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/*
* https://rentry.org/teralomaniac_clewd
* https://github.com/teralomaniac/clewd
*/
'use strict';
const {AI, genericFixes, DangerChars, encodeDataJSON, indexOfAny, cleanJSON, checkResErr} = require('./clewd-utils'), Decoder = new TextDecoder;
class ClewdStream extends TransformStream {
constructor(opts, logger) {
super({
transform: (chunk, controller) => {
this.#handle(chunk, controller);
},
flush: controller => {
this.#done(controller);
}
});
this.#logger = logger;
this.#version = opts.version;
this.#config = opts.config;
this.#model = opts.model;
this.#streaming = opts.streaming;
this.#minSize = opts.minSize || 8;
this.#abortControl = opts.abortControl;
this.#source = opts.source;
}
#source=void 0;
#ended=false;
#streaming=void 0;
#minSize=void 0;
#compOK='';
#compRaw='';
#logger=void 0;
#version=void 0;
#config=void 0;
#abortControl=void 0;
#model=void 0;
#compAll=[];
#recvLength=0;
#stopLoc=void 0;
#stopReason=void 0;
#hardCensor=false;
#impersonated=false;
#nochange=false; //
get size() {
return this.#recvLength;
}
get total() {
return this.#compAll.length;
}
get censored() {
return this.#hardCensor;
}
get impersonated() {
return this.#impersonated;
}
/************************ */
get nochange() {
return this.#nochange;
}
/************************ */
empty() {
this.#compOK = this.#compRaw = '';
this.#compAll = [];
this.#recvLength = 0;
}
#collectBuf() {
const valid = [ ...this.#compOK ], selection = valid.splice(0, Math.min(this.#minSize, valid.length)).join('');
this.#compOK = valid.join('');
return selection;
}
#err(err, controller) {
this.#logger?.write(JSON.stringify(err, null, 4));
const message = `## ${this.#version}\n**${this.#model} error**:\n${err.status || err.code || err.type}\n\n\`\`\`${err.message}\`\`\`\n\nFAQ: https://rentry.org/teralomaniac_clewd`;
this.#nochange = true; //
this.#enqueue(this.#build(message), controller);
return this.#endEarly(controller);
}
#build(selection) {
this.#logger?.write(selection);
const completion = this.#streaming ? {
choices: [ {
delta: {
content: genericFixes(selection)
}
} ]
} : {
choices: [ {
message: {
content: genericFixes(selection)
}
} ]
};
return this.#streaming ? encodeDataJSON(completion) : JSON.stringify(completion);
}
#enqueue(selection, controller) {
this.#ended || controller.enqueue(selection);
}
#print() {}
async #done(controller) {
this.#compRaw.length > 0 && await this.#parseBuf(this.#compRaw, controller);
this.#streaming ? this.#compOK.length > 0 && this.#enqueue(this.#build(this.#compOK), controller) : this.#enqueue(this.#build(this.#compAll.join('')), controller);
this.#compAll?.[0] === Buffer.from([ 73, 32, 97, 112, 111, 108, 111, 103, 105, 122, 101, 44, 32, 98, 117, 116, 32, 73, 32, 119, 105, 108, 108, 32, 110, 111, 116, 32, 112, 114, 111, 118, 105, 100, 101, 32, 97, 110, 121, 32, 114, 101, 115, 112, 111, 110, 115, 101, 115, 32, 116, 104, 97, 116, 32, 118, 105, 111, 108, 97, 116, 101, 32, 65, 110, 116, 104, 114, 111, 112, 105, 99, 39, 115, 32, 65, 99, 99, 101, 112, 116, 97, 98, 108, 101, 32, 85, 115, 101, 32, 80, 111, 108, 105, 99, 121, 32, 111, 114, 32, 99, 111, 117, 108, 100, 32, 112, 114, 111, 109, 111, 116, 101, 32, 104, 97, 114, 109, 46 ]).toString() && (this.#hardCensor = true);
if (!this.#ended && 0 === this.total) {
const err = `## ${this.#version}\n**error**:\n\n\`\`\`Received no valid replies at all\`\`\`\n\nFAQ: https://rentry.org/teralomaniac_clewd`;
this.#nochange = true; //
this.#enqueue(this.#build(err), controller);
}
this.#streaming && this.#enqueue('data: [DONE]\n\n', controller);
this.#print();
this.#ended = true;
}
#endEarly(controller) {
if (!this.#ended) {
this.#streaming && this.#enqueue('data: [DONE]\n\n', controller);
this.#config.Settings.Superfetch && this.#source.rape();
this.#abortControl.abort();
controller.terminate();
this.#print();
this.#ended = true;
}
}
#impersonationCheck(reply, controller) {
const fakeAny = indexOfAny(reply);
if (fakeAny > -1) {
this.#impersonated = true;
if (this.#config.Settings.PreventImperson) {
const selection = reply.substring(0, fakeAny);
this.#enqueue(this.#build(selection), controller);
this.#endEarly(controller);
}
}
}
async #handle(chunk, controller) {
if ('string' != typeof chunk) {
this.#recvLength += chunk.byteLength;
chunk = Decoder.decode(chunk, {'stream': true}); //chunk = Decoder.decode(chunk);
} else {
this.#recvLength += Buffer.byteLength(chunk);
}
this.#compRaw += chunk.replace(/event: (completion|ping)\s*|\r/gi,''); //this.#compRaw += chunk;
const substr = this.#compRaw.split('\n\n'), lastMsg = substr.length - 1;
0 !== substr[lastMsg].length ? this.#compRaw = substr[lastMsg] : this.#compRaw = '';
for (let i = 0; i < lastMsg; i++) {
await this.#parseBuf(substr[i], controller);
}
}
async #parseBuf(json, controller) {
if (!json) {
return;
}
if (this.#ended) {
return;
}
let parsed, delayChunk;
try {
parsed = JSON.parse(cleanJSON(json));
if (parsed.error) {
const err = await checkResErr(JSON.stringify({
error: {
...parsed.error
},
status: this.#source.status,
superfetch: this.#source.superfetch
}), false, false); //}), false);
delete err.stack;
return this.#err(err, controller);
}
if (parsed.completion) {
parsed.completion = genericFixes(parsed.completion);
this.#compOK += parsed.completion;
this.#compAll.push(parsed.completion);
delayChunk = DangerChars.some((char => this.#compOK.endsWith(char) || parsed.completion.startsWith(char)));
}
!this.#stopLoc && parsed.stop && (this.#stopLoc = parsed.stop.replace(/\n/g, '\\n'));
!this.#stopReason && parsed.stop_reason && (this.#stopReason = parsed.stop_reason);
if (this.#streaming) {
delayChunk && this.#impersonationCheck(this.#compOK, controller);
for (;!delayChunk && this.#compOK.length >= this.#minSize; ) {
const selection = this.#collectBuf();
this.#enqueue(this.#build(selection), controller);
}
} else {
delayChunk && this.#impersonationCheck(this.#compAll.join(''), controller);
}
} catch (err) {}
}
}
module.exports = ClewdStream; |