@tldraw/editor
Version:
tldraw infinite canvas SDK (editor).
43 lines (42 loc) • 1.61 kB
JavaScript
;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var normalizeWheel_exports = {};
__export(normalizeWheel_exports, {
normalizeWheel: () => normalizeWheel
});
module.exports = __toCommonJS(normalizeWheel_exports);
const MAX_ZOOM_STEP = 10;
const IS_DARWIN = /Mac|iPod|iPhone|iPad/.test(
// eslint-disable-next-line @typescript-eslint/no-deprecated
typeof window === "undefined" ? "node" : window.navigator.platform
);
function normalizeWheel(event) {
let { deltaY, deltaX } = event;
let deltaZ = 0;
if (event.ctrlKey || event.altKey || event.metaKey) {
deltaZ = (Math.abs(deltaY) > MAX_ZOOM_STEP ? MAX_ZOOM_STEP * Math.sign(deltaY) : deltaY) / 100;
} else {
if (event.shiftKey && !IS_DARWIN) {
deltaX = deltaY;
deltaY = 0;
}
}
return { x: -deltaX, y: -deltaY, z: -deltaZ };
}
//# sourceMappingURL=normalizeWheel.js.map