Merge pull request #1078 from nwokafor-choongsaeng/cli-util

morphir init

.gitignore

@@ -16,6 +16,7 @@ cli/index.html
 lib/geneated
 cadl-Frontend/cadl-output
 Morphir.Elm.CLI.js
+Morphir.Elm.Generator.js
 docs.json
 /.coverage/
 tests-integration/reference-model/Dockerfile

cli2/morphir-init.ts

@@ -0,0 +1,150 @@
+import FileSystemModule from 'fs'
+import chalk from 'chalk'
+import path from 'path'
+import { promisify } from 'util'
+import { Command } from 'commander'
+import inquirer, { Answers, Question } from 'inquirer'
+
+const exists = promisify(FileSystemModule.exists)
+const writeFile = promisify(FileSystemModule.writeFile)
+const readFile = promisify(FileSystemModule.readFile)
+const mkdir = promisify(FileSystemModule.mkdir)
+
+interface InitAnswers extends Answers {
+	name: string
+	type: string
+	dir: string
+}
+
+interface CreateDirAnswer extends Answers {
+	shouldCreate: boolean
+}
+
+const program = new Command()
+program
+	.name('morphir init')
+	.description('Launches an interactive session to initialize a new morphir project.')
+	.parse(process.argv)
+
+console.log(chalk.blue('-- NEW MORPHIR PROJECT ---------------------------------------\n'))
+
+console.log("I'll create a new morphir project for you, you just need to provide some details.\n")
+inquirer
+	.prompt<InitAnswers>([
+		{
+			type: 'list',
+			name: 'type',
+			message: 'Select project type',
+			choices: ['Business Model', 'Decoration Schema'],
+			default: 0
+		},
+		{
+			type: 'input',
+			name: 'name',
+			message: 'Project Name (no spaces)',
+			default: 'Demo',
+			validate(input: string) {
+				// prevent spaces, leading digits and a leading lowercase.
+				if (input.includes(' '))
+					return `You can't have spaces in there. You could try: ${getSuggestions(input)}`
+				if (input.match(/^\d/)) return `Project name can't start with a number`
+				if (input[0] === input[0].toLowerCase()) return `It can't start with a lowercase character`
+				return true
+			}
+		},
+		{
+			type: 'input',
+			name: 'dir',
+			message: 'Where do you want to create it? (use `.` for current directory)',
+			default(answer: { name: string }) {
+				return `./${answer.name}`
+			}
+		}
+	])
+	.then(async (answers: InitAnswers) => {
+		const { name, dir } = answers
+
+		console.log()
+		console.log(chalk.blue(`Creating your new morphir project\n`))
+
+		const projectPath = path.resolve(dir)
+
+		// check if there's a morphir.json at the directory
+		if (await exists(path.join(projectPath, 'morphir.json'))) {
+			console.log(chalk.blue(`The path you specified already contains a morphir project. Exiting.`))
+			process.exit(0)
+		}
+
+		// ask to create a new dir if it doesn't exist
+		if (!(await exists(projectPath))) {
+			try {
+				const { shouldCreate }: CreateDirAnswer = await inquirer.prompt<CreateDirAnswer>([
+					{
+						type: 'confirm',
+						message: `The directory you provided doesn't exist. Do you want me to create a new directory at\n"${projectPath}"?`,
+						name: 'shouldCreate',
+						default: false
+					}
+				])
+
+				if (shouldCreate) await mkdir(projectPath)
+				else {
+					console.log(
+						chalk.blue(
+							'Cannot create new project because the specified directory does not exists. Exiting.'
+						)
+					)
+					process.exit(0)
+				}
+			} catch (e: unknown) {
+				console.log(chalk.red(`Failed to create directory: ${projectPath}`))
+				console.error(e)
+				process.exit(1)
+			}
+		}
+
+		// create the the morphir.json
+		const morphirJson = JSON.stringify(
+			{
+				name: name,
+				sourceDirectory: 'src'
+			},
+			null,
+			4
+		)
+		const morphirJsonPath = path.join(projectPath, 'morphir.json')
+		try {
+			await writeFile(morphirJsonPath, morphirJson)
+		} catch (error) {
+			console.log(chalk.red(`Could not create morphir.json`))
+			console.error(error)
+			process.exit(1)
+		}
+
+		// create the src directory
+		const srcDir = path.join(projectPath, 'src')
+		try {
+			mkdir(srcDir)
+		} catch (error) {
+			console.log(chalk.red(`Failed to create directory: ${srcDir}`))
+			console.error(error)
+			process.exit(1)
+		}
+
+		console.log()
+		console.log(chalk.blue('-- ALL DONE --------------------------------------------------\n'))
+	})
+
+/**
+ * Creates suggestions for use based on their inputs.
+ * Performs some basic string cleanup before creating combinations.
+ *
+ * @param input original user input
+ * @returns comma separated string of suggestions.
+ */
+function getSuggestions(input: string): string {
+	const noLeadingDigits = input.replace(/^(\d*\s*\d*)/, '').trim()
+	const capitalized = noLeadingDigits[0].toUpperCase() + noLeadingDigits.substring(1)
+	const suggestions = new Set([capitalized.replace(' ', ''), capitalized.replace(' ', '.')])
+	return [...suggestions].join(', ')
+}

cli2/morphir.ts

@@ -17,4 +17,5 @@ program
     .command('dockerize', 'Creates a docker image of a Morphir IR and Morphir Develop')
     .command('test-coverage', 'Generates report on number of branches in a Morphir value and TestCases covered')
     .command('generate-test-data', 'Creates a docker image of a Morphir IR and Morphir Develop')
+    .command('init', 'Launches an interactive session to initialize a new morphir project.')
     .parse(process.argv)