tp.Res preview

.gitignore

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+node_modules
+.vscode-test/
+*.vsix

.vscode/extensions.json

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+{
+	// See https://go.microsoft.com/fwlink/?LinkId=733558
+	// for the documentation about the extensions.json format
+	"recommendations": [
+		"dbaeumer.vscode-eslint",
+		"ms-vscode.extension-test-runner"
+	]
+}

.vscode/launch.json

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+// A launch configuration that launches the extension inside a new window
+// Use IntelliSense to learn about possible attributes.
+// Hover to view descriptions of existing attributes.
+// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+{
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"name": "Run Extension",
+			"type": "extensionHost",
+			"request": "launch",
+			"args": [
+				"--extensionDevelopmentPath=${workspaceFolder}"
+			]
+		}
+	]
+}

.vscodeignore

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+.vscode/**
+.vscode-test/**
+test/**
+.gitignore
+.yarnrc
+vsc-extension-quickstart.md
+**/jsconfig.json
+**/*.map
+**/eslint.config.mjs
+**/.vscode-test.*

eslint.config.mjs

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+import globals from "globals";
+
+export default [
+  {
+    files: ["**/*.js"],
+    languageOptions: {
+      globals: {
+        ...globals.commonjs,
+        ...globals.node,
+        ...globals.mocha,
+      },
+
+      ecmaVersion: 2022,
+      sourceType: "module",
+    },
+
+    rules: {
+      "no-const-assign": "warn",
+      "no-this-before-super": "warn",
+      "no-undef": "warn",
+      "no-unreachable": "warn",
+      "no-unused-vars": "warn",
+      "constructor-super": "warn",
+      "valid-typeof": "warn",
+    },
+  },
+];

extension.js

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+const vscode = require("vscode");
+const path = require("path");
+
+/**
+ * @param {vscode.ExtensionContext} context
+ */
+function activate(context) {
+  const disposable = vscode.languages.registerHoverProvider("python", {
+    /**
+     * @param {vscode.TextDocument} document
+     * @param {vscode.Position} position
+     * @param {vscode.CancellationToken} token
+     */
+    async provideHover(document, position, token) {
+      const { activeSignature, signatures } =
+        await vscode.commands.executeCommand(
+          "vscode.executeSignatureHelpProvider",
+          document.uri,
+          position
+        );
+      const { label, parameters, activeParameter } =
+        signatures[activeSignature];
+      const type_name = label
+        .substring(...parameters[activeParameter].label)
+        .split(":")
+        .at(-1)
+        .trim();
+      const type_list = type_name.split("|").map((x) => x.trim());
+      if (!type_list.includes("Res")) return;
+      const code_line = document.lineAt(position).text;
+      const res_range = document.getWordRangeAtPosition(position, /".*?"/);
+      // let start, end;
+      // for (start = position.character; start >= 0; --start)
+      //   if (code_line.charAt(start) == '"') break;
+      // for (end = position.character; end < code_line.length; ++end)
+      //   if (code_line.charAt(end) == '"') break;
+      // let res = code_line.substring(start + 1, end);
+      // console.log(document.getWordRangeAtPosition(position, /".*?"/));
+      let res = code_line.substring(
+        res_range.start.character + 1,
+        res_range.end.character - 1
+      );
+      console.log(res);
+      if (!res.endsWith(".jpg")) res += ".png";
+      const img_path = path.join(
+        vscode.workspace.workspaceFolders[0].uri.path,
+        "mower",
+        "resources",
+        res
+      );
+      const md = new vscode.MarkdownString(`![](file://${img_path})`);
+      return new vscode.Hover(md);
+    },
+  });
+
+  context.subscriptions.push(disposable);
+}
+
+function deactivate() {}
+
+module.exports = {
+  activate,
+  deactivate,
+};

jsconfig.json

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+{
+	"compilerOptions": {
+		"module": "Node16",
+		"target": "ES2022",
+		"checkJs": false,  /* Typecheck .js files. */
+		"lib": [
+			"ES2022"
+		]
+	},
+	"exclude": [
+		"node_modules"
+	]
+}

package.json

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+{
+  "name": "mower-ng-ext",
+  "displayName": "mower-ng ext",
+  "description": "Enhance mower-ng development experience",
+  "version": "0.0.1",
+  "engines": {
+    "vscode": "^1.97.0"
+  },
+  "categories": [
+    "Other"
+  ],
+  "activationEvents": [
+    "onLanguage:python"
+  ],
+  "main": "./extension.js",
+  "contributes": {},
+  "scripts": {
+    "lint": "eslint .",
+    "pretest": "npm run lint",
+    "test": "vscode-test"
+  },
+  "devDependencies": {
+    "@types/vscode": "^1.97.0",
+    "@types/mocha": "^10.0.10",
+    "@types/node": "20.x",
+    "eslint": "^9.19.0",
+    "@vscode/test-cli": "^0.0.10",
+    "@vscode/test-electron": "^2.4.1"
+  }
+}