@tldraw/utils/dist-esm/lib/hash.mjs.map

tldraw infinite canvas SDK (private utilities).

{
  "version": 3,
  "sources": ["../../src/lib/hash.ts"],
  "sourcesContent": ["/**\n * Hash a string using the FNV-1a algorithm.\n *\n * @public\n */\nexport function getHashForString(string: string) {\n\tlet hash = 0\n\tfor (let i = 0; i < string.length; i++) {\n\t\thash = (hash << 5) - hash + string.charCodeAt(i)\n\t\thash |= 0 // Convert to 32bit integer\n\t}\n\treturn hash + ''\n}\n\n/**\n * Hash a string using the FNV-1a algorithm.\n *\n * @public\n */\nexport function getHashForObject(obj: any) {\n\treturn getHashForString(JSON.stringify(obj))\n}\n\n/**\n * Hash an ArrayBuffer using the FNV-1a algorithm.\n *\n * @public\n */\nexport function getHashForBuffer(buffer: ArrayBuffer) {\n\tconst view = new DataView(buffer)\n\tlet hash = 0\n\tfor (let i = 0; i < view.byteLength; i++) {\n\t\thash = (hash << 5) - hash + view.getUint8(i)\n\t\thash |= 0 // Convert to 32bit integer\n\t}\n\treturn hash + ''\n}\n\n/** @public */\nexport function lns(str: string) {\n\tconst result = str.split('')\n\tresult.push(...result.splice(0, Math.round(result.length / 5)))\n\tresult.push(...result.splice(0, Math.round(result.length / 4)))\n\tresult.push(...result.splice(0, Math.round(result.length / 3)))\n\tresult.push(...result.splice(0, Math.round(result.length / 2)))\n\treturn result\n\t\t.reverse()\n\t\t.map((n) => (+n ? (+n < 5 ? 5 + +n : +n > 5 ? +n - 5 : n) : n))\n\t\t.join('')\n}\n"],
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