transform-package-json/lib/transform.js

Utility script to transform package.json - Remove scripts, devDependencies and change properties.

"use strict";
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const path = __importStar(require("path"));
const mkdirp_1 = __importDefault(require("mkdirp"));
const lodash_omit_1 = __importDefault(require("lodash.omit"));
const util_1 = require("./util");
function transform(src, dest, options = {}) {
    const params = getParams(options), pkg = util_1.readJSON(src), res = transformPkg(pkg, params);
    writeDest(src, dest, res, params);
}
exports.transform = transform;
/******************
 * PRIVATE FIELDS *
 ******************/
function transformPkg(pkg, params) {
    pkg = lodash_omit_1.default(pkg, ...params.remove);
    pkg = applyTransforms(pkg, params);
    return pkg;
}
function applyTransforms(pkg, params) {
    const transforms = lodash_omit_1.default(params, "remove");
    return Object.assign(pkg, transforms);
}
function writeDest(src, dest, pkg, params) {
    const destPath = getDestPath(src, dest, params);
    mkdirp_1.default.sync(path.dirname(destPath));
    util_1.writeJSON(destPath, pkg);
}
function getDestPath(src, dest, params) {
    // replace files in the same folder
    if (params.replace) {
        return src;
    }
    // copy original folder structure into dest folder and compile templates
    else if (params.basePath || params.basePath === "") {
        // new path = dest + (src path without basePath at the beginning)
        return dest + src.substring(params.basePath.length, src.length);
    }
    // Regex for path
    else if (util_1.isFile(dest)) {
        return dest;
    }
    // default: copy all files into destination
    else {
        return path.join(dest, path.basename(src));
    }
}
function getParams(options) {
    return Object.assign({ remove: ["scripts", "devDependencies"] }, options);
}