forked from angular/angular
-
Notifications
You must be signed in to change notification settings - Fork 2
/
reporting-error-handler.ts
63 lines (55 loc) · 1.79 KB
/
reporting-error-handler.ts
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
import { ErrorHandler, Inject, Injectable, VERSION } from '@angular/core';
import { WindowToken } from './window';
/**
* Extend the default error handling to report errors to an external service - e.g Google Analytics.
*
* Errors outside the Angular application may also be handled by `window.onerror`.
*/
@Injectable()
export class ReportingErrorHandler extends ErrorHandler {
constructor(@Inject(WindowToken) private window: Window) {
super();
}
/**
* Send error info to Google Analytics, in addition to the default handling.
*
* @param error Information about the error.
*/
override handleError(error: any) {
const versionedError = this.prefixErrorWithVersion(error);
try {
super.handleError(versionedError);
} catch (e) {
this.reportError(e);
}
this.reportError(versionedError);
}
private prefixErrorWithVersion<T>(error: T): T {
const prefix = `[v${VERSION.full}] `;
if (error instanceof Error) {
const oldMessage = error.message;
error.message = `${prefix}${oldMessage}`;
error.stack = error.stack?.replace(oldMessage, error.message);
} else if (typeof error === 'string') {
error = `${prefix}${error}` as unknown as T;
}
// If it is a different type, omit the version to avoid altering the original `error` object.
return error;
}
private reportError(error: unknown) {
if (this.window.onerror) {
if (error instanceof Error) {
this.window.onerror(error.message, undefined, undefined, undefined, error);
} else {
if (typeof error === 'object') {
try {
error = JSON.stringify(error);
} catch {
// Ignore the error and just let it be stringified.
}
}
this.window.onerror(`${error}`);
}
}
}
}