grapi-cli/dist/commands/property/add.js

a cli tool to generate loopback 4 applications with extra features like caching & fuzzy search

import { Command, Flags } from '@oclif/core';
import { Project } from 'ts-morph';
import chalk from 'chalk';
import { processOptions, toKebabCase, execute } from '../../utils/index.js';
export default class PropertyAdd extends Command {
    static description = 'enable adding property to loopoback 4 models';
    static flags = {
        config: Flags.string({ char: 'c', description: 'Config JSON object' }),
        model: Flags.string({ char: 'n', description: 'name of the argument' }),
        properties: Flags.string({ char: 't', description: 'JSON object of properties to add' }),
    };
    async run() {
        const { flags } = await this.parse(PropertyAdd);
        const { properties, model } = processOptions(flags);
        const project = new Project({});
        const invokedFrom = process.cwd();
        project.addSourceFilesAtPaths(`${invokedFrom}/src/**/*.ts`);
        const modelPath = `${invokedFrom}/src/models/${toKebabCase(model)}.model.ts`;
        const modelFile = project.getSourceFile(modelPath);
        if (!modelFile) {
            throw new Error(`the ${model} model doesn't exist.`);
        }
        const modelClasses = modelFile.getClasses();
        if (!modelClasses.length) {
            throw new Error(`the ${model} model doesn't exist.`);
        }
        const classProperties = [];
        const modelClass = modelClasses[0];
        Object.keys(properties).forEach(key => {
            if (modelClass.getProperty(key)) {
                throw new Error(`the ${key} property already exist.`);
            }
            const property = properties[key];
            let type = property['type'];
            if (type === 'date') {
                type = 'string';
            }
            let argument = `type: '${property['type']}',`;
            if (property['id']) {
                argument += `\id: '${property['id']}',`;
            }
            if (property['generated']) {
                argument += `\generated: '${property['generated']}',`;
            }
            if (property['required']) {
                argument += `\nrequired: '${property['required']}',`;
            }
            if (property['default']) {
                argument += `\ndefault: '${property['default']}',`;
            }
            if (property['defaultFn']) {
                argument += `\ndefaultFn: '${property['defaultFn']}',`;
            }
            if (property['description']) {
                argument += `\ndescription: '${property['description']}',`;
            }
            if (property['doc']) {
                argument += `\ndoc: '${property['doc']}',`;
            }
            if (property['hidden']) {
                argument += `\nhidden: '${property['hidden']}',`;
            }
            if (property['index']) {
                argument += `\nindex: '${property['index']}',`;
            }
            const classProperty = {
                decorators: [{
                        name: 'property',
                        arguments: [`{${argument}}`]
                    }],
                name: key,
                type,
                hasQuestionToken: true
            };
            if (property['required']) {
                classProperty.hasQuestionToken = false;
            }
            classProperties.push(classProperty);
        });
        modelClass.addProperties(classProperties);
        modelClass.formatText();
        console.log(chalk.bold(chalk.blue('adding property.')));
        project.save();
        const command = 'npm run build && npm run migrate';
        let executed = await execute(command, 'building the project and migrating the newly created property.');
        if (executed.stderr)
            console.log(chalk.bold(chalk.green(executed.stderr)));
        if (executed.stdout)
            console.log(chalk.bold(chalk.green(executed.stdout)));
        console.log(chalk.bold(chalk.green('successfully migrated the newly created property.')));
    }
}