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authorlittleblack111 <littleblack11111@gmail.com>2026-05-18 23:10:59 +0800
committerlittleblack111 <littleblack11111@gmail.com>2026-05-18 23:41:44 +0800
commitfc87c009806dcc98867f6b58efe29b042aa01dee (patch)
tree8f59b3f4a5b66e9dfef2d40c8d318e258a521228 /node_modules/nanoid/index.js
parent3336b2356ee6152d9c6ae59bd9b87ccbc0958407 (diff)
node: updatemain
Diffstat (limited to 'node_modules/nanoid/index.js')
-rw-r--r--node_modules/nanoid/index.js45
1 files changed, 0 insertions, 45 deletions
diff --git a/node_modules/nanoid/index.js b/node_modules/nanoid/index.js
deleted file mode 100644
index 21e155fc..00000000
--- a/node_modules/nanoid/index.js
+++ /dev/null
@@ -1,45 +0,0 @@
-import crypto from 'crypto'
-import { urlAlphabet } from './url-alphabet/index.js'
-const POOL_SIZE_MULTIPLIER = 128
-let pool, poolOffset
-let fillPool = bytes => {
- if (!pool || pool.length < bytes) {
- pool = Buffer.allocUnsafe(bytes * POOL_SIZE_MULTIPLIER)
- crypto.randomFillSync(pool)
- poolOffset = 0
- } else if (poolOffset + bytes > pool.length) {
- crypto.randomFillSync(pool)
- poolOffset = 0
- }
- poolOffset += bytes
-}
-let random = bytes => {
- fillPool((bytes -= 0))
- return pool.subarray(poolOffset - bytes, poolOffset)
-}
-let customRandom = (alphabet, defaultSize, getRandom) => {
- let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1
- let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length)
- return (size = defaultSize) => {
- let id = ''
- while (true) {
- let bytes = getRandom(step)
- let i = step
- while (i--) {
- id += alphabet[bytes[i] & mask] || ''
- if (id.length === size) return id
- }
- }
- }
-}
-let customAlphabet = (alphabet, size = 21) =>
- customRandom(alphabet, size, random)
-let nanoid = (size = 21) => {
- fillPool((size -= 0))
- let id = ''
- for (let i = poolOffset - size; i < poolOffset; i++) {
- id += urlAlphabet[pool[i] & 63]
- }
- return id
-}
-export { nanoid, customAlphabet, customRandom, urlAlphabet, random }