68 lines
1.5 KiB
Markdown
68 lines
1.5 KiB
Markdown
# hash-sum
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> blazing fast unique hash generator
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# install
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```shell
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npm i hash-sum -S
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```
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# features
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- no dependencies
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- minimal footprint
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- works in all of node.js, io.js, and the browser
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- hashes functions based on their source code
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- produces different hashes for different object types
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- support for circular references in objects
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- ignores property assignment order
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# `sum(value)`
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yields a four-byte hexadecimal hash based off of `value`.
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```
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# creates unique hashes
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creates unique hashes
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4d237d49 from: [ 0, 1, 2, 3 ]
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766ec173 from: { url: 12 }
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2f473108 from: { headers: 12 }
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23308836 from: { headers: 122 }
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062bce44 from: { headers: '122' }
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acb9f66e from: { headers: { accept: 'text/plain' } }
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1c365a2d from: { payload: [ 0, 1, 2, 3 ], headers: [ { a: 'b' } ] }
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7319ae9d from: { a: [Function] }
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8a3a0e86 from: { b: [Function] }
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b6d7f5d4 from: { b: [Function] }
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6c95fc65 from: function () {}
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2941766e from: function (a) {}
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294f8def from: function (b) {}
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2d9c0cb8 from: function (a) { return a;}
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ed5c63fc from: function (a) {return a;}
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bba68bf6 from: ''
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2d27667d from: 'null'
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774b96ed from: 'false'
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2d2a1684 from: 'true'
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8daa1a0c from: '0'
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8daa1a0a from: '1'
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e38f07cc from: 'void 0'
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6037ea1a from: 'undefined'
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9b7df12e from: null
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3c206f76 from: false
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01e34ba8 from: true
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1a96284a from: 0
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1a96284b from: 1
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29172c1a from: undefined
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4505230f from: {}
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3718c6e8 from: { a: {}, b: {} }
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5d844489 from: []
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938eaaf0 from: Tue Jul 14 2015 15:35:36 GMT-0300 (ART)
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dfe5fb2e from: global
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ok 1 should be equal
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```
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# license
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MIT
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