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Diffstat (limited to 'node_modules/nanoid/async/index.native.js')
| -rw-r--r-- | node_modules/nanoid/async/index.native.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/node_modules/nanoid/async/index.native.js b/node_modules/nanoid/async/index.native.js new file mode 100644 index 0000000..5cb3d57 --- /dev/null +++ b/node_modules/nanoid/async/index.native.js @@ -0,0 +1,26 @@ +import { getRandomBytesAsync } from 'expo-random' +import { urlAlphabet } from '../url-alphabet/index.js' +let random = getRandomBytesAsync +let customAlphabet = (alphabet, defaultSize = 21) => { + let mask = (2 << (31 - Math.clz32((alphabet.length - 1) | 1))) - 1 + let step = Math.ceil((1.6 * mask * defaultSize) / alphabet.length) + let tick = (id, size = defaultSize) => + random(step).then(bytes => { + let i = step + while (i--) { + id += alphabet[bytes[i] & mask] || '' + if (id.length === size) return id + } + return tick(id, size) + }) + return size => tick('', size) +} +let nanoid = (size = 21) => + random(size).then(bytes => { + let id = '' + while (size--) { + id += urlAlphabet[bytes[size] & 63] + } + return id + }) +export { nanoid, customAlphabet, random } |
