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refactor(common): extract argument assertion

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Deduplicates string argument validation logic across pipes
by introducing a local assertion helper

(cherry picked from commit 66e8385b6a)
This commit is contained in:
SkyZeroZx
2026-02-07 15:14:38 -05:00
committed by Andrew Kushnir
parent caab23dfe6
commit 6f5c233f1d
1 changed files with 10 additions and 10 deletions
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packages/common/src/pipes/case_conversion_pipes.ts
+10 -10
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@@ -6,7 +6,7 @@
* found in the LICENSE file at https://angular.dev/license
*/
import {Pipe, PipeTransform} from '@angular/core';
import {Pipe, PipeTransform, Type} from '@angular/core';
import {invalidPipeArgumentError} from './invalid_pipe_argument_error';
@@ -39,9 +39,7 @@ export class LowerCasePipe implements PipeTransform {
transform(value: string | null | undefined): string | null;
transform(value: string | null | undefined): string | null {
if (value == null) return null;
if (typeof value !== 'string') {
throw invalidPipeArgumentError(LowerCasePipe, value);
}
assertPipeArgument(LowerCasePipe, value);
return value.toLowerCase();
}
}
@@ -89,9 +87,7 @@ export class TitleCasePipe implements PipeTransform {
transform(value: string | null | undefined): string | null;
transform(value: string | null | undefined): string | null {
if (value == null) return null;
if (typeof value !== 'string') {
throw invalidPipeArgumentError(TitleCasePipe, value);
}
assertPipeArgument(TitleCasePipe, value);
return value.replace(
unicodeWordMatch,
@@ -121,9 +117,13 @@ export class UpperCasePipe implements PipeTransform {
transform(value: string | null | undefined): string | null;
transform(value: string | null | undefined): string | null {
if (value == null) return null;
if (typeof value !== 'string') {
throw invalidPipeArgumentError(UpperCasePipe, value);
}
assertPipeArgument(UpperCasePipe, value);
return value.toUpperCase();
}
}
function assertPipeArgument(pipe: Type<any>, value: Object): void {
if (typeof value !== 'string') {
throw invalidPipeArgumentError(pipe, value);
}
}