Improved line-by-line font handling

src/assets/Classes.js

@@ -0,0 +1,110 @@
+/**
+ * Represents a line item with text, font information, and spacing options.
+ * @param {String} text The contents of the line
+ * @param {FontInfo} fontInfo Font details to use for the line
+ * @param {Boolean} moveDownAfter Provide extra spacing after this line?
+ * @returns LineItem
+ */
+class LineItem {
+    constructor(text, fontInfo, moveDownAfter) {
+        this.text = text;
+        this.fontInfo = fontInfo;
+        this.moveDownAfter = moveDownAfter || false;
+
+        return this;
+    }
+
+    /**
+     * Set the contents of the line
+     * @param {String} text The contents of the line
+     * @returns LineItem
+     */
+    setText(text) {
+        if (typeof text !== 'string') {
+            throw new Error('Text must be a string');
+        }
+        this.text = text;
+        return this;
+    }
+
+    /**
+     * Set the font information for the line
+     * @param {FontInfo} fontInfo Font details to use for the line
+     * @returns LineItem
+     */
+    setFontInfo(fontInfo) {
+        if (!(fontInfo instanceof FontInfo)) {
+            throw new Error('fontInfo must be an instance of FontInfo');
+        }
+        this.fontInfo = fontInfo;
+        return this;
+    }
+
+    /**
+     * Set whether to provide extra spacing after this line
+     * @param {Boolean} moveDownAfter Provide extra spacing after this line?
+     * @returns LineItem
+     */
+    setMoveDownAfter(moveDownAfter) {
+        if (typeof moveDownAfter !== 'boolean') {
+            throw new Error('moveDownAfter must be a boolean');
+        }
+        this.moveDownAfter = moveDownAfter;
+        return this;
+    }
+}
+
+/**
+ * Represents font information including name, size, and style.
+ * @param {String} name The font name
+ * @param {Number} size The font size
+ * @param {String} style The font style
+ * @returns FontInfo
+ */
+class FontInfo {
+    constructor(name, size, style) {
+        this.name = name || 'Helvetica';
+        this.style = style || '';
+        this.size = size || 12;
+        return this;
+    }
+
+    /**
+     * Set the font name
+     * @param {String} name The font name
+     * @returns FontInfo
+     */
+    setName(name) {
+        if (typeof name !== 'string') {
+            throw new Error('Font name must be a string');
+        }
+        this.name = name;
+        return this;
+    }
+
+    /**
+     * Set the font size
+     * @param {Number} size The font size
+     * @returns FontInfo
+     */
+    setSize(size) {
+        if (typeof size !== 'number' || size <= 0) {
+            throw new Error('Font size must be a positive number');
+        }
+        this.size = size;
+        return this;
+    }
+
+    /**
+     * Set the font style
+     * @param {String} style The font style
+     * @returns FontInfo
+     */
+    setStyle(style) {
+        if (typeof style !== 'string') {
+            throw new Error('Font style must be a string');
+        }
+        this.style = style;
+        return this;
+    }
+}

src/index.html

@@ -157,6 +157,7 @@
 		</div>
 		<!-- Script Calls -->
 		<script src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.5.3/jspdf.debug.js" integrity="sha384-NaWTHo/8YCBYJ59830LTz/P4aQZK1sS0SneOgAvhsIl3zBu8r9RevNg5lHCHAuQ/" crossorigin="anonymous"></script>
+		<script src="./assets/Classes.js"></script>
 		<script src="./assets/ITThermal.js"></script>
 		<script src="https://cdn.tailwindcss.com"></script>
 	</body>