
1.8 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://v8.dev/docs/stack-trace-api)
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## Install
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```
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$ npm install callsites
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```
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## Usage
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```js
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const 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 string representing the location where `eval` was called.
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- `isToplevel`: is this a top-level 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](https://sindresorhus.com)
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