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14 lines
455 B
TypeScript
14 lines
455 B
TypeScript
// Loaded from https://deno.land/x/cliffy@v0.12.1/packages/flags/lib/types/number.ts
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import { IFlagArgument, IFlagOptions, ITypeHandler } from '../types.ts';
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export const number: ITypeHandler<number> = ( option: IFlagOptions, arg: IFlagArgument, value: string ): number => {
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if ( isNaN( value as any ) ) {
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throw new Error( `Option --${ option.name } must be of type number but got: ${ value }` );
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}
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return parseFloat( value );
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};
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