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Diffstat (limited to 'node_modules/uuid/dist/esm-node/stringify.js')
-rw-r--r-- | node_modules/uuid/dist/esm-node/stringify.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/uuid/dist/esm-node/stringify.js b/node_modules/uuid/dist/esm-node/stringify.js new file mode 100644 index 0000000..f9bca12 --- /dev/null +++ b/node_modules/uuid/dist/esm-node/stringify.js @@ -0,0 +1,29 @@ +import validate from './validate.js'; +/** + * 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; +} + +export default stringify;
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