74 lines
2.0 KiB
TypeScript
74 lines
2.0 KiB
TypeScript
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// Modified version of internal Typescript intl.d.ts.
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// TODO(piloopin): remove when https://github.com/Microsoft/TypeScript/issues/3521 is shipped.
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declare module Intl {
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interface NumberFormatOptions {
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localeMatcher?: string;
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style?: string;
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currency?: string;
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currencyDisplay?: string;
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useGrouping?: boolean;
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}
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interface NumberFormat {
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format(value: number): string;
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}
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var NumberFormat: {
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new (locale?: string, options?: NumberFormatOptions): NumberFormat;
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}
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interface DateTimeFormatOptions {
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localeMatcher?: string;
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weekday?: string;
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era?: string;
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year?: string;
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month?: string;
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day?: string;
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hour?: string;
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minute?: string;
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second?: string;
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timeZoneName?: string;
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formatMatcher?: string;
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hour12?: boolean;
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}
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interface DateTimeFormat {
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format(date?: Date | number): string;
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}
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var DateTimeFormat: {
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new (locale?: string, options?: DateTimeFormatOptions): DateTimeFormat;
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}
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}
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export enum NumberFormatStyle {
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DECIMAL,
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PERCENT,
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CURRENCY
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}
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export class NumberFormatter {
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static format(number: number, locale: string, style: NumberFormatStyle,
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{minimumIntegerDigits = 1, minimumFractionDigits = 0, maximumFractionDigits = 3,
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currency, currencyAsSymbol = false}: {
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minimumIntegerDigits?: int,
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minimumFractionDigits?: int,
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maximumFractionDigits?: int,
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currency?: string,
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currencyAsSymbol?: boolean
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} = {}): string {
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var intlOptions: Intl.NumberFormatOptions = {
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minimumIntegerDigits: minimumIntegerDigits,
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minimumFractionDigits: minimumFractionDigits,
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maximumFractionDigits: maximumFractionDigits
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};
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intlOptions.style = NumberFormatStyle[style].toLowerCase();
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if (style == NumberFormatStyle.CURRENCY) {
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intlOptions.currency = currency;
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intlOptions.currencyDisplay = currencyAsSymbol ? 'symbol' : 'code';
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}
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return new Intl.NumberFormat(locale, intlOptions).format(number);
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}
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}
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