@canutin/svelte-currency-input/dist/utils/padTrimValue.js

A fully-featured currency input component for Svelte 5 that handles formatting, localization, and validation

export const padTrimValue = (value, decimalSeparator, decimalScale) => {
    if (decimalScale === undefined ||
        decimalSeparator === '' ||
        decimalSeparator === undefined ||
        value === '' ||
        value === undefined) {
        return value;
    }
    if (!value.match(/\d/g)) {
        return '';
    }
    const [int, decimals] = value.split(decimalSeparator);
    if (decimalScale === 0) {
        return int;
    }
    let newValue = decimals || '';
    if (newValue.length < decimalScale) {
        while (newValue.length < decimalScale) {
            newValue += '0';
        }
    }
    else {
        newValue = newValue.slice(0, decimalScale);
    }
    return `${int}${decimalSeparator}${newValue}`;
};