@tamagui/react-native-web-lite
Version:
React Native for Web
115 lines (114 loc) • 4.72 kB
JavaScript
;
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf, __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: !0 });
}, __copyProps = (to, from, except, desc) => {
if (from && typeof from == "object" || typeof from == "function")
for (let key of __getOwnPropNames(from))
!__hasOwnProp.call(to, key) && key !== except && __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: !0 }) : target,
mod
)), __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: !0 }), mod);
var ScrollViewBase_exports = {};
__export(ScrollViewBase_exports, {
default: () => ScrollViewBase_default
});
module.exports = __toCommonJS(ScrollViewBase_exports);
var import_jsx_runtime = require("react/jsx-runtime"), import_react_native_web_internals = require("@tamagui/react-native-web-internals"), React = __toESM(require("react")), import_View = __toESM(require("../View/index"));
function normalizeScrollEvent(e) {
return {
nativeEvent: {
contentOffset: {
get x() {
return e.target.scrollLeft;
},
get y() {
return e.target.scrollTop;
}
},
contentSize: {
get height() {
return e.target.scrollHeight;
},
get width() {
return e.target.scrollWidth;
}
},
layoutMeasurement: {
get height() {
return e.target.offsetHeight;
},
get width() {
return e.target.offsetWidth;
}
}
},
timeStamp: Date.now()
};
}
function shouldEmitScrollEvent(lastTick, eventThrottle) {
var timeSinceLastTick = Date.now() - lastTick;
return eventThrottle > 0 && timeSinceLastTick >= eventThrottle;
}
var ScrollViewBase = /* @__PURE__ */ React.forwardRef(function(props, forwardedRef) {
var { onScroll, onTouchMove, onWheel, scrollEnabled = !0, scrollEventThrottle = 0, showsHorizontalScrollIndicator, showsVerticalScrollIndicator, style, ...rest } = props, scrollState = React.useRef({
isScrolling: !1,
scrollLastTick: 0
}), scrollTimeout = React.useRef(null), scrollRef = React.useRef(null);
function createPreventableScrollHandler(handler) {
return function(e) {
scrollEnabled && handler && handler(e);
};
}
function handleScroll(e) {
e.stopPropagation(), e.target === scrollRef.current && (e.persist(), scrollTimeout.current != null && clearTimeout(scrollTimeout.current), scrollTimeout.current = setTimeout(function() {
handleScrollEnd(e);
}, 100), scrollState.current.isScrolling ? shouldEmitScrollEvent(scrollState.current.scrollLastTick, scrollEventThrottle) && handleScrollTick(e) : handleScrollStart(e));
}
function handleScrollStart(e) {
scrollState.current.isScrolling = !0, handleScrollTick(e);
}
function handleScrollTick(e) {
scrollState.current.scrollLastTick = Date.now(), onScroll && onScroll(normalizeScrollEvent(e));
}
function handleScrollEnd(e) {
scrollState.current.isScrolling = !1, onScroll && onScroll(normalizeScrollEvent(e));
}
var hideScrollbar = showsHorizontalScrollIndicator === !1 || showsVerticalScrollIndicator === !1;
return /* @__PURE__ */ (0, import_jsx_runtime.jsx)(import_View.default, {
...rest,
onScroll: handleScroll,
onTouchMove: createPreventableScrollHandler(onTouchMove),
onWheel: createPreventableScrollHandler(onWheel),
ref: (0, import_react_native_web_internals.useMergeRefs)(scrollRef, forwardedRef),
style: [
style,
// @ts-ignore
!scrollEnabled && styles.scrollDisabled,
// @ts-ignore
hideScrollbar && styles.hideScrollbar
]
});
}), styles = {
scrollDisabled: {
overflowX: "hidden",
overflowY: "hidden",
touchAction: "none"
},
hideScrollbar: {
scrollbarWidth: "none"
}
}, ScrollViewBase_default = ScrollViewBase;
//# sourceMappingURL=ScrollViewBase.js.map