feat: handle .travis.yml with duplicate keys

Author: dominykas

lib/travis.js

@@ -90,7 +90,10 @@ exports.detect = async ({ loadFile }) => {
         throw err;
     }
 
-    const travisYaml = Yaml.safeLoad(buffer, { schema: Yaml.FAILSAFE_SCHEMA });
+    const travisYaml = Yaml.safeLoad(buffer, {
+        schema: Yaml.FAILSAFE_SCHEMA,
+        json: true
+    });
 
     return {
         travis: await internals.scan(travisYaml)

test/fixtures/npm-promzard.yml

@@ -0,0 +1,9 @@
+language: node_js
+language: node_js
+node_js:
+  - '0.8'
+  - '0.10'
+  - '0.12'
+  - 'iojs'
+before_install:
+  - npm install -g npm@latest

test/index.js

@@ -453,6 +453,32 @@ describe('detect-node-support', () => {
                 });
             });
 
+            it('handles duplicate key in .travis.yml', async () => {
+
+                const path = await internals.prepareFixture({
+                    travisYml: 'npm-promzard.yml'
+                });
+
+                const result = await NodeSupport.detect({ path });
+
+                internals.assertCommit(result);
+
+                expect(result).to.equal({
+                    name: 'test-module',
+                    version: '0.0.0-development',
+                    timestamp: 1580673602000,
+                    travis: {
+                        raw: ['0.8', '0.10', '0.12', 'iojs'],
+                        resolved: {
+                            '0.8': '0.8.28',
+                            '0.10': '0.10.48',
+                            '0.12': '0.12.18',
+                            'iojs': false
+                        }
+                    }
+                });
+            });
+
             it('throws when path is not a git repo', async () => {
 
                 const path = await internals.prepareFixture({ git: false });