@weex-cli/generator/lib/options.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const path = require("path");
const metadata = require("read-metadata");
const fs = require("fs");
const gituser_1 = require("./utils/gituser");
const validateName = require("validate-npm-package-name");
const exists = fs.existsSync;
/**
 * Read prompts metadata.
 *
 * @param {String} dir
 * @return {Object}
 */
function options(name, dir, opt) {
    const opts = getMetadata(dir);
    setDefault(opts, 'name', name);
    setValidateName(opts);
    const author = gituser_1.default();
    if (author) {
        setDefault(opts, 'author', author);
    }
    for (const key in opt) {
        setDefault(opts, key, opt[key]);
    }
    return opts;
}
exports.default = options;
;
/**
 * Gets the metadata from either a meta.json or meta.js file.
 *
 * @param  {String} dir
 * @return {Object}
 */
function getMetadata(dir) {
    const json = path.join(dir, 'meta.json');
    const js = path.join(dir, 'meta.js');
    let opts = {};
    if (exists(json)) {
        opts = metadata.sync(json);
    }
    else if (exists(js)) {
        const req = require(path.resolve(js));
        if (req !== Object(req)) {
            throw new Error('meta.js needs to expose an object');
        }
        opts = req;
    }
    return opts;
}
/**
 * Set the default value for a prompt question
 *
 * @param {Object} opts
 * @param {String} key
 * @param {String} val
 */
function setDefault(opts, key, val) {
    if (opts.schema) {
        opts.prompts = opts.schema;
        delete opts.schema;
    }
    const prompts = opts.prompts || (opts.prompts = {});
    if (!prompts[key] || typeof prompts[key] !== 'object') {
        prompts[key] = {
            'type': 'string',
            'default': val
        };
    }
    else {
        prompts[key]['default'] = val;
    }
}
function setValidateName(opts) {
    const name = opts.prompts.name;
    const customValidate = name.validate;
    name.validate = name => {
        const its = validateName(name);
        if (!its.validForNewPackages) {
            const errors = (its.errors || []).concat(its.warnings || []);
            return 'Sorry, ' + errors.join(' and ') + '.';
        }
        if (typeof customValidate === 'function')
            return customValidate(name);
        return true;
    };
}
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