1 files changed, 10 insertions, 0 deletions
diff --git a/src/lib.ts b/src/lib.ts
index 1e4b1f9..28994f1 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -5,3 +5,13 @@
 export const MIN_DATE = -1000;
 export const MAX_DATE = 1000;
 export const SCALES = [200, 50, 10, 1, 0.2]; // Timeline gets divided into units of SCALES[0], then SCALES[1], etc
+
+export const WRITING_MODE_HORZ =
+	window.getComputedStyle(document.body)['writing-mode' as any].startsWith('horizontal');
+	// Used with ResizeObserver callbacks, to determine which resized dimensions are width and height
+
+export type TimelineRange = {
+	id: number,
+	start: number,
+	end: number,
+};