Modified package-lock.json

Add        src/getPlacement.ts

Author: bplok20010

package-lock.json

@@ -0,0 +1,141 @@
+const reg = /^\-/;
+
+function getOffset(h, v, offset) {
+	if (offset[0]) {
+		h += reg.test(offset[0]) ? offset[0] : "+" + offset[0];
+	}
+
+	if (offset[1]) {
+		v += reg.test(offset[1]) ? offset[1] : "+" + offset[1];
+	}
+
+	return [h, v].join(" ");
+}
+
+// at: point(at)
+// my: point(at) position of target
+
+type Placements =
+	| "center"
+	| "centerCenter"
+	| "left"
+	| "top"
+	| "right"
+	| "bottom"
+	| "leftCenter"
+	| "rightCenter"
+	| "topCenter"
+	| "bottomCenter"
+	| "topLeft"
+	| "leftTop"
+	| "topRight"
+	| "rightTop"
+	| "bottomRight"
+	| "rightBottom"
+	| "bottomLeft"
+	| "leftBottom";
+
+type Offset = [number, number];
+
+const placements = {
+	center: function (offset: Offset) {
+		return {
+			at: getOffset("center", "center", offset),
+			my: "center center",
+		};
+	},
+	centerCenter: function (offset: Offset) {
+		return {
+			at: getOffset("center", "center", offset),
+			my: "center center",
+		};
+	},
+	left: function (offset: Offset) {
+		return this.leftCenter(offset);
+	},
+	top: function (offset: Offset) {
+		return this.topCenter(offset);
+	},
+	right: function (offset: Offset) {
+		return this.rightCenter(offset);
+	},
+	bottom: function (offset: Offset) {
+		return this.bottomCenter(offset);
+	},
+	leftCenter: function (offset: Offset) {
+		return {
+			at: getOffset("left", "center", offset),
+			my: "right center",
+		};
+	},
+	rightCenter: function (offset: Offset) {
+		return {
+			at: getOffset("right", "center", offset),
+			my: "left center",
+		};
+	},
+	topCenter: function (offset: Offset) {
+		return {
+			at: getOffset("center", "top", offset),
+			my: "center bottom",
+		};
+	},
+	bottomCenter: function (offset: Offset) {
+		return {
+			at: getOffset("center", "bottom", offset),
+			my: "center top",
+		};
+	},
+	topLeft: function (offset: Offset) {
+		return {
+			at: getOffset("left", "top", offset),
+			my: "left bottom",
+		};
+	},
+	leftTop: function (offset: Offset) {
+		return {
+			at: getOffset("left", "top", offset),
+			my: "right top",
+		};
+	},
+	topRight: function (offset: Offset) {
+		return {
+			at: getOffset("right", "top", offset),
+			my: "right bottom",
+		};
+	},
+	rightTop: function (offset: Offset) {
+		return {
+			at: getOffset("right", "top", offset),
+			my: "left top",
+		};
+	},
+	bottomRight: function (offset: Offset) {
+		return {
+			at: getOffset("right", "bottom", offset),
+			my: "right top",
+		};
+	},
+	rightBottom: function (offset: Offset) {
+		return {
+			at: getOffset("right", "bottom", offset),
+			my: "left bottom",
+		};
+	},
+	bottomLeft: function (offset: Offset) {
+		return {
+			at: getOffset("left", "bottom", offset),
+			my: "left top",
+		};
+	},
+	leftBottom: function (offset: Offset) {
+		return {
+			at: getOffset("left", "bottom", offset),
+			my: "right bottom",
+		};
+	},
+};
+
+export default function getPlacement(placement: Placements, offset?: [number, number]) {
+	return placements[placement] ? placements[placement](offset || [0, 0]) : null;
+}