add debugger flag for non production builds in Elm (#2225)

parcel-bundler · Nov 8, 2018 · 3bc7062 · 3bc7062
1 parent d8ddcaf
commit 3bc7062
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diff --git a/packages/core/parcel-bundler/src/assets/ElmAsset.js b/packages/core/parcel-bundler/src/assets/ElmAsset.js
@@ -40,6 +40,7 @@ class ElmAsset extends Asset {
       await this.getConfig(['elm.json'], {load: false});
     }
 
+    options.debug = !this.options.production;
     if (this.options.minify) {
       options.optimize = true;
     }

diff --git a/packages/core/parcel-bundler/test/elm.js b/packages/core/parcel-bundler/test/elm.js
@@ -14,6 +14,23 @@ describe('elm', function() {
     let output = await run(b);
     assert.equal(typeof output().Elm.Main.init, 'function');
   });
+  it('should produce a elm bundle with debugger', async function() {
+    let b = await bundle(__dirname + '/integration/elm/index.js');
+
+    await run(b);
+    let js = await fs.readFile(__dirname + '/dist/index.js', 'utf8');
+    assert(js.includes('elm$browser$Debugger'));
+  });
+
+  it('should remove debugger in production', async function() {
+    let b = await bundle(__dirname + '/integration/elm/index.js', {
+      production: true
+    });
+
+    await run(b);
+    let js = await fs.readFile(__dirname + '/dist/index.js', 'utf8');
+    assert(!js.includes('elm$browser$Debugger'));
+  });
 
   it('should minify Elm in production mode', async function() {
     let b = await bundle(__dirname + '/integration/elm/index.js', {