Sha256: 4d5dc89ffda30bd5bb475a29ef49b8bd96bcdad501add76be9bbc8bc33b1a016

Contents?: true

Size: 1.55 KB

Versions: 5

Compression:

Stored size: 1.55 KB

Contents

const validate = require('./validate')

/**
 * Convert array of 16 byte values to UUID string format of the form:
 * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
 */
const byteToHex = []

for (let i = 0; i < 256; ++i) {
    byteToHex.push((i + 0x100).toString(16).substr(1))
}

function stringify(arr, offset = 0) {
    // Note: Be careful editing this code!  It's been tuned for performance
    // and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434
    const uuid = (
        byteToHex[arr[offset + 0]] +
        byteToHex[arr[offset + 1]] +
        byteToHex[arr[offset + 2]] +
        byteToHex[arr[offset + 3]] +
        '-' +
        byteToHex[arr[offset + 4]] +
        byteToHex[arr[offset + 5]] +
        '-' +
        byteToHex[arr[offset + 6]] +
        byteToHex[arr[offset + 7]] +
        '-' +
        byteToHex[arr[offset + 8]] +
        byteToHex[arr[offset + 9]] +
        '-' +
        byteToHex[arr[offset + 10]] +
        byteToHex[arr[offset + 11]] +
        byteToHex[arr[offset + 12]] +
        byteToHex[arr[offset + 13]] +
        byteToHex[arr[offset + 14]] +
        byteToHex[arr[offset + 15]]
    ).toLowerCase()

    // Consistency check for valid UUID.  If this throws, it's likely due to one
    // of the following:
    // - One or more input array values don't map to a hex octet (leading to
    // "undefined" in the uuid)
    // - Invalid input values for the RFC `version` or `variant` fields
    if (!validate(uuid)) {
        throw TypeError('Stringified UUID is invalid')
    }

    return uuid
}

module.exports = stringify

Version data entries

5 entries across 5 versions & 1 rubygems

Version Path
javonet-ruby-sdk-2.5.13 lib/javonet-ruby-sdk/Binaries/Nodejs/lib/utils/uuid/stringify.js
javonet-ruby-sdk-2.5.12 lib/javonet-ruby-sdk/Binaries/Nodejs/lib/utils/uuid/stringify.js
javonet-ruby-sdk-2.5.11 lib/javonet-ruby-sdk/Binaries/Nodejs/lib/utils/uuid/stringify.js
javonet-ruby-sdk-2.5.10 lib/javonet-ruby-sdk/Binaries/Nodejs/lib/utils/uuid/stringify.js
javonet-ruby-sdk-2.5.9 lib/javonet-ruby-sdk/Binaries/Nodejs/lib/utils/uuid/stringify.js