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import { top, left, right, bottom, end } from "../enums.js";
import getOffsetParent from "../dom-utils/getOffsetParent.js";
import getWindow from "../dom-utils/getWindow.js";
import getDocumentElement from "../dom-utils/getDocumentElement.js";
import getComputedStyle from "../dom-utils/getComputedStyle.js";
import getBasePlacement from "../utils/getBasePlacement.js";
import getVariation from "../utils/getVariation.js";
import { round } from "../utils/math.js"; // eslint-disable-next-line import/no-unused-modules
var unsetSides = {
top: 'auto',
right: 'auto',
bottom: 'auto',
left: 'auto'
}; // Round the offsets to the nearest suitable subpixel based on the DPR.
// Zooming can change the DPR, but it seems to report a value that will
// cleanly divide the values into the appropriate subpixels.
function roundOffsetsByDPR(_ref) {
var x = _ref.x,
y = _ref.y;
var win = window;
var dpr = win.devicePixelRatio || 1;
return {
x: round(x * dpr) / dpr || 0,
y: round(y * dpr) / dpr || 0
};
}
export function mapToStyles(_ref2) {
var _Object$assign2;
var popper = _ref2.popper,
popperRect = _ref2.popperRect,
placement = _ref2.placement,
variation = _ref2.variation,
offsets = _ref2.offsets,
position = _ref2.position,
gpuAcceleration = _ref2.gpuAcceleration,
adaptive = _ref2.adaptive,
roundOffsets = _ref2.roundOffsets,
isFixed = _ref2.isFixed;
var _ref3 = roundOffsets === true ? roundOffsetsByDPR(offsets) : typeof roundOffsets === 'function' ? roundOffsets(offsets) : offsets,
_ref3$x = _ref3.x,
x = _ref3$x === void 0 ? 0 : _ref3$x,
_ref3$y = _ref3.y,
y = _ref3$y === void 0 ? 0 : _ref3$y;
var hasX = offsets.hasOwnProperty('x');
var hasY = offsets.hasOwnProperty('y');
var sideX = left;
var sideY = top;
var win = window;
if (adaptive) {
var offsetParent = getOffsetParent(popper);
var heightProp = 'clientHeight';
var widthProp = 'clientWidth';
if (offsetParent === getWindow(popper)) {
offsetParent = getDocumentElement(popper);
if (getComputedStyle(offsetParent).position !== 'static' && position === 'absolute') {
heightProp = 'scrollHeight';
widthProp = 'scrollWidth';
}
} // $FlowFixMe[incompatible-cast]: force type refinement, we compare offsetParent with window above, but Flow doesn't detect it
offsetParent = offsetParent;
if (placement === top || (placement === left || placement === right) && variation === end) {
sideY = bottom;
var offsetY = isFixed && win.visualViewport ? win.visualViewport.height : // $FlowFixMe[prop-missing]
offsetParent[heightProp];
y -= offsetY - popperRect.height;
y *= gpuAcceleration ? 1 : -1;
}
if (placement === left || (placement === top || placement === bottom) && variation === end) {
sideX = right;
var offsetX = isFixed && win.visualViewport ? win.visualViewport.width : // $FlowFixMe[prop-missing]
offsetParent[widthProp];
x -= offsetX - popperRect.width;
x *= gpuAcceleration ? 1 : -1;
}
}
var commonStyles = Object.assign({
position: position
}, adaptive && unsetSides);
if (gpuAcceleration) {
var _Object$assign;
return Object.assign({}, commonStyles, (_Object$assign = {}, _Object$assign[sideY] = hasY ? '0' : '', _Object$assign[sideX] = hasX ? '0' : '', _Object$assign.transform = (win.devicePixelRatio || 1) <= 1 ? "translate(" + x + "px, " + y + "px)" : "translate3d(" + x + "px, " + y + "px, 0)", _Object$assign));
}
return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2));
}
function computeStyles(_ref4) {
var state = _ref4.state,
options = _ref4.options;
var _options$gpuAccelerat = options.gpuAcceleration,
gpuAcceleration = _options$gpuAccelerat === void 0 ? true : _options$gpuAccelerat,
_options$adaptive = options.adaptive,
adaptive = _options$adaptive === void 0 ? true : _options$adaptive,
_options$roundOffsets = options.roundOffsets,
roundOffsets = _options$roundOffsets === void 0 ? true : _options$roundOffsets;
if (process.env.NODE_ENV !== "production") {
var transitionProperty = getComputedStyle(state.elements.popper).transitionProperty || '';
if (adaptive && ['transform', 'top', 'right', 'bottom', 'left'].some(function (property) {
return transitionProperty.indexOf(property) >= 0;
})) {
console.warn(['Popper: Detected CSS transitions on at least one of the following', 'CSS properties: "transform", "top", "right", "bottom", "left".', '\n\n', 'Disable the "computeStyles" modifier\'s `adaptive` option to allow', 'for smooth transitions, or remove these properties from the CSS', 'transition declaration on the popper element if only transitioning', 'opacity or background-color for example.', '\n\n', 'We recommend using the popper element as a wrapper around an inner', 'element that can have any CSS property transitioned for animations.'].join(' '));
}
}
var commonStyles = {
placement: getBasePlacement(state.placement),
variation: getVariation(state.placement),
popper: state.elements.popper,
popperRect: state.rects.popper,
gpuAcceleration: gpuAcceleration,
isFixed: state.options.strategy === 'fixed'
};
if (state.modifiersData.popperOffsets != null) {
state.styles.popper = Object.assign({}, state.styles.popper, mapToStyles(Object.assign({}, commonStyles, {
offsets: state.modifiersData.popperOffsets,
position: state.options.strategy,
adaptive: adaptive,
roundOffsets: roundOffsets
})));
}
if (state.modifiersData.arrow != null) {
state.styles.arrow = Object.assign({}, state.styles.arrow, mapToStyles(Object.assign({}, commonStyles, {
offsets: state.modifiersData.arrow,
position: 'absolute',
adaptive: false,
roundOffsets: roundOffsets
})));
}
state.attributes.popper = Object.assign({}, state.attributes.popper, {
'data-popper-placement': state.placement
});
} // eslint-disable-next-line import/no-unused-modules
export default {
name: 'computeStyles',
enabled: true,
phase: 'beforeWrite',
fn: computeStyles,
data: {}
};
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