cdk-nextjs/lib/lambdas/assets-deployment/fs-to-s3.js

Deploy Next.js apps on AWS with CDK

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.s3 = void 0;
exports.fsToS3 = fsToS3;
exports.createS3Key = createS3Key;
const node_fs_1 = require("node:fs");
const node_path_1 = require("node:path");
// eslint-disable-next-line import/no-extraneous-dependencies
const client_s3_1 = require("@aws-sdk/client-s3");
// eslint-disable-next-line import/no-extraneous-dependencies
const lib_storage_1 = require("@aws-sdk/lib-storage");
// eslint-disable-next-line import/no-extraneous-dependencies
const mime = require("mime-types");
const common_1 = require("./common");
const constants_1 = require("../../constants");
const utils_1 = require("../utils");
exports.s3 = new client_s3_1.S3Client({});
async function fsToS3(props) {
    const { buildId, destinationBucketName, destinationKeyPrefix, nextjsType, sourcePath, } = props;
    const sourceFilePaths = (0, common_1.listFilePaths)(sourcePath);
    for await (const filePathChunk of (0, common_1.chunkArray)(sourceFilePaths, 100)) {
        const putObjectInputs = filePathChunk.map((path) => {
            const contentType = mime.lookup(path) || undefined;
            const key = createS3Key({
                keyPrefix: destinationKeyPrefix,
                path,
                basePath: sourcePath,
            });
            let body;
            if (path.includes(".next/static/chunks/main-app-") &&
                nextjsType === constants_1.NextjsType.GLOBAL_FUNCTIONS) {
                // see src/lambdas/assets-deployment/patch-fetch.js for why this is needed
                const mainAppFileContent = (0, node_fs_1.readFileSync)(path);
                const patchFetchContent = (0, node_fs_1.readFileSync)((0, node_path_1.join)(__dirname, "patch-fetch.js"))
                    .toString()
                    // remove "use strict" because it causes: Uncaught ReferenceError: _N_E is not defined
                    // since strict mode doesn't allow webpack to define undeclared variables
                    .replace('"use strict";', "");
                body = patchFetchContent + "\n" + mainAppFileContent;
            }
            else {
                body = (0, node_fs_1.createReadStream)(path);
            }
            return {
                Body: body,
                Bucket: destinationBucketName,
                ContentType: contentType,
                Key: key,
                Metadata: {
                    "next-build-id": buildId,
                },
            };
        });
        (0, utils_1.debug)(putObjectInputs.map((i) => ({
            bucket: i.Bucket,
            key: i.Key,
        })));
        await Promise.all(putObjectInputs.map((input) => new lib_storage_1.Upload({ client: exports.s3, params: input }).done()));
    }
}
/**
 * Create S3 Key given local path
 */
function createS3Key({ keyPrefix, path, basePath }) {
    const objectKeyParts = [];
    if (keyPrefix)
        objectKeyParts.push(keyPrefix);
    objectKeyParts.push((0, node_path_1.relative)(basePath, path));
    return (0, node_path_1.join)(...objectKeyParts);
}
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