feat: add command: generate

Author: enxg

src/commands/generate.ts

@@ -0,0 +1,59 @@
+import { CreateFileFromTemplate } from '#functions';
+import { Command, flags } from '@oclif/command';
+import { blueBright, red } from 'chalk';
+import FindUp from 'find-up';
+import { existsSync } from 'fs';
+import { readFile } from 'fs/promises';
+import ora from 'ora';
+import { join } from 'path';
+
+export default class Generate extends Command {
+	public async run() {
+		const { args } = this.parse(Generate);
+
+		const spinner = ora(`Creating a ${args.component.toLowerCase()}`).start();
+
+		const configLoc = await FindUp('.sapphirerc.json', { cwd: '.' });
+		if (!configLoc) return;
+		const config = JSON.parse(await readFile(configLoc, 'utf8'));
+		if (!config) return;
+
+		await this.createComponent(args.component, args.name, config, configLoc.replace('.sapphirerc.json', '')).catch((err) => {
+			spinner.fail();
+			console.log(red(err.message));
+			process.exit(1);
+		});
+		spinner.succeed();
+		return console.log(blueBright('Done!'));
+	}
+
+	private createComponent(component: string, name: string, config: any, configLoc: string) {
+		return new Promise(async (resolve, reject) => {
+			const { projectLanguage } = config;
+			if (!projectLanguage) return reject(new Error("There is no 'projectLanguage' field in .sapphirerc.json"));
+			const template = `${component.toLowerCase()}.${projectLanguage}.sapphire`;
+
+			const corePath = `${__dirname}/../../templates/components/${template}`;
+			const userPath = config.customFileTemplates.enabled ? join(configLoc, config.customFileTemplates.location, template) : null;
+			const target = join(configLoc, config.locations.base, '%L%', `${name}.${projectLanguage}`);
+
+			if (userPath && existsSync(userPath)) {
+				return CreateFileFromTemplate(userPath, target, config, { name }, true, true).then(resolve).catch(reject);
+			} else if (existsSync(corePath)) {
+				return CreateFileFromTemplate(`components/${template}`, target, config, { name }, false, true).then(resolve).catch(reject);
+			}
+			return reject(new Error("Can't find the template."));
+		});
+	}
+
+	public static description = 'generate a component (command, listener, etc.)';
+
+	public static flags = {
+		help: flags.help({ char: 'h' })
+	};
+
+	public static args = [
+		{ name: 'component', required: true },
+		{ name: 'name', required: true }
+	];
+}