Fix crash when trying to auto-complete line that ends with quote (#399)

fixes #365

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 - `clojure.reflect` not bundled ([#369](https://github.com/anmonteiro/lumo/issues/369)).
 - `-e` with unfinished form hangs ([#375](https://github.com/anmonteiro/lumo/issues/375)).
+- Fix crash when trying to auto-complete a line ending with `'` ([#365](https://github.com/anmonteiro/lumo/issues/365)).
 
 ### Changes
 

build.boot

@@ -57,6 +57,7 @@
         :cljs-opts {:parallel-build true
                     :target :nodejs
                     :verbose true
+                    :npm-deps false
                     :asset-path "test_suite.out"}
         :update-fs? true
         :exit? exit?

src/cljs/snapshot/lumo/repl.cljs

@@ -1424,7 +1424,7 @@ This was taken from the reader specification plus tests at the Clojure REPL."}
                               #js []
                               (if skip-suffix-check?
                                 (completion-candidates top-level? ns-alias)
-                                (filter #(is-completion? line-match-suffix %)
+                                (filter #(some-> line-match-suffix (is-completion? %))
                                         (completion-candidates top-level? ns-alias))))]
       (cb (doto completions
             .sort)))))

src/test/lumo/lumo/repl_tests.cljs

@@ -148,7 +148,10 @@
         (is-completion "foo-1.core/" ["foo-1.core/baz-3" "foo-1.core/bar2" "foo-1.core/xyz"])
         (is-completion "foo-1.core/ba" ["foo-1.core/baz-3" "foo-1.core/bar2"])))
     (testing "LUMO-362"
-      (is-contains-completion "(+" "(+"))))
+      (is-contains-completion "(+" "(+"))
+    (testing "LUMO-365"
+      (is-empty-completion "(require '")
+      (is-empty-completion "'"))))
 
 
 (deftest test-root-resource