33 lines
1.0 KiB
JavaScript
33 lines
1.0 KiB
JavaScript
import {isNumber} from './types';
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/**
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* Takes a string, removes all formatting/cruft and returns the raw float value
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* @param {String} Formatted number
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* @param {String} Decimal type '.' or ','
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* @return {Number} Unformatted number
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*
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* https://github.com/openexchangerates/accounting.js/blob/master/accounting.js
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*/
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export const parse = (value, decimal = '.') => {
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// Return the value as-is if it's already a number
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if (isNumber(value)) {
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return value;
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}
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// Build regex to strip out everything except digits, decimal point and
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// minus sign
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let regex = new RegExp('[^0-9-' + decimal + ']', ['g']);
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let unformatted = parseFloat(
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('' + value)
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// replace bracketed values with negatives
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.replace(/\((.*)\)/, '-$1')
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// strip out any cruft
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.replace(regex, '')
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// make sure decimal point is standard
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.replace(decimal, '.')
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);
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// This will fail silently
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return !isNaN(unformatted) ? unformatted : 0;
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};
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