@rxap/ngx-error
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This package provides a comprehensive error handling solution for Angular applications, including interceptors, services, and UI components to display different types of errors in a user-friendly dialog. It supports handling of generic errors, HTTP errors
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SimplifiedHttpErrorResponse</li>
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<h3>File</h3>
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<code>src/lib/utilities.ts</code>
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<h3>Extends</h3>
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<code>Record</code>
</p>
<section data-compodoc="block-index">
<h3 id="index">Index</h3>
<table class="table table-sm table-bordered index-table">
<tbody>
<tr>
<td class="col-md-4">
<h6><b>Properties</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
<a href="#error"
>
error
</a>
</li>
<li>
<a href="#errorMessage"
>
errorMessage
</a>
</li>
<li>
<a href="#headers"
>
headers
</a>
</li>
<li>
<a href="#message"
>
message
</a>
</li>
<li>
<a href="#name"
>
name
</a>
</li>
<li>
<a href="#ok"
>
ok
</a>
</li>
<li>
<a href="#status"
>
status
</a>
</li>
<li>
<a href="#statusText"
>
statusText
</a>
</li>
<li>
<a href="#type"
>
type
</a>
</li>
<li>
<a href="#url"
>
url
</a>
</li>
</ul>
</td>
</tr>
</tbody>
</table>
</section>
<section data-compodoc="block-properties">
<h3 id="inputs">Properties</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="error"></a>
<span class="name "><b>error</b>
<a href="#error">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>error: <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >any</a></code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >any</a></code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="errorMessage"></a>
<span class="name "><b>errorMessage</b>
<a href="#errorMessage">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>errorMessage: <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="headers"></a>
<span class="name "><b>headers</b>
<a href="#headers">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>headers: <code>Record<string | string[]></code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>Record<string | string[]></code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="message"></a>
<span class="name "><b>message</b>
<a href="#message">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>message: <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="name"></a>
<span class="name "><b>name</b>
<a href="#name">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>name: <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="ok"></a>
<span class="name "><b>ok</b>
<a href="#ok">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>ok: <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank" >boolean</a></code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank" >boolean</a></code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="status"></a>
<span class="name "><b>status</b>
<a href="#status">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>status: <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="statusText"></a>
<span class="name "><b>statusText</b>
<a href="#statusText">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>statusText: <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="type"></a>
<span class="name "><b>type</b>
<a href="#type">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>type: <code>HttpEventType.Response | HttpEventType.ResponseHeader</code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>HttpEventType.Response | HttpEventType.ResponseHeader</code>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="url"></a>
<span class="name "><b>url</b>
<a href="#url">
<span class="icon ion-ios-link"></span>
</a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>url: <code>string | null</code>
</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>string | null</code>
</td>
</tr>
</tbody>
</table>
</section>
</div>
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<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import {
HttpErrorResponse,
HttpEventType,
} from '@angular/common/http';
export interface SimplifiedHttpErrorResponse extends Record<string, unknown> {
url: string | null;
message: string;
name: string;
status: number;
statusText: string;
headers: Record<string, string[]>;
error: any;
errorMessage: string;
ok: boolean;
type: HttpEventType.Response | HttpEventType.ResponseHeader;
}
export function SimplifyHttpErrorResponse(event: HttpErrorResponse): SimplifiedHttpErrorResponse {
let error = event.error;
if (typeof error !== 'object') {
if (error instanceof Blob) {
console.warn('error response object is a blob');
error = '[BLOB]';
} else {
try {
error = JSON.parse(error);
} catch (e) {
console.warn('error response object is not a json');
}
}
}
return {
errorMessage: (typeof error === 'object' ? error?.message : undefined) ?? event.message,
error: error,
message: event.message,
name: event.name,
status: event.status,
statusText: event.statusText,
url: event.url,
ok: event.ok,
type: event.type,
headers: event.headers.keys()
.reduce((map, key) => ({
...map,
[key]: event.headers.getAll(key),
}), {}),
};
}
export function ExtractContextFromError(error: unknown) {
const context: Record<string, Record<string, unknown>> = {};
if (error instanceof HttpErrorResponse) {
context['response'] = SimplifyHttpErrorResponse(error);
}
return context;
}
export function ExtractExtraFromError(error: unknown) {
return {};
}
export function ExtractTagsFromError(error: unknown) {
return {};
}
export function ExtractError(error: unknown) {
if (error instanceof HttpErrorResponse) {
return error;
}
if (error instanceof Error) {
return error;
}
if (typeof error === 'string') {
return error;
}
return 'Handled unknown error';
}
export function PrintError(errorCandidate: unknown) {
if (errorCandidate instanceof HttpErrorResponse) {
console.groupCollapsed(errorCandidate.message);
const {
headers,
error,
...map
} = SimplifyHttpErrorResponse(errorCandidate);
if (typeof error === 'object' && error?.message) {
console.log(error?.message);
}
console.log(error);
console.table(map);
console.groupCollapsed('Headers');
console.table(headers);
console.groupEnd();
console.groupEnd();
} else if (errorCandidate instanceof Error) {
console.error(errorCandidate);
} else if (typeof errorCandidate === 'string') {
console.error(errorCandidate);
}
}
</code></pre>
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