DevTools: Substring autocomplete in Console and StylesSideBar.

third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js

Index: third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js
diff --git a/third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js b/third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js
index f07ebc27333e272e9755076134a797a8afd39d37..718a594ec2370eb385e7d9a2f2b5b9db5866cdf9 100644
--- a/third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js
+++ b/third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js
@@ -244,7 +244,10 @@ WebInspector.JavaScriptAutocomplete._completionsForPrefix = function(dotNotation
       var quoteUsed = '"';
   }
 
-  var results = [];
+  var caseSensitivePrefix = [];

[lushnikov, 2016/11/03 22:06:51]

let's move this to where we use these

[einbinder, 2016/11/03 23:12:14]

Done.

+  var caseInsensitivePrefix = [];
+  var caseSensitiveAnywhere = [];
+  var caseInsensitiveAnywhere = [];
 
   if (!expressionString) {
     const keywords = [
@@ -272,11 +275,19 @@ WebInspector.JavaScriptAutocomplete._completionsForPrefix = function(dotNotation
 
     if (property.length < prefix.length)
       continue;
-    if (prefix.length && !property.startsWith(prefix))
+    if (prefix.length && property.toLowerCase().indexOf(prefix.toLowerCase()) === -1)
       continue;
-
     // Substitute actual newlines with newline characters. @see crbug.com/498421
-    results.push(property.split('\n').join('\\n'));
+    var prop = property.split('\n').join('\\n');
+
+    if (property.startsWith(prefix))
+      caseSensitivePrefix.push(prop);
+    else if (property.toLowerCase().startsWith(prefix.toLowerCase()))
+      caseInsensitivePrefix.push(prop);
+    else if (property.indexOf(prefix) !== -1)
+      caseSensitiveAnywhere.push(prop);
+    else
+      caseInsensitiveAnywhere.push(prop);
   }

[lushnikov, 2016/11/03 22:06:51]

I'm not convinced about JS case-insensetive autocomplete. But we can give it a
shot

[einbinder, 2016/11/03 23:12:14]

Yay!

-  return results;
+  return caseSensitivePrefix.concat(caseInsensitivePrefix).concat(caseSensitiveAnywhere).concat(caseInsensitiveAnywhere);
 };