lbundle/dist/helpers/get-ctx.mjs

Small zero-configuration bundler build on top of Rollup.js and SWC for NPM libraries

import path from 'path';
import fs from 'fs';
import merge from 'lodash.merge';
import { getDefaultOptions } from './get-default-options.mjs';
import { getLibOutputs } from './get-lib-outputs.mjs';
import { getBinOutput } from './get-bin-output.mjs';
import { isNil } from '../utils/checks.mjs';
import { getCSSFilename } from './get-css-filename.mjs';
import { pascalCase } from 'change-case';
import { isTs } from '../utils/is-ts.mjs';
import { isJsx } from '../utils/is-jsx.mjs';

const getCtx = async (baseOptions)=>{
    const options = merge(getDefaultOptions(), baseOptions);
    const pkgPath = path.resolve(options.cwd, 'package.json');
    const pkg = JSON.parse(await fs.promises.readFile(pkgPath, 'utf-8'));
    const tsconfigPath = path.resolve(options.cwd, 'tsconfig.json');
    const swcPath = path.resolve(options.cwd, '.swc');
    if (isNil(pkg.source) && isNil(pkg['bin:source'])) {
        throw new Error('[bundle] provide source entry for you library, set `package.json` `source` or `bin:source` field');
    }
    const isModule = pkg.type === 'module';
    const globalName = pascalCase(pkg.name);
    const cssFilename = getCSSFilename({
        pkg
    }) ?? 'index.css';
    const libOutputs = getLibOutputs({
        pkg,
        globalName,
        options,
        isModule,
        cssFilename
    });
    const binOutput = getBinOutput({
        pkg,
        options,
        isModule
    });
    const resolvedSource = pkg.source ? path.resolve(options.cwd, pkg.source) : undefined;
    const resolvedBinSource = pkg['bin:source'] ? path.resolve(options.cwd, pkg['bin:source']) : undefined;
    const ts = isTs(pkg);
    const jsx = isJsx(pkg);
    return {
        baseOptions: baseOptions,
        options: options,
        globalName,
        pkgPath,
        pkg,
        swcPath: fs.existsSync(swcPath) ? swcPath : undefined,
        tsconfigPath: fs.existsSync(tsconfigPath) ? tsconfigPath : undefined,
        isModule,
        resolvedSource,
        resolvedBinSource,
        isTs: ts,
        isJsx: jsx,
        libOutputs,
        binOutput,
        cssFilename
    };
};

export { getCtx };
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