Added basic file/folder checks.

package.json

@@ -21,7 +21,8 @@
     "clean": "rm -rf ./bin/*"
   },
   "dependencies": {
-    "mdlinkc": "0.0.3"
+    "chalk": "^4.1.0",
+    "mdlinkc": "0.0.4"
   },
   "devDependencies": {
     "@types/node": "10.12.18",

src/main.ts

@@ -1,15 +1,117 @@
-import { AppVersion } from './app-version';
 import { Mdlinkc } from 'mdlinkc';
+import * as chalk from 'chalk'
+import * as path from 'path'
+
+import { AppVersion } from './app-version';
 
 function greeter(msg: string) {
   return msg;
 }
 
-const helloMsg = `mdlinkc v${AppVersion.version}`;
-
+const helloMsg = `mdlinkc-cli v${AppVersion.version}`;
 console.log(greeter(helloMsg));
 console.log('');
 
-Mdlinkc.getLinks().forEach((link, id) => {
-  console.log(`[link ${id}]: ${link}`);
-});
+const passSymbol = '\u2714'
+const failSymbol = '\u2716'
+
+async function testDir(dirName) {
+  let status = await Mdlinkc.checkIfDirExists(dirName)
+
+  if (status) {
+    console.log(`[${chalk.green(passSymbol)}] ${chalk.bold(dirName)} directory exists.`)
+    return 1
+  } else {
+    console.log(`[${chalk.red(failSymbol)}] ${chalk.bold(dirName)} directory does NOT exist.`)
+    return 0
+  }
+}
+
+async function checkRequiredDirs() {
+  let testDirCounter = 0
+  const dirsToTest = ['templates', 'contents', 'configs', 'scripts']
+  for (let c1 = 0; c1 < dirsToTest.length; c1 += 1) {
+    const dir = dirsToTest[c1]
+    testDirCounter += await testDir(dir)
+  }
+  if (testDirCounter !== 4) {
+    console.log('')
+    console.log('Some directories are missing. Exiting ...')
+    process.exit(1)
+  }
+}
+
+async function loadConfigFile(configName) {
+  const shortPath = `./configs/${configName}.js`
+  const fullPath = path.join(process.cwd(), shortPath)
+
+  let config
+  try {
+    config = require(fullPath)
+    console.log(`[${chalk.green(passSymbol)}] ${chalk.bold(shortPath)} config file was loaded.`)
+    return config
+  } catch (err) {
+    console.log(`[${chalk.red(failSymbol)}] ${chalk.bold(shortPath)} config file could NOT be loaded.`)
+    return null
+  }
+}
+
+async function loadAllConfigs(configs) {
+  let configCounter = 0
+  const configsToLoad = ['pages', 'variables', 'meta']
+  for (let c1 = 0; c1 < configsToLoad.length; c1 += 1) {
+    const configName = configsToLoad[c1]
+    configs[configName] = await loadConfigFile(configName)
+
+    if (configs[configName] !== null) {
+      configCounter += 1
+    }
+  }
+  if (configCounter !== 3) {
+    console.log('')
+    console.log('Some configs are missing. Exiting ...')
+    process.exit(1)
+  }
+}
+
+async function printNumThreads(configs) {
+  console.log('configs.meta = ', configs.meta)
+  console.log('configs.meta.threads = ', configs.meta.threads)
+}
+
+async function printFirstPage(configs) {
+  console.log('configs.pages = ', configs.pages)
+  console.log('configs.pages[0] = ', configs.pages[0])
+}
+
+async function printAuthorVariable(configs) {
+  console.log('configs.variables = ', configs.variables)
+  console.log('configs.variables.AUTHOR = ', configs.variables.AUTHOR)
+}
+
+async function run(configs) {
+  console.log('[DIRS]')
+  await checkRequiredDirs()
+  console.log('')
+
+  console.log('[CONFIGS]')
+  await loadAllConfigs(configs)
+  console.log('')
+
+  await printNumThreads(configs)
+  console.log('')
+
+  await printFirstPage(configs)
+  console.log('')
+
+  await printAuthorVariable(configs)
+  console.log('')
+}
+
+const configs = {
+  pages: null,
+  variables: null,
+  meta: null
+}
+
+run(configs)