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* chore: Switch to Node 20 + Vitest * chore: migrate to vitest mock functions * chore: code style (switch to prettier) * test: re-enable long-running test Seems the switch to Node 20 and Vitest has vastly improved the code's and / or the test's runtime! see #1193 * chore: code style * chore: fix failing tests * Updated Documentation in README.md * Update contribution guidelines to state usage of Prettier * fix: set prettier printWidth back to 80 * chore: apply updated code style automatically * fix: set prettier line endings to lf again * chore: apply updated code style automatically --------- Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com>
17 lines
543 B
JavaScript
17 lines
543 B
JavaScript
/**
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* @description - function that takes 10 digits and returns a string of the formatted phone number e.g.: 1234567890 -> (123) 456-7890
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* @param {string} phoneNumber
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* @returns {string} - Format to (XXX) XXX-XXXX pattern
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*/
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const formatPhoneNumber = (phoneNumber) => {
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if (phoneNumber.length !== 10 || isNaN(phoneNumber)) {
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// return "Invalid phone number."
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throw new TypeError('Invalid phone number!')
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}
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let index = 0
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return '(XXX) XXX-XXXX'.replace(/X/g, () => phoneNumber[index++])
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}
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export default formatPhoneNumber
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