fix(#634) Locale pipes optimizations unit tests

jsverse · Aug 6, 2023 · 5dd5864 · 5dd5864
1 parent 760d5f8
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diff --git a/libs/transloco-locale/src/lib/pipes/base-locale.pipe.ts b/libs/transloco-locale/src/lib/pipes/base-locale.pipe.ts
@@ -1,64 +1,64 @@
-import {
-  ChangeDetectorRef,
-  inject,
-  Injectable,
-  OnDestroy,
-} from '@angular/core';
-import { Subscription } from 'rxjs';
-
-import { Locale } from '../../lib/transloco-locale.types';
-import { TranslocoLocaleService } from '../transloco-locale.service';
-
-type Deps = [TranslocoLocaleService, ChangeDetectorRef];
-@Injectable()
-export abstract class BaseLocalePipe<VALUE = unknown, ARGS extends unknown[] = []> implements OnDestroy {
-  protected localeService = inject(TranslocoLocaleService);
-  protected cdr = inject(ChangeDetectorRef);
-
-  private localeChangeSub: Subscription | null =
-    this.localeService.localeChanges$.subscribe(() => this.invalidate());
-
-  protected lastValue?: VALUE;
-  protected lastArgs?: string;
-  
-  protected lastResult = '';
-  
-  protected getLocale(locale?: Locale): Locale {
-    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-    return locale || this.localeService.getLocale()!;
-  }
-
-  transform(value: VALUE, ...args: ARGS): string {
-    if (this.isSameValue(value) && this.isSameArgs(...args)) {
-      return this.lastResult;
-    }
-    this.lastResult = this.doTransform(value, ...args);
-    this.lastValue = value;
-    this.lastArgs = JSON.stringify(args);
-    return this.lastResult;
-  }
-
-  protected abstract doTransform(value: VALUE, ...args: ARGS): string;
-
-  protected isSameValue(value: VALUE): boolean {
-    return this.lastValue === value;
-  }
-
-  protected isSameArgs(...args: ARGS): boolean {
-    return JSON.stringify(args) === this.lastArgs;
-  }
-
-  invalidate() {
-    this.lastValue = undefined;
-    this.lastArgs = undefined;
-    this.lastResult = '';
-    this.cdr.markForCheck();
-  }
-
-  ngOnDestroy(): void {
-    this.localeChangeSub?.unsubscribe();
-    // Caretaker note: it's important to clean up references to subscriptions since they save the `next`
-    // callback within its `destination` property, preventing classes from being GC'd.
-    this.localeChangeSub = null;
-  }
-}
+import {
+  ChangeDetectorRef,
+  inject,
+  Injectable,
+  OnDestroy,
+} from '@angular/core';
+import { Subscription } from 'rxjs';
+
+import { Locale } from '../../lib/transloco-locale.types';
+import { TranslocoLocaleService } from '../transloco-locale.service';
+
+type Deps = [TranslocoLocaleService, ChangeDetectorRef];
+@Injectable()
+export abstract class BaseLocalePipe<VALUE = unknown, ARGS extends unknown[] = []> implements OnDestroy {
+  protected localeService = inject(TranslocoLocaleService);
+  protected cdr = inject(ChangeDetectorRef);
+
+  private localeChangeSub: Subscription | null =
+    this.localeService.localeChanges$.subscribe(() => this.invalidate());
+
+  protected lastValue?: VALUE;
+  protected lastArgs?: string;
+
+  protected lastResult = '';
+
+  protected getLocale(locale?: Locale): Locale {
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    return locale || this.localeService.getLocale()!;
+  }
+
+  transform(value: VALUE, ...args: ARGS): string {
+    if (this.isSameValue(value) && this.isSameArgs(...args)) {
+      return this.lastResult;
+    }
+    this.lastResult = this.doTransform(value, ...args);
+    this.lastValue = value;
+    this.lastArgs = JSON.stringify(args);
+    return this.lastResult;
+  }
+
+  protected abstract doTransform(value: VALUE, ...args: ARGS): string;
+
+  protected isSameValue(value: VALUE): boolean {
+    return this.lastValue === value;
+  }
+
+  protected isSameArgs(...args: ARGS): boolean {
+    return JSON.stringify(args) === this.lastArgs;
+  }
+
+  invalidate() {
+    this.lastValue = undefined;
+    this.lastArgs = undefined;
+    this.lastResult = '';
+    this.cdr.markForCheck();
+  }
+
+  ngOnDestroy(): void {
+    this.localeChangeSub?.unsubscribe();
+    // Caretaker note: it's important to clean up references to subscriptions since they save the `next`
+    // callback within its `destination` property, preventing classes from being GC'd.
+    this.localeChangeSub = null;
+  }
+}
diff --git a/libs/transloco-locale/src/lib/pipes/transloco-date.pipe.ts b/libs/transloco-locale/src/lib/pipes/transloco-date.pipe.ts
@@ -1,56 +1,57 @@
-import { inject, Pipe, PipeTransform } from '@angular/core';
-import { isNil } from '@ngneat/transloco';
-
-import { getDefaultOptions } from '../shared';
-import { TRANSLOCO_LOCALE_CONFIG } from '../transloco-locale.config';
-import {
-  DateFormatOptions,
-  Locale,
-  LocaleConfig,
-  ValidDate,
-} from '../transloco-locale.types';
-
-import { BaseLocalePipe } from './base-locale.pipe';
-
-@Pipe({
-  name: 'translocoDate',
-  pure: false,
-  standalone: true,
-})
-export class TranslocoDatePipe
-  extends BaseLocalePipe<ValidDate, [options?: DateFormatOptions, locale?: Locale]>
-  implements PipeTransform {
-  private localeConfig: LocaleConfig = inject(TRANSLOCO_LOCALE_CONFIG);
-
-  /**
-   * Transform a date into the locale's date format.
-   *
-   * The date expression: a `Date` object,  a number
-   * (milliseconds since UTC epoch), or an ISO string (https://www.w3.org/TR/NOTE-datetime).
-   *
-   * @example
-   *
-   * date | translocoDate: {} : en-US // 9/10/2019
-   * date | translocoDate: { dateStyle: 'medium', timeStyle: 'medium' } : en-US // Sep 10, 2019, 10:46:12 PM
-   * date | translocoDate: { timeZone: 'UTC', timeStyle: 'full' } : en-US // 7:40:32 PM Coordinated Universal Time
-   * 1 | translocoDate: { dateStyle: 'medium' } // Jan 1, 1970
-   * '2019-02-08' | translocoDate: { dateStyle: 'medium' } // Feb 8, 2019
-   */
-  protected override doTransform(date: ValidDate, options: DateFormatOptions = {}, locale?: Locale) {
-    if (isNil(date)) return '';
-    locale = this.getLocale(locale);
-
-    return this.localeService.localizeDate(date, locale, {
-      ...getDefaultOptions(locale, 'date', this.localeConfig),
-      ...options,
-    });
-  } 
-
-  protected override isSameValue(value?: ValidDate) {
-    return this.getComparableDate(this.lastValue) === this.getComparableDate(value);
-  }
-
-  private getComparableDate(value?: any) {
-    return value?.getTime ? value.getTime() : value;
-  }
-}
+import { inject, Pipe, PipeTransform } from '@angular/core';
+import { isNil } from '@ngneat/transloco';
+
+import { isDate } from '../helpers';
+import { getDefaultOptions } from '../shared';
+import { TRANSLOCO_LOCALE_CONFIG } from '../transloco-locale.config';
+import {
+  DateFormatOptions,
+  Locale,
+  LocaleConfig,
+  ValidDate,
+} from '../transloco-locale.types';
+
+import { BaseLocalePipe } from './base-locale.pipe';
+
+@Pipe({
+  name: 'translocoDate',
+  pure: false,
+  standalone: true,
+})
+export class TranslocoDatePipe
+  extends BaseLocalePipe<ValidDate, [options?: DateFormatOptions, locale?: Locale]>
+  implements PipeTransform {
+  private localeConfig: LocaleConfig = inject(TRANSLOCO_LOCALE_CONFIG);
+
+  /**
+   * Transform a date into the locale's date format.
+   *
+   * The date expression: a `Date` object,  a number
+   * (milliseconds since UTC epoch), or an ISO string (https://www.w3.org/TR/NOTE-datetime).
+   *
+   * @example
+   *
+   * date | translocoDate: {} : en-US // 9/10/2019
+   * date | translocoDate: { dateStyle: 'medium', timeStyle: 'medium' } : en-US // Sep 10, 2019, 10:46:12 PM
+   * date | translocoDate: { timeZone: 'UTC', timeStyle: 'full' } : en-US // 7:40:32 PM Coordinated Universal Time
+   * 1 | translocoDate: { dateStyle: 'medium' } // Jan 1, 1970
+   * '2019-02-08' | translocoDate: { dateStyle: 'medium' } // Feb 8, 2019
+   */
+  protected override doTransform(date: ValidDate, options: DateFormatOptions = {}, locale?: Locale) {
+    if (isNil(date)) return '';
+    locale = this.getLocale(locale);
+
+    return this.localeService.localizeDate(date, locale, {
+      ...getDefaultOptions(locale, 'date', this.localeConfig),
+      ...options,
+    });
+  } 
+
+  protected override isSameValue(value?: ValidDate) {
+    return this.getComparableDate(this.lastValue) === this.getComparableDate(value);
+  }
+
+  private getComparableDate(value?: any) {
+    return isDate(value) ? value.getTime() : value;
+  }
+}