added linter module

bin/cmd.generate.js

@@ -0,0 +1,44 @@
+const path = require('path');
+const fs = require('fs');
+const linter = require('./linter');
+
+function doInteractiveGeneration(args) {
+
+}
+
+function doSilentGeneration(args) {
+    let config = {};
+    config.template = args.template || path.join(__dirname, '..', 'templates', 'default.json')
+    config.name = args.name;
+    config.description = args.description;
+    config.output = args.output || path.join(process.cwd(), `${args.name}.json`)
+ 
+    generateTemplate(config);
+}
+
+function generateTemplate(config) {
+    console.log(`Generate Service Spec for service '${config.name}' to ${config.output}`)
+    let template = require(config.template);
+
+    template.name = config.name
+    template.description = config.description
+
+    let messages = linter.lint(template);
+    if(messages.length) {
+        console.error("Failed to generate service spec:");
+        messages.forEach(message => console.log(`\t${message}`));
+        process.exit(-1)
+    }
+
+    let output = JSON.stringify(template, null, '\t');
+    fs.writeFileSync(config.output, output);
+}
+
+
+module.exports = function(args) {
+    if(args.silent) {
+        return doSilentGeneration(args);
+    }
+    return doInteractiveGeneration(args);
+
+}

bin/index.js

@@ -1,12 +1,10 @@
 #!/usr/bin/env node
 
-const argsparser = require('args-parser');
 const path = require('path');
 const fs = require('fs');
 
 let required_command = process.argv[2]
-let args = argsparser(process.argv.slice(2));
-
+let args = require('args-parser')(process.argv);
 
 let cmds = fs.readdirSync(__dirname)
             .filter(file => file.startsWith("cmd"))

bin/linter.js

@@ -0,0 +1,47 @@
+const objectPath = require('object-path');
+
+
+function required() {
+    return (path, input, msgs) => {
+        if(!input) {
+            msgs.push(`Property '${path}' must be set! value=${input}`)
+        }
+    }
+}
+
+function length(min, max=-1) {
+    return (path, input, msgs) => {
+        if(min > 0 && input.length < min) {
+            msgs.push(`Property '${path}' must have at least ${min} characters! actual=${input.length}`)
+        }
+        if(max > 0 && input.length > max) {
+            msgs.push(`Property '${path}' must not have more than ${max} characters! actual=${input.length}`)
+        }  
+    }
+}
+
+function regex(regex) {
+    return (path, input, msgs) => {
+        if(!input.match(regex)) {
+            msgs.push(`Property '${path}' must only comply to pattern ${regex}! value=${input}`)
+        }
+    }
+}
+
+
+const linterMappings = [
+    { path: 'name', linters: [ required(), length(4), regex(/^[a-z0-9_-]+$/) ] },
+    { path: 'description', linters: [ required(), length(4), regex(/^[A-Z]{1}[a-z0-9_-]+\.$/) ] }
+] 
+
+
+module.exports.lint = function(spec) {
+    let messages = [];
+    linterMappings.forEach(element => {
+        let value = objectPath.get(spec, element.path);
+        element.linters.forEach(linter => {
+            linter(element.path, value, messages);
+        });
+    });
+    return messages;
+}

package-lock.json

@@ -8,6 +8,11 @@
       "version": "1.2.0",
       "resolved": "https://nexus.nclazz.de/repository/npm_public/args-parser/-/args-parser-1.2.0.tgz",
       "integrity": "sha512-PNV3dPBkPt6RC6nfpwAbaRbK4urZ6yPRQhS4cmMpa09t+Gqu4Hz6AlREFDvAxZ1DRBKkbIDhm+X/IPHW6cuaQQ=="
+    },
+    "object-path": {
+      "version": "0.11.5",
+      "resolved": "https://nexus.nclazz.de/repository/npm_public/object-path/-/object-path-0.11.5.tgz",
+      "integrity": "sha512-jgSbThcoR/s+XumvGMTMf81QVBmah+/Q7K7YduKeKVWL7N111unR2d6pZZarSk6kY/caeNxUDyxOvMWyzoU2eg=="
     }
   }
 }

package.json

@@ -17,6 +17,7 @@
   "author": "Niclas Thobaben",
   "license": "MIT",
   "dependencies": {
-    "args-parser": "^1.2.0"
+    "args-parser": "^1.2.0",
+    "object-path": "^0.11.5"
   }
 }