floating-ui.utils.mjs
4.05 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/**
* Custom positioning reference element.
* @see https://floating-ui.com/docs/virtual-elements
*/
const sides = ['top', 'right', 'bottom', 'left'];
const alignments = ['start', 'end'];
const placements = /*#__PURE__*/sides.reduce((acc, side) => acc.concat(side, side + "-" + alignments[0], side + "-" + alignments[1]), []);
const min = Math.min;
const max = Math.max;
const round = Math.round;
const floor = Math.floor;
const createCoords = v => ({
x: v,
y: v
});
const oppositeSideMap = {
left: 'right',
right: 'left',
bottom: 'top',
top: 'bottom'
};
function clamp(start, value, end) {
return max(start, min(value, end));
}
function evaluate(value, param) {
return typeof value === 'function' ? value(param) : value;
}
function getSide(placement) {
return placement.split('-')[0];
}
function getAlignment(placement) {
return placement.split('-')[1];
}
function getOppositeAxis(axis) {
return axis === 'x' ? 'y' : 'x';
}
function getAxisLength(axis) {
return axis === 'y' ? 'height' : 'width';
}
function getSideAxis(placement) {
const firstChar = placement[0];
return firstChar === 't' || firstChar === 'b' ? 'y' : 'x';
}
function getAlignmentAxis(placement) {
return getOppositeAxis(getSideAxis(placement));
}
function getAlignmentSides(placement, rects, rtl) {
if (rtl === void 0) {
rtl = false;
}
const alignment = getAlignment(placement);
const alignmentAxis = getAlignmentAxis(placement);
const length = getAxisLength(alignmentAxis);
let mainAlignmentSide = alignmentAxis === 'x' ? alignment === (rtl ? 'end' : 'start') ? 'right' : 'left' : alignment === 'start' ? 'bottom' : 'top';
if (rects.reference[length] > rects.floating[length]) {
mainAlignmentSide = getOppositePlacement(mainAlignmentSide);
}
return [mainAlignmentSide, getOppositePlacement(mainAlignmentSide)];
}
function getExpandedPlacements(placement) {
const oppositePlacement = getOppositePlacement(placement);
return [getOppositeAlignmentPlacement(placement), oppositePlacement, getOppositeAlignmentPlacement(oppositePlacement)];
}
function getOppositeAlignmentPlacement(placement) {
return placement.includes('start') ? placement.replace('start', 'end') : placement.replace('end', 'start');
}
const lrPlacement = ['left', 'right'];
const rlPlacement = ['right', 'left'];
const tbPlacement = ['top', 'bottom'];
const btPlacement = ['bottom', 'top'];
function getSideList(side, isStart, rtl) {
switch (side) {
case 'top':
case 'bottom':
if (rtl) return isStart ? rlPlacement : lrPlacement;
return isStart ? lrPlacement : rlPlacement;
case 'left':
case 'right':
return isStart ? tbPlacement : btPlacement;
default:
return [];
}
}
function getOppositeAxisPlacements(placement, flipAlignment, direction, rtl) {
const alignment = getAlignment(placement);
let list = getSideList(getSide(placement), direction === 'start', rtl);
if (alignment) {
list = list.map(side => side + "-" + alignment);
if (flipAlignment) {
list = list.concat(list.map(getOppositeAlignmentPlacement));
}
}
return list;
}
function getOppositePlacement(placement) {
const side = getSide(placement);
return oppositeSideMap[side] + placement.slice(side.length);
}
function expandPaddingObject(padding) {
return {
top: 0,
right: 0,
bottom: 0,
left: 0,
...padding
};
}
function getPaddingObject(padding) {
return typeof padding !== 'number' ? expandPaddingObject(padding) : {
top: padding,
right: padding,
bottom: padding,
left: padding
};
}
function rectToClientRect(rect) {
const {
x,
y,
width,
height
} = rect;
return {
width,
height,
top: y,
left: x,
right: x + width,
bottom: y + height,
x,
y
};
}
export { alignments, clamp, createCoords, evaluate, expandPaddingObject, floor, getAlignment, getAlignmentAxis, getAlignmentSides, getAxisLength, getExpandedPlacements, getOppositeAlignmentPlacement, getOppositeAxis, getOppositeAxisPlacements, getOppositePlacement, getPaddingObject, getSide, getSideAxis, max, min, placements, rectToClientRect, round, sides };