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class-autobind
Advanced tools
Readme
This package provides a single function, autobind
, for use within a constructor to bind all methods to the instance itself.
For example, this allows us to pass a method to an event handler element.addEventListener('click', this.onClick)
and be sure the onClick
method will always be called with the right context.
Note: This has some specific logic for React, but could be used in any project.
import autobind from 'class-autobind';
class MyComponent extends React.Component {
constructor() {
super(...arguments);
autobind(this);
}
render() {
return <button onClick={this.onClick}>Click Me</button>;
}
onClick() {
console.log('Button Clicked');
}
}
If your component will possibly be subclassed (you really should not do this, but some third-party libraries like react-css-modules do so) then you will need to specify which prototype will be the source of methods that are to be automatically bound.
import autobind from 'class-autobind';
class MyComponent extends React.Component {
constructor() {
super(...arguments);
autobind(this, MyComponent.prototype); // Note the second parameter.
}
render() {
/* ... */
}
}
class MySubClassedComponent extends MyComponent {
/* This is probably a very bad idea. */
}
This software is BSD Licensed.
FAQs
Method auto-bind for ES6 (ES2015) classes
The npm package class-autobind receives a total of 61,691 weekly downloads. As such, class-autobind popularity was classified as popular.
We found that class-autobind demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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Employee Spotlight
Philipp Burckhardt recounts his journey from childhood computer fascinations, to building an e-learning platform at Carnegie Mellon University, and on to his current role at Socket.
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