@tldraw/editor
Version:
tldraw infinite canvas SDK (editor).
42 lines (41 loc) • 1.5 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 useRefState_exports = {};
__export(useRefState_exports, {
useRefState: () => useRefState
});
module.exports = __toCommonJS(useRefState_exports);
var import_react = require("react");
function useRefState(initialValue) {
const ref = (0, import_react.useRef)(initialValue);
const [state, setState] = (0, import_react.useState)(initialValue);
if (state !== ref.current) {
setState(ref.current);
}
const update = (0, import_react.useCallback)((value) => {
if (typeof value === "function") {
ref.current = value(ref.current);
} else {
ref.current = value;
}
setState(ref.current);
}, []);
return [state, update];
}
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