@graphql-codegen/cli/esm/init/helpers.js

<p align="center"> <img src="https://github.com/dotansimha/graphql-code-generator/blob/master/logo.png?raw=true" /> </p>

import { readFileSync, writeFileSync } from 'fs';
import { relative, resolve } from 'path';
import generate from '@babel/generator';
import template from '@babel/template';
import * as t from '@babel/types';
import chalk from 'chalk';
import detectIndent from 'detect-indent';
import { getLatestVersion } from '../utils/get-latest-version.js';
import { Tags } from './types.js';
function jsObjectToBabelObjectExpression(obj) {
    const objExp = t.objectExpression([]);
    for (const [key, val] of Object.entries(obj)) {
        if (Array.isArray(val)) {
            objExp.properties.push(t.objectProperty(/^[a-zA-Z0-9]+$/.test(key) ? t.identifier(key) : t.stringLiteral(key), t.arrayExpression(val.map(v => (typeof v === 'object' ? jsObjectToBabelObjectExpression(v) : t.valueToNode(v))))));
        }
        else {
            objExp.properties.push(t.objectProperty(/^[a-zA-Z0-9]+$/.test(key) ? t.identifier(key) : t.stringLiteral(key), typeof val === 'object' ? jsObjectToBabelObjectExpression(val) : t.valueToNode(val)));
        }
    }
    return objExp;
}
// Parses config and writes it to a file
export async function writeConfig(answers, config) {
    const YAML = await import('json-to-pretty-yaml').then(m => ('default' in m ? m.default : m));
    const ext = answers.config.toLocaleLowerCase().split('.')[1];
    const fullPath = resolve(process.cwd(), answers.config);
    const relativePath = relative(process.cwd(), answers.config);
    let content;
    if (ext === 'ts') {
        const buildRequire = template.statement(`%%config%%`);
        const ast = buildRequire({
            config: jsObjectToBabelObjectExpression(config),
        });
        content = `
import type { CodegenConfig } from '@graphql-codegen/cli';

const config: CodegenConfig = ${generate(ast).code.replace(/\(|\)/g, '')}

export default config;
`;
    }
    else {
        content = ext === 'json' ? JSON.stringify(config) : YAML.stringify(config);
    }
    writeFileSync(fullPath, content, 'utf8');
    return {
        relativePath,
        fullPath,
    };
}
// Updates package.json (script and plugins as dependencies)
export async function writePackage(answers, configLocation) {
    // script
    const pkgPath = resolve(process.cwd(), 'package.json');
    const pkgContent = readFileSync(pkgPath, 'utf8');
    const pkg = JSON.parse(pkgContent);
    const { indent } = detectIndent(pkgContent);
    pkg.scripts ||= {};
    pkg.scripts[answers.script] = `graphql-codegen --config ${configLocation}`;
    // plugin
    pkg.devDependencies ||= {};
    await Promise.all((answers.plugins || []).map(async (plugin) => {
        pkg.devDependencies[plugin.package] = await getLatestVersion(plugin.package);
    }));
    if (answers.introspection) {
        pkg.devDependencies['@graphql-codegen/introspection'] = await getLatestVersion('@graphql-codegen/introspection');
    }
    pkg.devDependencies['@graphql-codegen/cli'] = await getLatestVersion('@graphql-codegen/cli');
    if (answers.targets.includes(Tags.client)) {
        pkg.devDependencies['@graphql-codegen/client-preset'] = await getLatestVersion('@graphql-codegen/client-preset');
    }
    writeFileSync(pkgPath, JSON.stringify(pkg, null, indent));
}
export function bold(str) {
    return chalk.bold(str);
}
export function grey(str) {
    return chalk.grey(str);
}
export function italic(str) {
    return chalk.italic(str);
}