backport TextLayout types fix

Co-Authored-By: Hideo Hattori <hhatto.jp@gmail.com>

Author: evanwashere

.gitignore

@@ -1,5 +1,6 @@
 old/
 .idea/
-.nyc_output/
 coverage/
+.DS_Store
+.nyc_output/
 .node_modules/

ImageScript.js

@@ -1485,7 +1485,7 @@ export class GIF extends Array {
     }
 }
 
-class TextLayout {
+export class TextLayout {
     /**
      * Layout options for {@link renderText}
      * @param {object} options
@@ -1494,7 +1494,7 @@ class TextLayout {
      * @param {string} [options.wrapStyle='string'] The texts wrap style when reaching the max width (word, char)
      * @param {string} [options.verticalAlign='left'] The vertical align mode (left, center, right)
      * @param {string} [options.horizontalAlign='top'] The horizontal align mode (top, middle, bottom)
-     * @param {string} [options.wrapHardBreaks=true] Whether to force wrap at new line characters
+     * @param {boolean} [options.wrapHardBreaks=true] Whether to force wrap at new line characters
      */
     constructor(options) {
         const {maxWidth, maxHeight, wrapStyle, verticalAlign, horizontalAlign, wrapHardBreaks} = options ?? {};