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Commit 2bb4bf1

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crisbetothePunderWoman
crisbeto
authored and
thePunderWoman
committed
fix(common): titlecase pipe incorrectly handling numbers (#43476)
Fixes that the `titlecase` pipe wasn't picking up numbers which meant that cases like `1st` would be tranformed to `1St`. Fixes #43459. PR Close #43476
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‎packages/common/src/pipes/case_conversion_pipes.ts

Copy file name to clipboardExpand all lines: packages/common/src/pipes/case_conversion_pipes.ts
+4-4Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -42,16 +42,16 @@ export class LowerCasePipe implements PipeTransform {
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}
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//
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// Regex below matches any Unicode word and compatible with ES5. In ES2018 the same result
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// can be achieved by using /\p{L}\S*/gu and also known as Unicode Property Escapes
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// Regex below matches any Unicode word and number compatible with ES5. In ES2018 the same result
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// can be achieved by using /[0-9\p{L}]\S*/gu and also known as Unicode Property Escapes
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// (https://2ality.com/2017/07/regexp-unicode-property-escapes.html). Since there is no
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// transpilation of this functionality down to ES5 without external tool, the only solution is
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// to use already transpiled form. Example can be found here -
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// https://mothereff.in/regexpu#input=var+regex+%3D+/%5Cp%7BL%7D/u%3B&unicodePropertyEscape=1
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// https://mothereff.in/regexpu#input=var+regex+%3D+%2F%5B0-9%5Cp%7BL%7D%5D%5CS*%2Fgu%3B%0A%0A&unicodePropertyEscape=1
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//
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const unicodeWordMatch =
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/**
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* Transforms text to title case.

‎packages/common/test/pipes/case_conversion_pipes_spec.ts

Copy file name to clipboardExpand all lines: packages/common/test/pipes/case_conversion_pipes_spec.ts
+8Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -90,16 +90,24 @@ import {LowerCasePipe, TitleCasePipe, UpperCasePipe} from '@angular/common';
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expect(pipe.transform('éric')).toEqual('Éric');
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});
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it('should handle numbers at the beginning of words', () => {
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expect(pipe.transform('frodo was 1st and bilbo was 2nd'))
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.toEqual('Frodo Was 1st And Bilbo Was 2nd');
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expect(pipe.transform('1ST')).toEqual('1st');
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});
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it('should map null to null', () => {
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expect(pipe.transform(null)).toEqual(null);
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});
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it('should map undefined to null', () => {
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expect(pipe.transform(undefined)).toEqual(null);
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});
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it('should not support numbers', () => {
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expect(() => pipe.transform(0 as any)).toThrowError();
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});
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it('should not support other objects', () => {
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expect(() => pipe.transform({} as any)).toThrowError();
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});

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