Merge pull request #39 from slackhq/an-ensure-html-webpack-plugin-hoo…

…ks-present Ensuring that html webpack plugin hooks are available
slackhq · Jun 3, 2019 · 396e7ff · 396e7ff
2 parents 14aabb3 + ecd269c
commit 396e7ff
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/plugin.js b/plugin.js
@@ -357,7 +357,10 @@ class CspHtmlWebpackPlugin {
             'CspHtmlWebpackPlugin',
             this.processCsp.bind(this)
           );
-        } else {
+        } else if (
+          compilation.hooks.htmlWebpackPluginBeforeHtmlGeneration &&
+          compilation.hooks.htmlWebpackPluginAfterHtmlProcessing
+        ) {
           // HTMLWebpackPlugin@3
           compilation.hooks.htmlWebpackPluginBeforeHtmlGeneration.tapAsync(
             'CspHtmlWebpackPlugin',