stuff

node_modules/speech-rule-engine/mjs/common/debugger.js

@@ -0,0 +1,61 @@
+import { SystemExternal } from './system_external.js';
+export class Debugger {
+    static getInstance() {
+        Debugger.instance = Debugger.instance || new Debugger();
+        return Debugger.instance;
+    }
+    init(opt_file) {
+        if (opt_file) {
+            this.startDebugFile_(opt_file);
+        }
+        this.isActive_ = true;
+        return this.fileHandle;
+    }
+    output(...args) {
+        if (this.isActive_) {
+            this.output_(args);
+        }
+    }
+    generateOutput(func) {
+        if (this.isActive_) {
+            this.output_(func.apply(func, []));
+        }
+    }
+    exit(callback = () => { }) {
+        this.fileHandle.then(() => {
+            if (this.isActive_ && this.stream_) {
+                this.stream_.end('', '', callback);
+            }
+        });
+    }
+    constructor() {
+        this.isActive_ = false;
+        this.outputFunction_ = console.info;
+        this.fileHandle = Promise.resolve();
+        this.stream_ = null;
+    }
+    startDebugFile_(filename) {
+        this.fileHandle = SystemExternal.fs.promises.open(filename, 'w');
+        this.fileHandle = this.fileHandle.then((handle) => {
+            this.stream_ = handle.createWriteStream(filename);
+            this.outputFunction_ = function (...args) {
+                this.stream_.write(args.join(' '));
+                this.stream_.write('\n');
+            }.bind(this);
+            this.stream_.on('error', function (_error) {
+                console.info('Invalid log file. Debug information sent to console.');
+                this.outputFunction_ = console.info;
+            }.bind(this));
+            this.stream_.on('finish', function () {
+                console.info('Finalizing debug file.');
+            });
+        });
+    }
+    output_(outputList) {
+        if (console.info === this.outputFunction_) {
+            this.outputFunction_.apply(console, ['Speech Rule Engine Debugger:'].concat(outputList));
+            return;
+        }
+        this.fileHandle.then(() => this.outputFunction_.apply(this.outputFunction_, ['Speech Rule Engine Debugger:'].concat(outputList)));
+    }
+}