initial commit

Author: Aliaksei Ladyha

.gitignore

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+# Dependencies
+node_modules/
+
+# Compiled output
+build
+/assets
+
+# Terraform plugins and temp files
+.terraform
+terraform.tfstate
+terraform.tfstate.*
+
+# Test coverage
+coverage
+
+# Logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Editors and IDEs
+.idea
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json

.prettierrc

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+{
+    "singleQuote": true,
+    "trailingComma": "all",
+    "printWidth": 100,
+    "tabWidth": 4
+  }
+  

README.md

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+# FE Dev proxy
+
+This is an HTTP proxy which will help with FE development of ATG pages.
+The main and only feature is to proxy HTTP pages and replace some assets accoring to config rules.
+
+### Config
+
+Config file ( config.js ) is pretty staightforward. It's a node module which exports a config object
+
+#### Config prams
+
+`port` - (optional. default: 8888) - Local proxy server port
+`target` - (required) - Target webpage url, for example http://latgipo20int.schneider-electric.com
+`rules` - (optional, kind of...) - Array or file-replacement rules object
+`ruleObject.original` - (required) = RegExp or string which will be converted to regexp
+`ruleObject.local` - (required) = Replacement file path. Can include match groups from regex ( i.e. \$1 )
+
+see included config.js as an example.
+
+### Getting Started
+
+Clone the repo, adjust config and develop:
+
+```bash
+$ npm install
+$ npm run start
+```
+
+Now http://localhost:8888/shop/us/en/tools/replacement-battery-selector
+will proxy the http://latgipo20int.schneider-electric.com/shop/us/en/tools/replacement-battery-selector
+with the file replacement rules applied.

bin/devproxy.js

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+#!/usr/bin/env node
+
+const path = require('path');
+const argv = require('minimist')(process.argv.slice(2));
+const fs = require('fs');
+
+const { DEFAULT_CONFIG_FILENAME } = require('../lib/const');
+
+function showUsage() {
+    console.log(`
+devproxy init - create basic config file in the projects directory
+`);
+}
+
+/**
+ * Copies config example in to the working directory of a project
+ */
+function init() {
+    const example = path.resolve(__dirname, '../config-examples/main.config.js');
+    const newConfigFilename = path.join(process.cwd(), DEFAULT_CONFIG_FILENAME);
+    fs.copyFileSync(example, newConfigFilename, fs.constants.COPYFILE_EXCL);
+}
+
+const commands = {
+    init: init,
+};
+
+function main() {
+    // running command
+    if (commands[argv._]) {
+        commands[argv._]();
+    } else {
+        require('../lib/index');
+    }
+}
+
+main();

config-examples/main.config.js

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+const fs = require('fs');
+const url = require('url');
+const path = require('path');
+
+const targetUrl = url.parse(TARGET);
+
+module.exports = {
+    port: 80,
+    sslPort: 443,
+    localOverrides: false,
+    target: 'https://int3.apc.com',
+    ssl: {
+        key: fs.readFileSync(path.resolve(__dirname, 'ssl/server.key'), 'utf8'),
+        cert: fs.readFileSync(path.resolve(__dirname, 'ssl/server.crt'), 'utf8'),
+    },
+    rules: [
+        // replacing html page with contents of other file
+        {
+            original: '/t/air-vapormax-2019-premium-mens-shoe-wr4C0z/AT6810-001',
+            local: './html/air-vapormax-2019_modified.html',
+        },
+        // transforming html page with transform function
+        {
+            original: '/t/air-vapormax-2019-premium-mens-shoe-wr4C0z/AT6810-001',
+            transform: function(body) {
+                let b = body.replace(new RegExp(targetUrl.hostname, 'ig'), 'local.mysite.com');
+
+                b = b.replace(/<script.*?\/search\.js"><\/script>/gi, '');
+
+                return b;
+            },
+        },
+
+        // replace resource with local one
+        {
+            o: '/static/js/app.js',
+            l: './build/js/app.js',
+        },
+    ],
+};

lib/const.js

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+module.exports = {
+    DEFAULT_CONFIG_FILENAME: 'devproxy.config.js',
+};

lib/defaultConfig.js

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+const fs = require('fs');
+const path = require('path');
+
+module.exports = {
+    port: 8888,
+    sslPort: 4444,
+    localOverrides: true,
+    // target: '',
+    secure: false,
+    ssl: {
+        key: fs.readFileSync(path.resolve(__dirname, '../ssl/server.key'), 'utf8'),
+        cert: fs.readFileSync(path.resolve(__dirname, '../ssl/server.crt'), 'utf8'),
+    },
+    rules: [],
+};