Hinzufügen der Bibliotheken flag-icons, popper und select2 zur Verbesserung der Dropdown-, Tooltip- und Auswahlfeldfunktionalität.

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/applyStyles.js

@@ -0,0 +1,84 @@
+import getNodeName from "../dom-utils/getNodeName.js";
+import { isHTMLElement } from "../dom-utils/instanceOf.js"; // This modifier takes the styles prepared by the `computeStyles` modifier
+// and applies them to the HTMLElements such as popper and arrow
+
+function applyStyles(_ref) {
+  var state = _ref.state;
+  Object.keys(state.elements).forEach(function (name) {
+    var style = state.styles[name] || {};
+    var attributes = state.attributes[name] || {};
+    var element = state.elements[name]; // arrow is optional + virtual elements
+
+    if (!isHTMLElement(element) || !getNodeName(element)) {
+      return;
+    } // Flow doesn't support to extend this property, but it's the most
+    // effective way to apply styles to an HTMLElement
+    // $FlowFixMe[cannot-write]
+
+
+    Object.assign(element.style, style);
+    Object.keys(attributes).forEach(function (name) {
+      var value = attributes[name];
+
+      if (value === false) {
+        element.removeAttribute(name);
+      } else {
+        element.setAttribute(name, value === true ? '' : value);
+      }
+    });
+  });
+}
+
+function effect(_ref2) {
+  var state = _ref2.state;
+  var initialStyles = {
+    popper: {
+      position: state.options.strategy,
+      left: '0',
+      top: '0',
+      margin: '0'
+    },
+    arrow: {
+      position: 'absolute'
+    },
+    reference: {}
+  };
+  Object.assign(state.elements.popper.style, initialStyles.popper);
+  state.styles = initialStyles;
+
+  if (state.elements.arrow) {
+    Object.assign(state.elements.arrow.style, initialStyles.arrow);
+  }
+
+  return function () {
+    Object.keys(state.elements).forEach(function (name) {
+      var element = state.elements[name];
+      var attributes = state.attributes[name] || {};
+      var styleProperties = Object.keys(state.styles.hasOwnProperty(name) ? state.styles[name] : initialStyles[name]); // Set all values to an empty string to unset them
+
+      var style = styleProperties.reduce(function (style, property) {
+        style[property] = '';
+        return style;
+      }, {}); // arrow is optional + virtual elements
+
+      if (!isHTMLElement(element) || !getNodeName(element)) {
+        return;
+      }
+
+      Object.assign(element.style, style);
+      Object.keys(attributes).forEach(function (attribute) {
+        element.removeAttribute(attribute);
+      });
+    });
+  };
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'applyStyles',
+  enabled: true,
+  phase: 'write',
+  fn: applyStyles,
+  effect: effect,
+  requires: ['computeStyles']
+};

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/arrow.js

@@ -0,0 +1,90 @@
+import getBasePlacement from "../utils/getBasePlacement.js";
+import getLayoutRect from "../dom-utils/getLayoutRect.js";
+import contains from "../dom-utils/contains.js";
+import getOffsetParent from "../dom-utils/getOffsetParent.js";
+import getMainAxisFromPlacement from "../utils/getMainAxisFromPlacement.js";
+import { within } from "../utils/within.js";
+import mergePaddingObject from "../utils/mergePaddingObject.js";
+import expandToHashMap from "../utils/expandToHashMap.js";
+import { left, right, basePlacements, top, bottom } from "../enums.js"; // eslint-disable-next-line import/no-unused-modules
+
+var toPaddingObject = function toPaddingObject(padding, state) {
+  padding = typeof padding === 'function' ? padding(Object.assign({}, state.rects, {
+    placement: state.placement
+  })) : padding;
+  return mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
+};
+
+function arrow(_ref) {
+  var _state$modifiersData$;
+
+  var state = _ref.state,
+      name = _ref.name,
+      options = _ref.options;
+  var arrowElement = state.elements.arrow;
+  var popperOffsets = state.modifiersData.popperOffsets;
+  var basePlacement = getBasePlacement(state.placement);
+  var axis = getMainAxisFromPlacement(basePlacement);
+  var isVertical = [left, right].indexOf(basePlacement) >= 0;
+  var len = isVertical ? 'height' : 'width';
+
+  if (!arrowElement || !popperOffsets) {
+    return;
+  }
+
+  var paddingObject = toPaddingObject(options.padding, state);
+  var arrowRect = getLayoutRect(arrowElement);
+  var minProp = axis === 'y' ? top : left;
+  var maxProp = axis === 'y' ? bottom : right;
+  var endDiff = state.rects.reference[len] + state.rects.reference[axis] - popperOffsets[axis] - state.rects.popper[len];
+  var startDiff = popperOffsets[axis] - state.rects.reference[axis];
+  var arrowOffsetParent = getOffsetParent(arrowElement);
+  var clientSize = arrowOffsetParent ? axis === 'y' ? arrowOffsetParent.clientHeight || 0 : arrowOffsetParent.clientWidth || 0 : 0;
+  var centerToReference = endDiff / 2 - startDiff / 2; // Make sure the arrow doesn't overflow the popper if the center point is
+  // outside of the popper bounds
+
+  var min = paddingObject[minProp];
+  var max = clientSize - arrowRect[len] - paddingObject[maxProp];
+  var center = clientSize / 2 - arrowRect[len] / 2 + centerToReference;
+  var offset = within(min, center, max); // Prevents breaking syntax highlighting...
+
+  var axisProp = axis;
+  state.modifiersData[name] = (_state$modifiersData$ = {}, _state$modifiersData$[axisProp] = offset, _state$modifiersData$.centerOffset = offset - center, _state$modifiersData$);
+}
+
+function effect(_ref2) {
+  var state = _ref2.state,
+      options = _ref2.options;
+  var _options$element = options.element,
+      arrowElement = _options$element === void 0 ? '[data-popper-arrow]' : _options$element;
+
+  if (arrowElement == null) {
+    return;
+  } // CSS selector
+
+
+  if (typeof arrowElement === 'string') {
+    arrowElement = state.elements.popper.querySelector(arrowElement);
+
+    if (!arrowElement) {
+      return;
+    }
+  }
+
+  if (!contains(state.elements.popper, arrowElement)) {
+    return;
+  }
+
+  state.elements.arrow = arrowElement;
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'arrow',
+  enabled: true,
+  phase: 'main',
+  fn: arrow,
+  effect: effect,
+  requires: ['popperOffsets'],
+  requiresIfExists: ['preventOverflow']
+};

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/computeStyles.js

@@ -0,0 +1,169 @@
+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, win) {
+  var x = _ref.x,
+      y = _ref.y;
+  var dpr = win.devicePixelRatio || 1;
+  return {
+    x: round(x * dpr) / dpr || 0,
+    y: round(y * dpr) / dpr || 0
+  };
+}
+
+export function mapToStyles(_ref2) {
+  var _Object$assign2;
+
+  var popper = _ref2.popper,
+      popperRect = _ref2.popperRect,
+      placement = _ref2.placement,
+      variation = _ref2.variation,
+      offsets = _ref2.offsets,
+      position = _ref2.position,
+      gpuAcceleration = _ref2.gpuAcceleration,
+      adaptive = _ref2.adaptive,
+      roundOffsets = _ref2.roundOffsets,
+      isFixed = _ref2.isFixed;
+  var _offsets$x = offsets.x,
+      x = _offsets$x === void 0 ? 0 : _offsets$x,
+      _offsets$y = offsets.y,
+      y = _offsets$y === void 0 ? 0 : _offsets$y;
+
+  var _ref3 = typeof roundOffsets === 'function' ? roundOffsets({
+    x: x,
+    y: y
+  }) : {
+    x: x,
+    y: y
+  };
+
+  x = _ref3.x;
+  y = _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 && offsetParent === win && 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 && offsetParent === win && win.visualViewport ? win.visualViewport.width : // $FlowFixMe[prop-missing]
+      offsetParent[widthProp];
+      x -= offsetX - popperRect.width;
+      x *= gpuAcceleration ? 1 : -1;
+    }
+  }
+
+  var commonStyles = Object.assign({
+    position: position
+  }, adaptive && unsetSides);
+
+  var _ref4 = roundOffsets === true ? roundOffsetsByDPR({
+    x: x,
+    y: y
+  }, getWindow(popper)) : {
+    x: x,
+    y: y
+  };
+
+  x = _ref4.x;
+  y = _ref4.y;
+
+  if (gpuAcceleration) {
+    var _Object$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(_ref5) {
+  var state = _ref5.state,
+      options = _ref5.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;
+  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: {}
+};

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/eventListeners.js

@@ -0,0 +1,49 @@
+import getWindow from "../dom-utils/getWindow.js"; // eslint-disable-next-line import/no-unused-modules
+
+var passive = {
+  passive: true
+};
+
+function effect(_ref) {
+  var state = _ref.state,
+      instance = _ref.instance,
+      options = _ref.options;
+  var _options$scroll = options.scroll,
+      scroll = _options$scroll === void 0 ? true : _options$scroll,
+      _options$resize = options.resize,
+      resize = _options$resize === void 0 ? true : _options$resize;
+  var window = getWindow(state.elements.popper);
+  var scrollParents = [].concat(state.scrollParents.reference, state.scrollParents.popper);
+
+  if (scroll) {
+    scrollParents.forEach(function (scrollParent) {
+      scrollParent.addEventListener('scroll', instance.update, passive);
+    });
+  }
+
+  if (resize) {
+    window.addEventListener('resize', instance.update, passive);
+  }
+
+  return function () {
+    if (scroll) {
+      scrollParents.forEach(function (scrollParent) {
+        scrollParent.removeEventListener('scroll', instance.update, passive);
+      });
+    }
+
+    if (resize) {
+      window.removeEventListener('resize', instance.update, passive);
+    }
+  };
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'eventListeners',
+  enabled: true,
+  phase: 'write',
+  fn: function fn() {},
+  effect: effect,
+  data: {}
+};

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/flip.js

@@ -0,0 +1,147 @@
+import getOppositePlacement from "../utils/getOppositePlacement.js";
+import getBasePlacement from "../utils/getBasePlacement.js";
+import getOppositeVariationPlacement from "../utils/getOppositeVariationPlacement.js";
+import detectOverflow from "../utils/detectOverflow.js";
+import computeAutoPlacement from "../utils/computeAutoPlacement.js";
+import { bottom, top, start, right, left, auto } from "../enums.js";
+import getVariation from "../utils/getVariation.js"; // eslint-disable-next-line import/no-unused-modules
+
+function getExpandedFallbackPlacements(placement) {
+  if (getBasePlacement(placement) === auto) {
+    return [];
+  }
+
+  var oppositePlacement = getOppositePlacement(placement);
+  return [getOppositeVariationPlacement(placement), oppositePlacement, getOppositeVariationPlacement(oppositePlacement)];
+}
+
+function flip(_ref) {
+  var state = _ref.state,
+      options = _ref.options,
+      name = _ref.name;
+
+  if (state.modifiersData[name]._skip) {
+    return;
+  }
+
+  var _options$mainAxis = options.mainAxis,
+      checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis,
+      _options$altAxis = options.altAxis,
+      checkAltAxis = _options$altAxis === void 0 ? true : _options$altAxis,
+      specifiedFallbackPlacements = options.fallbackPlacements,
+      padding = options.padding,
+      boundary = options.boundary,
+      rootBoundary = options.rootBoundary,
+      altBoundary = options.altBoundary,
+      _options$flipVariatio = options.flipVariations,
+      flipVariations = _options$flipVariatio === void 0 ? true : _options$flipVariatio,
+      allowedAutoPlacements = options.allowedAutoPlacements;
+  var preferredPlacement = state.options.placement;
+  var basePlacement = getBasePlacement(preferredPlacement);
+  var isBasePlacement = basePlacement === preferredPlacement;
+  var fallbackPlacements = specifiedFallbackPlacements || (isBasePlacement || !flipVariations ? [getOppositePlacement(preferredPlacement)] : getExpandedFallbackPlacements(preferredPlacement));
+  var placements = [preferredPlacement].concat(fallbackPlacements).reduce(function (acc, placement) {
+    return acc.concat(getBasePlacement(placement) === auto ? computeAutoPlacement(state, {
+      placement: placement,
+      boundary: boundary,
+      rootBoundary: rootBoundary,
+      padding: padding,
+      flipVariations: flipVariations,
+      allowedAutoPlacements: allowedAutoPlacements
+    }) : placement);
+  }, []);
+  var referenceRect = state.rects.reference;
+  var popperRect = state.rects.popper;
+  var checksMap = new Map();
+  var makeFallbackChecks = true;
+  var firstFittingPlacement = placements[0];
+
+  for (var i = 0; i < placements.length; i++) {
+    var placement = placements[i];
+
+    var _basePlacement = getBasePlacement(placement);
+
+    var isStartVariation = getVariation(placement) === start;
+    var isVertical = [top, bottom].indexOf(_basePlacement) >= 0;
+    var len = isVertical ? 'width' : 'height';
+    var overflow = detectOverflow(state, {
+      placement: placement,
+      boundary: boundary,
+      rootBoundary: rootBoundary,
+      altBoundary: altBoundary,
+      padding: padding
+    });
+    var mainVariationSide = isVertical ? isStartVariation ? right : left : isStartVariation ? bottom : top;
+
+    if (referenceRect[len] > popperRect[len]) {
+      mainVariationSide = getOppositePlacement(mainVariationSide);
+    }
+
+    var altVariationSide = getOppositePlacement(mainVariationSide);
+    var checks = [];
+
+    if (checkMainAxis) {
+      checks.push(overflow[_basePlacement] <= 0);
+    }
+
+    if (checkAltAxis) {
+      checks.push(overflow[mainVariationSide] <= 0, overflow[altVariationSide] <= 0);
+    }
+
+    if (checks.every(function (check) {
+      return check;
+    })) {
+      firstFittingPlacement = placement;
+      makeFallbackChecks = false;
+      break;
+    }
+
+    checksMap.set(placement, checks);
+  }
+
+  if (makeFallbackChecks) {
+    // `2` may be desired in some cases – research later
+    var numberOfChecks = flipVariations ? 3 : 1;
+
+    var _loop = function _loop(_i) {
+      var fittingPlacement = placements.find(function (placement) {
+        var checks = checksMap.get(placement);
+
+        if (checks) {
+          return checks.slice(0, _i).every(function (check) {
+            return check;
+          });
+        }
+      });
+
+      if (fittingPlacement) {
+        firstFittingPlacement = fittingPlacement;
+        return "break";
+      }
+    };
+
+    for (var _i = numberOfChecks; _i > 0; _i--) {
+      var _ret = _loop(_i);
+
+      if (_ret === "break") break;
+    }
+  }
+
+  if (state.placement !== firstFittingPlacement) {
+    state.modifiersData[name]._skip = true;
+    state.placement = firstFittingPlacement;
+    state.reset = true;
+  }
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'flip',
+  enabled: true,
+  phase: 'main',
+  fn: flip,
+  requiresIfExists: ['offset'],
+  data: {
+    _skip: false
+  }
+};

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/hide.js

@@ -0,0 +1,61 @@
+import { top, bottom, left, right } from "../enums.js";
+import detectOverflow from "../utils/detectOverflow.js";
+
+function getSideOffsets(overflow, rect, preventedOffsets) {
+  if (preventedOffsets === void 0) {
+    preventedOffsets = {
+      x: 0,
+      y: 0
+    };
+  }
+
+  return {
+    top: overflow.top - rect.height - preventedOffsets.y,
+    right: overflow.right - rect.width + preventedOffsets.x,
+    bottom: overflow.bottom - rect.height + preventedOffsets.y,
+    left: overflow.left - rect.width - preventedOffsets.x
+  };
+}
+
+function isAnySideFullyClipped(overflow) {
+  return [top, right, bottom, left].some(function (side) {
+    return overflow[side] >= 0;
+  });
+}
+
+function hide(_ref) {
+  var state = _ref.state,
+      name = _ref.name;
+  var referenceRect = state.rects.reference;
+  var popperRect = state.rects.popper;
+  var preventedOffsets = state.modifiersData.preventOverflow;
+  var referenceOverflow = detectOverflow(state, {
+    elementContext: 'reference'
+  });
+  var popperAltOverflow = detectOverflow(state, {
+    altBoundary: true
+  });
+  var referenceClippingOffsets = getSideOffsets(referenceOverflow, referenceRect);
+  var popperEscapeOffsets = getSideOffsets(popperAltOverflow, popperRect, preventedOffsets);
+  var isReferenceHidden = isAnySideFullyClipped(referenceClippingOffsets);
+  var hasPopperEscaped = isAnySideFullyClipped(popperEscapeOffsets);
+  state.modifiersData[name] = {
+    referenceClippingOffsets: referenceClippingOffsets,
+    popperEscapeOffsets: popperEscapeOffsets,
+    isReferenceHidden: isReferenceHidden,
+    hasPopperEscaped: hasPopperEscaped
+  };
+  state.attributes.popper = Object.assign({}, state.attributes.popper, {
+    'data-popper-reference-hidden': isReferenceHidden,
+    'data-popper-escaped': hasPopperEscaped
+  });
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'hide',
+  enabled: true,
+  phase: 'main',
+  requiresIfExists: ['preventOverflow'],
+  fn: hide
+};

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/index.js

@@ -0,0 +1,9 @@
+export { default as applyStyles } from "./applyStyles.js";
+export { default as arrow } from "./arrow.js";
+export { default as computeStyles } from "./computeStyles.js";
+export { default as eventListeners } from "./eventListeners.js";
+export { default as flip } from "./flip.js";
+export { default as hide } from "./hide.js";
+export { default as offset } from "./offset.js";
+export { default as popperOffsets } from "./popperOffsets.js";
+export { default as preventOverflow } from "./preventOverflow.js";

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/offset.js

@@ -0,0 +1,54 @@
+import getBasePlacement from "../utils/getBasePlacement.js";
+import { top, left, right, placements } from "../enums.js"; // eslint-disable-next-line import/no-unused-modules
+
+export function distanceAndSkiddingToXY(placement, rects, offset) {
+  var basePlacement = getBasePlacement(placement);
+  var invertDistance = [left, top].indexOf(basePlacement) >= 0 ? -1 : 1;
+
+  var _ref = typeof offset === 'function' ? offset(Object.assign({}, rects, {
+    placement: placement
+  })) : offset,
+      skidding = _ref[0],
+      distance = _ref[1];
+
+  skidding = skidding || 0;
+  distance = (distance || 0) * invertDistance;
+  return [left, right].indexOf(basePlacement) >= 0 ? {
+    x: distance,
+    y: skidding
+  } : {
+    x: skidding,
+    y: distance
+  };
+}
+
+function offset(_ref2) {
+  var state = _ref2.state,
+      options = _ref2.options,
+      name = _ref2.name;
+  var _options$offset = options.offset,
+      offset = _options$offset === void 0 ? [0, 0] : _options$offset;
+  var data = placements.reduce(function (acc, placement) {
+    acc[placement] = distanceAndSkiddingToXY(placement, state.rects, offset);
+    return acc;
+  }, {});
+  var _data$state$placement = data[state.placement],
+      x = _data$state$placement.x,
+      y = _data$state$placement.y;
+
+  if (state.modifiersData.popperOffsets != null) {
+    state.modifiersData.popperOffsets.x += x;
+    state.modifiersData.popperOffsets.y += y;
+  }
+
+  state.modifiersData[name] = data;
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'offset',
+  enabled: true,
+  phase: 'main',
+  requires: ['popperOffsets'],
+  fn: offset
+};

EnvelopeGenerator.Web/wwwroot/lib/popper/dist/esm/modifiers/popperOffsets.js

@@ -0,0 +1,25 @@
+import computeOffsets from "../utils/computeOffsets.js";
+
+function popperOffsets(_ref) {
+  var state = _ref.state,
+      name = _ref.name;
+  // Offsets are the actual position the popper needs to have to be
+  // properly positioned near its reference element
+  // This is the most basic placement, and will be adjusted by
+  // the modifiers in the next step
+  state.modifiersData[name] = computeOffsets({
+    reference: state.rects.reference,
+    element: state.rects.popper,
+    strategy: 'absolute',
+    placement: state.placement
+  });
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'popperOffsets',
+  enabled: true,
+  phase: 'read',
+  fn: popperOffsets,
+  data: {}
+};

EnvelopeGenerator.Web/wwwroot/lib/popper/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']
+};