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| author | littleblack111 <littleblack11111@gmail.com> | 2023-10-14 15:05:55 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-10-14 15:05:55 +0800 |
| commit | c06f7ee0a40255214c477e13d9b956a7e07c2900 (patch) | |
| tree | f5982a568ef8fab865d0142e71c7494fea3e4c1b /node_modules/nanoid/index.browser.js | |
| parent | 3fd9400d4dccc25aa29b5702216732e0b7542073 (diff) | |
postcss,(plugins): nanocss, postcss-preset-env
Diffstat (limited to 'node_modules/nanoid/index.browser.js')
| -rw-r--r-- | node_modules/nanoid/index.browser.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/node_modules/nanoid/index.browser.js b/node_modules/nanoid/index.browser.js new file mode 100644 index 00000000..8b3139b0 --- /dev/null +++ b/node_modules/nanoid/index.browser.js @@ -0,0 +1,34 @@ +import { urlAlphabet } from './url-alphabet/index.js' +let random = bytes => crypto.getRandomValues(new Uint8Array(bytes)) +let customRandom = (alphabet, defaultSize, getRandom) => { + let mask = (2 << (Math.log(alphabet.length - 1) / Math.LN2)) - 1 + let step = -~((1.6 * mask * defaultSize) / alphabet.length) + return (size = defaultSize) => { + let id = '' + while (true) { + let bytes = getRandom(step) + let j = step + while (j--) { + id += alphabet[bytes[j] & mask] || '' + if (id.length === size) return id + } + } + } +} +let customAlphabet = (alphabet, size = 21) => + customRandom(alphabet, size, random) +let nanoid = (size = 21) => + crypto.getRandomValues(new Uint8Array(size)).reduce((id, byte) => { + byte &= 63 + if (byte < 36) { + id += byte.toString(36) + } else if (byte < 62) { + id += (byte - 26).toString(36).toUpperCase() + } else if (byte > 62) { + id += '-' + } else { + id += '_' + } + return id + }, '') +export { nanoid, customAlphabet, customRandom, urlAlphabet, random } |
