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57 lines
2.9 KiB
Markdown
57 lines
2.9 KiB
Markdown
# browser-unpack
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parse a bundle generated by
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[browser-pack](https://npmjs.org/package/browser-pack)
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[](http://travis-ci.org/browserify/browser-unpack)
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# example
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```
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$ node main.js
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129.50502147699586
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$ browserify main.js > bundle.js
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$ browser-unpack < bundle.js
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[
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{"id":"/home/substack/projects/browser-unpack/example/foo.js","source":"module.exports = function (n) { return n * 111 }\n\n","deps":{}}
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,
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{"id":"/home/substack/projects/browser-unpack/example/main.js","source":"var foo = require('./foo.js');\nvar gamma = require('gamma');\n\nconsole.log(foo(gamma(2.3)));","deps":{"./foo.js":"/home/substack/projects/browser-unpack/example/foo.js","gamma":"/home/substack/projects/browser-unpack/node_modules/gamma/index.js"},"entry":true}
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,
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{"id":"/home/substack/projects/browser-unpack/node_modules/gamma/index.js","source":"var g = 7;\nvar p = [\n 0.99999999999980993,\n 676.5203681218851,\n -1259.1392167224028,\n 771.32342877765313,\n -176.61502916214059,\n 12.507343278686905,\n -0.13857109526572012,\n 9.9843695780195716e-6,\n 1.5056327351493116e-7\n];\n\nvar g_ln = 607/128;\nvar p_ln = [\n 0.99999999999999709182,\n 57.156235665862923517,\n -59.597960355475491248,\n 14.136097974741747174,\n -0.49191381609762019978,\n 0.33994649984811888699e-4,\n 0.46523628927048575665e-4,\n -0.98374475304879564677e-4,\n 0.15808870322491248884e-3,\n -0.21026444172410488319e-3,\n 0.21743961811521264320e-3,\n -0.16431810653676389022e-3,\n 0.84418223983852743293e-4,\n -0.26190838401581408670e-4,\n 0.36899182659531622704e-5\n];\n\n// Spouge approximation (suitable for large arguments)\nfunction lngamma(z) {\n\n if(z < 0) return Number('0/0');\n var x = p_ln[0];\n for(var i = p_ln.length - 1; i > 0; --i) x += p_ln[i] / (z + i);\n var t = z + g_ln + 0.5;\n return .5*Math.log(2*Math.PI)+(z+.5)*Math.log(t)-t+Math.log(x)-Math.log(z);\n}\n\nmodule.exports = function gamma (z) {\n if (z < 0.5) {\n return Math.PI / (Math.sin(Math.PI * z) * gamma(1 - z));\n }\n else if(z > 100) return Math.exp(lngamma(z));\n else {\n z -= 1;\n var x = p[0];\n for (var i = 1; i < g + 2; i++) {\n x += p[i] / (z + i);\n }\n var t = z + g + 0.5;\n\n return Math.sqrt(2 * Math.PI)\n * Math.pow(t, z + 0.5)\n * Math.exp(-t)\n * x\n ;\n }\n};\n\nmodule.exports.log = lngamma;","deps":{}}
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]
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$ browser-unpack < bundle.js | browser-pack | node
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129.50502147699586
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```
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# usage
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```
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usage: browser-unpack
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Write a browser bundle to STDIN.
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Outputs a JSON array in the module-deps format.
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```
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# methods
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``` js
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var unpack = require('browser-unpack')
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```
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## var rows = unpack(src)
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Return an array of `rows` from the bundle source string `src`.
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# install
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With [npm](https://npmjs.org) do:
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```
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npm install browser-unpack
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```
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# license
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MIT
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