Add custom dependency

Author: kisenka

_speaker-tips/CustomDependency.js

@@ -0,0 +1,22 @@
+const Dependency = require('webpack/lib/Dependency');
+
+class CustomDependency extends Dependency {
+  constructor(module, usage) {
+    super();
+    this.module = module;
+    this.usage = usage;
+  }
+}
+
+CustomDependency.Template = class CustomDependencyTemplate {
+  apply(dep, source) {
+    const usage = dep.usage;
+    source.replace(
+      usage.range[0],
+      usage.range[1] - 1,
+      JSON.stringify(usage.value)
+    )
+  }
+};
+
+module.exports = CustomDependency;