diff options
author | Nevena Bojovic <nenabojov@gmail.com> | 2022-03-01 22:05:25 +0100 |
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committer | Nevena Bojovic <nenabojov@gmail.com> | 2022-03-01 22:05:25 +0100 |
commit | 6555fb80fdd8f6a5d201efadec3189d1244830a0 (patch) | |
tree | c1aa1c5aedc634ad1ea7fad4847884d559b51290 /sandbox/testAppNevena/Front/node_modules/minizlib/index.js | |
parent | 7d3640f824f46490b47bd95f1c5a16644f712068 (diff) |
Izbrisala bin, obj i node-modules.
Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/minizlib/index.js')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/minizlib/index.js | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/minizlib/index.js b/sandbox/testAppNevena/Front/node_modules/minizlib/index.js deleted file mode 100644 index fbaf69e1..00000000 --- a/sandbox/testAppNevena/Front/node_modules/minizlib/index.js +++ /dev/null @@ -1,348 +0,0 @@ -'use strict' - -const assert = require('assert') -const Buffer = require('buffer').Buffer -const realZlib = require('zlib') - -const constants = exports.constants = require('./constants.js') -const Minipass = require('minipass') - -const OriginalBufferConcat = Buffer.concat - -const _superWrite = Symbol('_superWrite') -class ZlibError extends Error { - constructor (err) { - super('zlib: ' + err.message) - this.code = err.code - this.errno = err.errno - /* istanbul ignore if */ - if (!this.code) - this.code = 'ZLIB_ERROR' - - this.message = 'zlib: ' + err.message - Error.captureStackTrace(this, this.constructor) - } - - get name () { - return 'ZlibError' - } -} - -// the Zlib class they all inherit from -// This thing manages the queue of requests, and returns -// true or false if there is anything in the queue when -// you call the .write() method. -const _opts = Symbol('opts') -const _flushFlag = Symbol('flushFlag') -const _finishFlushFlag = Symbol('finishFlushFlag') -const _fullFlushFlag = Symbol('fullFlushFlag') -const _handle = Symbol('handle') -const _onError = Symbol('onError') -const _sawError = Symbol('sawError') -const _level = Symbol('level') -const _strategy = Symbol('strategy') -const _ended = Symbol('ended') -const _defaultFullFlush = Symbol('_defaultFullFlush') - -class ZlibBase extends Minipass { - constructor (opts, mode) { - if (!opts || typeof opts !== 'object') - throw new TypeError('invalid options for ZlibBase constructor') - - super(opts) - this[_sawError] = false - this[_ended] = false - this[_opts] = opts - - this[_flushFlag] = opts.flush - this[_finishFlushFlag] = opts.finishFlush - // this will throw if any options are invalid for the class selected - try { - this[_handle] = new realZlib[mode](opts) - } catch (er) { - // make sure that all errors get decorated properly - throw new ZlibError(er) - } - - this[_onError] = (err) => { - // no sense raising multiple errors, since we abort on the first one. - if (this[_sawError]) - return - - this[_sawError] = true - - // there is no way to cleanly recover. - // continuing only obscures problems. - this.close() - this.emit('error', err) - } - - this[_handle].on('error', er => this[_onError](new ZlibError(er))) - this.once('end', () => this.close) - } - - close () { - if (this[_handle]) { - this[_handle].close() - this[_handle] = null - this.emit('close') - } - } - - reset () { - if (!this[_sawError]) { - assert(this[_handle], 'zlib binding closed') - return this[_handle].reset() - } - } - - flush (flushFlag) { - if (this.ended) - return - - if (typeof flushFlag !== 'number') - flushFlag = this[_fullFlushFlag] - this.write(Object.assign(Buffer.alloc(0), { [_flushFlag]: flushFlag })) - } - - end (chunk, encoding, cb) { - if (chunk) - this.write(chunk, encoding) - this.flush(this[_finishFlushFlag]) - this[_ended] = true - return super.end(null, null, cb) - } - - get ended () { - return this[_ended] - } - - write (chunk, encoding, cb) { - // process the chunk using the sync process - // then super.write() all the outputted chunks - if (typeof encoding === 'function') - cb = encoding, encoding = 'utf8' - - if (typeof chunk === 'string') - chunk = Buffer.from(chunk, encoding) - - if (this[_sawError]) - return - assert(this[_handle], 'zlib binding closed') - - // _processChunk tries to .close() the native handle after it's done, so we - // intercept that by temporarily making it a no-op. - const nativeHandle = this[_handle]._handle - const originalNativeClose = nativeHandle.close - nativeHandle.close = () => {} - const originalClose = this[_handle].close - this[_handle].close = () => {} - // It also calls `Buffer.concat()` at the end, which may be convenient - // for some, but which we are not interested in as it slows us down. - Buffer.concat = (args) => args - let result - try { - const flushFlag = typeof chunk[_flushFlag] === 'number' - ? chunk[_flushFlag] : this[_flushFlag] - result = this[_handle]._processChunk(chunk, flushFlag) - // if we don't throw, reset it back how it was - Buffer.concat = OriginalBufferConcat - } catch (err) { - // or if we do, put Buffer.concat() back before we emit error - // Error events call into user code, which may call Buffer.concat() - Buffer.concat = OriginalBufferConcat - this[_onError](new ZlibError(err)) - } finally { - if (this[_handle]) { - // Core zlib resets `_handle` to null after attempting to close the - // native handle. Our no-op handler prevented actual closure, but we - // need to restore the `._handle` property. - this[_handle]._handle = nativeHandle - nativeHandle.close = originalNativeClose - this[_handle].close = originalClose - // `_processChunk()` adds an 'error' listener. If we don't remove it - // after each call, these handlers start piling up. - this[_handle].removeAllListeners('error') - // make sure OUR error listener is still attached tho - } - } - - if (this[_handle]) - this[_handle].on('error', er => this[_onError](new ZlibError(er))) - - let writeReturn - if (result) { - if (Array.isArray(result) && result.length > 0) { - // The first buffer is always `handle._outBuffer`, which would be - // re-used for later invocations; so, we always have to copy that one. - writeReturn = this[_superWrite](Buffer.from(result[0])) - for (let i = 1; i < result.length; i++) { - writeReturn = this[_superWrite](result[i]) - } - } else { - writeReturn = this[_superWrite](Buffer.from(result)) - } - } - - if (cb) - cb() - return writeReturn - } - - [_superWrite] (data) { - return super.write(data) - } -} - -class Zlib extends ZlibBase { - constructor (opts, mode) { - opts = opts || {} - - opts.flush = opts.flush || constants.Z_NO_FLUSH - opts.finishFlush = opts.finishFlush || constants.Z_FINISH - super(opts, mode) - - this[_fullFlushFlag] = constants.Z_FULL_FLUSH - this[_level] = opts.level - this[_strategy] = opts.strategy - } - - params (level, strategy) { - if (this[_sawError]) - return - - if (!this[_handle]) - throw new Error('cannot switch params when binding is closed') - - // no way to test this without also not supporting params at all - /* istanbul ignore if */ - if (!this[_handle].params) - throw new Error('not supported in this implementation') - - if (this[_level] !== level || this[_strategy] !== strategy) { - this.flush(constants.Z_SYNC_FLUSH) - assert(this[_handle], 'zlib binding closed') - // .params() calls .flush(), but the latter is always async in the - // core zlib. We override .flush() temporarily to intercept that and - // flush synchronously. - const origFlush = this[_handle].flush - this[_handle].flush = (flushFlag, cb) => { - this.flush(flushFlag) - cb() - } - try { - this[_handle].params(level, strategy) - } finally { - this[_handle].flush = origFlush - } - /* istanbul ignore else */ - if (this[_handle]) { - this[_level] = level - this[_strategy] = strategy - } - } - } -} - -// minimal 2-byte header -class Deflate extends Zlib { - constructor (opts) { - super(opts, 'Deflate') - } -} - -class Inflate extends Zlib { - constructor (opts) { - super(opts, 'Inflate') - } -} - -// gzip - bigger header, same deflate compression -const _portable = Symbol('_portable') -class Gzip extends Zlib { - constructor (opts) { - super(opts, 'Gzip') - this[_portable] = opts && !!opts.portable - } - - [_superWrite] (data) { - if (!this[_portable]) - return super[_superWrite](data) - - // we'll always get the header emitted in one first chunk - // overwrite the OS indicator byte with 0xFF - this[_portable] = false - data[9] = 255 - return super[_superWrite](data) - } -} - -class Gunzip extends Zlib { - constructor (opts) { - super(opts, 'Gunzip') - } -} - -// raw - no header -class DeflateRaw extends Zlib { - constructor (opts) { - super(opts, 'DeflateRaw') - } -} - -class InflateRaw extends Zlib { - constructor (opts) { - super(opts, 'InflateRaw') - } -} - -// auto-detect header. -class Unzip extends Zlib { - constructor (opts) { - super(opts, 'Unzip') - } -} - -class Brotli extends ZlibBase { - constructor (opts, mode) { - opts = opts || {} - - opts.flush = opts.flush || constants.BROTLI_OPERATION_PROCESS - opts.finishFlush = opts.finishFlush || constants.BROTLI_OPERATION_FINISH - - super(opts, mode) - - this[_fullFlushFlag] = constants.BROTLI_OPERATION_FLUSH - } -} - -class BrotliCompress extends Brotli { - constructor (opts) { - super(opts, 'BrotliCompress') - } -} - -class BrotliDecompress extends Brotli { - constructor (opts) { - super(opts, 'BrotliDecompress') - } -} - -exports.Deflate = Deflate -exports.Inflate = Inflate -exports.Gzip = Gzip -exports.Gunzip = Gunzip -exports.DeflateRaw = DeflateRaw -exports.InflateRaw = InflateRaw -exports.Unzip = Unzip -/* istanbul ignore else */ -if (typeof realZlib.BrotliCompress === 'function') { - exports.BrotliCompress = BrotliCompress - exports.BrotliDecompress = BrotliDecompress -} else { - exports.BrotliCompress = exports.BrotliDecompress = class { - constructor () { - throw new Error('Brotli is not supported in this version of Node.js') - } - } -} |