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| var currencyValidator = { | |
| format: function (number) { | |
| return (Math.trunc(number * 1000000000000) / 1000000000000).toFixed(2) | |
| }, | |
| parse: function (newString, oldNumber) { | |
| var CleanParse = function (value) { | |
| return { value: value } | |
| } | |
| var CurrencyWarning = function (warning, value) { | |
| return { | |
| warning: warning, | |
| value: value, | |
| attempt: newString | |
| } | |
| } | |
| var NotAValidDollarAmountWarning = function (value) { | |
| return new CurrencyWarning(newString + ' is not a valid dollar amount', value) | |
| } | |
| var AutomaticConversionWarning = function (value) { | |
| return new CurrencyWarning(newString + ' was automatically converted to ' + value, value) | |
| } | |
| var newNumber = Number(newString) | |
| var indexOfDot = newString.indexOf('.') | |
| var indexOfE = newString.indexOf('e') | |
| if (isNaN(newNumber)) { | |
| if ( | |
| indexOfDot === -1 && | |
| indexOfE > 0 && | |
| indexOfE === newString.length - 1 && | |
| Number(newString.slice(0, indexOfE)) !== 0 | |
| ) { | |
| return new CleanParse(oldNumber) | |
| } else { | |
| return new NotAValidDollarAmountWarning(oldNumber) | |
| } | |
| } | |
| var newCurrencyString = currencyValidator.format(newNumber) | |
| var newCurrencyNumber = Number(newCurrencyString) | |
| if (newCurrencyNumber === newNumber) { | |
| if (indexOfE !== -1 && indexOfE === newString.length - 2) { | |
| return new AutomaticConversionWarning(newNumber) | |
| } else { | |
| return new CleanParse(newNumber) | |
| } | |
| } else { | |
| return new NotAValidDollarAmountWarning( | |
| newNumber > newCurrencyNumber | |
| ? newCurrencyNumber | |
| : oldNumber | |
| ) | |
| } | |
| } | |
| } |
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