feat: Add agent completion post-process. (#221)

clients/tabby-agent/dist/index.js

@@ -59,7 +59,7 @@ module.exports = __toCommonJS(src_exports);
 var import_axios2 = __toESM(require("axios"));
 var import_events = require("events");
 var import_uuid = require("uuid");
-var import_deep_equal = __toESM(require("deep-equal"));
+var import_deep_equal2 = __toESM(require("deep-equal"));
 var import_deepmerge = __toESM(require("deepmerge"));
 
 // src/generated/core/BaseHttpRequest.ts
@@ -659,6 +659,41 @@ var CompletionCache = class {
   }
 };
 
+// src/postprocess.ts
+var import_deep_equal = __toESM(require("deep-equal"));
+var logger = rootLogger.child({ component: "Postprocess" });
+var removeDuplicateLines = (context) => {
+  return (input) => {
+    const suffix = context.text.slice(context.position);
+    const suffixLines = splitLines(suffix);
+    const inputLines = splitLines(input);
+    for (let index = Math.max(0, inputLines.length - suffixLines.length); index < inputLines.length; index++) {
+      if ((0, import_deep_equal.default)(inputLines.slice(index), suffixLines.slice(0, input.length - index))) {
+        logger.debug({ input, suffix, duplicateAt: index }, "Remove duplicate lines");
+        return input.slice(0, index);
+      }
+    }
+    return input;
+  };
+};
+var dropBlank = (input) => {
+  return isBlank(input) ? null : input;
+};
+var applyFilter = (filter) => {
+  return async (response) => {
+    response.choices = (await Promise.all(
+      response.choices.map(async (choice) => {
+        choice.text = await filter(choice.text);
+        return choice;
+      })
+    )).filter(Boolean);
+    return response;
+  };
+};
+async function postprocess(request2, response) {
+  return new Promise((resolve2) => resolve2(response)).then(applyFilter(removeDuplicateLines(request2))).then(applyFilter(dropBlank));
+}
+
 // src/TabbyAgent.ts
 var TabbyAgent = class extends import_events.EventEmitter {
   constructor() {
@@ -670,7 +705,7 @@ var TabbyAgent = class extends import_events.EventEmitter {
     this.onConfigUpdated();
   }
   onConfigUpdated() {
-    allLoggers.forEach((logger) => logger.level = this.config.logs.level);
+    allLoggers.forEach((logger2) => logger2.level = this.config.logs.level);
     this.api = new TabbyApi({ BASE: this.config.server.endpoint });
     this.ping();
   }
@@ -735,14 +770,14 @@ var TabbyAgent = class extends import_events.EventEmitter {
       this.updateConfig(params.config);
     }
     if (params.client) {
-      allLoggers.forEach((logger) => logger.setBindings && logger.setBindings({ client: params.client }));
+      allLoggers.forEach((logger2) => logger2.setBindings && logger2.setBindings({ client: params.client }));
     }
     this.logger.debug({ params }, "Initialized");
     return true;
   }
   updateConfig(config) {
     const mergedConfig = (0, import_deepmerge.default)(this.config, config);
-    if (!(0, import_deep_equal.default)(this.config, mergedConfig)) {
+    if (!(0, import_deep_equal2.default)(this.config, mergedConfig)) {
       this.config = mergedConfig;
       this.onConfigUpdated();
       const event = { event: "configUpdated", config: this.config };
@@ -780,6 +815,8 @@ var TabbyAgent = class extends import_events.EventEmitter {
     });
     return cancelable(
       promise.then((response) => {
+        return postprocess(request2, response);
+      }).then((response) => {
         this.completionCache.set(request2, response);
         return response;
       }),

clients/tabby-agent/dist/index.mjs

@@ -5950,7 +5950,7 @@ var require_deep_equal = __commonJS({
       }
       return true;
     }
-    module.exports = function deepEqual3(a7, b5, opts) {
+    module.exports = function deepEqual4(a7, b5, opts) {
       return internalDeepEqual(a7, b5, opts, getSideChannel());
     };
   }
@@ -9189,13 +9189,13 @@ var require_browser2 = __commonJS({
       if (opts.enabled === false || opts.browser.disabled)
         opts.level = "silent";
       const level = opts.level || "info";
-      const logger = Object.create(proto);
+      const logger2 = Object.create(proto);
-      if (!logger.log)
+      if (!logger2.log)
-        logger.log = noop3;
+        logger2.log = noop3;
-      Object.defineProperty(logger, "levelVal", {
+      Object.defineProperty(logger2, "levelVal", {
         get: getLevelVal
       });
-      Object.defineProperty(logger, "level", {
+      Object.defineProperty(logger2, "level", {
         get: getLevel,
         set: setLevel
       });
@@ -9206,15 +9206,15 @@ var require_browser2 = __commonJS({
         levels,
         timestamp: getTimeFunction(opts)
       };
-      logger.levels = getLevels(opts);
+      logger2.levels = getLevels(opts);
-      logger.level = level;
+      logger2.level = level;
-      logger.setMaxListeners = logger.getMaxListeners = logger.emit = logger.addListener = logger.on = logger.prependListener = logger.once = logger.prependOnceListener = logger.removeListener = logger.removeAllListeners = logger.listeners = logger.listenerCount = logger.eventNames = logger.write = logger.flush = noop3;
+      logger2.setMaxListeners = logger2.getMaxListeners = logger2.emit = logger2.addListener = logger2.on = logger2.prependListener = logger2.once = logger2.prependOnceListener = logger2.removeListener = logger2.removeAllListeners = logger2.listeners = logger2.listenerCount = logger2.eventNames = logger2.write = logger2.flush = noop3;
-      logger.serializers = serializers;
+      logger2.serializers = serializers;
-      logger._serialize = serialize;
+      logger2._serialize = serialize;
-      logger._stdErrSerialize = stdErrSerialize;
+      logger2._stdErrSerialize = stdErrSerialize;
-      logger.child = child;
+      logger2.child = child;
       if (transmit2)
-        logger._logEvent = createLogEventShape();
+        logger2._logEvent = createLogEventShape();
       function getLevelVal() {
         return this.level === "silent" ? Infinity : this.levels.values[this.level];
       }
@@ -9226,14 +9226,14 @@ var require_browser2 = __commonJS({
           throw Error("unknown level " + level2);
         }
         this._level = level2;
-        set(setOpts, logger, "error", "log");
+        set(setOpts, logger2, "error", "log");
-        set(setOpts, logger, "fatal", "error");
+        set(setOpts, logger2, "fatal", "error");
-        set(setOpts, logger, "warn", "error");
+        set(setOpts, logger2, "warn", "error");
-        set(setOpts, logger, "info", "log");
+        set(setOpts, logger2, "info", "log");
-        set(setOpts, logger, "debug", "log");
+        set(setOpts, logger2, "debug", "log");
-        set(setOpts, logger, "trace", "log");
+        set(setOpts, logger2, "trace", "log");
         customLevels.forEach(function(level3) {
-          set(setOpts, logger, level3, "log");
+          set(setOpts, logger2, level3, "log");
         });
       }
       function child(bindings, childOptions) {
@@ -9272,7 +9272,7 @@ var require_browser2 = __commonJS({
         Child.prototype = this;
         return new Child(this);
       }
-      return logger;
+      return logger2;
     }
     function getLevels(opts) {
       const customLevels = opts.customLevels || {};
@@ -9310,15 +9310,15 @@ var require_browser2 = __commonJS({
     };
     pino2.stdSerializers = stdSerializers;
     pino2.stdTimeFunctions = Object.assign({}, { nullTime, epochTime, unixTime, isoTime });
-    function set(opts, logger, level, fallback) {
+    function set(opts, logger2, level, fallback) {
-      const proto = Object.getPrototypeOf(logger);
+      const proto = Object.getPrototypeOf(logger2);
-      logger[level] = logger.levelVal > logger.levels.values[level] ? noop3 : proto[level] ? proto[level] : _console[level] || _console[fallback] || noop3;
+      logger2[level] = logger2.levelVal > logger2.levels.values[level] ? noop3 : proto[level] ? proto[level] : _console[level] || _console[fallback] || noop3;
-      wrap(opts, logger, level);
+      wrap(opts, logger2, level);
     }
-    function wrap(opts, logger, level) {
+    function wrap(opts, logger2, level) {
-      if (!opts.transmit && logger[level] === noop3)
+      if (!opts.transmit && logger2[level] === noop3)
         return;
-      logger[level] = function(write2) {
+      logger2[level] = function(write2) {
         return function LOG() {
           const ts = opts.timestamp();
           const args = new Array(arguments.length);
@@ -9333,9 +9333,9 @@ var require_browser2 = __commonJS({
           else
             write2.apply(proto, args);
           if (opts.transmit) {
-            const transmitLevel = opts.transmit.level || logger.level;
+            const transmitLevel = opts.transmit.level || logger2.level;
-            const transmitValue = logger.levels.values[transmitLevel];
+            const transmitValue = logger2.levels.values[transmitLevel];
-            const methodValue = logger.levels.values[level];
+            const methodValue = logger2.levels.values[level];
             if (methodValue < transmitValue)
               return;
             transmit(this, {
@@ -9343,25 +9343,25 @@ var require_browser2 = __commonJS({
               methodLevel: level,
               methodValue,
               transmitLevel,
-              transmitValue: logger.levels.values[opts.transmit.level || logger.level],
+              transmitValue: logger2.levels.values[opts.transmit.level || logger2.level],
               send: opts.transmit.send,
-              val: logger.levelVal
+              val: logger2.levelVal
             }, args);
           }
         };
-      }(logger[level]);
+      }(logger2[level]);
     }
-    function asObject(logger, level, args, ts) {
+    function asObject(logger2, level, args, ts) {
-      if (logger._serialize)
+      if (logger2._serialize)
-        applySerializers(args, logger._serialize, logger.serializers, logger._stdErrSerialize);
+        applySerializers(args, logger2._serialize, logger2.serializers, logger2._stdErrSerialize);
       const argsCloned = args.slice();
       let msg = argsCloned[0];
       const o8 = {};
       if (ts) {
         o8.time = ts;
       }
-      o8.level = logger.levels.values[level];
+      o8.level = logger2.levels.values[level];
-      let lvl = (logger._childLevel | 0) + 1;
+      let lvl = (logger2._childLevel | 0) + 1;
       if (lvl < 1)
         lvl = 1;
       if (msg !== null && typeof msg === "object") {
@@ -9398,27 +9398,27 @@ var require_browser2 = __commonJS({
         return parent[level].apply(this, args);
       };
     }
-    function transmit(logger, opts, args) {
+    function transmit(logger2, opts, args) {
       const send = opts.send;
       const ts = opts.ts;
       const methodLevel = opts.methodLevel;
       const methodValue = opts.methodValue;
       const val = opts.val;
-      const bindings = logger._logEvent.bindings;
+      const bindings = logger2._logEvent.bindings;
       applySerializers(
         args,
-        logger._serialize || Object.keys(logger.serializers),
+        logger2._serialize || Object.keys(logger2.serializers),
-        logger.serializers,
+        logger2.serializers,
-        logger._stdErrSerialize === void 0 ? true : logger._stdErrSerialize
+        logger2._stdErrSerialize === void 0 ? true : logger2._stdErrSerialize
       );
-      logger._logEvent.ts = ts;
+      logger2._logEvent.ts = ts;
-      logger._logEvent.messages = args.filter(function(arg) {
+      logger2._logEvent.messages = args.filter(function(arg) {
         return bindings.indexOf(arg) === -1;
       });
-      logger._logEvent.level.label = methodLevel;
+      logger2._logEvent.level.label = methodLevel;
-      logger._logEvent.level.value = methodValue;
+      logger2._logEvent.level.value = methodValue;
-      send(methodLevel, logger._logEvent, val);
+      send(methodLevel, logger2._logEvent, val);
-      logger._logEvent = createLogEventShape(bindings);
+      logger2._logEvent = createLogEventShape(bindings);
     }
     function createLogEventShape(bindings) {
       return {
@@ -12224,7 +12224,7 @@ function v4(options, buf, offset) {
 var v4_default = v4;
 
 // src/TabbyAgent.ts
-var import_deep_equal = __toESM(require_deep_equal());
+var import_deep_equal2 = __toESM(require_deep_equal());
 var import_deepmerge = __toESM(require_cjs());
 
 // src/generated/index.ts
@@ -32327,6 +32327,46 @@ var CompletionCache = class {
   }
 };
 
+// src/postprocess.ts
+init_global();
+init_dirname();
+init_filename();
+init_buffer2();
+init_process2();
+var import_deep_equal = __toESM(require_deep_equal());
+var logger = rootLogger.child({ component: "Postprocess" });
+var removeDuplicateLines = (context) => {
+  return (input) => {
+    const suffix = context.text.slice(context.position);
+    const suffixLines = splitLines(suffix);
+    const inputLines = splitLines(input);
+    for (let index = Math.max(0, inputLines.length - suffixLines.length); index < inputLines.length; index++) {
+      if ((0, import_deep_equal.default)(inputLines.slice(index), suffixLines.slice(0, input.length - index))) {
+        logger.debug({ input, suffix, duplicateAt: index }, "Remove duplicate lines");
+        return input.slice(0, index);
+      }
+    }
+    return input;
+  };
+};
+var dropBlank = (input) => {
+  return isBlank(input) ? null : input;
+};
+var applyFilter = (filter2) => {
+  return async (response) => {
+    response.choices = (await Promise.all(
+      response.choices.map(async (choice) => {
+        choice.text = await filter2(choice.text);
+        return choice;
+      })
+    )).filter(Boolean);
+    return response;
+  };
+};
+async function postprocess(request2, response) {
+  return new Promise((resolve4) => resolve4(response)).then(applyFilter(removeDuplicateLines(request2))).then(applyFilter(dropBlank));
+}
+
 // src/TabbyAgent.ts
 var TabbyAgent = class extends EventEmitter {
   constructor() {
@@ -32338,7 +32378,7 @@ var TabbyAgent = class extends EventEmitter {
     this.onConfigUpdated();
   }
   onConfigUpdated() {
-    allLoggers.forEach((logger) => logger.level = this.config.logs.level);
+    allLoggers.forEach((logger2) => logger2.level = this.config.logs.level);
     this.api = new TabbyApi({ BASE: this.config.server.endpoint });
     this.ping();
   }
@@ -32403,14 +32443,14 @@ var TabbyAgent = class extends EventEmitter {
       this.updateConfig(params.config);
     }
     if (params.client) {
-      allLoggers.forEach((logger) => logger.setBindings && logger.setBindings({ client: params.client }));
+      allLoggers.forEach((logger2) => logger2.setBindings && logger2.setBindings({ client: params.client }));
     }
     this.logger.debug({ params }, "Initialized");
     return true;
   }
   updateConfig(config2) {
     const mergedConfig = (0, import_deepmerge.default)(this.config, config2);
-    if (!(0, import_deep_equal.default)(this.config, mergedConfig)) {
+    if (!(0, import_deep_equal2.default)(this.config, mergedConfig)) {
       this.config = mergedConfig;
       this.onConfigUpdated();
       const event = { event: "configUpdated", config: this.config };
@@ -32448,6 +32488,8 @@ var TabbyAgent = class extends EventEmitter {
     });
     return cancelable(
       promise.then((response) => {
+        return postprocess(request2, response);
+      }).then((response) => {
         this.completionCache.set(request2, response);
         return response;
       }),

clients/tabby-agent/src/TabbyAgent.ts

@@ -8,6 +8,7 @@ import { sleep, cancelable, splitLines, isBlank } from "./utils";
 import { Agent, AgentEvent, AgentInitOptions, CompletionRequest, CompletionResponse, LogEventRequest } from "./Agent";
 import { AgentConfig, defaultAgentConfig } from "./AgentConfig";
 import { CompletionCache } from "./CompletionCache";
+import { postprocess } from "./postprocess";
 import { rootLogger, allLoggers } from "./logger";
 
 export class TabbyAgent extends EventEmitter implements Agent {
@@ -150,7 +151,11 @@ export class TabbyAgent extends EventEmitter implements Agent {
       segments,
     });
     return cancelable(
-      promise.then((response: CompletionResponse) => {
+      promise
+        .then((response) => {
+          return postprocess(request, response);
+        })
+        .then((response) => {
           this.completionCache.set(request, response);
           return response;
         }),

clients/tabby-agent/src/postprocess.ts

@@ -0,0 +1,51 @@
+import { CompletionRequest, CompletionResponse } from "./Agent";
+import deepEqual from "deep-equal";
+import { isBlank, splitLines } from "./utils";
+import { rootLogger } from "./logger";
+
+type PostprocessContext = CompletionRequest;
+type PostprocessFilter = (item: string) => string | null | Promise<string | null>;
+
+const logger = rootLogger.child({ component: "Postprocess" });
+
+const removeDuplicateLines: (context: PostprocessContext) => PostprocessFilter = (context) => {
+  return (input) => {
+    const suffix = context.text.slice(context.position);
+    const suffixLines = splitLines(suffix);
+    const inputLines = splitLines(input);
+    for (let index = Math.max(0, inputLines.length - suffixLines.length); index < inputLines.length; index++) {
+      if (deepEqual(inputLines.slice(index), suffixLines.slice(0, input.length - index))) {
+        logger.debug({ input, suffix, duplicateAt: index }, "Remove duplicate lines");
+        return input.slice(0, index);
+      }
+    }
+    return input;
+  };
+};
+
+const dropBlank: PostprocessFilter = (input) => {
+  return isBlank(input) ? null : input;
+};
+
+const applyFilter = (filter: PostprocessFilter) => {
+  return async (response: CompletionResponse) => {
+    response.choices = (
+      await Promise.all(
+        response.choices.map(async (choice) => {
+          choice.text = await filter(choice.text);
+          return choice;
+        })
+      )
+    ).filter(Boolean);
+    return response;
+  };
+};
+
+export async function postprocess(
+  request: CompletionRequest,
+  response: CompletionResponse
+): Promise<CompletionResponse> {
+  return new Promise((resolve) => resolve(response))
+    .then(applyFilter(removeDuplicateLines(request)))
+    .then(applyFilter(dropBlank));
+}