webmat/lib/cli.js

Formats your entire project with clang-format

"use strict";
/**
 * @license
 * Copyright (c) 2018 Google Inc. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * Code distributed by Google as part of this project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
 */
Object.defineProperty(exports, "__esModule", { value: true });
const fs = require("fs");
const path = require("path");
const util_1 = require("util");
const readFile = util_1.promisify(fs.readFile);
const CONFIG_FILENAME = 'formatconfig.json';
exports.DEFAULT_CONFIG_FILENAME = path.join(__dirname, '..', 'default_config.json');
/**
 * Resolves a user config against the default config. If the user config has the
 * `ignoreDefaults` flag, then it returns the user config. If not, then it
 * merges the user config with the default config.
 *
 * @param defaultConfig default_config.json parsed file contents.
 * @param userConfig user config (formatconfig.json) parsed file contents.
 */
function resolveConfigs(defaultConfig, userConfig) {
    let activeConfig = null;
    if (userConfig && userConfig.ignoreDefaultGlobs) {
        const style = {};
        if (defaultConfig) {
            Object.assign(style, defaultConfig.style);
        }
        Object.assign(style, userConfig.style);
        userConfig.style = style;
        return userConfig;
    }
    if (defaultConfig) {
        activeConfig = defaultConfig;
        if (userConfig) {
            activeConfig.include = activeConfig.include.concat(userConfig.include);
            activeConfig.exclude = activeConfig.exclude.concat(userConfig.exclude);
            Object.assign(activeConfig.style, userConfig.style);
        }
    }
    if (!activeConfig) {
        throw new Error(`Default config file could not be found at ${exports.DEFAULT_CONFIG_FILENAME}.`);
    }
    return activeConfig;
}
exports.resolveConfigs = resolveConfigs;
/**
 * Reads and parses a format config file.
 *
 * @param path path of the file to be parsed (defaults to formatconfig.json).
 */
async function readConfigFile(path = CONFIG_FILENAME) {
    let configContents;
    try {
        configContents = await readFile(path, 'utf8');
    }
    catch (e) {
        configContents = null;
    }
    const formatConfig = { include: [], exclude: [], ignoreDefaultGlobs: false, style: {} };
    if (configContents) {
        let parsedContents;
        try {
            parsedContents = JSON.parse(configContents);
        }
        catch (e) {
            throw new Error(`${CONFIG_FILENAME} is not valid JSON.` +
                '\n' + e);
        }
        if (parsedContents) {
            formatConfig.include = parsedContents.include || [];
            formatConfig.exclude = parsedContents.exclude || [];
            formatConfig.ignoreDefaultGlobs =
                parsedContents.ignoreDefaultGlobs || false;
            formatConfig.style = parsedContents.style || {};
        }
        return formatConfig;
    }
    return null;
}
exports.readConfigFile = readConfigFile;
//# sourceMappingURL=cli.js.map