63 lines
1.3 KiB
JavaScript
63 lines
1.3 KiB
JavaScript
"use strict";
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var __read = this && this.__read || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o),
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r,
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ar = [],
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e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) {
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ar.push(r.value);
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}
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} catch (error) {
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e = {
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error: error
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};
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} finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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} finally {
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if (e) throw e.error;
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}
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}
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return ar;
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};
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var __importDefault = this && this.__importDefault || function (mod) {
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return mod && mod.__esModule ? mod : {
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"default": mod
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};
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};
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var react_1 = require("react");
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var useUnmount_1 = __importDefault(require("../useUnmount"));
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var useRafState = function useRafState(initialState) {
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var frame = react_1.useRef(0);
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var _a = __read(react_1.useState(initialState), 2),
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state = _a[0],
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setState = _a[1];
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var setRafState = react_1.useCallback(function (value) {
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cancelAnimationFrame(frame.current);
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frame.current = requestAnimationFrame(function () {
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setState(value);
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});
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}, []);
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useUnmount_1["default"](function () {
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cancelAnimationFrame(frame.current);
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});
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return [state, setRafState];
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};
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exports["default"] = useRafState; |