69ee8fd96a
* Add commercial licence and update config files
* Update license in headers
* Revert "Update license in headers"
This reverts commit 7ed7949485.
* Update only spdx id
* Remove LicenseRef- from package.json
LicenseRef- no longer allowed in npm v3 package.json
This fixes the warning in the logs and failing build check.
33 lines
936 B
TypeScript
33 lines
936 B
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE files in the repository root for full details.
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*/
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/**
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* Different browsers use different deltaModes. This causes different behaviour.
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* To avoid that we use this function to convert any event to pixels.
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* @param {WheelEvent} event to normalize
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* @returns {WheelEvent} normalized event event
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*/
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export function normalizeWheelEvent({ deltaMode, deltaX, deltaY, deltaZ, ...event }: WheelEvent): WheelEvent {
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const LINE_HEIGHT = 18;
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if (deltaMode === 1) {
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// Units are lines
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deltaX *= LINE_HEIGHT;
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deltaY *= LINE_HEIGHT;
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deltaZ *= LINE_HEIGHT;
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}
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return new WheelEvent("syntheticWheel", {
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deltaMode: 0,
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deltaY,
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deltaX,
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deltaZ,
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...event,
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});
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}
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