isaacscript/dist/configFile.js

A command line tool for managing Isaac mods written in TypeScript.

import { fatalError, getJSONC, isFile, writeFile } from "complete-node";
import path from "node:path";
import { Config } from "./classes/Config.js";
import { getModsDirectory } from "./commands/init/getModsDirectory.js";
import { getSaveSlot } from "./commands/init/getSaveSlot.js";
import { CONFIG_FILE_NAME, CONFIG_FILE_PATH, CWD } from "./constants.js";
const NUM_INDENT_SPACES = 2;
export async function getConfigFromFile() {
    const existingConfig = await getExistingConfig();
    if (existingConfig !== undefined) {
        return existingConfig;
    }
    // No config file exists, so prompt the user for some information and create one.
    const modsDirectory = await getModsDirectory(undefined);
    const saveSlot = await getSaveSlot(undefined, false);
    const config = new Config(modsDirectory, saveSlot, false);
    createConfigFile(CWD, config);
    return config;
}
async function getExistingConfig() {
    if (!isFile(CONFIG_FILE_PATH)) {
        return undefined;
    }
    const config = await getJSONC(CONFIG_FILE_PATH);
    validateMandatoryConfigFields(config);
    return config;
}
/**
 * Even though some fields are always initialized in the class, it may not be necessarily exist in
 * the JSON file.
 */
function validateMandatoryConfigFields(config) {
    if (config["modsDirectory"] === undefined) {
        errorMissing("modsDirectory", "This should be equal to the directory where Isaac mods live on your system.");
    }
    if (config["saveSlot"] === undefined) {
        errorMissing("saveSlot", "This should be equal to the save slot that you test your mods on.");
    }
}
function errorMissing(field, description) {
    fatalError(`The "${CONFIG_FILE_NAME}" file is missing a "${field}" value. ${description} Please add it.`);
}
export function createConfigFile(projectPath, config) {
    const configFilePath = path.join(projectPath, CONFIG_FILE_NAME);
    const configContents = JSON.stringify(config, undefined, NUM_INDENT_SPACES);
    // Add a newline at the end to satisfy Prettier.
    const configContentsWithNewline = `${configContents}\n`;
    writeFile(configFilePath, configContentsWithNewline);
}
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