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Direktori : /var/www/html/node_modules/@popperjs/core/lib/utils/ |
Current File : /var/www/html/node_modules/@popperjs/core/lib/utils/detectOverflow.js |
import getClippingRect from "../dom-utils/getClippingRect.js"; import getDocumentElement from "../dom-utils/getDocumentElement.js"; import getBoundingClientRect from "../dom-utils/getBoundingClientRect.js"; import computeOffsets from "./computeOffsets.js"; import rectToClientRect from "./rectToClientRect.js"; import { clippingParents, reference, popper, bottom, top, right, basePlacements, viewport } from "../enums.js"; import { isElement } from "../dom-utils/instanceOf.js"; import mergePaddingObject from "./mergePaddingObject.js"; import expandToHashMap from "./expandToHashMap.js"; // eslint-disable-next-line import/no-unused-modules export default function detectOverflow(state, options) { if (options === void 0) { options = {}; } var _options = options, _options$placement = _options.placement, placement = _options$placement === void 0 ? state.placement : _options$placement, _options$boundary = _options.boundary, boundary = _options$boundary === void 0 ? clippingParents : _options$boundary, _options$rootBoundary = _options.rootBoundary, rootBoundary = _options$rootBoundary === void 0 ? viewport : _options$rootBoundary, _options$elementConte = _options.elementContext, elementContext = _options$elementConte === void 0 ? popper : _options$elementConte, _options$altBoundary = _options.altBoundary, altBoundary = _options$altBoundary === void 0 ? false : _options$altBoundary, _options$padding = _options.padding, padding = _options$padding === void 0 ? 0 : _options$padding; var paddingObject = mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements)); var altContext = elementContext === popper ? reference : popper; var popperRect = state.rects.popper; var element = state.elements[altBoundary ? altContext : elementContext]; var clippingClientRect = getClippingRect(isElement(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary); var referenceClientRect = getBoundingClientRect(state.elements.reference); var popperOffsets = computeOffsets({ reference: referenceClientRect, element: popperRect, strategy: 'absolute', placement: placement }); var popperClientRect = rectToClientRect(Object.assign({}, popperRect, popperOffsets)); var elementClientRect = elementContext === popper ? popperClientRect : referenceClientRect; // positive = overflowing the clipping rect // 0 or negative = within the clipping rect var overflowOffsets = { top: clippingClientRect.top - elementClientRect.top + paddingObject.top, bottom: elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom, left: clippingClientRect.left - elementClientRect.left + paddingObject.left, right: elementClientRect.right - clippingClientRect.right + paddingObject.right }; var offsetData = state.modifiersData.offset; // Offsets can be applied only to the popper element if (elementContext === popper && offsetData) { var offset = offsetData[placement]; Object.keys(overflowOffsets).forEach(function (key) { var multiply = [right, bottom].indexOf(key) >= 0 ? 1 : -1; var axis = [top, bottom].indexOf(key) >= 0 ? 'y' : 'x'; overflowOffsets[key] += offset[axis] * multiply; }); } return overflowOffsets; }