40 lines
2.4 KiB
JSON
40 lines
2.4 KiB
JSON
{
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"author": {
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"name": "Brian J. Brennan",
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"email": "brianloveswords@gmail.com",
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"url": "http://bjb.io"
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},
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"name": "buffer-crc32",
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"description": "A pure javascript CRC32 algorithm that plays nice with binary data",
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"version": "0.2.1",
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"contributors": [
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{
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"name": "Vladimir Kuznetsov"
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}
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],
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"homepage": "https://github.com/brianloveswords/buffer-crc32",
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"repository": {
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"type": "git",
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"url": "git://github.com/brianloveswords/buffer-crc32.git"
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},
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"main": "index.js",
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"scripts": {
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"test": "./node_modules/.bin/tap tests/*.test.js"
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},
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"dependencies": {},
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"devDependencies": {
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"tap": "~0.2.5"
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},
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"optionalDependencies": {},
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"engines": {
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"node": "*"
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},
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"readme": "# buffer-crc32\n\n[](http://travis-ci.org/brianloveswords/buffer-crc32)\n\ncrc32 that works with binary data and fancy character sets, outputs\nbuffer, signed or unsigned data and has tests.\n\nDerived from the sample CRC implementation in the PNG specification: http://www.w3.org/TR/PNG/#D-CRCAppendix\n\n# install\n```\nnpm install buffer-crc32\n```\n\n# example\n```js\nvar crc32 = require('buffer-crc32');\n// works with buffers\nvar buf = Buffer([0x00, 0x73, 0x75, 0x70, 0x20, 0x62, 0x72, 0x6f, 0x00])\ncrc32(buf) // -> <Buffer 94 5a ab 4a>\n\n// has convenience methods for getting signed or unsigned ints\ncrc32.signed(buf) // -> -1805997238\ncrc32.unsigned(buf) // -> 2488970058\n\n// will cast to buffer if given a string, so you can\n// directly use foreign characters safely\ncrc32('自動販売機') // -> <Buffer cb 03 1a c5>\n\n// and works in append mode too\nvar partialCrc = crc32('hey');\nvar partialCrc = crc32(' ', partialCrc);\nvar partialCrc = crc32('sup', partialCrc);\nvar partialCrc = crc32(' ', partialCrc);\nvar finalCrc = crc32('bros', partialCrc); // -> <Buffer 47 fa 55 70>\n```\n\n# tests\nThis was tested against the output of zlib's crc32 method. You can run\nthe tests with`npm test` (requires tap)\n\n# see also\nhttps://github.com/alexgorbatchev/node-crc, `crc.buffer.crc32` also\nsupports buffer inputs and return unsigned ints (thanks @tjholowaychuk).\n\n# license\nMIT/X11\n",
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"readmeFilename": "README.md",
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"_id": "buffer-crc32@0.2.1",
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"dist": {
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"shasum": "1481647097358eba59b54a3a1e57ea5531016e58"
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},
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"_from": "buffer-crc32@0.2.1",
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"_resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.1.tgz"
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}
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