refactor: split installer to multiple managers

Author: sis0k0

bin/install-ns-webpack

@@ -1,7 +1,3 @@
 #!/usr/bin/env node
-var installer = require("../installer");
-
-installer.addProjectFiles();
-installer.removeDeprecatedNpmScripts();
-installer.addNpmScripts();
-installer.addProjectDependencies();
+const installer = require("../installer");
+installer.install();

bin/ns-verify-bundle

@@ -4,7 +4,6 @@ const path = require("path");
 const fs = require("fs");
 
 const PROJECT_DIR = path.resolve(__dirname, "../../../");
-console.log(PROJECT_DIR);
 const APP_ID = require(path.resolve(PROJECT_DIR, "./package.json")).nativescript.id;
 const APP_NAME = APP_ID.substring(APP_ID.lastIndexOf(".") + 1);
 const PROJECT_PATHS = {

bin/ns-webpack-update

@@ -0,0 +1,12 @@
+#!/usr/bin/env node
+const path = require("path");
+const fs = require("fs");
+
+const helpers = require("../projectHelpers");
+const forceUpdateProjectDeps = require("../dependencyManager").forceUpdateProjectDeps;
+
+const PROJECT_DIR = path.resolve(__dirname, "../../../");
+const packageJson = helpers.getPackageJson(PROJECT_DIR);
+
+forceUpdateProjectDeps(packageJson);
+helpers.writePackageJson(packageJson, PROJECT_DIR);

bin/ns-webpack-update.cmd

@@ -0,0 +1 @@
+@node %~dp0\ns-webpack-update %*

bin/remove-ns-webpack

@@ -1,7 +1,3 @@
 #!/usr/bin/env node
-var installer = require("../installer");
-
-installer.removeProjectFiles();
-installer.removeDeprecatedNpmScripts();
-installer.removeNpmScripts();
-installer.removeProjectDependencies();
+const installer = require("../installer");
+installer.uninstall();

bin/remove-ns-webpack.cmd

@@ -1 +1 @@
-@node %~dp0\install-ns-webpack %*
+@node %~dp0\remove-ns-webpack %*

dependencyManager.js

@@ -0,0 +1,59 @@
+const helpers = require("./projectHelpers");
+
+function forceUpdateProjectDeps(packageJson) {
+    addProjectDeps(packageJson, true);
+}
+
+function addProjectDeps(packageJson, force = false) {
+    const depsToAdd = getRequiredDeps(packageJson);
+    packageJson.devDependencies = packageJson.devDependencies || {};
+    let oldDeps = packageJson.devDependencies;
+
+    let alreadyAdded = false;
+    Object.keys(depsToAdd).forEach(function(name) {
+        const version = depsToAdd[name];
+        alreadyAdded = addDependency(oldDeps, name, version, force) || alreadyAdded;
+    });
+
+    if (alreadyAdded) {
+        console.error("Some deps were not updated because they were already added.");
+        console.error("If you want to force update them, please run './node_modules/.bin/ns-webpack-update'");
+    }
+}
+
+function addDependency(deps, name, version, force) {
+    if (!deps[name] || force) {
+        deps[name] = version;
+        console.info(`Adding dev dependency: ${name}@${version}`);
+        return false;
+    } else {
+        console.info(`Dev dependency: ${name} already added. Leaving version: ${deps[name]}`);
+        return true;
+    }
+}
+
+function getRequiredDeps(packageJson) {
+    var deps = {
+        "webpack": "~2.3.3",
+        "webpack-sources": "~0.2.3",
+        "copy-webpack-plugin": "~4.0.1",
+        "raw-loader": "~0.5.1",
+        "nativescript-css-loader": "~0.26.0",
+        "resolve-url-loader": "~2.0.2",
+        "extract-text-webpack-plugin": "~2.1.0",
+    };
+
+    if (helpers.isAngular({packageJson})) {
+        deps["@angular/compiler-cli"] = "~4.0.2";
+        deps["@ngtools/webpack"] = "1.3.0";
+        deps["typescript"] = "~2.2.2";
+    } else if (helpers.isTypeScript({packageJson})) {
+        deps["awesome-typescript-loader"] = "~3.1.2";
+    }
+    return deps;
+}
+
+module.exports = {
+    forceUpdateProjectDeps,
+    addProjectDeps,
+};