added monaco code to public js folder and removed cdn

public/js/monaco/esm/vs/base/common/errorMessage.js

@@ -0,0 +1,68 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+import * as arrays from './arrays.js';
+import * as types from './types.js';
+import * as nls from '../../nls.js';
+function exceptionToErrorMessage(exception, verbose) {
+    if (verbose && (exception.stack || exception.stacktrace)) {
+        return nls.localize('stackTrace.format', "{0}: {1}", detectSystemErrorMessage(exception), stackToString(exception.stack) || stackToString(exception.stacktrace));
+    }
+    return detectSystemErrorMessage(exception);
+}
+function stackToString(stack) {
+    if (Array.isArray(stack)) {
+        return stack.join('\n');
+    }
+    return stack;
+}
+function detectSystemErrorMessage(exception) {
+    // Custom node.js error from us
+    if (exception.code === 'ERR_UNC_HOST_NOT_ALLOWED') {
+        return `${exception.message}. Please update the 'security.allowedUNCHosts' setting if you want to allow this host.`;
+    }
+    // See https://nodejs.org/api/errors.html#errors_class_system_error
+    if (typeof exception.code === 'string' && typeof exception.errno === 'number' && typeof exception.syscall === 'string') {
+        return nls.localize('nodeExceptionMessage', "A system error occurred ({0})", exception.message);
+    }
+    return exception.message || nls.localize('error.defaultMessage', "An unknown error occurred. Please consult the log for more details.");
+}
+/**
+ * Tries to generate a human readable error message out of the error. If the verbose parameter
+ * is set to true, the error message will include stacktrace details if provided.
+ *
+ * @returns A string containing the error message.
+ */
+export function toErrorMessage(error = null, verbose = false) {
+    if (!error) {
+        return nls.localize('error.defaultMessage', "An unknown error occurred. Please consult the log for more details.");
+    }
+    if (Array.isArray(error)) {
+        const errors = arrays.coalesce(error);
+        const msg = toErrorMessage(errors[0], verbose);
+        if (errors.length > 1) {
+            return nls.localize('error.moreErrors', "{0} ({1} errors in total)", msg, errors.length);
+        }
+        return msg;
+    }
+    if (types.isString(error)) {
+        return error;
+    }
+    if (error.detail) {
+        const detail = error.detail;
+        if (detail.error) {
+            return exceptionToErrorMessage(detail.error, verbose);
+        }
+        if (detail.exception) {
+            return exceptionToErrorMessage(detail.exception, verbose);
+        }
+    }
+    if (error.stack) {
+        return exceptionToErrorMessage(error, verbose);
+    }
+    if (error.message) {
+        return error.message;
+    }
+    return nls.localize('error.defaultMessage', "An unknown error occurred. Please consult the log for more details.");
+}