Add convenience methods for appending a newline/space to a component

api/src/main/java/net/kyori/adventure/text/Component.java

@@ -1733,6 +1733,28 @@ default void detectCycle(final @NotNull Component that) {
     return this.append(builder.build());
   }
 
+  /**
+   * Appends a newline to this component.
+   *
+   * @return a component with the newline added
+   * @since 4.12.0
+   */
+  @Contract(pure = true)
+  default @NotNull Component appendNewline() {
+    return this.append(newline());
+  }
+
+  /**
+   * Appends a space to this component.
+   *
+   * @return a component with the space added
+   * @since 4.12.0
+   */
+  @Contract(pure = true)
+  default @NotNull Component appendSpace() {
+    return this.append(space());
+  }
+
   /**
    * Apply a fallback style for this component and its children.
    *

api/src/main/java/net/kyori/adventure/text/ComponentBuilder.java

@@ -115,6 +115,26 @@ public interface ComponentBuilder<C extends BuildableComponent<C, B>, B extends
   @Contract("_ -> this")
   @NotNull B append(final @NotNull Iterable<? extends ComponentLike> components);
 
+  /**
+   * Appends a newline to this component.
+   *
+   * @return this builder
+   * @since 4.12.0
+   */
+  default @NotNull B appendNewline() {
+    return this.append(Component.newline());
+  }
+
+  /**
+   * Appends a space to this component.
+   *
+   * @return this builder
+   * @since 4.12.0
+   */
+  default @NotNull B appendSpace() {
+    return this.append(Component.space());
+  }
+
   /**
    * Applies an action to this builder.
    *

api/src/test/java/net/kyori/adventure/text/TextComponentTest.java

@@ -166,4 +166,24 @@ void testWrapping() {
     assertEquals(wrappedItalic.compact(), Component.text("italic").decoration(TextDecoration.ITALIC, true));
     assertEquals(wrappedNotItalic.compact(), Component.text("non-italic").decoration(TextDecoration.ITALIC, false));
   }
+
+  @Test
+  void testAppendNewline() {
+    final Component c0 = Component.text("tuba").appendNewline().append(Component.text("time"));
+    final Component c1 = Component.text().content("tuba").appendNewline().append(Component.text("time")).build();
+
+    final Component c0Compact = c0.compact();
+    assertEquals(c0Compact, Component.text("tuba\ntime"));
+    assertEquals(c0Compact, c1.compact());
+  }
+
+  @Test
+  void testAppendSpace() {
+    final Component c0 = Component.text("tuba").appendSpace().append(Component.text("time"));
+    final Component c1 = Component.text().content("tuba").appendSpace().append(Component.text("time")).build();
+
+    final Component c0Compact = c0.compact();
+    assertEquals(c0Compact, Component.text("tuba time"));
+    assertEquals(c0Compact, c1.compact());
+  }
 }