FEATURE: Enable new and old conversion

- renames standard convert to convert-classic
- updates the existing convert to call new updated composable version

src/apps/convert .ts

@@ -0,0 +1,88 @@
+import commandLineUsage from 'command-line-usage';
+import {Section} from 'command-line-usage';
+import minimist from 'minimist';
+import path from 'path';
+import {AnyAzureObject} from '../conversion/azure';
+import {AzureConverter} from '../conversion/azure/azure_converter';
+
+import {fail, handleError, succeed} from '../utilities';
+import fs from 'fs';
+import * as yaml from 'js-yaml';
+
+function main() {
+  const args = minimist(process.argv.slice(2));
+
+  if (args.h || args.help) {
+    showUsage();
+    return succeed(false);
+  }
+
+  if (args._.length !== 2) {
+    return fail('Error: expected <azure.json> and <labyrinth.yaml> files.');
+  }
+
+  try {
+    const infile = args._[0];
+    const outfile = args._[1];
+    console.log(`Azure resource graph input file: ${infile}`);
+    console.log(`Labyrinth graph output file: ${outfile}`);
+    const text = fs.readFileSync(infile, 'utf8');
+    const root = JSON.parse(text) as AnyAzureObject[];
+    const converter = new AzureConverter();
+    const graph = converter.Convert(root);
+    const yamlText = yaml.dump(graph);
+    fs.writeFileSync(outfile, yamlText, 'utf8');
+
+    console.log('Conversion complete.');
+  } catch (e) {
+    handleError(e);
+  }
+
+  return succeed(true);
+}
+
+function showUsage() {
+  const program = path.basename(process.argv[1]);
+
+  const usage: Section[] = [
+    {
+      header: 'Azure resource graph conversion tool',
+      content:
+        'Utility for generating Labyrinth graph from an Azure resource graph.',
+    },
+    {
+      header: 'Usage',
+      content: [
+        `node ${program} {underline <azure.json>} {underline <labyrinth.yaml>} [...options]`,
+      ],
+    },
+    {
+      header: 'Required Parameters',
+      content: [
+        {
+          name: '{underline <azure.json>}',
+          summary: 'Path to a JSON Azure resource graph.',
+        },
+        {
+          name: '{underline <labyrinth.yaml>}',
+          summary: 'Path to output file.',
+        },
+      ],
+    },
+    {
+      header: 'Options',
+      optionList: [
+        {
+          name: 'help',
+          alias: 'h',
+          description: 'Display help message.',
+          type: Boolean,
+        },
+      ],
+    },
+  ];
+
+  console.log(commandLineUsage(usage));
+}
+
+main();