Additional Dependency Warning

Resolves #18
ember-polyfills · Jun 20, 2018 · 30e4a3b · 30e4a3b
1 parent f253f15
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diff --git a/README.md b/README.md
@@ -12,6 +12,8 @@ know and love, no longer surrounded by mustaches. \o/
 ember install ember-angle-bracket-invocation-polyfill
 ```
 
+You will additionally need to ensure ember-cli-htmlbars-inline-precompile is at least version 1.0.3.
+
 ## Usage
 
 The best usage guide is [the RFC itself](https://github.com/emberjs/rfcs/blob/master/text/0311-angle-bracket-invocation.md),

diff --git a/index.js b/index.js
@@ -12,6 +12,16 @@ module.exports = {
     let emberVersion = checker.forEmber();
 
     this.shouldPolyfill = emberVersion.lt('3.4.0-alpha.1');
+
+    let parentChecker = new VersionChecker(this.parent);
+    let precompileVersion = parentChecker.for('ember-cli-htmlbars-inline-precompile');
+
+    if (precompileVersion.exists() && precompileVersion.lt('1.0.3')) {
+      this.ui.writeWarnLine(
+        'Detected a version of ember-cli-htmlbars-inline-precompile that does not' +
+          ' support angle bracket invocation, please update to at least 1.0.3.'
+      );
+    }
   },
 
   setupPreprocessorRegistry(type, registry) {