It's a utility of zlib, gzip and zip format binary data.
chrome, firefox, Edge, safari, opera.
@type {string | number[] | ArrayBuffer | Uint8Array | Int8Array | Uint8ClampedArray}
jz.common.readFileAsArrayBuffer(blob).then(buffer => {
// ...
});
"UTF-8")jz.common.bytesToString(bytes).then(str => {
// ...
});
let concated = jz.common.concatBytes([bytes1, bytes2]);
// or
let concated = jz.common.concatBytes(bytes1, bytes2);
It loads files as Uint8Array.
jz.common.load(['foo.png', 'bar.jpg']).then(([foo, bar]) => {
// ...
});
// or
jz.common.load('foo.png', 'bar.jpg').then(([foo, bar]) => {
// ...
});
6, range is 0-9)0x8000)0x8000)6)false)0x8000)jz.stream.core.deflate({
buffer: buffer,
streamFn: chunk => {
// ...
},
shareMemory: false,
});
false)0x8000)6)0x8000)0x8000)6)false)0x8000)false)0x8000)6)0x8000)0x8000)6)false)0x8000)false)0x8000)6)0x8000)var files = [
{
name: 'foo',
dir: [
// folder
{ name: 'hello.txt', buffer: 'Hello World!' }, // string
{ name: 'bar.js', buffer: buffer }, // ArrayBuffer
{ name: 'hoge.mp3', url: 'audiodata/hoge.mp3' }, // xhr
],
},
];
jz.zip
.pack({
files: files,
level: 5,
})
.then(buffer => {
// buffer is Uint8Array
});
// You cat set compression level to each files.
var files = [
{ name: 'mimetype', buffer: 'application/epub+zip', level: 0 }, //string
{
name: 'META-INF',
dir: [
//folder
{ name: 'container.xml', buffer: buffer, level: 0 }, //ArrayBuffer
],
},
{ name: 'package.opf', url: 'package.opf', level: 6 },
{ name: 'foo.xhtml', url: 'foo.xhtml', level: 9 }, //xhr
];
jz.zip.pack({ files }).then(buffer => {
// ...
});
"UTF-8")0x8000)jz.zip
.unpack({
buffer: buffer,
encoding: 'Shift_JIS', // encoding of filenames
})
.then(reader => {
// reader is ZipArchiveReader. See below.
// get file names.
reader.getFileNames();
reader.readFileAsText(reader.getFileNames[0]).then(text => {
// ...
});
});
6)false)0x8000)jz.stream.zip
.pack({
files: files,
streamFn: chunk => {
// ...
},
})
.then(() => {
// no args
});
It gets filenames in the zip archive.
Low level zip archive writer.
false)0x8000)const writer = new jz.zip.ZipArchiveWriter({ shareMemory: true, chunkSize: 0xf000 });
writer
.on('data', chunk => {
// chunk is Uint8Array.
})
.on('end', () => {
// ...
})
.write('foo/bar/baz.txt', buffer)
.write('a.mp3', mp3Buff)
.writeEnd();
Write the file. Directories are created automatically.
6)writer.write('a/b/c/d/foo.txt', buffer, 7);
writer.writeDir('foo/');
// or
writer.writeDir('bar');
6)writer.writeDir('a/');
writer.writeDir('a/b/');
writer.writeDir('a/b/c/');
writer.writeFile('a/b/c/foo.txt', buffer, 7);
Write central directory headers and the end central dirctory header.
writer.writeEnd();
You can import modules from subdirectries.
import { deflate } from "jsziptools/core";
import * as zip from "jsziptools/zip";
deflate(...);
zip.pack(...).then();
FAQs
It's a utility of zlib, gzip and zip format binary data.
The npm package jsziptools receives a total of 0 weekly downloads. As such, jsziptools popularity was classified as not popular.
We found that jsziptools demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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