Your IP : 216.73.216.86
PK �]�\�~m� � package.jsonnu �[��� {
"_id": "minipass-json-stream@1.0.1",
"_inBundle": true,
"_location": "/npm/minipass-json-stream",
"_phantomChildren": {
"yallist": "4.0.0"
},
"_requiredBy": [
"/npm/npm-registry-fetch"
],
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "https://izs.me"
},
"bugs": {
"url": "https://github.com/npm/minipass-json-stream/issues"
},
"dependencies": {
"jsonparse": "^1.3.1",
"minipass": "^3.0.0"
},
"description": "Like JSONStream, but using Minipass streams",
"devDependencies": {
"JSONStream": "^1.3.5",
"tap": "^14.6.9"
},
"files": [
"index.js"
],
"homepage": "https://github.com/npm/minipass-json-stream#readme",
"keywords": [
"stream",
"json",
"parse",
"minipass",
"JSONStream"
],
"license": "MIT",
"name": "minipass-json-stream",
"repository": {
"type": "git",
"url": "git+https://github.com/npm/minipass-json-stream.git"
},
"scripts": {
"postpublish": "git push origin --follow-tags",
"postversion": "npm publish",
"preversion": "npm test",
"snap": "tap",
"test": "tap"
},
"tap": {
"check-coverage": true
},
"version": "1.0.1"
}
PK �]�\u�P� " node_modules/minipass/package.jsonnu �[��� {
"_id": "minipass@3.3.6",
"_inBundle": true,
"_location": "/npm/minipass-json-stream/minipass",
"_phantomChildren": {},
"_requiredBy": [
"/npm/minipass-json-stream"
],
"author": {
"name": "Isaac Z. Schlueter",
"email": "i@izs.me",
"url": "http://blog.izs.me/"
},
"bugs": {
"url": "https://github.com/isaacs/minipass/issues"
},
"dependencies": {
"yallist": "^4.0.0"
},
"description": "minimal implementation of a PassThrough stream",
"devDependencies": {
"@types/node": "^17.0.41",
"end-of-stream": "^1.4.0",
"prettier": "^2.6.2",
"tap": "^16.2.0",
"through2": "^2.0.3",
"ts-node": "^10.8.1",
"typescript": "^4.7.3"
},
"engines": {
"node": ">=8"
},
"files": [
"index.d.ts",
"index.js"
],
"homepage": "https://github.com/isaacs/minipass#readme",
"keywords": [
"passthrough",
"stream"
],
"license": "ISC",
"main": "index.js",
"name": "minipass",
"prettier": {
"semi": false,
"printWidth": 80,
"tabWidth": 2,
"useTabs": false,
"singleQuote": true,
"jsxSingleQuote": false,
"bracketSameLine": true,
"arrowParens": "avoid",
"endOfLine": "lf"
},
"repository": {
"type": "git",
"url": "git+https://github.com/isaacs/minipass.git"
},
"scripts": {
"postpublish": "git push origin --follow-tags",
"postversion": "npm publish",
"preversion": "npm test",
"test": "tap"
},
"tap": {
"check-coverage": true
},
"types": "index.d.ts",
"version": "3.3.6"
}
PK �]�\��� node_modules/minipass/LICENSEnu �[��� The ISC License
Copyright (c) 2017-2022 npm, Inc., Isaac Z. Schlueter, and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
PK �]�\-�@ �@ node_modules/minipass/index.jsnu �[��� 'use strict'
const proc = typeof process === 'object' && process ? process : {
stdout: null,
stderr: null,
}
const EE = require('events')
const Stream = require('stream')
const SD = require('string_decoder').StringDecoder
const EOF = Symbol('EOF')
const MAYBE_EMIT_END = Symbol('maybeEmitEnd')
const EMITTED_END = Symbol('emittedEnd')
const EMITTING_END = Symbol('emittingEnd')
const EMITTED_ERROR = Symbol('emittedError')
const CLOSED = Symbol('closed')
const READ = Symbol('read')
const FLUSH = Symbol('flush')
const FLUSHCHUNK = Symbol('flushChunk')
const ENCODING = Symbol('encoding')
const DECODER = Symbol('decoder')
const FLOWING = Symbol('flowing')
const PAUSED = Symbol('paused')
const RESUME = Symbol('resume')
const BUFFERLENGTH = Symbol('bufferLength')
const BUFFERPUSH = Symbol('bufferPush')
const BUFFERSHIFT = Symbol('bufferShift')
const OBJECTMODE = Symbol('objectMode')
const DESTROYED = Symbol('destroyed')
const EMITDATA = Symbol('emitData')
const EMITEND = Symbol('emitEnd')
const EMITEND2 = Symbol('emitEnd2')
const ASYNC = Symbol('async')
const defer = fn => Promise.resolve().then(fn)
// TODO remove when Node v8 support drops
const doIter = global._MP_NO_ITERATOR_SYMBOLS_ !== '1'
const ASYNCITERATOR = doIter && Symbol.asyncIterator
|| Symbol('asyncIterator not implemented')
const ITERATOR = doIter && Symbol.iterator
|| Symbol('iterator not implemented')
// events that mean 'the stream is over'
// these are treated specially, and re-emitted
// if they are listened for after emitting.
const isEndish = ev =>
ev === 'end' ||
ev === 'finish' ||
ev === 'prefinish'
const isArrayBuffer = b => b instanceof ArrayBuffer ||
typeof b === 'object' &&
b.constructor &&
b.constructor.name === 'ArrayBuffer' &&
b.byteLength >= 0
const isArrayBufferView = b => !Buffer.isBuffer(b) && ArrayBuffer.isView(b)
class Pipe {
constructor (src, dest, opts) {
this.src = src
this.dest = dest
this.opts = opts
this.ondrain = () => src[RESUME]()
dest.on('drain', this.ondrain)
}
unpipe () {
this.dest.removeListener('drain', this.ondrain)
}
// istanbul ignore next - only here for the prototype
proxyErrors () {}
end () {
this.unpipe()
if (this.opts.end)
this.dest.end()
}
}
class PipeProxyErrors extends Pipe {
unpipe () {
this.src.removeListener('error', this.proxyErrors)
super.unpipe()
}
constructor (src, dest, opts) {
super(src, dest, opts)
this.proxyErrors = er => dest.emit('error', er)
src.on('error', this.proxyErrors)
}
}
module.exports = class Minipass extends Stream {
constructor (options) {
super()
this[FLOWING] = false
// whether we're explicitly paused
this[PAUSED] = false
this.pipes = []
this.buffer = []
this[OBJECTMODE] = options && options.objectMode || false
if (this[OBJECTMODE])
this[ENCODING] = null
else
this[ENCODING] = options && options.encoding || null
if (this[ENCODING] === 'buffer')
this[ENCODING] = null
this[ASYNC] = options && !!options.async || false
this[DECODER] = this[ENCODING] ? new SD(this[ENCODING]) : null
this[EOF] = false
this[EMITTED_END] = false
this[EMITTING_END] = false
this[CLOSED] = false
this[EMITTED_ERROR] = null
this.writable = true
this.readable = true
this[BUFFERLENGTH] = 0
this[DESTROYED] = false
}
get bufferLength () { return this[BUFFERLENGTH] }
get encoding () { return this[ENCODING] }
set encoding (enc) {
if (this[OBJECTMODE])
throw new Error('cannot set encoding in objectMode')
if (this[ENCODING] && enc !== this[ENCODING] &&
(this[DECODER] && this[DECODER].lastNeed || this[BUFFERLENGTH]))
throw new Error('cannot change encoding')
if (this[ENCODING] !== enc) {
this[DECODER] = enc ? new SD(enc) : null
if (this.buffer.length)
this.buffer = this.buffer.map(chunk => this[DECODER].write(chunk))
}
this[ENCODING] = enc
}
setEncoding (enc) {
this.encoding = enc
}
get objectMode () { return this[OBJECTMODE] }
set objectMode (om) { this[OBJECTMODE] = this[OBJECTMODE] || !!om }
get ['async'] () { return this[ASYNC] }
set ['async'] (a) { this[ASYNC] = this[ASYNC] || !!a }
write (chunk, encoding, cb) {
if (this[EOF])
throw new Error('write after end')
if (this[DESTROYED]) {
this.emit('error', Object.assign(
new Error('Cannot call write after a stream was destroyed'),
{ code: 'ERR_STREAM_DESTROYED' }
))
return true
}
if (typeof encoding === 'function')
cb = encoding, encoding = 'utf8'
if (!encoding)
encoding = 'utf8'
const fn = this[ASYNC] ? defer : f => f()
// convert array buffers and typed array views into buffers
// at some point in the future, we may want to do the opposite!
// leave strings and buffers as-is
// anything else switches us into object mode
if (!this[OBJECTMODE] && !Buffer.isBuffer(chunk)) {
if (isArrayBufferView(chunk))
chunk = Buffer.from(chunk.buffer, chunk.byteOffset, chunk.byteLength)
else if (isArrayBuffer(chunk))
chunk = Buffer.from(chunk)
else if (typeof chunk !== 'string')
// use the setter so we throw if we have encoding set
this.objectMode = true
}
// handle object mode up front, since it's simpler
// this yields better performance, fewer checks later.
if (this[OBJECTMODE]) {
/* istanbul ignore if - maybe impossible? */
if (this.flowing && this[BUFFERLENGTH] !== 0)
this[FLUSH](true)
if (this.flowing)
this.emit('data', chunk)
else
this[BUFFERPUSH](chunk)
if (this[BUFFERLENGTH] !== 0)
this.emit('readable')
if (cb)
fn(cb)
return this.flowing
}
// at this point the chunk is a buffer or string
// don't buffer it up or send it to the decoder
if (!chunk.length) {
if (this[BUFFERLENGTH] !== 0)
this.emit('readable')
if (cb)
fn(cb)
return this.flowing
}
// fast-path writing strings of same encoding to a stream with
// an empty buffer, skipping the buffer/decoder dance
if (typeof chunk === 'string' &&
// unless it is a string already ready for us to use
!(encoding === this[ENCODING] && !this[DECODER].lastNeed)) {
chunk = Buffer.from(chunk, encoding)
}
if (Buffer.isBuffer(chunk) && this[ENCODING])
chunk = this[DECODER].write(chunk)
// Note: flushing CAN potentially switch us into not-flowing mode
if (this.flowing && this[BUFFERLENGTH] !== 0)
this[FLUSH](true)
if (this.flowing)
this.emit('data', chunk)
else
this[BUFFERPUSH](chunk)
if (this[BUFFERLENGTH] !== 0)
this.emit('readable')
if (cb)
fn(cb)
return this.flowing
}
read (n) {
if (this[DESTROYED])
return null
if (this[BUFFERLENGTH] === 0 || n === 0 || n > this[BUFFERLENGTH]) {
this[MAYBE_EMIT_END]()
return null
}
if (this[OBJECTMODE])
n = null
if (this.buffer.length > 1 && !this[OBJECTMODE]) {
if (this.encoding)
this.buffer = [this.buffer.join('')]
else
this.buffer = [Buffer.concat(this.buffer, this[BUFFERLENGTH])]
}
const ret = this[READ](n || null, this.buffer[0])
this[MAYBE_EMIT_END]()
return ret
}
[READ] (n, chunk) {
if (n === chunk.length || n === null)
this[BUFFERSHIFT]()
else {
this.buffer[0] = chunk.slice(n)
chunk = chunk.slice(0, n)
this[BUFFERLENGTH] -= n
}
this.emit('data', chunk)
if (!this.buffer.length && !this[EOF])
this.emit('drain')
return chunk
}
end (chunk, encoding, cb) {
if (typeof chunk === 'function')
cb = chunk, chunk = null
if (typeof encoding === 'function')
cb = encoding, encoding = 'utf8'
if (chunk)
this.write(chunk, encoding)
if (cb)
this.once('end', cb)
this[EOF] = true
this.writable = false
// if we haven't written anything, then go ahead and emit,
// even if we're not reading.
// we'll re-emit if a new 'end' listener is added anyway.
// This makes MP more suitable to write-only use cases.
if (this.flowing || !this[PAUSED])
this[MAYBE_EMIT_END]()
return this
}
// don't let the internal resume be overwritten
[RESUME] () {
if (this[DESTROYED])
return
this[PAUSED] = false
this[FLOWING] = true
this.emit('resume')
if (this.buffer.length)
this[FLUSH]()
else if (this[EOF])
this[MAYBE_EMIT_END]()
else
this.emit('drain')
}
resume () {
return this[RESUME]()
}
pause () {
this[FLOWING] = false
this[PAUSED] = true
}
get destroyed () {
return this[DESTROYED]
}
get flowing () {
return this[FLOWING]
}
get paused () {
return this[PAUSED]
}
[BUFFERPUSH] (chunk) {
if (this[OBJECTMODE])
this[BUFFERLENGTH] += 1
else
this[BUFFERLENGTH] += chunk.length
this.buffer.push(chunk)
}
[BUFFERSHIFT] () {
if (this.buffer.length) {
if (this[OBJECTMODE])
this[BUFFERLENGTH] -= 1
else
this[BUFFERLENGTH] -= this.buffer[0].length
}
return this.buffer.shift()
}
[FLUSH] (noDrain) {
do {} while (this[FLUSHCHUNK](this[BUFFERSHIFT]()))
if (!noDrain && !this.buffer.length && !this[EOF])
this.emit('drain')
}
[FLUSHCHUNK] (chunk) {
return chunk ? (this.emit('data', chunk), this.flowing) : false
}
pipe (dest, opts) {
if (this[DESTROYED])
return
const ended = this[EMITTED_END]
opts = opts || {}
if (dest === proc.stdout || dest === proc.stderr)
opts.end = false
else
opts.end = opts.end !== false
opts.proxyErrors = !!opts.proxyErrors
// piping an ended stream ends immediately
if (ended) {
if (opts.end)
dest.end()
} else {
this.pipes.push(!opts.proxyErrors ? new Pipe(this, dest, opts)
: new PipeProxyErrors(this, dest, opts))
if (this[ASYNC])
defer(() => this[RESUME]())
else
this[RESUME]()
}
return dest
}
unpipe (dest) {
const p = this.pipes.find(p => p.dest === dest)
if (p) {
this.pipes.splice(this.pipes.indexOf(p), 1)
p.unpipe()
}
}
addListener (ev, fn) {
return this.on(ev, fn)
}
on (ev, fn) {
const ret = super.on(ev, fn)
if (ev === 'data' && !this.pipes.length && !this.flowing)
this[RESUME]()
else if (ev === 'readable' && this[BUFFERLENGTH] !== 0)
super.emit('readable')
else if (isEndish(ev) && this[EMITTED_END]) {
super.emit(ev)
this.removeAllListeners(ev)
} else if (ev === 'error' && this[EMITTED_ERROR]) {
if (this[ASYNC])
defer(() => fn.call(this, this[EMITTED_ERROR]))
else
fn.call(this, this[EMITTED_ERROR])
}
return ret
}
get emittedEnd () {
return this[EMITTED_END]
}
[MAYBE_EMIT_END] () {
if (!this[EMITTING_END] &&
!this[EMITTED_END] &&
!this[DESTROYED] &&
this.buffer.length === 0 &&
this[EOF]) {
this[EMITTING_END] = true
this.emit('end')
this.emit('prefinish')
this.emit('finish')
if (this[CLOSED])
this.emit('close')
this[EMITTING_END] = false
}
}
emit (ev, data, ...extra) {
// error and close are only events allowed after calling destroy()
if (ev !== 'error' && ev !== 'close' && ev !== DESTROYED && this[DESTROYED])
return
else if (ev === 'data') {
return !data ? false
: this[ASYNC] ? defer(() => this[EMITDATA](data))
: this[EMITDATA](data)
} else if (ev === 'end') {
return this[EMITEND]()
} else if (ev === 'close') {
this[CLOSED] = true
// don't emit close before 'end' and 'finish'
if (!this[EMITTED_END] && !this[DESTROYED])
return
const ret = super.emit('close')
this.removeAllListeners('close')
return ret
} else if (ev === 'error') {
this[EMITTED_ERROR] = data
const ret = super.emit('error', data)
this[MAYBE_EMIT_END]()
return ret
} else if (ev === 'resume') {
const ret = super.emit('resume')
this[MAYBE_EMIT_END]()
return ret
} else if (ev === 'finish' || ev === 'prefinish') {
const ret = super.emit(ev)
this.removeAllListeners(ev)
return ret
}
// Some other unknown event
const ret = super.emit(ev, data, ...extra)
this[MAYBE_EMIT_END]()
return ret
}
[EMITDATA] (data) {
for (const p of this.pipes) {
if (p.dest.write(data) === false)
this.pause()
}
const ret = super.emit('data', data)
this[MAYBE_EMIT_END]()
return ret
}
[EMITEND] () {
if (this[EMITTED_END])
return
this[EMITTED_END] = true
this.readable = false
if (this[ASYNC])
defer(() => this[EMITEND2]())
else
this[EMITEND2]()
}
[EMITEND2] () {
if (this[DECODER]) {
const data = this[DECODER].end()
if (data) {
for (const p of this.pipes) {
p.dest.write(data)
}
super.emit('data', data)
}
}
for (const p of this.pipes) {
p.end()
}
const ret = super.emit('end')
this.removeAllListeners('end')
return ret
}
// const all = await stream.collect()
collect () {
const buf = []
if (!this[OBJECTMODE])
buf.dataLength = 0
// set the promise first, in case an error is raised
// by triggering the flow here.
const p = this.promise()
this.on('data', c => {
buf.push(c)
if (!this[OBJECTMODE])
buf.dataLength += c.length
})
return p.then(() => buf)
}
// const data = await stream.concat()
concat () {
return this[OBJECTMODE]
? Promise.reject(new Error('cannot concat in objectMode'))
: this.collect().then(buf =>
this[OBJECTMODE]
? Promise.reject(new Error('cannot concat in objectMode'))
: this[ENCODING] ? buf.join('') : Buffer.concat(buf, buf.dataLength))
}
// stream.promise().then(() => done, er => emitted error)
promise () {
return new Promise((resolve, reject) => {
this.on(DESTROYED, () => reject(new Error('stream destroyed')))
this.on('error', er => reject(er))
this.on('end', () => resolve())
})
}
// for await (let chunk of stream)
[ASYNCITERATOR] () {
const next = () => {
const res = this.read()
if (res !== null)
return Promise.resolve({ done: false, value: res })
if (this[EOF])
return Promise.resolve({ done: true })
let resolve = null
let reject = null
const onerr = er => {
this.removeListener('data', ondata)
this.removeListener('end', onend)
reject(er)
}
const ondata = value => {
this.removeListener('error', onerr)
this.removeListener('end', onend)
this.pause()
resolve({ value: value, done: !!this[EOF] })
}
const onend = () => {
this.removeListener('error', onerr)
this.removeListener('data', ondata)
resolve({ done: true })
}
const ondestroy = () => onerr(new Error('stream destroyed'))
return new Promise((res, rej) => {
reject = rej
resolve = res
this.once(DESTROYED, ondestroy)
this.once('error', onerr)
this.once('end', onend)
this.once('data', ondata)
})
}
return { next }
}
// for (let chunk of stream)
[ITERATOR] () {
const next = () => {
const value = this.read()
const done = value === null
return { value, done }
}
return { next }
}
destroy (er) {
if (this[DESTROYED]) {
if (er)
this.emit('error', er)
else
this.emit(DESTROYED)
return this
}
this[DESTROYED] = true
// throw away all buffered data, it's never coming out
this.buffer.length = 0
this[BUFFERLENGTH] = 0
if (typeof this.close === 'function' && !this[CLOSED])
this.close()
if (er)
this.emit('error', er)
else // if no error to emit, still reject pending promises
this.emit(DESTROYED)
return this
}
static isStream (s) {
return !!s && (s instanceof Minipass || s instanceof Stream ||
s instanceof EE && (
typeof s.pipe === 'function' || // readable
(typeof s.write === 'function' && typeof s.end === 'function') // writable
))
}
}
PK �]�\{�� LICENSEnu �[��� The MIT License
Copyright (c) Isaac Z. Schlueter and Contributors
Copyright (c) 2011 Dominic Tarr
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
----
This is a derivative work based on JSONStream by Dominic Tarr, modified and
redistributed according to the terms of the MIT license above.
https://github.com/dominictarr/JSONStream
PK �]�\V<�Z� � index.jsnu �[��� // put javascript in here
'use strict'
const Parser = require('jsonparse')
const Minipass = require('minipass')
class JSONStreamError extends Error {
constructor (err, caller) {
super(err.message)
Error.captureStackTrace(this, caller || this.constructor)
}
get name () {
return 'JSONStreamError'
}
set name (n) {}
}
const check = (x, y) =>
typeof x === 'string' ? String(y) === x
: x && typeof x.test === 'function' ? x.test(y)
: typeof x === 'boolean' || typeof x === 'object' ? x
: typeof x === 'function' ? x(y)
: false
const _parser = Symbol('_parser')
const _onValue = Symbol('_onValue')
const _onTokenOriginal = Symbol('_onTokenOriginal')
const _onToken = Symbol('_onToken')
const _onError = Symbol('_onError')
const _count = Symbol('_count')
const _path = Symbol('_path')
const _map = Symbol('_map')
const _root = Symbol('_root')
const _header = Symbol('_header')
const _footer = Symbol('_footer')
const _setHeaderFooter = Symbol('_setHeaderFooter')
const _ending = Symbol('_ending')
class JSONStream extends Minipass {
constructor (opts = {}) {
super({
...opts,
objectMode: true,
})
this[_ending] = false
const parser = this[_parser] = new Parser()
parser.onValue = value => this[_onValue](value)
this[_onTokenOriginal] = parser.onToken
parser.onToken = (token, value) => this[_onToken](token, value)
parser.onError = er => this[_onError](er)
this[_count] = 0
this[_path] = typeof opts.path === 'string'
? opts.path.split('.').map(e =>
e === '$*' ? { emitKey: true }
: e === '*' ? true
: e === '' ? { recurse: true }
: e)
: Array.isArray(opts.path) && opts.path.length ? opts.path
: null
this[_map] = typeof opts.map === 'function' ? opts.map : null
this[_root] = null
this[_header] = null
this[_footer] = null
this[_count] = 0
}
[_setHeaderFooter] (key, value) {
// header has not been emitted yet
if (this[_header] !== false) {
this[_header] = this[_header] || {}
this[_header][key] = value
}
// footer has not been emitted yet but header has
if (this[_footer] !== false && this[_header] === false) {
this[_footer] = this[_footer] || {}
this[_footer][key] = value
}
}
[_onError] (er) {
// error will always happen during a write() call.
const caller = this[_ending] ? this.end : this.write
this[_ending] = false
return this.emit('error', new JSONStreamError(er, caller))
}
[_onToken] (token, value) {
const parser = this[_parser]
this[_onTokenOriginal].call(parser, token, value)
if (parser.stack.length === 0) {
if (this[_root]) {
const root = this[_root]
if (!this[_path])
super.write(root)
this[_root] = null
this[_count] = 0
}
}
}
[_onValue] (value) {
const parser = this[_parser]
// the LAST onValue encountered is the root object.
// just overwrite it each time.
this[_root] = value
if(!this[_path]) return
let i = 0 // iterates on path
let j = 0 // iterates on stack
let emitKey = false
let emitPath = false
while (i < this[_path].length) {
const key = this[_path][i]
j++
if (key && !key.recurse) {
const c = (j === parser.stack.length) ? parser : parser.stack[j]
if (!c) return
if (!check(key, c.key)) {
this[_setHeaderFooter](c.key, value)
return
}
emitKey = !!key.emitKey;
emitPath = !!key.emitPath;
i++
} else {
i++
if (i >= this[_path].length)
return
const nextKey = this[_path][i]
if (!nextKey)
return
while (true) {
const c = (j === parser.stack.length) ? parser : parser.stack[j]
if (!c) return
if (check(nextKey, c.key)) {
i++
if (!Object.isFrozen(parser.stack[j]))
parser.stack[j].value = null
break
} else {
this[_setHeaderFooter](c.key, value)
}
j++
}
}
}
// emit header
if (this[_header]) {
const header = this[_header]
this[_header] = false
this.emit('header', header)
}
if (j !== parser.stack.length) return
this[_count] ++
const actualPath = parser.stack.slice(1)
.map(e => e.key).concat([parser.key])
if (value !== null && value !== undefined) {
const data = this[_map] ? this[_map](value, actualPath) : value
if (data !== null && data !== undefined) {
const emit = emitKey || emitPath ? { value: data } : data
if (emitKey)
emit.key = parser.key
if (emitPath)
emit.path = actualPath
super.write(emit)
}
}
if (parser.value)
delete parser.value[parser.key]
for (const k of parser.stack) {
k.value = null
}
}
write (chunk, encoding, cb) {
if (typeof encoding === 'function')
cb = encoding, encoding = null
if (typeof chunk === 'string')
chunk = Buffer.from(chunk, encoding)
else if (!Buffer.isBuffer(chunk))
return this.emit('error', new TypeError(
'Can only parse JSON from string or buffer input'))
this[_parser].write(chunk)
if (cb)
cb()
return this.flowing
}
end (chunk, encoding, cb) {
this[_ending] = true
if (typeof encoding === 'function')
cb = encoding, encoding = null
if (typeof chunk === 'function')
cb = chunk, chunk = null
if (chunk)
this.write(chunk, encoding)
if (cb)
this.once('end', cb)
const h = this[_header]
this[_header] = null
const f = this[_footer]
this[_footer] = null
if (h)
this.emit('header', h)
if (f)
this.emit('footer', f)
return super.end()
}
static get JSONStreamError () { return JSONStreamError }
static parse (path, map) {
return new JSONStream({path, map})
}
}
module.exports = JSONStream
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