diff --git a/test/fixtures/javascript.js b/test/fixtures/javascript.js
new file mode 100644
index 0000000..96613c1
--- /dev/null
+++ b/test/fixtures/javascript.js
@@ -0,0 +1 @@
+require('./secret_js.txt')
diff --git a/test/fixtures/raw_js_mod.js b/test/fixtures/raw_js_mod.js
new file mode 100644
index 0000000..f638930
--- /dev/null
+++ b/test/fixtures/raw_js_mod.js
@@ -0,0 +1,4 @@
+module.exports = function (src) {
+  this._module._jsSource = true
+  return src
+}
diff --git a/test/fixtures/secret_js.txt b/test/fixtures/secret_js.txt
new file mode 100644
index 0000000..6b66ceb
--- /dev/null
+++ b/test/fixtures/secret_js.txt
@@ -0,0 +1 @@
+{ look: 'this is actually valid js!' }
diff --git a/test/index.js b/test/index.js
index 905a45f..b580fe3 100644
--- a/test/index.js
+++ b/test/index.js
@@ -14,7 +14,7 @@ test.cb('basic text content works correctly', (t) => {
     resolveLoader: {
       alias: { source: path.join(__dirname, '../lib/index.js') }
     },
-    module: { loaders: [{ test: /\.txt$/, loader: 'source' }] }
+    module: { rules: [{ test: /\.txt$/, loader: 'source' }] }
   }, (err, res) => {
     if (err) { t.fail(err) }
     t.truthy(res.compilation.errors.length < 1)
@@ -33,7 +33,7 @@ test.cb('raw source is added to loader context', (t) => {
     resolveLoader: {
       alias: { source: path.join(__dirname, '../lib/index.js') }
     },
-    module: { loaders: [{ test: /\.txt$/, loader: 'source' }] }
+    module: { rules: [{ test: /\.txt$/, loader: 'source' }] }
   }, (err, res) => {
     if (err) { t.fail(err) }
     const mod = res.compilation.modules.find((m) => {
@@ -55,7 +55,7 @@ test.cb('binary files not exported but are made availble for plugins', (t) => {
     resolveLoader: {
       alias: { source: path.join(__dirname, '../lib/index.js') }
     },
-    module: { loaders: [{ test: /\.gif$/, loader: 'source' }] }
+    module: { rules: [{ test: /\.gif$/, loader: 'source' }] }
   }, (err, res) => {
     if (err) { t.fail(err) }
     const src = fs.readFileSync(outputPath, 'utf8')
@@ -64,3 +64,31 @@ test.cb('binary files not exported but are made availble for plugins', (t) => {
     t.end()
   })
 })
+
+test.cb('valid js source parsed by setting the _jsSource prop', (t) => {
+  const outputPath = path.join(fixturesPath, 'build-js.js')
+  webpack({
+    context: fixturesPath,
+    entry: path.join(fixturesPath, 'javascript'),
+    output: { path: fixturesPath, filename: 'build-js.js' },
+    resolveLoader: {
+      alias: {
+        source: path.join(__dirname, '../lib/index.js'),
+        rawJs: path.join(__dirname, './fixtures/raw_js_mod.js')
+      }
+    },
+    module: {
+      rules: [{
+        test: /\.txt$/,
+        use: [{ loader: 'source' }, { loader: 'rawJs' }]
+      }]
+    }
+  }, (err, res) => {
+    if (err) { t.fail(err) }
+    t.truthy(res.compilation.errors.length < 1)
+    const src = fs.readFileSync(outputPath, 'utf8')
+    t.regex(src, /module\.exports = { look: 'this is actually valid js!' }/)
+    fs.unlinkSync(outputPath)
+    t.end()
+  })
+})
diff --git a/yarn.lock b/yarn.lock
index db58730..5c8703c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1075,8 +1075,8 @@ concordance@^3.0.0:
     well-known-symbols "^1.0.0"
 
 configstore@^3.0.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.0.tgz#45df907073e26dfa1cf4b2d52f5b60545eaa11d1"
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.1.tgz#094ee662ab83fad9917678de114faaea8fcdca90"
   dependencies:
     dot-prop "^4.1.0"
     graceful-fs "^4.1.2"
@@ -2479,7 +2479,7 @@ istanbul-lib-hook@^1.0.7:
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.7.3:
+istanbul-lib-instrument@^1.7.4:
   version "1.7.4"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.4.tgz#e9fd920e4767f3d19edc765e2d6b3f5ccbd0eea8"
   dependencies:
@@ -2998,8 +2998,8 @@ number-is-nan@^1.0.0:
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
 
 nyc@^11.0.3:
-  version "11.0.3"
-  resolved "https://registry.yarnpkg.com/nyc/-/nyc-11.0.3.tgz#0c28bc669a851621709bf7a08503034bee3812b6"
+  version "11.1.0"
+  resolved "https://registry.yarnpkg.com/nyc/-/nyc-11.1.0.tgz#d6b3c5e16892a25af63138ba484676aa8a22eda7"
   dependencies:
     archy "^1.0.0"
     arrify "^1.0.1"
@@ -3013,7 +3013,7 @@ nyc@^11.0.3:
     glob "^7.0.6"
     istanbul-lib-coverage "^1.1.1"
     istanbul-lib-hook "^1.0.7"
-    istanbul-lib-instrument "^1.7.3"
+    istanbul-lib-instrument "^1.7.4"
     istanbul-lib-report "^1.1.1"
     istanbul-lib-source-maps "^1.2.1"
     istanbul-reports "^1.1.1"
@@ -3024,7 +3024,7 @@ nyc@^11.0.3:
     resolve-from "^2.0.0"
     rimraf "^2.5.4"
     signal-exit "^3.0.1"
-    spawn-wrap "^1.3.7"
+    spawn-wrap "^1.3.8"
     test-exclude "^4.1.1"
     yargs "^8.0.1"
     yargs-parser "^5.0.0"
@@ -3832,7 +3832,7 @@ source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, sour
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
 
-spawn-wrap@^1.3.7:
+spawn-wrap@^1.3.8:
   version "1.3.8"
   resolved "https://registry.yarnpkg.com/spawn-wrap/-/spawn-wrap-1.3.8.tgz#fa2a79b990cbb0bb0018dca6748d88367b19ec31"
   dependencies: