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popoverMigrationUtils.ts
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popoverMigrationUtils.ts
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/*
* Copyright 2017 Palantir Technologies, Inc. All rights reserved.
* Licensed under the BSD-3 License as modified (the “License”); you may obtain a copy
* of the license at https://github.com/palantir/blueprint/blob/master/LICENSE
* and https://github.com/palantir/blueprint/blob/master/PATENTS
*/
import { Position } from "@blueprintjs/core";
import { Placement } from "./popover2";
/**
* Convert a position to a placement.
* @param position the position to convert
*/
export function positionToPlacement(position: Position): Placement {
switch (position) {
case Position.TOP_LEFT:
return "top-start";
case Position.TOP:
return "top";
case Position.TOP_RIGHT:
return "top-end";
case Position.RIGHT_TOP:
return "right-start";
case Position.RIGHT:
return "right";
case Position.RIGHT_BOTTOM:
return "right-end";
case Position.BOTTOM_RIGHT:
return "bottom-end";
case Position.BOTTOM:
return "bottom";
case Position.BOTTOM_LEFT:
return "bottom-start";
case Position.LEFT_BOTTOM:
return "left-end";
case Position.LEFT:
return "left";
case Position.LEFT_TOP:
return "left-start";
default:
return assertNever(position);
}
}
function assertNever(x: never): never {
throw new Error("Unexpected position: " + x);
}