@ace-fetch/dify-compatible-plugin
Version:
dify plugins for @ace-fetch/core.
188 lines (187 loc) • 10.4 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
export var TransferMethod;
(function (TransferMethod) {
TransferMethod["all"] = "all";
TransferMethod["local_file"] = "local_file";
TransferMethod["remote_url"] = "remote_url";
})(TransferMethod || (TransferMethod = {}));
function unicodeToChar(text) {
return text.replace(/\\u[0-9a-f]{4}/g, function (_match, p1) {
return String.fromCharCode(parseInt(p1, 16));
});
}
function handleStream(stream, onData, onCompleted, onThought, onMessageEnd, onMessageReplace, onFile, onWorkflowStarted, onWorkflowFinished, onNodeStarted, onNodeFinished) {
var reader = stream.getReader();
var decoder = new TextDecoder('utf-8');
var buffer = '';
var bufferObj;
var isFirstMessage = true;
function read() {
var hasError = false;
reader.read().then(function (result) {
if (result.done) {
onCompleted && onCompleted();
return;
}
buffer += decoder.decode(result.value, { stream: true });
var lines = buffer.split('\n');
try {
lines.forEach(function (message) {
if (message.startsWith('data: ')) {
// check if it starts with data:
try {
bufferObj = JSON.parse(message.substring(6)); // remove data: and parse as json
}
catch (e) {
// mute handle message cut off
onData('', isFirstMessage, {
conversationId: bufferObj === null || bufferObj === void 0 ? void 0 : bufferObj.conversation_id,
messageId: bufferObj === null || bufferObj === void 0 ? void 0 : bufferObj.message_id,
});
return;
}
if (bufferObj.status === 400 || !bufferObj.event) {
onData('', false, {
conversationId: undefined,
messageId: '',
errorMessage: bufferObj === null || bufferObj === void 0 ? void 0 : bufferObj.message,
errorCode: bufferObj === null || bufferObj === void 0 ? void 0 : bufferObj.code,
});
hasError = true;
onCompleted === null || onCompleted === void 0 ? void 0 : onCompleted(true);
return;
}
if (bufferObj.event === 'message' || bufferObj.event === 'agent_message') {
// can not use format here. Because message is splited.
onData(unicodeToChar(bufferObj.answer), isFirstMessage, {
conversationId: bufferObj.conversation_id,
taskId: bufferObj.task_id,
messageId: bufferObj.id,
});
isFirstMessage = false;
}
else if (bufferObj.event === 'agent_thought') {
onThought === null || onThought === void 0 ? void 0 : onThought(bufferObj);
}
else if (bufferObj.event === 'message_file') {
onFile === null || onFile === void 0 ? void 0 : onFile(bufferObj);
}
else if (bufferObj.event === 'message_end') {
onMessageEnd === null || onMessageEnd === void 0 ? void 0 : onMessageEnd(bufferObj);
}
else if (bufferObj.event === 'message_replace') {
onMessageReplace === null || onMessageReplace === void 0 ? void 0 : onMessageReplace(bufferObj);
}
else if (bufferObj.event === 'workflow_started') {
onWorkflowStarted === null || onWorkflowStarted === void 0 ? void 0 : onWorkflowStarted(bufferObj);
}
else if (bufferObj.event === 'workflow_finished') {
onWorkflowFinished === null || onWorkflowFinished === void 0 ? void 0 : onWorkflowFinished(bufferObj);
}
else if (bufferObj.event === 'node_started') {
onNodeStarted === null || onNodeStarted === void 0 ? void 0 : onNodeStarted(bufferObj);
}
else if (bufferObj.event === 'node_finished') {
onNodeFinished === null || onNodeFinished === void 0 ? void 0 : onNodeFinished(bufferObj);
}
}
});
buffer = lines[lines.length - 1];
}
catch (e) {
onData('', false, {
conversationId: undefined,
messageId: '',
errorMessage: "".concat(e),
});
hasError = true;
onCompleted === null || onCompleted === void 0 ? void 0 : onCompleted(true);
return;
}
if (!hasError)
read();
});
}
read();
}
/**
* regist dify stream read plugin on current promise request
* @param request request promise
* @param options dify stream read options
*/
export function registDifyStreamRead(request, options) {
var _this = this;
if (options === void 0) { options = {}; }
return function (config) {
var _a = config || {}, onData = _a.onData, onCompleted = _a.onCompleted, onThought = _a.onThought, onFile = _a.onFile, onMessageEnd = _a.onMessageEnd, onMessageReplace = _a.onMessageReplace, onWorkflowStarted = _a.onWorkflowStarted, onWorkflowFinished = _a.onWorkflowFinished, onNodeStarted = _a.onNodeStarted, onNodeFinished = _a.onNodeFinished, rest = __rest(_a, ["onData", "onCompleted", "onThought", "onFile", "onMessageEnd", "onMessageReplace", "onWorkflowStarted", "onWorkflowFinished", "onNodeStarted", "onNodeFinished"]);
return request(rest).then(function (response) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (response.status === 200 && onData && response.data && response.data instanceof ReadableStream) {
handleStream(response.data, onData, onCompleted, onThought, onMessageEnd, onMessageReplace, onFile, onWorkflowStarted, onWorkflowFinished, onNodeStarted, onNodeFinished);
}
return [2 /*return*/, response];
});
}); });
};
}
/**
* 注册Dify消息流处理插件
* 只在regist apis上运行 (and 自定义条件下)
* @param options 插件配置
*/
export var createDifyStreamReadPlugin = function (options) {
if (options === void 0) { options = {}; }
return function (_a) {
var registApis = _a.registApis;
return Object.keys(registApis).reduce(function (prev, key) {
prev[key] = registDifyStreamRead(registApis[key], options);
return prev;
}, {});
};
};