Created
March 9, 2021 15:37
-
-
Save derrickrc/ee6ba39e1869d4a1470dacf61ded676e to your computer and use it in GitHub Desktop.
Javascript Shopify currency helpers
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/** | |
* Currency Helpers | |
* ----------------------------------------------------------------------------- | |
* A collection of useful functions that help with currency formatting | |
* | |
* Current contents | |
* - formatMoney - Takes an amount in cents and returns it as a formatted dollar value. | |
* | |
*/ | |
const moneyFormat = '${{amount}}'; | |
/** | |
* Format money values based on your shop currency settings | |
* @param {Number|string} cents - value in cents or dollar amount e.g. 300 cents | |
* or 3.00 dollars | |
* @param {String} format - shop money_format setting | |
* @return {String} value - formatted value | |
*/ | |
export function formatMoney(cents, format) { | |
if (typeof cents === 'string') { | |
cents = cents.replace('.', ''); | |
} | |
let value = ''; | |
const placeholderRegex = /\{\{\s*(\w+)\s*\}\}/; | |
const formatString = format || moneyFormat; | |
function formatWithDelimiters( | |
number, | |
precision = 2, | |
thousands = ',', | |
decimal = '.' | |
) { | |
if (isNaN(number) || number == null) { | |
return 0; | |
} | |
number = (number / 100.0).toFixed(precision); | |
const parts = number.split('.'); | |
const dollarsAmount = parts[0].replace( | |
/(\d)(?=(\d\d\d)+(?!\d))/g, | |
`$1${thousands}` | |
); | |
const centsAmount = parts[1] ? decimal + parts[1] : ''; | |
return dollarsAmount + centsAmount; | |
} | |
switch (formatString.match(placeholderRegex)[1]) { | |
case 'amount': | |
value = formatWithDelimiters(cents, 2); | |
break; | |
case 'amount_no_decimals': | |
value = formatWithDelimiters(cents, 0); | |
break; | |
case 'amount_with_comma_separator': | |
value = formatWithDelimiters(cents, 2, '.', ','); | |
break; | |
case 'amount_no_decimals_with_comma_separator': | |
value = formatWithDelimiters(cents, 0, '.', ','); | |
break; | |
} | |
return formatString.replace(placeholderRegex, value); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment