22 lines
530 B
JavaScript
22 lines
530 B
JavaScript
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export function encode(buffer) {
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return buffer
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.toString('base64')
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.replace(/\+/g, '-') // Convert '+' to '-'
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.replace(/\//g, '_') // Convert '/' to '_'
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.replace(/=+$/, '') // Remove ending '='
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}
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export function decode(base64StringUrlSafe) {
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let base64String = base64StringUrlSafe.replace(/-/g, '+').replace(/_/g, '/')
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switch (base64String.length % 4) {
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case 2:
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base64String += '=='
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break
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case 3:
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base64String += '='
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break
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}
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return Buffer.from(base64String, 'base64')
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}
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