Workflow improvements

.prettierrc

@@ -0,0 +1,7 @@
+{
+  "trailingComma": "es5",
+  "tabWidth": 2,
+  "semi": true,
+  "singleQuote": true,
+  "endOfLine": "auto"
+}

package.json

@@ -7,6 +7,14 @@
   "engines": {
     "vscode": "^1.53.0"
   },
+  "scripts": {
+    "start": "nodemon ./src/index.ts",
+    "build": "ts-node ./src/index.ts",
+    "preview": "ts-node ./src/scripts/preview/index.ts",
+    "changelog": "changelog-machine --config changelog.config.json",
+    "preversion": "npm run preview && git add images/preview.png",
+    "version": "npm run changelog && git add CHANGELOG.md"
+  },
   "homepage": "https://github.com/PKief/vscode-material-product-icons/blob/master/README.md",
   "repository": {
     "url": "https://github.com/PKief/vscode-material-product-icons.git",
@@ -48,12 +56,5 @@
     "ts-node": "^10.4.0",
     "typescript": "^4.5.4",
     "webfont": "^11.2.26"
-  },
-  "scripts": {
-    "start": "nodemon ./src/index.ts",
-    "build": "ts-node ./src/index.ts",
-    "preview": "ts-node ./src/scripts/preview/index.ts",
-    "changelog": "changelog-machine --config changelog.config.json",
-    "version": "npm run changelog && git add CHANGELOG.md"
   }
 }

src/helpers/index.ts

@@ -1,5 +1,5 @@
 /** TitleCase all words in a string */
-export const toTitleCase = (str) => {
+export const toTitleCase = (str: string): string => {
   return str.replace(
     /\w\S*/g,
     (txt) => txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase()

src/helpers/screenshots.ts

@@ -1,5 +1,5 @@
-import * as path from "path";
-import * as puppeteer from "puppeteer";
+import * as path from 'path';
+import puppeteer from 'puppeteer';
 
 /**
  * Create a screenshot from an HTML file and save it as image.
@@ -8,7 +8,7 @@ import * as puppeteer from "puppeteer";
  */
 export const createScreenshot = async (filePath: string, fileName: string) => {
   try {
-    const htmlFilePath = path.join("file:", filePath);
+    const htmlFilePath = path.join('file:', filePath);
     const browser = await puppeteer.launch();
     const page = await browser.newPage();
     await page.setViewport({
@@ -27,6 +27,6 @@ export const createScreenshot = async (filePath: string, fileName: string) => {
     await browser.close();
   } catch (error) {
     console.error(error);
-    throw Error(error);
+    throw Error('An error occurred!');
   }
 };

src/scripts/preview/preview.ts

@@ -48,7 +48,7 @@ const createHTMLTableBodyRows = (items: IconDefinition[][]) => {
   return rows;
 };
 
-const createHTMLTable = (headRow, bodyRows) => `
+const createHTMLTable = (headRow: string, bodyRows: string) => `
     <table>
         ${headRow}
         ${bodyRows}

tsconfig.json

@@ -0,0 +1,23 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es6",
+    "outDir": "out",
+    "lib": ["es6", "dom"],
+    "strict": true,
+    "strictNullChecks": true,
+    "strictPropertyInitialization": true,
+    "noImplicitAny": true,
+    "sourceMap": true,
+    "rootDir": "src",
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true
+  },
+  "include": [
+    "src/**/*.ts",
+    "./node_modules/vscode/vscode.d.ts",
+    "./node_modules/vscode/lib/*"
+  ]
+}