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feat(datePipe): support narrow forms for month and weekdays (#12297)

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Closes #12294
This commit is contained in:
Andrei Tserakhau
2016-10-19 20:05:13 +03:00
committed by Alex Rickabaugh
parent 97bc97153b
commit f77ab6a2d2
3 changed files with 34 additions and 24 deletions
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15
modules/@angular/facade/src/intl.ts
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@ -77,6 +77,7 @@ var DATE_FORMATS = {
MM: datePartGetterFactory(digitCondition('month', 2)),
M: datePartGetterFactory(digitCondition('month', 1)),
LLLL: datePartGetterFactory(nameCondition('month', 4)),
L: datePartGetterFactory(nameCondition('month', 1)),
dd: datePartGetterFactory(digitCondition('day', 2)),
d: datePartGetterFactory(digitCondition('day', 1)),
HH: digitModifier(
@ -161,13 +162,19 @@ function hour12Modify(
}
function digitCondition(prop: string, len: number): Intl.DateTimeFormatOptions {
var result: {[k: string]: string} = {};
result[prop] = len == 2 ? '2-digit' : 'numeric';
const result: {[k: string]: string} = {};
result[prop] = len === 2 ? '2-digit' : 'numeric';
return result;
}
function nameCondition(prop: string, len: number): Intl.DateTimeFormatOptions {
var result: {[k: string]: string} = {};
result[prop] = len < 4 ? 'short' : 'long';
const result: {[k: string]: string} = {};
if (len < 4) {
result[prop] = len > 1 ? 'short' : 'narrow';
} else {
result[prop] = 'long';
}
return result;
}