@appsignal/preact

This integration is for Preact v10.0.0+ (also known as Preact X).

Installation

Add the @appsignal/preact and @appsignal/javascript packages to your package.json. Then, run npm install/yarn install.

You can also add these packages to your package.json on the command line:

1
2 yarn add @appsignal/javascript @appsignal/preact
npm install --save @appsignal/javascript @appsignal/preact

Usage

Error Boundary

If you are using Preact v10.0.0 or higher, you can use the ErrorBoundary component to catch errors from anywhere in the child component tree.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26 import { Component } from "preact";

import Appsignal from "@appsignal/javascript";
import { ErrorBoundary } from "@appsignal/preact";

const appsignal = new Appsignal({
  key: "YOUR FRONTEND API KEY"
});

const FallbackComponent = () => (
  <div>Uh oh! There was an error :(</div>
);

export default class App extends Component {
  render() {
    return (
      <ErrorBoundary
        instance={appsignal}
        tags={{ tag: "value" }} {/* Optional */}
        fallback={(error) => <FallbackComponent />} {/* Optional */}
      >
        { /** Child components here **/}
      </ErrorBoundary>
    )
  }
}