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Diffstat (limited to 'popperjs/package/dist/esm/modifiers/preventOverflow.js')
| -rw-r--r-- | popperjs/package/dist/esm/modifiers/preventOverflow.js | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/popperjs/package/dist/esm/modifiers/preventOverflow.js b/popperjs/package/dist/esm/modifiers/preventOverflow.js new file mode 100644 index 0000000..729eedd --- /dev/null +++ b/popperjs/package/dist/esm/modifiers/preventOverflow.js @@ -0,0 +1,142 @@ +import { top, left, right, bottom, start } from "../enums.js"; +import getBasePlacement from "../utils/getBasePlacement.js"; +import getMainAxisFromPlacement from "../utils/getMainAxisFromPlacement.js"; +import getAltAxis from "../utils/getAltAxis.js"; +import { within, withinMaxClamp } from "../utils/within.js"; +import getLayoutRect from "../dom-utils/getLayoutRect.js"; +import getOffsetParent from "../dom-utils/getOffsetParent.js"; +import detectOverflow from "../utils/detectOverflow.js"; +import getVariation from "../utils/getVariation.js"; +import getFreshSideObject from "../utils/getFreshSideObject.js"; +import { min as mathMin, max as mathMax } from "../utils/math.js"; + +function preventOverflow(_ref) { + var state = _ref.state, + options = _ref.options, + name = _ref.name; + var _options$mainAxis = options.mainAxis, + checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis, + _options$altAxis = options.altAxis, + checkAltAxis = _options$altAxis === void 0 ? false : _options$altAxis, + boundary = options.boundary, + rootBoundary = options.rootBoundary, + altBoundary = options.altBoundary, + padding = options.padding, + _options$tether = options.tether, + tether = _options$tether === void 0 ? true : _options$tether, + _options$tetherOffset = options.tetherOffset, + tetherOffset = _options$tetherOffset === void 0 ? 0 : _options$tetherOffset; + var overflow = detectOverflow(state, { + boundary: boundary, + rootBoundary: rootBoundary, + padding: padding, + altBoundary: altBoundary + }); + var basePlacement = getBasePlacement(state.placement); + var variation = getVariation(state.placement); + var isBasePlacement = !variation; + var mainAxis = getMainAxisFromPlacement(basePlacement); + var altAxis = getAltAxis(mainAxis); + var popperOffsets = state.modifiersData.popperOffsets; + var referenceRect = state.rects.reference; + var popperRect = state.rects.popper; + var tetherOffsetValue = typeof tetherOffset === 'function' ? tetherOffset(Object.assign({}, state.rects, { + placement: state.placement + })) : tetherOffset; + var normalizedTetherOffsetValue = typeof tetherOffsetValue === 'number' ? { + mainAxis: tetherOffsetValue, + altAxis: tetherOffsetValue + } : Object.assign({ + mainAxis: 0, + altAxis: 0 + }, tetherOffsetValue); + var offsetModifierState = state.modifiersData.offset ? state.modifiersData.offset[state.placement] : null; + var data = { + x: 0, + y: 0 + }; + + if (!popperOffsets) { + return; + } + + if (checkMainAxis) { + var _offsetModifierState$; + + var mainSide = mainAxis === 'y' ? top : left; + var altSide = mainAxis === 'y' ? bottom : right; + var len = mainAxis === 'y' ? 'height' : 'width'; + var offset = popperOffsets[mainAxis]; + var min = offset + overflow[mainSide]; + var max = offset - overflow[altSide]; + var additive = tether ? -popperRect[len] / 2 : 0; + var minLen = variation === start ? referenceRect[len] : popperRect[len]; + var maxLen = variation === start ? -popperRect[len] : -referenceRect[len]; // We need to include the arrow in the calculation so the arrow doesn't go + // outside the reference bounds + + var arrowElement = state.elements.arrow; + var arrowRect = tether && arrowElement ? getLayoutRect(arrowElement) : { + width: 0, + height: 0 + }; + var arrowPaddingObject = state.modifiersData['arrow#persistent'] ? state.modifiersData['arrow#persistent'].padding : getFreshSideObject(); + var arrowPaddingMin = arrowPaddingObject[mainSide]; + var arrowPaddingMax = arrowPaddingObject[altSide]; // If the reference length is smaller than the arrow length, we don't want + // to include its full size in the calculation. If the reference is small + // and near the edge of a boundary, the popper can overflow even if the + // reference is not overflowing as well (e.g. virtual elements with no + // width or height) + + var arrowLen = within(0, referenceRect[len], arrowRect[len]); + var minOffset = isBasePlacement ? referenceRect[len] / 2 - additive - arrowLen - arrowPaddingMin - normalizedTetherOffsetValue.mainAxis : minLen - arrowLen - arrowPaddingMin - normalizedTetherOffsetValue.mainAxis; + var maxOffset = isBasePlacement ? -referenceRect[len] / 2 + additive + arrowLen + arrowPaddingMax + normalizedTetherOffsetValue.mainAxis : maxLen + arrowLen + arrowPaddingMax + normalizedTetherOffsetValue.mainAxis; + var arrowOffsetParent = state.elements.arrow && getOffsetParent(state.elements.arrow); + var clientOffset = arrowOffsetParent ? mainAxis === 'y' ? arrowOffsetParent.clientTop || 0 : arrowOffsetParent.clientLeft || 0 : 0; + var offsetModifierValue = (_offsetModifierState$ = offsetModifierState == null ? void 0 : offsetModifierState[mainAxis]) != null ? _offsetModifierState$ : 0; + var tetherMin = offset + minOffset - offsetModifierValue - clientOffset; + var tetherMax = offset + maxOffset - offsetModifierValue; + var preventedOffset = within(tether ? mathMin(min, tetherMin) : min, offset, tether ? mathMax(max, tetherMax) : max); + popperOffsets[mainAxis] = preventedOffset; + data[mainAxis] = preventedOffset - offset; + } + + if (checkAltAxis) { + var _offsetModifierState$2; + + var _mainSide = mainAxis === 'x' ? top : left; + + var _altSide = mainAxis === 'x' ? bottom : right; + + var _offset = popperOffsets[altAxis]; + + var _len = altAxis === 'y' ? 'height' : 'width'; + + var _min = _offset + overflow[_mainSide]; + + var _max = _offset - overflow[_altSide]; + + var isOriginSide = [top, left].indexOf(basePlacement) !== -1; + + var _offsetModifierValue = (_offsetModifierState$2 = offsetModifierState == null ? void 0 : offsetModifierState[altAxis]) != null ? _offsetModifierState$2 : 0; + + var _tetherMin = isOriginSide ? _min : _offset - referenceRect[_len] - popperRect[_len] - _offsetModifierValue + normalizedTetherOffsetValue.altAxis; + + var _tetherMax = isOriginSide ? _offset + referenceRect[_len] + popperRect[_len] - _offsetModifierValue - normalizedTetherOffsetValue.altAxis : _max; + + var _preventedOffset = tether && isOriginSide ? withinMaxClamp(_tetherMin, _offset, _tetherMax) : within(tether ? _tetherMin : _min, _offset, tether ? _tetherMax : _max); + + popperOffsets[altAxis] = _preventedOffset; + data[altAxis] = _preventedOffset - _offset; + } + + state.modifiersData[name] = data; +} // eslint-disable-next-line import/no-unused-modules + + +export default { + name: 'preventOverflow', + enabled: true, + phase: 'main', + fn: preventOverflow, + requiresIfExists: ['offset'] +};
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