open-next-cdk
Version:
Deploy a NextJS app using OpenNext packaging to serverless AWS using CDK
41 lines • 5.06 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.bundleFunction = exports.ESM_BUNDLE_DEFAULTS = void 0;
const fs = require("fs");
const os = require("os");
const path = require("path");
const path_1 = require("path");
const esbuild = require("esbuild");
exports.ESM_BUNDLE_DEFAULTS = {
format: 'esm',
mainFields: ['module', 'main'],
banner: {
// https://github.com/evanw/esbuild/issues/1921
js: `import { createRequire } from 'module'; const require = createRequire(import.meta.url);`,
},
};
/**
* Compile a function handler with esbuild.
* @returns bundle directory path
*/
function bundleFunction({ inputPath, outputPath, outputFilename, bundleOptions }) {
if (!outputPath) {
if (!outputFilename)
outputFilename = bundleOptions.format === 'esm' ? 'index.mjs' : 'index.js';
const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'nextjs-bundling-'));
outputPath = path.join(tempDir, outputFilename);
}
const esbuildResult = esbuild.buildSync({
...bundleOptions,
entryPoints: [inputPath],
outfile: outputPath,
});
if (esbuildResult.errors.length > 0) {
esbuildResult.errors.forEach((error) => console.error(error));
throw new Error('There was a problem bundling the function.');
}
// console.debug('Bundled ', inputPath, 'to', outputPath);
return path_1.dirname(outputPath);
}
exports.bundleFunction = bundleFunction;
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