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Commit Description:
add model solution
Commit Description:
add model solution
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node_modules/brotli/compress.js
| 43 lines
| 1.2 KiB
| application/javascript
| JavascriptLexer
|
| r789 | var brotli = require('./build/encode'); | |||
| /** | ||||
| * Compresses the given buffer | ||||
| * The second parameter is optional and specifies whether the buffer is | ||||
| * text or binary data (the default is binary). | ||||
| * Returns null on error | ||||
| */ | ||||
| module.exports = function(buffer, opts) { | ||||
| // default to binary data | ||||
| var quality = 11; | ||||
| var mode = 0; | ||||
| var lgwin = 22; | ||||
| if (typeof opts === 'boolean') { | ||||
| mode = opts ? 0 : 1; | ||||
| } else if (typeof opts === 'object') { | ||||
| quality = opts.quality || 11; | ||||
| mode = opts.mode || 0; | ||||
| lgwin = opts.lgwin || 22; | ||||
| } | ||||
| // allocate input buffer and copy data to it | ||||
| var buf = brotli._malloc(buffer.length); | ||||
| brotli.HEAPU8.set(buffer, buf); | ||||
| // allocate output buffer (same size + some padding to be sure it fits), and encode | ||||
| var outBuf = brotli._malloc(buffer.length + 1024); | ||||
| var encodedSize = brotli._encode(quality, lgwin, mode, buffer.length, buf, buffer.length, outBuf); | ||||
| var outBuffer = null; | ||||
| if (encodedSize !== -1) { | ||||
| // allocate and copy data to an output buffer | ||||
| outBuffer = new Uint8Array(encodedSize); | ||||
| outBuffer.set(brotli.HEAPU8.subarray(outBuf, outBuf + encodedSize)); | ||||
| } | ||||
| // free malloc'd buffers | ||||
| brotli._free(buf); | ||||
| brotli._free(outBuf); | ||||
| return outBuffer; | ||||
| }; | ||||