Roman Sedov MarsiBarsi
MarsiBarsi
/ file.js
Created
August 6, 2021 08:55
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| const environment = { | |
| type: 'prod', | |
| variables: { | |
| api: 'some-url', | |
| port: '8080' | |
| } | |
| } | |
| const { | |
| type: envType, // we extract "type" and call it "envType" here |
MarsiBarsi
/ file.js
Created
August 6, 2021 08:40
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| const client = {name: 'John', login: 'john45', secretKey: 'xyz123'}; | |
| const {secretKey, ...clientData} = client; | |
| clientData // {name: 'John', login: 'john45'}; |
MarsiBarsi
/ cool-file.js
Created
August 6, 2021 05:41
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| function expandObjWithStatus(obj, condition) { | |
| return { | |
| ...obj, | |
| ...(condition && { | |
| status: 'modified' | |
| }) | |
| } | |
| } |
MarsiBarsi
/ component.ts
Created
March 29, 2021 17:20
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| @Component({}) | |
| export class AppComponent { | |
| readonly noneMessage = "nothing"; | |
| readonly selectSeat$ = new Subject<number>(); | |
| readonly selectedMessage$ = this.selectSeat$.pipe( | |
| scan(registerSeats, new Set<number>()), | |
| startWith(new Set<number>()), | |
| map(set => (set.size ? Array.from(set).join(", ") : this.noneMessage)), |
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| import {DOCUMENT} from '@angular/common'; | |
| import {inject, InjectionToken} from '@angular/core'; | |
| import {fromEvent, Observable} from 'rxjs'; | |
| import {distinctUntilChanged, map, share, startWith} from 'rxjs/operators'; | |
| export const PAGE_VISIBILITY = new InjectionToken<Observable<boolean>>( | |
| 'Shared Observable based on `document visibility changed`', | |
| { | |
| factory: () => { | |
| const documentRef = inject(DOCUMENT); |
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| const pageVisibility$ = fromEvent(documentRef, 'visibilitychange').pipe( | |
| startWith(0), | |
| map(() => documentRef.visibilityState !== 'hidden'), | |
| distinctUntilChanged(), | |
| ); |
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| { | |
| "scripts": { | |
| "build": "node --max_old_space_size=8192 node_modules/@angular/cli/bin/ng build --prod --configuration=production" | |
| } | |
| } |
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| import { inject, InjectionToken } from '@angular/core'; | |
| // from https://github.com/ng-web-apis/common | |
| import { USER_AGENT } from '@ng-web-apis/common'; | |
| // https://stackoverflow.com/a/11381730/2706426 http://detectmobilebrowsers.com/ | |
| const firstRegex = /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/; | |
| const secondRegex = /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go |
MarsiBarsi
/ get-native-focused.ts
Created
July 14, 2020 13:30
Returns current active element, including shadow dom
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| /** | |
| * Returns current active element, including shadow dom | |
| * | |
| * @return element or null | |
| */ | |
| export function getNativeFocused(documentRef: Document): Element | null { | |
| if (!documentRef.activeElement || !documentRef.activeElement.shadowRoot) { | |
| return documentRef.activeElement; | |
| } |
MarsiBarsi
/ static-request.service.ts
Last active
November 30, 2020 03:44
static-request.service.ts
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| @Injectable({ providedIn: 'root' }) | |
| export class StaticRequestService { | |
| private readonly cache = new Map<string, Observable<string>>(); | |
| request(url: string): Observable<string> { | |
| const cache = this.cache.get(url); | |
| if (cache) { | |
| return cache; | |
| } |
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