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import {getUsername} from '.';
type Source = HTMLAnchorElement | URL | URLSearchParams | Location;
/**
Parser/Mutator of GitHub's search query directly on anchors and URL-like objects.
Notice: if the <a> or `location` changes outside SearchQuery, `get()` will return an outdated value.
*/
export default class SearchQuery {
link?: HTMLAnchorElement | Location;
searchParams: URLSearchParams;
constructor(link: Source) {
if (link instanceof HTMLAnchorElement || link instanceof Location) {
this.link = link;
this.searchParams = new URLSearchParams(link.search);
// Keep `.search` property up to date with this `searchParams`
const nativeSet = this.searchParams.set;
this.searchParams.set = (name, value) => {
nativeSet.call(this.searchParams, name, value);
link.search = String(this.searchParams);
};
} else if (link instanceof URL) {
this.searchParams = link.searchParams;
} else {
this.searchParams = link;
}
}
get(): string {
const currentQuery = this.searchParams.get('q');
if (typeof currentQuery === 'string') {
return currentQuery;
}
// Query-less URLs imply some queries.
// When we explicitly set ?q=* they're overridden, so they need to be manually added again.
const queries = [];
// Repo example: is:issue is:open
queries.push(/\/pulls\/?$/.test(this.link!.pathname) ? 'is:pr' : 'is:issue');
queries.push('is:open');
// Header nav example: is:open is:issue author:you archived:false
if (this.link!.pathname === '/issues' || this.link!.pathname === '/pulls') {
if (this.searchParams.has('user')) { // #1211
queries.push(`user:${this.searchParams.get('user')!}`);
} else {
queries.push(`author:${getUsername()}`);
}
queries.push('archived:false');
}
return queries.join(' ');
}
// TODO: add support for values with spaces, e.g. `label:"help wanted"`
getQueryParts(): string[] {
return this.get().split(/\s+/);
}
set(newQuery: string): void {
const cleanQuery = newQuery.trim().replace(/\s+/, ' ');
this.searchParams.set('q', cleanQuery);
}
edit(callback: (query: string) => string): void {
this.set(callback(this.get()));
}
replace(searchValue: string | RegExp, replaceValue: string): void {
this.set(this.get().replace(searchValue, replaceValue));
}
remove(...queryPartToRemove: string[]): void {
const newQuery = this
.getQueryParts()
.filter(queryPart => !queryPartToRemove.includes(queryPart))
.join(' ');
this.set(newQuery);
}
add(...queryParts: string[]): void {
const newQuery = this.getQueryParts();
newQuery.push(...queryParts);
this.set(newQuery.join(' '));
}
includes(...searchStrings: string[]): boolean {
return this.getQueryParts().some(queryPart => searchStrings.includes(queryPart));
}
}
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