converter/src/app/converter/bin-to-dec-converter.ts

20 lines
463 B
TypeScript

import {Converter} from './converter';
export class BinToDecConverter implements Converter {
getDisplayname(): string {
return 'Convert binary to decimal';
}
getId(): string {
return 'bintodec';
}
convert(input: string): string {
const n: number = parseInt(input, 2);
if (isNaN(n) || !input.trim().match(/^([01]+)$/)) {
throw new Error('The input seems not to be a valid binary number.');
}
return n.toString(10);
}
}