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@grafana/flamegraph

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Grafana flamegraph visualization component

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{"version":3,"file":"murmur3.mjs","sources":["../../../src/FlameGraph/murmur3.ts"],"sourcesContent":["// eslint-disable-next-line @typescript-eslint/ban-ts-comment\n// @ts-nocheck\n/* eslint-disable @typescript-eslint/restrict-plus-operands */\n/*\n\nCopyright (c) 2011 Gary Court\n\nPermission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the \"Software\"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n*/\n\n/* eslint-disable no-plusplus */\n/* eslint-disable prefer-const */\n/* eslint-disable no-bitwise */\n/* eslint-disable camelcase */\n\nexport default function murmurhash3_32_gc(key: string, seed = 0) {\n let remainder;\n let bytes;\n let h1;\n let h1b;\n let c1;\n let c2;\n let k1;\n let i;\n\n remainder = key.length & 3; // key.length % 4\n bytes = key.length - remainder;\n h1 = seed;\n c1 = 0xcc9e2d51;\n c2 = 0x1b873593;\n i = 0;\n\n while (i < bytes) {\n k1 =\n (key.charCodeAt(i) & 0xff) |\n ((key.charCodeAt(++i) & 0xff) << 8) |\n ((key.charCodeAt(++i) & 0xff) << 16) |\n ((key.charCodeAt(++i) & 0xff) << 24);\n ++i;\n\n k1 = ((k1 & 0xffff) * c1 + ((((k1 >>> 16) * c1) & 0xffff) << 16)) & 0xffffffff;\n k1 = (k1 << 15) | (k1 >>> 17);\n k1 = ((k1 & 0xffff) * c2 + ((((k1 >>> 16) * c2) & 0xffff) << 16)) & 0xffffffff;\n\n h1 ^= k1;\n h1 = (h1 << 13) | (h1 >>> 19);\n h1b = ((h1 & 0xffff) * 5 + ((((h1 >>> 16) * 5) & 0xffff) << 16)) & 0xffffffff;\n h1 = (h1b & 0xffff) + 0x6b64 + ((((h1b >>> 16) + 0xe654) & 0xffff) << 16);\n }\n\n k1 = 0;\n\n switch (remainder) {\n case 3:\n k1 ^= (key.charCodeAt(i + 2) & 0xff) << 16;\n // fall through\n case 2:\n k1 ^= (key.charCodeAt(i + 1) & 0xff) << 8;\n // fall through\n case 1:\n k1 ^= key.charCodeAt(i) & 0xff;\n // fall through\n default:\n k1 = ((k1 & 0xffff) * c1 + ((((k1 >>> 16) * c1) & 0xffff) << 16)) & 0xffffffff;\n k1 = (k1 << 15) | (k1 >>> 17);\n k1 = ((k1 & 0xffff) * c2 + ((((k1 >>> 16) * c2) & 0xffff) << 16)) & 0xffffffff;\n h1 ^= k1;\n }\n\n h1 ^= key.length;\n\n h1 ^= h1 >>> 16;\n h1 = ((h1 & 0xffff) * 0x85ebca6b + ((((h1 >>> 16) * 0x85ebca6b) & 0xffff) << 16)) & 0xffffffff;\n h1 ^= h1 >>> 13;\n h1 = ((h1 & 0xffff) * 0xc2b2ae35 + ((((h1 >>> 16) * 0xc2b2ae35) & 0xffff) << 16)) & 0xffffffff;\n h1 ^= h1 >>> 16;\n\n return h1 >>> 0;\n}\n"],"names":[],"mappings":"AAoBwB,SAAA,iBAAA,CAAkB,GAAa,EAAA,IAAA,GAAO,CAAG,EAAA;AAC/D,EAAI,IAAA,SAAA;AACJ,EAAI,IAAA,KAAA;AACJ,EAAI,IAAA,EAAA;AACJ,EAAI,IAAA,GAAA;AACJ,EAAI,IAAA,EAAA;AACJ,EAAI,IAAA,EAAA;AACJ,EAAI,IAAA,EAAA;AACJ,EAAI,IAAA,CAAA;AAEJ,EAAA,SAAA,GAAY,IAAI,MAAS,GAAA,CAAA;AACzB,EAAA,KAAA,GAAQ,IAAI,MAAS,GAAA,SAAA;AACrB,EAAK,EAAA,GAAA,IAAA;AACL,EAAK,EAAA,GAAA,UAAA;AACL,EAAK,EAAA,GAAA,SAAA;AACL,EAAI,CAAA,GAAA,CAAA;AAEJ,EAAA,OAAO,IAAI,KAAO,EAAA;AAChB,IACG,EAAA,GAAA,GAAA,CAAI,UAAW,CAAA,CAAC,CAAI,GAAA,GAAA,GAAA,CACnB,IAAI,UAAW,CAAA,EAAE,CAAC,CAAA,GAAI,GAAS,KAAA,CAAA,GAAA,CAC/B,IAAI,UAAW,CAAA,EAAE,CAAC,CAAA,GAAI,GAAS,KAAA,EAAA,GAAA,CAC/B,IAAI,UAAW,CAAA,EAAE,CAAC,CAAA,GAAI,GAAS,KAAA,EAAA;AACnC,IAAE,EAAA,CAAA;AAEF,IAAA,EAAA,GAAA,CAAO,KAAK,KAAU,IAAA,EAAA,IAAA,CAAA,CAAS,OAAO,EAAM,IAAA,EAAA,GAAM,UAAW,EAAO,CAAA,GAAA,UAAA;AACpE,IAAM,EAAA,GAAA,EAAA,IAAM,KAAO,EAAO,KAAA,EAAA;AAC1B,IAAA,EAAA,GAAA,CAAO,KAAK,KAAU,IAAA,EAAA,IAAA,CAAA,CAAS,OAAO,EAAM,IAAA,EAAA,GAAM,UAAW,EAAO,CAAA,GAAA,UAAA;AAEpE,IAAM,EAAA,IAAA,EAAA;AACN,IAAM,EAAA,GAAA,EAAA,IAAM,KAAO,EAAO,KAAA,EAAA;AAC1B,IAAA,GAAA,GAAA,CAAQ,KAAK,KAAU,IAAA,CAAA,IAAA,CAAA,CAAQ,OAAO,EAAM,IAAA,CAAA,GAAK,UAAW,EAAO,CAAA,GAAA,UAAA;AACnE,IAAA,EAAA,GAAA,CAAM,MAAM,KAAU,IAAA,KAAA,IAAA,CAAA,CAAa,GAAQ,KAAA,EAAA,IAAM,QAAU,KAAW,KAAA,EAAA,CAAA;AAAA;AAGxE,EAAK,EAAA,GAAA,CAAA;AAEL,EAAA,QAAQ,SAAW;AAAA,IACjB,KAAK,CAAA;AACH,MAAA,EAAA,IAAA,CAAO,GAAI,CAAA,UAAA,CAAW,CAAI,GAAA,CAAC,IAAI,GAAS,KAAA,EAAA;AAAA;AAAA,IAE1C,KAAK,CAAA;AACH,MAAA,EAAA,IAAA,CAAO,GAAI,CAAA,UAAA,CAAW,CAAI,GAAA,CAAC,IAAI,GAAS,KAAA,CAAA;AAAA;AAAA,IAE1C,KAAK,CAAA;AACH,MAAM,EAAA,IAAA,GAAA,CAAI,UAAW,CAAA,CAAC,CAAI,GAAA,GAAA;AAAA;AAAA,IAE5B;AACE,MAAA,EAAA,GAAA,CAAO,KAAK,KAAU,IAAA,EAAA,IAAA,CAAA,CAAS,OAAO,EAAM,IAAA,EAAA,GAAM,UAAW,EAAO,CAAA,GAAA,UAAA;AACpE,MAAM,EAAA,GAAA,EAAA,IAAM,KAAO,EAAO,KAAA,EAAA;AAC1B,MAAA,EAAA,GAAA,CAAO,KAAK,KAAU,IAAA,EAAA,IAAA,CAAA,CAAS,OAAO,EAAM,IAAA,EAAA,GAAM,UAAW,EAAO,CAAA,GAAA,UAAA;AACpE,MAAM,EAAA,IAAA,EAAA;AAAA;AAGV,EAAA,EAAA,IAAM,GAAI,CAAA,MAAA;AAEV,EAAA,EAAA,IAAM,EAAO,KAAA,EAAA;AACb,EAAA,EAAA,GAAA,CAAO,KAAK,KAAU,IAAA,UAAA,IAAA,CAAA,CAAiB,OAAO,EAAM,IAAA,UAAA,GAAc,UAAW,EAAO,CAAA,GAAA,UAAA;AACpF,EAAA,EAAA,IAAM,EAAO,KAAA,EAAA;AACb,EAAA,EAAA,GAAA,CAAO,KAAK,KAAU,IAAA,UAAA,IAAA,CAAA,CAAiB,OAAO,EAAM,IAAA,UAAA,GAAc,UAAW,EAAO,CAAA,GAAA,UAAA;AACpF,EAAA,EAAA,IAAM,EAAO,KAAA,EAAA;AAEb,EAAA,OAAO,EAAO,KAAA,CAAA;AAChB;;;;"}