During my testing of an IntL money conversion in Jest, I encountered an issue with getting the correct conversion.
This is my test:
expect(new Intl.NumberFormat('pt-BR', { style: 'currency', currency: 'BRL' }).format(50.00)).toBe('R$ 50,00');
// Expected value to be:
// "R$ 50,00"
// Received:
// "R$ 50.00"This is my command:
jest --config test/unit/jest.conf.js
How can I properly configure the locale setting for Jest?
UPDATE: Node.js now includes full ICU support starting from version 13, as detailed in the official documentation.
Revised answer:
In order to enable internationalization (i18n) in Node.js for Jest testing, it is important to follow the instructions provided in the Node.js documentation. This involves setting the full-icu parameter.
npm install full-icu
NODE_ICU_DATA=node_modules/full-icu jest --config jest.conf.js
By following these steps, you can ensure that your tests are running accurately.
In Brazil, decimal numbers are separated using a comma sign , instead of a dot sign .. To see which countries use which decimal indicator, check out this world map:
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