feat(popup): add support for skipping filtering with prefix by introducing skipFilter flag

src/autocomplete.js

@@ -28,6 +28,7 @@ var preventParentScroll = require("./lib/scroll").preventParentScroll;
  * @property {string} [docText] - a plain text that would be displayed as an additional popup. If `docHTML` exists,
  * it would be used instead of `docText`.
  * @property {string} [completerId] - the identifier of the completer
+ * @property {boolean} [skipFilter] - a boolean value to decide if the popup item is going to skip the filtering process done using prefix text.
  * @property {import("../ace-internal").Ace.IRange} [range] - An object specifying the range of text to be replaced with the new completion value (experimental)
  * @property {any} [command] - A command to be executed after the completion is inserted (experimental)
  * @property {string} [snippet] - a text snippet that would be inserted when the completion is selected
@@ -1055,6 +1056,10 @@ class FilteredList {
         var upper = needle.toUpperCase();
         var lower = needle.toLowerCase();
         loop: for (var i = 0, item; item = items[i]; i++) {
+            if (item.skipFilter) {
+                results.push(item);
+                continue;
+            }
             var caption = (!this.ignoreCaption && item.caption) || item.value || item.snippet;
             if (!caption) continue;
             var lastIndex = -1;

src/autocomplete_test.js

@@ -5,7 +5,7 @@
 "use strict";
 
 var sendKey = require("./test/user").type;
 var {buildDom} = require("./lib/dom");
 var ace = require("./ace");
 var assert = require("./test/assertions");
 var user = require("./test/user");
@@ -944,6 +944,58 @@
         user.type(" value");
         assert.equal(completer.popup.isOpen, true);   
     },
+    "test: should skip filter if skipFilter flag is set to true in completion": function() {
+        var editor = initEditor("hello world\n");
+
+        var completer = {
+            getCompletions: function (editor, session, pos, prefix, callback) {
+                var completions = [
+                    {
+                        value: "example value",
+                        skipFilter: true
+                    }
+                ];
+                callback(null, completions);
+            }
+        };
+
+        editor.completers = [completer];
+
+        var completer = Autocomplete.for(editor);
+        // should not do filter out the completion item where skipFilter is true
+        user.type("notMatchingText");
+        assert.equal(completer.popup.data.length, 1);
+        assert.equal(completer.popup.isOpen, true);
+    },
+    "test: should use filter if skipFilter flag is set to false in completion": function() {
+        var editor = initEditor("hello world\n");
+
+        var completer = {
+            getCompletions: function (editor, session, pos, prefix, callback) {
+                var completions = [
+                    {
+                        value: "example value",
+                        skipFilter: false
+                    }
+                ];
+                callback(null, completions);
+            }
+        };
+
+        editor.completers = [completer];
+
+        var completer = Autocomplete.for(editor);
+
+        // should do filter out the completion item where skipFilter is false
+        user.type("notMatchingText");
+        assert.equal(completer.popup, undefined);
+
+        // normal filtering mechanism should work fine
+        user.type(" ex");
+        assert.equal(completer.popup.isOpen, true);
+        assert.equal(completer.popup.data.length, 1); 
+    },
+
     "test: should add inline preview content to aria-describedby": function(done) {
         var editor = initEditor("fun");
 
@@ -1599,7 +1651,7 @@
         assert.equal(Autocomplete.$sharedInstance == undefined, true);
         config.set("sharedPopups", true);
         var editor = initEditor("");
         var completer = Autocomplete.for(editor);
         assert.equal(Autocomplete.$sharedInstance == undefined, false);
     },
     "test: changing completion should render scrollbars correctly": function (done) {

types/ace-modules.d.ts

@@ -3224,6 +3224,10 @@ declare module "ace-code/src/autocomplete" {
          * - the identifier of the completer
          */
         completerId?: string;
+        /**
+         * - a boolean value to decide if the popup item is going to skip the filtering process done using prefix text.
+         */
+        skipFilter?: boolean;
         /**
          * - An object specifying the range of text to be replaced with the new completion value (experimental)
          */