Merge pull request #14 from askorama/max-chars

src/index.test.ts

@@ -186,6 +186,20 @@ describe("trim method", () => {
       '<mark class="orama-highlight">The</mark> q'
     );
   });
+  it("should correctly trim the text when no match is found", () => {
+    const text = "The quick brown dog jumps over the lazy dog in a forrest";
+    const searchTerm = "fox";
+    const highlighter = new Highlight();
+
+    assert.strictEqual(
+      highlighter.highlight(text, searchTerm).trim(10),
+      "The quick ..."
+    );
+    assert.strictEqual(
+      highlighter.highlight(text, searchTerm).trim(10, false),
+      "The quick "
+    );
+  });
 });
 
 describe("special characters", () => {

src/index.ts

@@ -82,10 +82,11 @@ export class Highlight {
   }
 
   public trim(trimLength: number, ellipsis: boolean = true): string {
-    if (
-      this._positions.length === 0 ||
-      this._originalText.length <= trimLength
-    ) {
+    if (this._positions.length === 0) {
+      return `${this._HTML.substring(0, trimLength)}${ellipsis ? `...` : ""}`;
+    }
+
+    if (this._originalText.length <= trimLength) {
       return this._HTML;
     }