Indent after linebreak (#879)

* add indentAllLines option to indent all lines of a paragraph instead of only the first one

* update comments

* Update CHANGELOG.md

---------

Co-authored-by: Libor M. <liborm85@gmail.com>

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Update linebreak to 1.1
 - Add support for spot colors
 - Add support to scale text horizontally
+- Add an option to keep the indentation after a new line starts and allow to indent a whole paragraph/text element
 - Fix sets tab order to "Structure" when a document is tagged
 - Fix font cache collision for fonts with missing postscript name or bad TTF metadata
 - Fix measuring text when OpenType features are passed in to .text()

docs/text.md

@@ -90,6 +90,7 @@ below.
 * `columns` - the number of columns to flow the text into
 * `columnGap` - the amount of space between each column (1/4 inch by default)
 * `indent` - the amount in PDF points (72 per inch) to indent each paragraph of text
+* `indentAllLines` - wheter to indent all lines of a paragraph (`false` by default - indents only the first line)
 * `paragraphGap` - the amount of space between each paragraph of text
 * `lineGap` - the amount of space between each line of text
 * `wordSpacing` - the amount of space between each word in the text

lib/line_wrapper.js

@@ -40,6 +40,13 @@ class LineWrapper extends EventEmitter {
       this.document.x += indent;
       this.lineWidth -= indent;
 
+      // if indentAllLines is set to true
+      // we're not resetting the indentation for this paragraph after the first line
+      if (options.indentAllLines) {
+        return;
+      }
+
+      // otherwise we start the next line without indent
       return this.once('line', () => {
         this.document.x -= indent;
         this.lineWidth += indent;