fix: allow for non-existent pages directory

Author: davewasmer

src/extracter.ts

@@ -119,12 +119,15 @@ export default class Extracter {
   extractPages(): Dictionary<string> {
     let dir = this.pagesDir;
     debug(`Extracting pages for ${ this.dir } from ${ dir }`);
-    let files = walk(dir, { directories: false });
-    return files.reduce((pages: Dictionary<string>, file: string) => {
-      debug(`Found a page: ${ file }`);
-      pages[file] = read(path.join(dir, file), 'utf-8');
-      return pages;
-    }, <Dictionary<string>>{});
+    if (exists(dir)) {
+      let files = walk(dir, { directories: false });
+      return files.reduce((pages: Dictionary<string>, file: string) => {
+        debug(`Found a page: ${ file }`);
+        pages[file] = read(path.join(dir, file), 'utf-8');
+        return pages;
+      }, <Dictionary<string>>{});
+    }
+    return {};
   }
 
   extractApi(): API {

test/base.js

@@ -0,0 +1,16 @@
+import test from 'ava';
+import * as path from 'path';
+import { Extracter } from '../dist/index';
+import output from './helpers/output-expectation';
+
+test('allow non-existent pages directory', async (t) => {
+  let extracter = new Extracter({
+    dir: path.join(__dirname, 'fixtures', 'missing-pages-dir'),
+    pagesDir: 'guides',
+    sourceDirs: [ 'src' ],
+    projectName: 'javascript-project',
+    projectVersion: '1.0.0'
+  });
+  let result = extracter.extract();
+  t.deepEqual(result, Object.assign(output('js'), { pages: {} }));
+});

test/fixtures/missing-pages-dir/src/index.js

@@ -0,0 +1,55 @@
+/**
+ * He's such a good boi!
+ *
+ * No srsly. such good
+ *
+ * @class Dog
+ * @constructor
+ */
+export default class Dog {
+
+  /**
+   * What's the dog's current mood?
+   *
+   * @property mood
+   * @type string
+   */
+  mood = 'happy';
+
+  /**
+   * Make some noise
+   *
+   * @method bark
+   * @param volume {number} How loud?
+   * @public
+   * @foo bar
+   */
+  bark(volume) {
+
+  }
+
+  /**
+   * Checks if this.goodBoi is true, and if so, requests a belly rub.
+   * Returns true if belly rub was successful.
+   *
+   * @method requestBellyRub
+   * @returns {boolean} Was the belly rub successful?
+   * @protected
+   */
+  requestBellyRub() {
+
+  }
+
+  // Custom tags, private
+  /**
+   * Digs a hole in blankets or dirt
+   *
+   * @method burrow
+   * @isGoodBoi true
+   * @private
+   */
+  burrow() {
+
+  }
+
+}

test/fixtures/missing-pages-dir/src/pet.js

@@ -0,0 +1,10 @@
+// Free function
+/**
+ * Pet the good boi!
+ *
+ * @method pet
+ * @public
+ */
+export function pet() {
+
+}