🔀 Merge branch 'arpadgabor-feat/monaco'

package-lock.json

@@ -33010,6 +33010,31 @@
 				"moment": ">= 2.9.0"
 			}
 		},
+		"monaco-editor": {
+			"version": "0.29.1",
+			"resolved": "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.29.1.tgz",
+			"integrity": "sha512-rguaEG/zrPQSaKzQB7IfX/PpNa0qxF1FY8ZXRkN4WIl8qZdTQRSRJCtRto7IMcSgrU6H53RXI+fTcywOBC4aVw=="
+		},
+		"monaco-editor-webpack-plugin": {
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/monaco-editor-webpack-plugin/-/monaco-editor-webpack-plugin-5.0.0.tgz",
+			"integrity": "sha512-KrUUTmMO3lDCNK4honZ6rrrKjOI7FFLeyCktPetIo5HlRqr5dfE6ewaA9qNLH96XY7CekE3Z+v/+I6ufAs3ObA==",
+			"requires": {
+				"loader-utils": "^2.0.0"
+			},
+			"dependencies": {
+				"loader-utils": {
+					"version": "2.0.2",
+					"resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-2.0.2.tgz",
+					"integrity": "sha512-TM57VeHptv569d/GKh6TAYdzKblwDNiumOdkFnejjD0XwTH87K90w3O7AiJRqdQoXygvi1VQTJTLGhJl7WqA7A==",
+					"requires": {
+						"big.js": "^5.2.2",
+						"emojis-list": "^3.0.0",
+						"json5": "^2.1.2"
+					}
+				}
+			}
+		},
 		"mongodb": {
 			"version": "3.7.3",
 			"resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.7.3.tgz",

packages/editor-ui/package.json

@@ -27,6 +27,7 @@
   "dependencies": {
     "@fontsource/open-sans": "^4.5.0",
     "n8n-design-system": "~0.9.0",
+    "monaco-editor": "^0.29.1",
     "timeago.js": "^4.0.2",
     "v-click-outside": "^3.1.2",
     "vue-fragment": "^1.5.2",
@@ -75,6 +76,7 @@
     "lodash.get": "^4.4.2",
     "lodash.set": "^4.3.2",
     "n8n-workflow": "~0.80.0",
+    "monaco-editor-webpack-plugin": "^5.0.0",
     "normalize-wheel": "^1.0.1",
     "prismjs": "^1.17.1",
     "quill": "^2.0.0-dev.3",

packages/editor-ui/src/components/CodeEdit.vue

@@ -1,59 +1,247 @@
 <template>
-	<div v-if="dialogVisible">
-		<el-dialog :visible="dialogVisible" append-to-body :close-on-click-modal="false" width="80%" :title="`${$locale.baseText('codeEdit.edit')} ${$locale.nodeText().topParameterDisplayName(parameter)}`" :before-close="closeDialog">
-			<div class="ignore-key-press">
-				<n8n-input-label :label="$locale.nodeText().topParameterDisplayName(parameter)">
-					<div :class="$style.editor" @keydown.stop>
-						<prism-editor :lineNumbers="true" :code="value" :readonly="isReadOnly" @change="valueChanged" language="js"></prism-editor>
-					</div>
-				</n8n-input-label>
-			</div>
-		</el-dialog>
-	</div>
+	<el-dialog
+		visible
+		append-to-body
+		:close-on-click-modal="false"
+		width="80%"
+		:title="`${$locale.baseText('codeEdit.edit')} ${$locale.nodeText().topParameterDisplayName(parameter)}`"
+		:before-close="closeDialog"
+	>
+		<div class="text-editor-wrapper ignore-key-press">
+			<div ref="code" class="text-editor" @keydown.stop></div>
+		</div>
+	</el-dialog>
 </template>
 
 <script lang="ts">
-// @ts-ignore
-import PrismEditor from 'vue-prism-editor';
+import * as monaco from 'monaco-editor/esm/vs/editor/editor.api';
 
 import { genericHelpers } from '@/components/mixins/genericHelpers';
+import { workflowHelpers } from '@/components/mixins/workflowHelpers';
 
 import mixins from 'vue-typed-mixins';
+import { IExecutionResponse, INodeUi } from '@/Interface';
+import {
+	IBinaryKeyData,
+	IDataObject,
+	INodeExecutionData,
+	IRunExecutionData,
+	IWorkflowDataProxyAdditionalKeys,
+	WorkflowDataProxy,
+} from 'n8n-workflow';
+
+import {
+	PLACEHOLDER_FILLED_AT_EXECUTION_TIME,
+} from '@/constants';
 
 export default mixins(
 	genericHelpers,
-)
-	.extend({
-		name: 'CodeEdit',
-		props: [
-			'dialogVisible',
-			'parameter',
-			'value',
-		],
-		components: {
-			PrismEditor,
+	workflowHelpers,
+).extend({
+	name: 'CodeEdit',
+	props: ['codeAutocomplete', 'parameter', 'type', 'value'],
+	data() {
+		return {
+			monacoInstance: null as monaco.editor.IStandaloneCodeEditor | null,
+			monacoLibrary: null as monaco.IDisposable | null,
+		};
+	},
+	mounted() {
+		setTimeout(this.loadEditor);
+	},
+	destroyed() {
+		if (this.monacoLibrary) {
+			this.monacoLibrary.dispose();
+		}
+	},
+	methods: {
+		closeDialog() {
+			// Handle the close externally as the visible parameter is an external prop
+			// and is so not allowed to be changed here.
+			this.$emit('closeDialog');
+			return false;
 		},
-		data () {
-			return {
-			};
-		},
-		methods: {
-			valueChanged (value: string) {
-				this.$emit('valueChanged', value);
-			},
 
-			closeDialog () {
-				// Handle the close externally as the visible parameter is an external prop
-				// and is so not allowed to be changed here.
-				this.$emit('closeDialog');
-				return false;
-			},
+		createSimpleRepresentation(inputData: object | null | undefined | boolean | string | number | boolean[] | string[] | number[] | object[]): object | null | undefined | boolean | string | number | boolean[] | string[] | number[] | object[] {
+			if (inputData === null || inputData === undefined) {
+				return inputData;
+			} else if (typeof inputData === 'string') {
+				return '';
+			} else if (typeof inputData === 'boolean') {
+				return true;
+			} else if (typeof inputData === 'number') {
+				return 1;
+			} else if (Array.isArray(inputData)) {
+				return inputData.map(value => this.createSimpleRepresentation(value));
+			} else if (typeof inputData === 'object') {
+				const returnData: { [key: string]: object } = {};
+				Object.keys(inputData).forEach(key => {
+					// @ts-ignore
+					returnData[key] = this.createSimpleRepresentation(inputData[key]);
+				});
+				return returnData;
+			}
+			return inputData;
 		},
-	});
+
+		loadEditor() {
+			if (!this.$refs.code) return;
+
+			this.monacoInstance = monaco.editor.create(this.$refs.code as HTMLElement, {
+				value: this.value,
+				language: this.type === 'code' ? 'javascript' : 'json',
+				tabSize: 2,
+				wordBasedSuggestions: false,
+				readOnly: this.isReadOnly,
+				minimap: {
+					enabled: false,
+				},
+			});
+
+
+			this.monacoInstance.onDidChangeModelContent(() => {
+				const model = this.monacoInstance!.getModel();
+				if (model) {
+					this.$emit('valueChanged', model.getValue());
+				}
+			});
+
+			monaco.editor.defineTheme('n8nCustomTheme', {
+				base: 'vs',
+				inherit: true,
+				rules: [],
+				colors: {
+					'editor.background': '#f5f2f0',
+				},
+			});
+			monaco.editor.setTheme('n8nCustomTheme');
+
+			if (this.type === 'code') {
+				// As wordBasedSuggestions: false does not have any effect does it however seem
+				// to remove all all suggestions from the editor if I do this
+				monaco.languages.typescript.javascriptDefaults.setCompilerOptions({
+					allowNonTsExtensions: true,
+				});
+
+				this.loadAutocompleteData();
+			} else if (this.type === 'json') {
+				monaco.languages.json.jsonDefaults.setDiagnosticsOptions({
+					validate: true,
+				});
+			}
+		},
+
+		loadAutocompleteData(): void {
+			if (['function', 'functionItem'].includes(this.codeAutocomplete)) {
+				const itemIndex = 0;
+				const inputName = 'main';
+				const mode = 'manual';
+				let runIndex = 0;
+
+				const executedWorkflow: IExecutionResponse | null = this.$store.getters.getWorkflowExecution;
+				const workflow = this.getWorkflow();
+				const activeNode: INodeUi | null = this.$store.getters.activeNode;
+				const parentNode = workflow.getParentNodes(activeNode!.name, inputName, 1);
+				const inputIndex = workflow.getNodeConnectionOutputIndex(activeNode!.name, parentNode[0]) || 0;
+
+				const autocompleteData: string[] = [];
+
+				const executionData = this.$store.getters.getWorkflowExecution as IExecutionResponse | null;
+
+				let runExecutionData: IRunExecutionData;
+				if (executionData === null) {
+					runExecutionData = {
+						resultData: {
+							runData: {},
+						},
+					};
+				} else {
+					runExecutionData = executionData.data;
+					if (runExecutionData.resultData.runData[activeNode!.name]) {
+						runIndex = runExecutionData.resultData.runData[activeNode!.name].length - 1;
+					}
+				}
+
+				const connectionInputData = this.connectionInputData(parentNode, inputName, runIndex, inputIndex);
+
+				const additionalProxyKeys: IWorkflowDataProxyAdditionalKeys = {
+					$executionId: PLACEHOLDER_FILLED_AT_EXECUTION_TIME,
+					$resumeWebhookUrl: PLACEHOLDER_FILLED_AT_EXECUTION_TIME,
+				};
+
+				const dataProxy = new WorkflowDataProxy(workflow, runExecutionData, runIndex, itemIndex, activeNode!.name, connectionInputData || [], {}, mode, additionalProxyKeys);
+				const proxy = dataProxy.getDataProxy();
+
+				const autoCompleteItems = [
+					`function $evaluateExpression(expression: string, itemIndex?: number): any {};`,
+					`function getNodeParameter(parameterName: string, itemIndex: number, fallbackValue?: any): any {};`,
+					`function getWorkflowStaticData(type: string): object {};`,
+					`function $item(itemIndex: number, runIndex?: number) {};`,
+					`function $items(nodeName?: string, outputIndex?: number, runIndex?: number) {};`,
+				];
+
+				const baseKeys = ['$env', '$executionId', '$mode', '$parameter', '$position', '$resumeWebhookUrl', '$workflow'];
+				const additionalKeys = ['$json', '$binary'];
+				if (executedWorkflow && connectionInputData && connectionInputData.length) {
+					baseKeys.push(...additionalKeys);
+				} else {
+					additionalKeys.forEach(key => {
+						autoCompleteItems.push(`const ${key} = {}`);
+					});
+				}
+
+				for (const key of baseKeys) {
+					autoCompleteItems.push(`const ${key} = ${JSON.stringify(this.createSimpleRepresentation(proxy[key]))}`);
+				}
+
+				// Add the nodes and their simplified data
+				const nodes: {
+					[key: string]: INodeExecutionData;
+				} = {};
+				for (const [nodeName, node] of Object.entries(workflow.nodes)) {
+					// To not load to much data create a simple representation.
+					nodes[nodeName] = {
+						json: {} as IDataObject,
+						parameter: this.createSimpleRepresentation(proxy.$node[nodeName].parameter) as IDataObject,
+					};
+
+					try {
+						nodes[nodeName]!.json = this.createSimpleRepresentation(proxy.$node[nodeName].json) as IDataObject;
+						nodes[nodeName]!.context = this.createSimpleRepresentation(proxy.$node[nodeName].context) as IDataObject;
+						nodes[nodeName]!.runIndex = proxy.$node[nodeName].runIndex;
+						if (Object.keys(proxy.$node[nodeName].binary).length) {
+							nodes[nodeName]!.binary = this.createSimpleRepresentation(proxy.$node[nodeName].binary) as IBinaryKeyData;
+						}
+					} catch(error) {}
+				}
+				autoCompleteItems.push(`const $node = ${JSON.stringify(nodes)}`);
+
+				if (this.codeAutocomplete === 'function') {
+					if (connectionInputData) {
+						autoCompleteItems.push(`const items = ${JSON.stringify(this.createSimpleRepresentation(connectionInputData))}`);
+					} else {
+						autoCompleteItems.push(`const items: {json: {[key: string]: any}}[] = []`);
+					}
+				} else if (this.codeAutocomplete === 'functionItem') {
+					if (connectionInputData) {
+						autoCompleteItems.push(`const item = $json`);
+					} else {
+						autoCompleteItems.push(`const item: {[key: string]: any} = {}`);
+					}
+				}
+
+				this.monacoLibrary = monaco.languages.typescript.javascriptDefaults.addExtraLib(
+					autoCompleteItems.join('\n'),
+				);
+			}
+		},
+	},
+});
 </script>
 
-<style lang="scss" module>
-.editor {
-	font-size: var(--font-size-s);
+<style scoped>
+
+.text-editor {
+	min-height: 30rem;
 }
 </style>

packages/editor-ui/src/components/ParameterInput.vue

@@ -13,7 +13,7 @@
 		/>
 
 		<div v-else-if="['json', 'string'].includes(parameter.type) || remoteParameterOptionsLoadingIssues !== null">
-			<code-edit :dialogVisible="codeEditDialogVisible" :value="value" :parameter="parameter" @closeDialog="closeCodeEditDialog" @valueChanged="expressionUpdated"></code-edit>
+			<code-edit v-if="codeEditDialogVisible" :value="value" :parameter="parameter" :type="editorType" :codeAutocomplete="codeAutocomplete" @closeDialog="closeCodeEditDialog" @valueChanged="expressionUpdated"></code-edit>
 			<text-edit :dialogVisible="textEditDialogVisible" :value="value" :parameter="parameter" @closeDialog="closeTextEditDialog" @valueChanged="expressionUpdated"></text-edit>
 
 			<div v-if="isEditor === true" class="code-edit clickable" @click="displayEditDialog()">
@@ -300,6 +300,9 @@ export default mixins(
 			},
 		},
 		computed: {
+			codeAutocomplete (): string | undefined {
+				return this.getArgument('codeAutocomplete') as string | undefined;
+			},
 			showExpressionAsTextInput(): boolean {
 				const types = ['number', 'boolean', 'dateTime', 'options', 'multiOptions'];
 
@@ -499,7 +502,7 @@ export default mixins(
 				return this.parameter.default === this.value;
 			},
 			isEditor (): boolean {
-				return this.getArgument('editor') === 'code';
+				return ['code', 'json'].includes(this.editorType);
 			},
 			isValueExpression () {
 				if (this.parameter.noDataExpression === true) {
@@ -510,6 +513,9 @@ export default mixins(
 				}
 				return false;
 			},
+			editorType (): string {
+				return this.getArgument('editor') as string;
+			},
 			parameterOptions (): INodePropertyOptions[] {
 				if (this.remoteMethod === undefined) {
 					// Options are already given

packages/editor-ui/vue.config.js

@@ -1,3 +1,5 @@
+const MonacoWebpackPlugin = require('monaco-editor-webpack-plugin');
+
 module.exports = {
 	chainWebpack: config => {
 		config.resolve.symlinks(false);
@@ -22,6 +24,9 @@ module.exports = {
 		devServer: {
 			disableHostCheck: true,
 		},
+		plugins: [
+			new MonacoWebpackPlugin({ languages: ['javascript', 'json', 'typescript'] }),
+		],
 	},
 	css: {
 		loaderOptions: {
@@ -32,5 +37,5 @@ module.exports = {
 			},
 		},
 	},
-	publicPath: process.env.VUE_APP_PUBLIC_PATH ? process.env.VUE_APP_PUBLIC_PATH : '/',
+	publicPath: process.env.VUE_APP_PUBLIC_PATH && process.env.VUE_APP_PUBLIC_PATH !== '/%BASE_PATH%/' ? process.env.VUE_APP_PUBLIC_PATH : '/',
 };

packages/nodes-base/nodes/ExecuteWorkflow/ExecuteWorkflow.node.ts

@@ -107,7 +107,7 @@ export class ExecuteWorkflow implements INodeType {
 				type: 'string',
 				typeOptions: {
 					alwaysOpenEditWindow: true,
-					editor: 'code',
+					editor: 'json',
 					rows: 10,
 				},
 				displayOptions: {

packages/nodes-base/nodes/Function/Function.node.ts

@@ -28,6 +28,7 @@ export class Function implements INodeType {
 				name: 'functionCode',
 				typeOptions: {
 					alwaysOpenEditWindow: true,
+					codeAutocomplete: 'function',
 					editor: 'code',
 					rows: 10,
 				},
@@ -101,7 +102,7 @@ return items;`,
 
 		try {
 			// Execute the function code
-			items = (await vm.run(`module.exports = async function() {${functionCode}}()`, __dirname));
+			items = (await vm.run(`module.exports = async function() {${functionCode}\n}()`, __dirname));
 			// Do very basic validation of the data
 			if (items === undefined) {
 				throw new NodeOperationError(this.getNode(), 'No data got returned. Always return an Array of items!');
@@ -126,6 +127,18 @@ return items;`,
 			if (this.continueOnFail()) {
 				items=[{json:{ error: error.message }}];
 			} else {
+				// Try to find the line number which contains the error and attach to error message
+				const stackLines = error.stack.split('\n');
+				if (stackLines.length > 0) {
+					const lineParts = stackLines[1].split(':');
+					if (lineParts.length > 2) {
+						const lineNumber = lineParts.splice(-2, 1);
+						if (!isNaN(lineNumber)) {
+							error.message = `${error.message} [Line ${lineNumber}]`;
+						}
+					}
+				}
+
 				return Promise.reject(error);
 			}
 		}

packages/nodes-base/nodes/FunctionItem/FunctionItem.node.ts

@@ -30,6 +30,7 @@ export class FunctionItem implements INodeType {
 				name: 'functionCode',
 				typeOptions: {
 					alwaysOpenEditWindow: true,
+					codeAutocomplete: 'functionItem',
 					editor: 'code',
 					rows: 10,
 				},
@@ -113,12 +114,27 @@ return item;`,
 				let jsonData: IDataObject;
 				try {
 					// Execute the function code
-					jsonData = await vm.run(`module.exports = async function() {${functionCode}}()`, __dirname);
+					jsonData = await vm.run(`module.exports = async function() {${functionCode}\n}()`, __dirname);
 				} catch (error) {
 					if (this.continueOnFail()) {
 						returnData.push({json:{ error: error.message }});
 						continue;
 					} else {
+						// Try to find the line number which contains the error and attach to error message
+						const stackLines = error.stack.split('\n');
+						if (stackLines.length > 0) {
+							const lineParts = stackLines[1].split(':');
+							if (lineParts.length > 2) {
+								const lineNumber = lineParts.splice(-2, 1);
+								if (!isNaN(lineNumber)) {
+									error.message = `${error.message} [Line ${lineNumber} | Item Index: ${itemIndex}]`;
+									return Promise.reject(error);
+								}
+							}
+						}
+
+						error.message = `${error.message} [Item Index: ${itemIndex}]`;
+
 						return Promise.reject(error);
 					}
 				}

packages/workflow/src/Interfaces.ts

@@ -631,10 +631,13 @@ export type NodePropertyTypes =
 	| 'options'
 	| 'string';
 
-export type EditorTypes = 'code';
+export type CodeAutocompleteTypes = 'function' | 'functionItem';
+
+export type EditorTypes = 'code' | 'json';
 
 export interface INodePropertyTypeOptions {
 	alwaysOpenEditWindow?: boolean; // Supported by: string
+	codeAutocomplete?: CodeAutocompleteTypes; // Supported by: string
 	editor?: EditorTypes; // Supported by: string
 	loadOptionsDependsOn?: string[]; // Supported by: options
 	loadOptionsMethod?: string; // Supported by: options
@@ -849,6 +852,7 @@ export interface IWebhookDescription {
 }
 
 export interface IWorkflowDataProxyData {
+	[key: string]: any;
 	$binary: any;
 	$data: any;
 	$env: any;

packages/workflow/src/WorkflowDataProxy.ts

@@ -92,6 +92,12 @@ export class WorkflowDataProxy {
 
 					return Reflect.ownKeys(target);
 				},
+				getOwnPropertyDescriptor(k) {
+					return {
+						enumerable: true,
+						configurable: true,
+					};
+				},
 				get(target, name, receiver) {
 					// eslint-disable-next-line no-param-reassign
 					name = name.toString();
@@ -142,6 +148,12 @@ export class WorkflowDataProxy {
 			ownKeys(target) {
 				return Reflect.ownKeys(target);
 			},
+			getOwnPropertyDescriptor(k) {
+				return {
+					enumerable: true,
+					configurable: true,
+				};
+			},
 			get(target, name, receiver) {
 				name = name.toString();
 
@@ -385,6 +397,15 @@ export class WorkflowDataProxy {
 		return new Proxy(
 			{},
 			{
+				ownKeys(target) {
+					return allowedValues;
+				},
+				getOwnPropertyDescriptor(k) {
+					return {
+						enumerable: true,
+						configurable: true,
+					};
+				},
 				get(target, name, receiver) {
 					if (!allowedValues.includes(name.toString())) {
 						throw new Error(`The key "${name.toString()}" is not supported!`);