New CLI for parse-server

src/cli/utils/commander.js

@@ -0,0 +1,69 @@
+var program = require('commander');
+
+var _definitions;
+var _reverseDefinitions;
+
+program.loadDefinitions = function(definitions, prefix = "") {
+  _definitions = definitions;
+  Object.keys(definitions).reduce(function(program, opt){
+    if (typeof definitions[opt] == "object") {
+      const additionalOptions = definitions[opt];
+      if (additionalOptions.required === true) {
+        return program.option(`--${opt} <${opt}>`, additionalOptions.help, additionalOptions.action);
+      } else {
+        return program.option(`--${opt} [${opt}]`, additionalOptions.help, additionalOptions.action);
+      }
+    }
+    return program.option(`--${opt} [${opt}]`)
+  }, program);
+  
+  _reverseDefinitions = Object.keys(definitions).reduce(function(object, key){
+      let value = definitions[key];
+      if (typeof value == "object") {
+        value = value.env;
+      }
+      if (value) {
+        object[value] = key;
+      }
+      return object;
+   }, {});
+   
+   program.on('--help', function(){
+    console.log('  Configure From Environment:');
+    console.log('');
+    Object.keys(_reverseDefinitions).forEach(function(key){
+      console.log(`    $ ${key}='${_reverseDefinitions[key]}'`);
+    });
+    console.log('');
+  });
+}
+
+var envParser = function(env = {}) {
+  return Object.keys(_reverseDefinitions).reduce(function(options, key){
+    if (env[key]) {
+      const originalKey = _reverseDefinitions[key];
+      let action = function(option) {return option;}
+      if (typeof _definitions[originalKey] === "object") {
+        action = _definitions[originalKey].action || action;
+      }
+      options[_reverseDefinitions[key]] = action(env[key]);
+    }
+    return options; 
+  }, {});
+}
+
+program._parse = program.parse;
+
+program.parse = function(args, env) {
+  program._parse(args);
+  // Parse the environment first
+  var envOptions = envParser(env);
+  // Load the env if not passed from command line
+  Object.keys(envOptions).forEach(function(key){
+   if (!program[key]) {
+     program[key] = envOptions[key];
+   } 
+  });
+}
+
+module.exports =  program;