Add source code

.github/ISSUE_TEMPLATE.md

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+To help us understand the issue, please fill-in as much of the following information as you can:
+
+### What are the steps to reproduce?
+
+### What happens?
+
+### What do you expect to happen?
+
+### Please tell us about your environment:
+
+- [ ] Node-RED version:
+- [ ] node.js version:
+- [ ] npm version:
+- [ ] Platform/OS:
+- [ ] Browser:

.github/PULL_REQUEST_TEMPLATE.md

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+## Types of changes
+
+What types of changes does your code introduce?
+_Put an `x` in the boxes that apply_
+
+- [ ] Bugfix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+
+## Proposed changes
+
+Describe the nature of this change. What problem does it address?
+

.gitignore

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+# Generated nodes
+node-red-contrib-*
+node-red-node-*
+
+# Dependency directory
+node_modules

README.md

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-# node-red-nodegen
+# Node generator for Node-RED
+
+Install node generator globally to make the `node-red-nodegen` command available on your path:
+
+    npm install -g git+http://github.com/node-red/node-red-nodegen.git
+
+You may need to run this with `sudo`, or from within an Administrator command shell.
+
+## Usage
+
+    Usage:
+       node-red-nodegen <source file or URL> [-o <path to save>] [--prefix <prefix string>] [--name <node name>] [--module <module name>] [--version <version number> [--tgz] [--help]
+
+    Description:
+       Node generator for Node-RED
+
+    Supported source:
+       - Function node (js file in library, "~/.node-red/lib/function/")
+       - Swagger definition
+
+    Options:
+       -o : Destination path to save generated node (default: current directory)
+       --prefix : Prefix of npm module (default: "node-red-contrib-")
+       --name : Node name (default: name defined in source)
+       --module : Module name (default: "node-red-contrib-<node name>")
+       --version : Node version (format: "number.number.number" like "4.5.1")
+       --tgz : Save node as tgz file
+       --help : Show help
+
+### Example 1. Create original node from function node (JavaScript code)
+
+- On Node-RED flow editor, save function node to library with file name (lower-case.js).
+- node-red-nodegen ~/.node-red/lib/function/lower-case.js
+- cd node-red-contrib-lower-case
+- sudo npm link
+- cd ~/.node-red
+- npm link node-red-contrib-lower-case
+- node-red
+
+-> You can use lower-case node on Node-RED flow editor.
+
+### Example 2. Create original node from Swagger definition
+
+- node-red-nodegen http://petstore.swagger.io/v2/swagger.json
+- cd node-red-contrib-swagger-petstore
+- sudo npm link
+- cd ~/.node-red
+- npm link node-red-contrib-swagger-petstore
+- node-red
+
+-> You can use swagger-petstore node on Node-RED flow editor.
+
+Note: Currently node generator supports GET and POST methods using JSON format without authentication.

bin/node-red-nodegen.js

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+#!/usr/bin/env node
+
+/**
+ * Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var fs = require('fs');
+var request = require('request');
+var yamljs = require('yamljs');
+var argv = require('minimist')(process.argv.slice(2));
+var colors = require('colors');
+var nodegen = require('../lib/nodegen.js');
+
+// Command options
+var options = {};
+options.tgz = argv.tgz;
+options.obfuscate = argv.obfuscate;
+
+var data = {
+    prefix: argv.prefix || argv.p,
+    name: argv.name || argv.n,
+    module: argv.module,
+    version: argv.version || argv.v,
+    dst: argv.output || argv.o || '.'
+};
+
+function help() {
+    var helpText = 'Usage:'.bold + '\n' +
+        '   node-red-nodegen <source file or URL>' +
+        ' [-o <path to save>]' +
+        ' [--prefix <prefix string>]' +
+        ' [--name <node name>]' +
+        ' [--module <module name>]' +
+        ' [--version <version number>' +
+        //' [--icon <png or gif file>' +
+        //' [--color <node color>' +
+        ' [--tgz]' +
+        ' [--help]\n' +
+        '\n' +
+        'Description:'.bold + '\n' +
+        '   Node generator for Node-RED\n' +
+        '\n' +
+        'Supported source:'.bold + '\n' +
+        '   - Function node (js file in library, "~/.node-red/lib/function/")\n' +
+        // '   - Subflow node (json file of subflow)\n' +
+        '   - Swagger definition\n' +
+        '\n' +
+        'Options:\n'.bold +
+        '   -o : Destination path to save generated node (default: current directory)\n' +
+        '   --prefix : Prefix of npm module (default: "node-red-contrib-")\n' +
+        '   --name : Node name (default: name defined in source)\n' +
+        '   --module : Module name (default: "node-red-contrib-<node name>")\n' +
+        '   --version : Node version (format: "number.number.number" like "4.5.1")\n' +
+        //'   --icon : png or gif file for node appearance (image size should be 10x20)\n';
+        //'   --color : color for node appearance (format: color hexadecimal numbers like "#A6BBCF")\n';
+        '   --tgz : Save node as tgz file\n' +
+        '   --help : Show help\n';
+    console.log(helpText);
+}
+
+if (!argv.h && !argv.help) {
+    var sourcePath = argv._[0];
+    if (sourcePath) {
+        if (sourcePath.startsWith('http://') || sourcePath.startsWith('https://')) {
+            request(sourcePath, function (error, response, body) {
+                if (!error) {
+                    data.src = JSON.parse(body);
+                    var filename = nodegen.swagger2node(data, options);
+                    console.log('Success: ' + filename);
+                } else {
+                    console.error(error);
+                }
+            });
+        } else if (sourcePath.endsWith('.json')) {
+            data.src = JSON.parse(fs.readFileSync(sourcePath));
+            var filename = nodegen.swagger2node(data, options);
+            console.log('Success: ' + filename);
+        } else if (sourcePath.endsWith('.yaml')) {
+            data.src = yamljs.load(sourcePath);
+            var filename = nodegen.swagger2node(data, options);
+            console.log('Success: ' + filename);
+        } else if (sourcePath.endsWith('.js')) {
+            data.src = fs.readFileSync(sourcePath);
+            var filename = nodegen.function2node(data, options);
+            console.log('Success: ' + filename);
+        } else {
+            console.error('error: Unsupported file type');
+        }
+    } else {
+        help();
+    }
+} else {
+    help();
+}
+