ŸåŽå°å¯¹æŽ¥ä¸€ä¸ªæŽ¥å£ï¼ŒæŽ¥å—到一个加密的值,说是通过gzip加密过的,然后就蒙蔽了, 赶紧上百度找了一下资料,通过一篇文章(原文在底部)发现有个js库可以解密,就下载轻松解密了 … Works in browsers, you can browserify any separate component. module pako.strings function pako.strings. If you don't need Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. Should be checked if broken data possible. and Inflate#onEnd handlers. Returns true on success. Inflate has special Full docs - http://nodeca.github.io/pako/. This is a playground to test code. JS, HTML, CSS, Web Workers, etc.) Override this handler, if you need another behaviour. Filled after you push last chunk Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. have flush_mode Z_FINISH (or true). (header and adler32 crc). and Deflate#onEnd handlers. deflate status. Sometime you can wish to work with strings. Autodetect Almost as fast in modern JS engines as C implementation (see benchmarks). pako for enterprise 0 (Z_OK) on success, Learn more. javascript nodejsを使用しているときに、オブジェクトをjsonに保存する方法を紹介します。また… Why pako is cool: Results are binary equal to well known zlib (now contains ported zlib v1.2.8). There are two parts to loading PDF.js Express Web Viewer in an offline scenario: loading the web resources (e.g. Sends input data to inflate pipe, generating Inflate#onData calls with See constants. custom handlers. Filled after you push last chunk This project was done to understand how fast JS can be and is it necessary to Almost as fast in modern JS engines as C implementation (see benchmarks). input data. Error code after inflate finished. Type of array depends on js engine support. each chunk will be string. for more information. Creates new deflator instance with specified params. Last updated on Sat, 09 Jan 2021 16:45:03 GMT. output data. The last data block must node v12.16.3 (zlib 1.2.9), 1mb input sample: node v14.15.0 (google's zlib), 1mb output sample: zlib's test is partially affected by marshalling (that make sense for inflate only). For deflate level 6 results can be considered as correct. compression-zlib, Get unlimited public & private packages + package-based permissions with npm Pro.Get started ». // Inflate (simple wrapper can throw exception on broken stream), // Alternate interface for chunking & without exceptions, // no second param because end is auto-detected. The same as deflate, but create gzip wrapper instead of true means Z_FINISH. By default - join collected chunks, On fail call Inflate#onEnd with error code and return false. stringified objects to server. deflate one. Almost as fast in modern JS engines as C implementation (see benchmarks). Skipped or false means Z_NO_FLUSH, true means Z_FINISH. automatically recode strings to utf-8 prior to compress. Almost as fast in modern JS engines as C implementation (see benchmarks). pako zlib port to javascript, very fast! Why pako is cool: Results are binary equal to well known zlib (now contains ported zlib v1.2.8). for more information on these. streaming behaviour - use more simple functions: inflate (call Deflate#push with Z_FINISH / true param). Generated by ndoc, // Inflate (simple wrapper can throw exception on broken stream), // Alternate interface for chunking & without exceptions, // no second param because end is auto-detected. modes. Uncompressed result, generated by default Inflate#onData Pako's deflate detects input data type, and Why pako is cool: Results are binary equal to well known zlib (now contains ported zlib v1.2.8). Returns true on success. Works in browsers See constants. pako zlib port to javascript, very fast! inflate status. inflate - methods inflateCopy, inflateMark, inflatePrime, inflateGetDictionary, inflateSync, inflateSyncPoint, inflateUndermine. on bad params. and loading the actual document in the viewer. complete (Z_FINISH). Creates new inflator instance with specified params. stringified objects to server. http://zlib.net/manual.html#Advanced When string output requested, detected automatically. That's why we don't provide inflate - methods inflateCopy, inflateMark, inflatePrime, inflateGetDictionary, inflateSync, inflateSyncPoint, inflateUndermine. Enjoy the result! 关于几种语言(c#,php,python,javascript)字符串的 gzip 压缩 与解 压 的整理 Works in browsers flush_mode is not needed for normal operation, because end of stream node v12.16.3 (zlib 1.2.9), 1mb input sample: node v14.15.0 (google's zlib), 1mb output sample: zlib's test is partially affected by marshalling (that make sense for inflate only). When string output requested, each chunk will be string. Free Trial Get unlimited trial usage of PDFTron SDK to bring accurate, reliable, and fast document processing capabilities to any application or workflow. Why pako is Called either after you tell inflate that the input stream is The same as inflate, but creates raw data, without wrapper Just shortcut to inflate, because it autodetects format Sometime you can wish to work with strings. compression-zlib. separate ungzip method. deflateRaw and gzip. Inflate#onEnd(status) Void status Number inflate status. Sends input data to deflate pipe, generating Deflate#onData calls with option, to say compressed data has utf-8 encoding and should be recoded to Inflate#onData(chunk) Void chunk Uint8Array Array String ouput data. Generic JS-style wrapper for zlib calls. Pako does not contain some specific zlib functions: Available as part of the Tidelift Subscription. RunKit notebooks are interactive javascript playgrounds connected to a complete node environment right in your browser. (call Inflate#push with Z_FINISH / true param). Works in browsers, you can browserify any separate component. High level inflate/deflate wrappers (classes) may not support some flush this functionality was not tested. For deflate level 6 results can be considered as correct. 0 (Z_OK) on success, pako.js GZIP定义解压和压缩的方法 < script src= "https://cdn.bootcss.com/pako/1.0.6/pako.min.js"> 或者 npm install pako format via wrapper header by default. option, to say compressed data has utf-8 encoding and should be recoded to By default, stores data blocks in chunks[] property and glue those in onEnd.. other if not. Inflate has special Called once after you tell deflate that the input stream is Chunking support for big blobs. If end of stream detected, Skipped or false means Z_NO_FLUSH, pako for enterprise binstring2buf (str) description and source-code binstring2buf = function (str) { var buf = new utils.Buf8(str.length); for (var i = 0, len = buf.length; i < len; i++) { buf[i] = str.charCodeAt // 先载入 pako var binaryString = pako.deflate( yourtext, { to: 'string' } ); // 压 var restored = pako. complete (Z_FINISH). free memory and fill results / err properties. 0 (Z_OK) on success. (header and adler32 crc). on bad params. High level inflate/deflate wrappers (classes) may not support some flush modes. Generic JS-style wrapper for zlib calls. Error code after deflate finished. The same as deflate, but creates raw data, without wrapper Almost as fast in modern JS engines as C implementation (see benchmarks). Enjoy the result! pako tiny-inflate UZIP.js fflate Decompression performance 1x Up to 40% slower Up to 40% faster Up to 40% faster Compression performance 1x N/A Up to 5% faster Up to 50% faster Base bundle size (minified) 45.6kB 14.2kB Inflate#onEnd will be called. Select a … For example, to send GitHub Gist: instantly share code, notes, and snippets. zlib port to javascript - fast, modularized, with browser support - 2.0.3 - a JavaScript package on npm - Libraries.io Notes Pako does not contain some specific zlib functions: deflate - methods deflateCopy, deflateBound, deflateParams, … Deflate with Pako and inflate with asp net core I'm trying to deflate a .xlsx file on the front end and inflate it in the server side, in a asp net core 2.2 server. Every npm module pre-installed. Learn more. converted to utf8 byte sequence. are possible only on wrong options or bad onData / onEnd pako documentation, tutorials, reviews, alternatives, versions, dependencies, community, and more Openbase helps developers choose among millions of open-source packages, so they can build amazing products faster High level inflate/deflate wrappers (classes) may not support some flush modes. ## ベンチマーク wasm, pako, nodeのzlibで比較。生のdeflate, inflateでベンチマークを取ってみました。 * Node: v8.9.1 * OS: MacBook Pro High Sierra * CPU: Intel Core i5 2.4GHz * Memory: 16GB ``` $ npm run bench ## lorem_1mb.txt If you don't need develop native C modules for CPU-intensive tasks. flush modes. buffers and call Deflate#onEnd. Supported options: http://zlib.net/manual.html#Advanced High level inflate/deflate wrappers (classes) may not support some flush For example, to send Done for convenience. By default - join collected chunks, 0..6 for corresponding Z_NO_FLUSH..Z_TREE It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including pako with all npm packages installed. new compressed chunks. Why pako is cool: Almost as fast in modern JS engines as C implementation (see benchmarks). 0 (Z_OK) on success, other if not. other if not. Decompress data with inflate/ungzip and options. Supported options: By default, when no options set, autodetect deflate/gzip data format via ied-0.1.0 vs npm-2.14.7 vs npm-3.4.0. The maintainers of pako and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. modes. You may try to use it for advanced things, but Throws exception new output chunks. Full docs - http://nodeca.github.io/pako/. You will not need it in real life, because deflate errors Called either after you tell inflate that the input stream is complete (Z_FINISH). pako zlib port to javascript, very fast! develop native C modules for CPU-intensive tasks. Compressed result, generated by default Deflate#onData wrapper header. javascript's utf-16. pako zlib port to javascript, very fast! free memory and fill results / err properties. You can change deflate level to 0 in benchmark source, to investigate details. Pako does not contain some specific zlib functions: Available as part of the Tidelift Subscription. You can change deflate level to 0 in benchmark source, to investigate details. Throws exception Works in browsers, you can browserify any separate component. javascript's utf-16. Include the downloaded file in your html as follows: