@tamagui/react-native-web-lite
Version:
React Native for Web
79 lines • 3.74 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: !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 __toCommonJS = mod => __copyProps(__defProp({}, "__esModule", {
value: !0
}), mod);
var CellRenderMask_exports = {};
__export(CellRenderMask_exports, {
CellRenderMask: () => CellRenderMask
});
module.exports = __toCommonJS(CellRenderMask_exports);
var import_react_native_web_internals = require("@tamagui/react-native-web-internals");
class CellRenderMask {
constructor(numCells) {
(0, import_react_native_web_internals.invariant)(numCells >= 0, "CellRenderMask must contain a non-negative number os cells"), this._numCells = numCells, numCells === 0 ? this._regions = [] : this._regions = [{
first: 0,
last: numCells - 1,
isSpacer: !0
}];
}
enumerateRegions() {
return this._regions;
}
addCells(cells) {
if ((0, import_react_native_web_internals.invariant)(cells.first >= 0 && cells.first < this._numCells && cells.last >= -1 && cells.last < this._numCells && cells.last >= cells.first - 1, "CellRenderMask.addCells called with invalid cell range"), cells.last < cells.first) return;
const [firstIntersect, firstIntersectIdx] = this._findRegion(cells.first),
[lastIntersect, lastIntersectIdx] = this._findRegion(cells.last);
if (firstIntersectIdx === lastIntersectIdx && !firstIntersect.isSpacer) return;
const newLeadRegion = [],
newTailRegion = [],
newMainRegion = {
...cells,
isSpacer: !1
};
firstIntersect.first < newMainRegion.first && (firstIntersect.isSpacer ? newLeadRegion.push({
first: firstIntersect.first,
last: newMainRegion.first - 1,
isSpacer: !0
}) : newMainRegion.first = firstIntersect.first), lastIntersect.last > newMainRegion.last && (lastIntersect.isSpacer ? newTailRegion.push({
first: newMainRegion.last + 1,
last: lastIntersect.last,
isSpacer: !0
}) : newMainRegion.last = lastIntersect.last);
const replacementRegions = [...newLeadRegion, newMainRegion, ...newTailRegion],
numRegionsToDelete = lastIntersectIdx - firstIntersectIdx + 1;
this._regions.splice(firstIntersectIdx, numRegionsToDelete, ...replacementRegions);
}
numCells() {
return this._numCells;
}
equals(other) {
return this._numCells === other._numCells && this._regions.length === other._regions.length && this._regions.every((region, i) => region.first === other._regions[i].first && region.last === other._regions[i].last && region.isSpacer === other._regions[i].isSpacer);
}
_findRegion(cellIdx) {
let firstIdx = 0,
lastIdx = this._regions.length - 1;
for (; firstIdx <= lastIdx;) {
const middleIdx = Math.floor((firstIdx + lastIdx) / 2),
middleRegion = this._regions[middleIdx];
if (cellIdx >= middleRegion.first && cellIdx <= middleRegion.last) return [middleRegion, middleIdx];
cellIdx < middleRegion.first ? lastIdx = middleIdx - 1 : cellIdx > middleRegion.last && (firstIdx = middleIdx + 1);
}
(0, import_react_native_web_internals.invariant)(!1, `A region was not found containing cellIdx ${cellIdx}`);
}
}