somod-http-extension/build/lib/build.js

SOMOD middleware to intercept and validate Lambda event for AWS APIGateway

import { existsSync } from "fs";
import { readdir, mkdir, writeFile } from "fs/promises";
import { join } from "path";
import { PATH_BUILD, PATH_FUNCTIONS, PATH_SERVERLESS } from "./constants";
import { readYamlFileStore } from "nodejs-file-utils";
export const build = async (context) => {
    const functionsDir = join(context.dir, PATH_SERVERLESS, PATH_FUNCTIONS);
    if (!existsSync(functionsDir)) {
        // don't do anything if functionsDir does not exist
        return;
    }
    const httpYamlFiles = (await readdir(functionsDir)).filter(f => f.endsWith(".http.yaml"));
    const functionsBuildDir = join(context.dir, PATH_BUILD, PATH_SERVERLESS, PATH_FUNCTIONS);
    await mkdir(functionsBuildDir, { recursive: true });
    for (const httpYamlFile of httpYamlFiles) {
        const content = await readYamlFileStore(join(functionsDir, httpYamlFile));
        await writeFile(join(functionsBuildDir, httpYamlFile.substring(0, httpYamlFile.length - ".yaml".length) +
            ".json"), JSON.stringify(content));
    }
};