feat: new template system

BREAKING CHANGES:
- Omit {{author_full}} in favor of {{contact}}

Author: uetchy

README.md

@@ -44,7 +44,7 @@ Edit files inside `templates/default`. Text files will be passed through Mustach
 - `{{description}}` package description
 - `{{author}}` author name
 - `{{email}}` author email
-- `{{author_full}}` author name formatted with `{{name}} <{{email}}>` if email given, otherwise `{{name}}`
+- `{{contact}}` author name formatted with `{{name}} <{{email}}>` if email given, otherwise `{{name}}`
 - `{{license}}` package license (e.g. `MIT`)
 - `{{year}}` current year (e.g. `2020`)
 

package.json

@@ -11,17 +11,16 @@
   },
   "dependencies": {
     "@types/inquirer": "^6.5.0",
-    "@types/mustache": "^0.8.32",
     "@types/yargs-interactive": "^2.1.0",
     "chalk": "^2.4.2",
     "cross-spawn": "^7.0.0",
     "execa": "^2.0.5",
     "gitconfig": "^2.0.8",
     "globby": "^10.0.1",
+    "handlebars": "^4.4.2",
     "inquirer": "^7.0.0",
     "is-utf8": "^0.2.1",
     "license.js": "^3.1.2",
-    "mustache": "^3.1.0",
     "yargs-interactive": "^3.0.0"
   },
   "devDependencies": {

src/index.ts

@@ -9,23 +9,26 @@ import {makeLicenseSync, availableLicenses} from 'license.js';
 
 import {copy, getAvailableTemplates} from './template';
 
-export interface Config {
-  packageDir: string;
-  templateDir: string;
-  view: View;
-}
-
 export interface View {
+  name: string;
+  description: string;
   author: string;
   email: string;
-  description: string;
+  contact: string;
   license: string;
   [key: string]: string | number | boolean | any[];
 }
 
+export interface Config {
+  packageDir: string;
+  templateDir: string;
+  view: View;
+}
+
 export interface Options {
   extra?: Option;
   caveat?: string;
+  after?: () => void;
 }
 
 async function getGitUser() {
@@ -67,7 +70,7 @@ async function initGit(root: string) {
   await execa('git init', {shell: true, cwd: root});
 }
 
-function authorString(author: string, email?: string) {
+function getContact(author: string, email?: string) {
   return `${author}${email ? ` <${email}>` : ''}`;
 }
 
@@ -153,7 +156,7 @@ export async function create(
 
     const templateDir = path.resolve(templateRoot, args.template);
     const year = new Date().getFullYear();
-    const author_full = authorString(args.author, args.email);
+    const contact = getContact(args.author, args.email);
 
     if (!fs.existsSync(templateDir)) {
       throw new Error('No template found');
@@ -173,7 +176,7 @@ export async function create(
       ...filterdArgs,
       name,
       year,
-      author_full,
+      contact,
     };
 
     // copy files from template
@@ -189,7 +192,7 @@ export async function create(
       year,
       project: name,
       description: args.description,
-      organization: authorString(args.author, args.email),
+      organization: getContact(args.author, args.email),
     });
     const licenseText = license.header + license.text + license.warranty;
     fs.writeFileSync(path.resolve(packageDir, 'LICENSE'), licenseText);

src/template.ts

@@ -2,12 +2,59 @@ import fs from 'fs';
 import path from 'path';
 import globby from 'globby';
 import isUtf8 from 'is-utf8';
-import Mustache from 'mustache';
+import Handlebars from 'handlebars';
 import {Config} from '.';
 
+function trim(text: string) {
+  return text.replace(/[\r\n]/g, '');
+}
+Handlebars.registerHelper('trim', trim);
+
+function upper(text: string) {
+  return trim(text).toUpperCase();
+}
+Handlebars.registerHelper('upper', upper);
+
+function lower(text: string) {
+  return trim(text).toLowerCase();
+}
+Handlebars.registerHelper('lower', lower);
+
+function capital(text: string, options?: any) {
+  const space = options && options.hash && options.hash.space;
+  return trim(text)
+    .split(/[-_\s]+/)
+    .map((s) => s.charAt(0).toUpperCase() + s.slice(1).toLowerCase())
+    .join(space ? ' ' : '');
+}
+Handlebars.registerHelper('capital', capital);
+
+function camel(text: string) {
+  return capital(text).replace(/^./, (s) => s.toLowerCase());
+}
+Handlebars.registerHelper('camel', camel);
+
+function snake(text: string) {
+  return capital(text)
+    .replace(/(?<=([a-z](?=[A-Z])|[A-Za-z](?=[0-9])))(?=[A-Z0-9])/g, '_')
+    .toLowerCase();
+}
+Handlebars.registerHelper('snake', snake);
+
+function kebab(text: string) {
+  return snake(text).replace(/_/g, '-');
+}
+Handlebars.registerHelper('kebab', kebab);
+
+function format<T>(text: Buffer | string, view: T) {
+  const template = Handlebars.compile(text.toString());
+  return template(view);
+}
+
 function prepareDirectory(filePath: string) {
   try {
-    fs.mkdirSync(path.dirname(filePath), {recursive: true});
+    const target = path.dirname(filePath);
+    fs.mkdirSync(target, {recursive: true});
   } catch {}
 }
 
@@ -19,16 +66,16 @@ export async function copy(args: Config) {
   const templateFiles = await globby(args.templateDir, {dot: true});
   for (const sourcePath of templateFiles) {
     const relativePath = path.relative(args.templateDir, sourcePath);
-    const targetPath = path.resolve(args.packageDir, relativePath);
-
+    const targetPath = format(
+      path.resolve(args.packageDir, relativePath),
+      args.view,
+    );
     prepareDirectory(targetPath);
 
     let sourceData = fs.readFileSync(sourcePath);
     let targetData = sourceData;
     if (isUtf8(sourceData)) {
-      targetData = Buffer.from(
-        Mustache.render(sourceData.toString(), args.view),
-      );
+      targetData = Buffer.from(format(sourceData, args.view));
     }
     fs.writeFileSync(targetPath, targetData, 'utf-8');
   }

templates/default/README.md

@@ -1,9 +1,9 @@
-# {{name}}
+# {{capital name space=true}}
 
 > {{description}}
 
 ## Usage
 
 ```bash
-npx {{name}} <name>
+npx {{kebab name}} <name>
 ```

templates/default/package.json

@@ -1,11 +1,11 @@
 {
-  "name": "{{name}}",
+  "name": "{{kebab name}}",
   "description": "{{description}}",
   "version": "0.0.0",
   "dependencies": {
     "create-whatever": "^3.0.0"
   },
-  "author": "{{author_full}}",
+  "author": "{{contact}}",
   "license": "{{license}}",
   "bin": "src/cli.js",
   "files": [

templates/default/src/cli.js

@@ -8,4 +8,4 @@ const caveat = `This is a caveat!
 You can find this section in "src/cli.ts".
 `;
 
-create('{{name}}', templateRoot, {caveat});
+create('{{kebab name}}', templateRoot, {caveat});

templates/default/templates/default/README.md

@@ -1,5 +1,3 @@
-{{=<% %>=}}
-# {{name}}
+# \{{name}}
 
-{{description}}
-<%={{ }}=%>
+\{{description}}

templates/typescript/README.md

@@ -1,9 +1,9 @@
-# {{name}}
+# {{capital name space=true}}
 
 > {{description}}
 
 ## Usage
 
 ```bash
-npx {{name}} <name>
+npx {{kebab name}} <name>
 ```

templates/typescript/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "{{name}}",
+  "name": "{{kebab name}}",
   "description": "{{description}}",
   "version": "0.0.0",
   "scripts": {
@@ -13,7 +13,7 @@
     "shx": "^0.3.2",
     "typescript": "^3.6.3"
   },
-  "author": "{{author_full}}",
+  "author": "{{contact}}",
   "license": "{{license}}",
   "bin": "dist/cli.js",
   "files": [