@kosko/cli/dist/commands/migrate.mjs

Organize Kubernetes manifests in JavaScript.

import { migrateString } from "@kosko/migrate";
import fs from "fs-extra";
import getStdin from "get-stdin";
import { join, resolve } from "path";
import Debug from "../cli/debug.mjs";
import { print } from "../cli/print.mjs";
const debug = Debug.extend("migrate");
function concatFiles(arr) {
    if (!arr.length)
        return "";
    let output = "";
    for (const s of arr) {
        if (!s.startsWith("---"))
            output += "---\n";
        output += s + "\n";
    }
    return output;
}
function readFileString(path) {
    debug("Reading file", path);
    return fs.readFile(path, "utf8");
}
async function readFilesInDir(dir) {
    debug("Reading directory", dir);
    const files = await fs.readdir(dir);
    const contents = await Promise.all(files.map((file) => readFileString(join(dir, file))));
    return concatFiles(contents);
}
function readFiles(cwd, files) {
    return Promise.all(files.map(async (file) => {
        if (file === "-") {
            debug("Reading from stdin");
            return getStdin();
        }
        const path = resolve(cwd, file);
        const stats = await fs.stat(path);
        return stats.isDirectory() ? readFilesInDir(path) : readFileString(path);
    }));
}
function toArray(input) {
    return Array.isArray(input) ? input : [input];
}
export const migrateCmd = {
    command: "migrate",
    describe: "Migrate YAML into components",
    builder(argv) {
        /* istanbul ignore next */
        return (argv
            // HACK: Don't set the type of filename option to "array" because yargs
            // can't parse `migrate -f -` properly.
            // Link: https://github.com/tommy351/kosko/issues/17
            .option("filename", {
            type: "string",
            describe: "File, directory to migrate",
            required: true,
            alias: "f"
        })
            .example("$0 migrate -f path/to/file", "Read from the path")
            .example("$0 migrate -f -", "Read from stdin"));
    },
    async handler(args) {
        const file = concatFiles(await readFiles(args.cwd, toArray(args.filename)));
        const content = await migrateString(file);
        await print(content);
    }
};
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