337 lines
11 KiB
HTML
337 lines
11 KiB
HTML
<!doctype html>
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<html class="no-js" lang="">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="x-ua-compatible" content="ie=edge">
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<title>hometask documentation</title>
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<meta name="description" content="">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="icon" type="image/x-icon" href="../images/favicon.ico">
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<link rel="stylesheet" href="../styles/style.css">
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<link rel="stylesheet" href="../styles/dark.css">
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<link rel="stylesheet" href="../styles/readthedocs.css">
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</head>
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<body>
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<div class="navbar navbar-default navbar-fixed-top visible-xs">
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<a href="../" class="navbar-brand">hometask documentation</a>
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<button type="button" class="btn btn-default btn-menu ion-ios-menu" id="btn-menu"></button>
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</div>
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<div class="xs-menu menu" id="mobile-menu">
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<div id="book-search-input" role="search"><input type="text" placeholder="Type to search"></div> <compodoc-menu></compodoc-menu>
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</div>
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<div class="container-fluid main">
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<div class="row main">
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<div class="hidden-xs menu">
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<compodoc-menu mode="normal"></compodoc-menu>
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</div>
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<!-- START CONTENT -->
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<div class="content injectable">
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<div class="content-data">
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<ol class="breadcrumb">
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<li>Injectables</li>
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<li >PageInterceptor</li>
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</ol>
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<ul class="nav nav-tabs" role="tablist">
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<li class="active">
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<a href="#info" role="tab" id="info-tab" data-toggle="tab" data-link="info">Info</a>
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</li>
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<li >
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<a href="#source" role="tab" id="source-tab" data-toggle="tab" data-link="source">Source</a>
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</li>
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</ul>
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<div class="tab-content">
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<div class="tab-pane fade active in" id="c-info">
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<p class="comment">
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<h3>File</h3>
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</p>
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<p class="comment">
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<code>src/core/interceptors/page.interceptor.ts</code>
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</p>
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<p class="comment">
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<h3>Description</h3>
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</p>
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<p class="comment">
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<p>Pagination-implementing interceptor</p>
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</p>
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<section>
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<h3 id="index">Index</h3>
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<table class="table table-sm table-bordered index-table">
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<tbody>
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<tr>
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<td class="col-md-4">
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<h6><b>Methods</b></h6>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<ul class="index-list">
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<li>
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<a href="#intercept" >intercept</a>
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</li>
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</ul>
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</td>
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</tr>
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</tbody>
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</table>
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</section>
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<section>
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<h3 id="methods">
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Methods
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</h3>
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<table class="table table-sm table-bordered">
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<tbody>
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<tr>
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<td class="col-md-4">
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<a name="intercept"></a>
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<span class="name">
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<span ><b>intercept</b></span>
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<a href="#intercept"><span class="icon ion-ios-link"></span></a>
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</span>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<code>intercept(context: ExecutionContext, next: CallHandler<any>)</code>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="20"
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class="link-to-prism">src/core/interceptors/page.interceptor.ts:20</a></div>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<div class="io-description"><p>Override of intercept() method, specified in NestInterceptor interface</p>
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</div>
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<div class="io-description">
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<b>Parameters :</b>
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<table class="params">
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<thead>
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<tr>
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<td>Name</td>
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<td>Type</td>
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<td>Optional</td>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>context</td>
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<td>
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<code>ExecutionContext</code>
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</td>
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<td>
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No
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</td>
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</tr>
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<tr>
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<td>next</td>
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<td>
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<code>CallHandler<any></code>
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</td>
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<td>
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No
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div>
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</div>
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<div class="io-description">
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<b>Returns : </b> <code>Observable | Promise</code>
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</div>
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<div class="io-description">
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<p>Page with content and metadata</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</section>
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</div>
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<div class="tab-pane fade tab-source-code" id="c-source">
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<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { CallHandler, ExecutionContext, Injectable, NestInterceptor } from "@nestjs/common";
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import { MetadataScanner } from "@nestjs/core";
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import { Observable, map } from "rxjs";
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import { PageDto } from "../domain/dtos";
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import { SearchQueryDto } from "../domain/dtos/search-q.dto";
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import { Order } from "../domain/enums/page-order.enum";
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import { PageMeta } from "../domain/interfaces";
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/**
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* Pagination-implementing interceptor
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*/
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@Injectable()
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export class PageInterceptor implements NestInterceptor {
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/**
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* Override of intercept() method, specified in NestInterceptor interface
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* @param context
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* @param next
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* @returns Page with content and metadata
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*/
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intercept(context: ExecutionContext, next: CallHandler<any>): Observable<any> | Promise<Observable<any>> {
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const request = context.switchToHttp().getRequest();
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const query: SearchQueryDto = request.query;
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return next.handle().pipe(
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map((res) => {
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if (!res.hits) return res;
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let meta: PageMeta = {
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pagenum: +query?.page,
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order: query?.order?.toUpperCase() === Order.ASC ? Order.ASC : Order.DESC,
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hasNext: false,
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hasPrev: false,
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pagesize: !query?.limit ? 1 : query.limit,
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};
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meta.hasNext = res.hits[meta.pagenum * meta.pagesize] ? true : false;
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meta.hasPrev = res.hits[(meta.pagenum - 1) * meta.pagesize - 1] ? true: false;
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const data = res.hits.slice((meta.pagenum - 1) * meta.pagesize, meta.pagenum * meta.pagesize);
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return new PageDto(data, meta);
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})
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);
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}
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// getQueryParams(str: string): any {
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// let parameters: object = {};
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// let pairs: string[] = str.split(',');
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// parameters['main'] = pairs[0];
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// pairs.shift();
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// if(!pairs || pairs[0] === '') return parameters;
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// for (const pair of pairs) {
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// const key: string = pair.substring(0, pair.indexOf('='));
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// const value: string = pair.substring(pair.indexOf('=') + 1);
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// parameters[key] = value;
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// }
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// return parameters;
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// }
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}</code></pre>
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</div>
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</div>
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</div><div class="search-results">
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<div class="has-results">
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<h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
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<ul class="search-results-list"></ul>
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</div>
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<div class="no-results">
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<h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
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</div>
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</div>
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</div>
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<!-- END CONTENT -->
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</div>
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</div>
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<label class="dark-mode-switch">
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<input type="checkbox">
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<span class="slider">
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<svg class="slider-icon" viewBox="0 0 24 24" fill="none" height="20" stroke="#000" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" width="20" xmlns="http://www.w3.org/2000/svg">
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<path d="M21 12.79A9 9 0 1111.21 3 7 7 0 0021 12.79z"></path>
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</svg>
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</span>
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</label>
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<script>
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var COMPODOC_CURRENT_PAGE_DEPTH = 1;
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var COMPODOC_CURRENT_PAGE_CONTEXT = 'injectable';
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var COMPODOC_CURRENT_PAGE_URL = 'PageInterceptor.html';
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var MAX_SEARCH_RESULTS = 15;
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</script>
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<script src="../js/libs/custom-elements.min.js"></script>
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<script src="../js/libs/lit-html.js"></script>
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<script src="../js/menu-wc.js" defer></script>
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<script nomodule src="../js/menu-wc_es5.js" defer></script>
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<script src="../js/libs/bootstrap-native.js"></script>
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<script src="../js/libs/es6-shim.min.js"></script>
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<script src="../js/libs/EventDispatcher.js"></script>
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<script src="../js/libs/promise.min.js"></script>
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<script src="../js/libs/zepto.min.js"></script>
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<script src="../js/compodoc.js"></script>
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<script src="../js/tabs.js"></script>
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<script src="../js/menu.js"></script>
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<script src="../js/libs/clipboard.min.js"></script>
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<script src="../js/libs/prism.js"></script>
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<script src="../js/sourceCode.js"></script>
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<script src="../js/search/search.js"></script>
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<script src="../js/search/lunr.min.js"></script>
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<script src="../js/search/search-lunr.js"></script>
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<script src="../js/search/search_index.js"></script>
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<script src="../js/lazy-load-graphs.js"></script>
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</body>
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</html>
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