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

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const tslib_1 = require("tslib");
const migrate_1 = require("@kosko/migrate");
const fs_1 = tslib_1.__importDefault(require("fs"));
const get_stdin_1 = tslib_1.__importDefault(require("get-stdin"));
const path_1 = require("path");
const util_1 = require("util");
const debug_1 = tslib_1.__importDefault(require("../cli/debug"));
const print_1 = require("../cli/print");
const debug = debug_1.default.extend("migrate");
const stat = util_1.promisify(fs_1.default.stat);
const readFile = util_1.promisify(fs_1.default.readFile);
const readDir = util_1.promisify(fs_1.default.readdir);
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 readFile(path, "utf8");
}
function readFilesInDir(dir) {
    return tslib_1.__awaiter(this, void 0, void 0, function* () {
        debug("Reading directory", dir);
        const files = yield readDir(dir);
        const contents = yield Promise.all(files.map(file => readFileString(path_1.join(dir, file))));
        return concatFiles(contents);
    });
}
function readFiles(cwd, files) {
    return Promise.all(files.map((file) => tslib_1.__awaiter(this, void 0, void 0, function* () {
        if (file === "-") {
            debug("Reading from stdin");
            return get_stdin_1.default();
        }
        const path = path_1.resolve(cwd, file);
        const stats = yield stat(path);
        return stats.isDirectory() ? readFilesInDir(path) : readFileString(path);
    })));
}
function toArray(input) {
    return Array.isArray(input) ? input : [input];
}
exports.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"));
    },
    handler(args) {
        return tslib_1.__awaiter(this, void 0, void 0, function* () {
            const file = concatFiles(yield readFiles(args.cwd, toArray(args.filename)));
            const content = migrate_1.migrateString(file);
            yield print_1.print(content);
        });
    }
};
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