PLACEMENT_BOTTOMEND = 'bottom-end'\nconst PLACEMENT_RIGHT = 'right-start'\nconst PLACEMENT_LEFT = 'left-start'\n\nconst Default = {\n  offset: 0,\n  flip: true,\n  boundary: 'scrollParent',\n  reference: 'toggle',\n  display: 'dynamic',\n  popperConfig: null\n}\n\nconst DefaultType = {\n  offset: '(number|string|function)',\n  flip: 'boolean',\n  boundary: '(string|element)',\n  reference: '(string|element)',\n  display: 'string',\n  popperConfig: '(null|object)'\n}\n\n/**\n * Class definition\n */\n\nclass...

isRTL() ? 'right-start' : 'left-start'\nconst PLACEMENT_TOPCENTER = 'top'\nconst PLACEMENT_BOTTOMCENTER = 'bottom'\n\nconst Default = {\n  autoClose: true,\n  boundary: 'clippingParents',\n  display: 'dynamic',\n  offset: [0, 2],\n  popperConfig: null,\n  reference: 'toggle'\n}\n\nconst DefaultType = {\n  autoClose: '(boolean|string)',\n  boundary: '(string|element)',\n  display: 'string',\n  offset: '(array|string|function)',\n  popperConfig: '(null|object|function)',\n  reference: '(string|element...

used to prevent the popper from being positioned outside the boundary.\n   *\n   * A scenario exists where the reference itself is not within the boundaries.<br />\n   * We can say it has \"escaped the boundaries\" — or just \"escaped\".<br />\n   * In this case we need to decide whether the popper should either:\n   *\n   * - detach from the reference and remain \"trapped\" in the boundaries, or\n   * - if it should ignore the boundary and \"escape with its reference\"\n   *\n   * When `escapeWithReference`...