| 1 | {"version":3,"file":"random.cjs","sources":["../random.js"],"sourcesContent":["\n/**\n * Isomorphic module for true random numbers / buffers / uuids.\n *\n * Attention: falls back to Math.random if the browser does not support crypto.\n *\n * @module random\n */\n\nimport * as math from './math.js'\nimport * as binary from './binary.js'\nimport { cryptoRandomBuffer } from './isomorphic.js'\n\nexport const rand = Math.random\n\nexport const uint32 = () => new Uint32Array(cryptoRandomBuffer(4))[0]\n\nexport const uint53 = () => {\n const arr = new Uint32Array(cryptoRandomBuffer(8))\n return (arr[0] & binary.BITS21) * (binary.BITS32 + 1) + (arr[1] >>> 0)\n}\n\n/**\n * @template T\n * @param {Array<T>} arr\n * @return {T}\n */\nexport const oneOf = arr => arr[math.floor(rand() * arr.length)]\n\n// @ts-ignore\nconst uuidv4Template = [1e7] + -1e3 + -4e3 + -8e3 + -1e11\nexport const uuidv4 = () => uuidv4Template.replace(/[018]/g, /** @param {number} c */ c =>\n (c ^ uint32() & 15 >> c / 4).toString(16)\n)\n"],"names":["cryptoRandomBuffer","binary.BITS21","binary.BITS32","math.floor"],"mappings":";;;;;;;;AAaY,MAAC,IAAI,GAAG,IAAI,CAAC,OAAM;AAC/B;AACY,MAAC,MAAM,GAAG,MAAM,IAAI,WAAW,CAACA,gCAAkB,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,EAAC;AACrE;AACY,MAAC,MAAM,GAAG,MAAM;AAC5B,EAAE,MAAM,GAAG,GAAG,IAAI,WAAW,CAACA,gCAAkB,CAAC,CAAC,CAAC,EAAC;AACpD,EAAE,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,GAAGC,aAAa,KAAKC,aAAa,GAAG,CAAC,CAAC,IAAI,GAAG,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC;AACxE,EAAC;AACD;AACA;AACA;AACA;AACA;AACA;AACY,MAAC,KAAK,GAAG,GAAG,IAAI,GAAG,CAACC,UAAU,CAAC,IAAI,EAAE,GAAG,GAAG,CAAC,MAAM,CAAC,EAAC;AAChE;AACA;AACA,MAAM,cAAc,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,GAAG,CAAC,GAAG,GAAG,CAAC,GAAG,GAAG,CAAC,KAAI;AAC7C,MAAC,MAAM,GAAG,MAAM,cAAc,CAAC,OAAO,CAAC,QAAQ,2BAA2B,CAAC;AACvF,EAAE,CAAC,CAAC,GAAG,MAAM,EAAE,GAAG,EAAE,IAAI,CAAC,GAAG,CAAC,EAAE,QAAQ,CAAC,EAAE,CAAC;AAC3C;;;;;;;;"} |