2 files changed, 43 insertions, 0 deletions

diff --git a/src/util/index.js b/src/util/index.js
new file mode 100644
index 0000000..5bc0a78
--- /dev/null
+++ b/src/util/index.js
@@ -0,0 +1,8 @@
+import DateTimeFormat from 'gregorian-calendar-format';
+
+export function getFormatter(format, locale) {
+  if (typeof format === 'string') {
+    return new DateTimeFormat(format, locale.format);
+  }
+  return format;
+}
diff --git a/src/util/placements.js b/src/util/placements.js
new file mode 100644
index 0000000..2574da1
--- /dev/null
+++ b/src/util/placements.js
@@ -0,0 +1,35 @@
+const autoAdjustOverflow = {
+  adjustX: 1,
+  adjustY: 1,
+};
+
+const targetOffset = [0, 0];
+
+const placements = {
+  topLeft: {
+    points: ['tl', 'tl'],
+    overflow: autoAdjustOverflow,
+    offset: [0, -3],
+    targetOffset,
+  },
+  topRight: {
+    points: ['tr', 'tr'],
+    overflow: autoAdjustOverflow,
+    offset: [0, -3],
+    targetOffset,
+  },
+  bottomRight: {
+    points: ['br', 'br'],
+    overflow: autoAdjustOverflow,
+    offset: [0, 3],
+    targetOffset,
+  },
+  bottomLeft: {
+    points: ['bl', 'bl'],
+    overflow: autoAdjustOverflow,
+    offset: [0, 3],
+    targetOffset,
+  },
+};
+
+export default placements;