Added demos

Author: amercier

.travis.yml

@@ -6,15 +6,19 @@ matrix:
     - node_js: lts/* # Latest LTS
       env: NPM_DEPLOY=true
     - node_js: lts/carbon
+      env: DEMO=demo-node-8
     - node_js: lts/boron # Minimum required
+      env: DEMO=demo-node-6
 install:
   - npm install --loglevel http # Prevent timeouts for inactivity
 before_script:
+  - npm run build
   - npm run lint
 script:
   - npm test -- --coverage
   - '[[ "$BUILD_DOCS" != true ]] || npm run doc' # Ensures ESDoc generation doesn't fail
   - '[[ "$REPORT_COVERAGE" != true ]] || codecov'
+  - node "${DEMO-demo}"
 after_success: >
   if [ "$TRAVIS_PULL_REQUEST" = "false" ] && [ "$BUILD_DOCS" = "true" ]; then
     bash <(curl -s https://gist.githubusercontent.com/amercier/9d41002c79ac8e9fbd36bc1815d934b1/raw/) amercier/files-by-directory;

demo-node-6.js

@@ -0,0 +1,19 @@
+#!/usr/bin/env node
+
+require('@babel/polyfill'); // eslint-disable-line import/no-extraneous-dependencies
+const filesByDirectory = require('.');
+
+function invoke(iterator, fn) {
+  return iterator
+    .next()
+    .then(({ done, value }) => done || Promise.resolve(fn(value)).then(() => invoke(iterator, fn)));
+}
+
+(function main() {
+  return invoke(filesByDirectory(['./fixture/level1']), files => {
+    process.stdout.write(`\n${files.join('\n')}\n`);
+  });
+})().catch(error => {
+  process.stdout.write(`Error: ${error.message}\n`);
+  process.exit(1);
+});

demo-node-8.js

@@ -0,0 +1,15 @@
+#!/usr/bin/env node
+
+require('@babel/polyfill'); // eslint-disable-line import/no-extraneous-dependencies
+const filesByDirectory = require('.');
+
+(async function main() {
+  const iterator = filesByDirectory(['./fixture/level1']);
+  // eslint-disable-next-line no-await-in-loop
+  for (let item = await iterator.next(); !item.done; item = await iterator.next()) {
+    process.stdout.write(`\n${item.value.join('\n')}\n`);
+  }
+})().catch(error => {
+  process.stdout.write(`Error: ${error.message}\n`);
+  process.exit(1);
+});

demo.js

@@ -0,0 +1,12 @@
+#!/usr/bin/env node
+
+const filesByDirectory = require('.');
+
+(async function main() {
+  for await (const files of filesByDirectory(['./fixture/level1'])) {
+    process.stdout.write(`\n${files.join('\n')}\n`);
+  }
+})().catch(error => {
+  process.stdout.write(`Error: ${error.message}\n`);
+  process.exit(1);
+});