Added option to run generator in directory mentioned in arg

Author: Nikhil-Vats

__tests__/app.js

@@ -85,13 +85,15 @@ describe("generator-biojs-webcomponents:app - Upgrade an existing component by i
       .then(() => assert.file(["component-dist"]));
   });
   it("imports the build file", async () => {
-    await validators
-      .importBuildFileLocally(
-        path.join(__dirname, "../generators/app/validator.js")
-      )
-      .then(() => {
-        assert.file(["component-dist/validator.js"]);
-      });
+    await validators.storeArg("web-component").then(async () => {
+      await validators
+        .importBuildFileLocally(
+          path.join(__dirname, "../generators/app/validator.js")
+        )
+        .then(() => {
+          assert.file(["web-component/component-dist/validator.js"]);
+        });
+    });
   });
   it("throws an error if user enters an empty string as path of build file", async () => {
     assert.equal(

generators/app/index.js

@@ -5,6 +5,15 @@ const yosay = require("yosay");
 const validators = require("./validator");
 
 module.exports = class extends Generator {
+  // Note: arguments and options should be defined in the constructor.
+  constructor(args, opts) {
+    super(args, opts);
+    this.argument("projectDirectory", { type: String, required: false });
+    if (!this.options.projectDirectory) {
+      this.options.projectDirectory = "web-component";
+    }
+  }
+
   initializing() {
     this.composeWith(require.resolve("generator-license"), {
       defaultLicense: "MIT" // (optional) Select a default license
@@ -23,6 +32,12 @@ module.exports = class extends Generator {
 
     // First prompt
     const initialPrompts = [
+      {
+        type: "input",
+        name: "start",
+        message: "Press any key to get going!",
+        validate: () => validators.storeArg(this.options.projectDirectory)
+      },
       {
         type: "list",
         name: "upgradeOrMake",
@@ -289,7 +304,7 @@ module.exports = class extends Generator {
       return this.prompt(initialPrompts).then(props => {
         // To access props later use this.props.someAnswer;
         // If user chooses to upgrade an existing component
-        if (props.upgradeOrMake === initialPrompts[0].choices[0]) {
+        if (props.upgradeOrMake === initialPrompts[1].choices[0]) {
           return this.prompt(upgradeComponentPrompts).then(props => {
             // If user chooses to import file locally from computer
             if (props.importFrom === upgradeComponentPrompts[0].choices[0]) {
@@ -339,7 +354,7 @@ module.exports = class extends Generator {
         }
 
         // If user chooses to make a new component
-        if (props.upgradeOrMake === initialPrompts[0].choices[1]) {
+        if (props.upgradeOrMake === initialPrompts[1].choices[1]) {
           return this.prompt(commonPrompts).then(props => {
             this.props = props;
             this.props.toolNameCamel = toCamelCase(props.toolNameHuman);
@@ -352,6 +367,7 @@ module.exports = class extends Generator {
   }
 
   writing() {
+    this.destinationRoot(`./${this.options.projectDirectory}`);
     this.fs.copyTpl(
       this.templatePath("examples/index.html"),
       this.destinationPath("examples/index.html"),
@@ -436,6 +452,7 @@ module.exports = class extends Generator {
       this.templatePath("img/favicon.png"),
       this.destinationPath("img/favicon.png")
     );
+    this.destinationRoot("./");
   }
 
   install() {

generators/app/validator.js

@@ -3,7 +3,23 @@ const chalk = require("chalk");
 const { exec } = require("child_process");
 const ora = require("ora");
 const validators = {};
+
 let buildDirectory;
+let projectDirectory;
+
+validators.storeArg = async function(props) {
+  projectDirectory = props;
+  var res = await executeCommand("mkdir " + projectDirectory)
+    .then(() => true)
+    .catch(err => {
+      return chalk.red(
+        "Oops! We encountered an error, please see the log below for more details.\n" +
+          err
+      );
+    });
+  return res;
+};
+
 validators.packageName = async function(props) {
   if (props) {
     let command = "npm view " + props;
@@ -137,7 +153,7 @@ validators.directoryName = async props => {
 validators.importBuildFileFromNPM = async function(props) {
   if (props) {
     var res = await executeCommand(
-      "cd " + buildDirectory + " && curl -O " + props,
+      "cd " + projectDirectory + "/" + buildDirectory + " && curl -O " + props,
       "importBuildFileFromNPM"
     )
       .then(() => {
@@ -169,7 +185,7 @@ validators.importBuildFileFromNPM = async function(props) {
 validators.importBuildFileLocally = async props => {
   if (props) {
     var res = await executeCommand(
-      "cp " + props + " " + buildDirectory,
+      "cp " + props + " " + projectDirectory + "/" + buildDirectory,
       "importBuildFileLocally"
     )
       .then(() => {
@@ -236,6 +252,14 @@ function executeCommand(command, type) {
     spinner: "weather"
   });
   spinner.start();
+  if (type === "projectDirectory") {
+    if (command === "." || command.trim() === "") {
+      command = "mkdir webcomponent && cd webcomponent";
+    } else {
+      command = "mkdir " + command + " && cd " + command;
+    }
+  }
+
   return new Promise((resolve, reject) => {
     exec(command, (err, stdout) => {
       if (err) {