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node_modules/nanoid/async/index.cjs

@@ -0,0 +1,35 @@
+let crypto = require('crypto')
+let { urlAlphabet } = require('../url-alphabet/index.cjs')
+let random = bytes =>
+  new Promise((resolve, reject) => {
+    crypto.randomFill(Buffer.allocUnsafe(bytes), (err, buf) => {
+      if (err) {
+        reject(err)
+      } else {
+        resolve(buf)
+      }
+    })
+  })
+let customAlphabet = (alphabet, size) => {
+  let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1
+  let step = Math.ceil((1.6 * mask * size) / alphabet.length)
+  let tick = id =>
+    random(step).then(bytes => {
+      let i = step
+      while (i--) {
+        id += alphabet[bytes[i] & mask] || ''
+        if (id.length === size) return id
+      }
+      return tick(id)
+    })
+  return () => tick('')
+}
+let nanoid = (size = 21) =>
+  random(size).then(bytes => {
+    let id = ''
+    while (size--) {
+      id += urlAlphabet[bytes[size] & 63]
+    }
+    return id
+  })
+module.exports = { nanoid, customAlphabet, random }