@visactor/vchart/esm/plugin/components/tooltip-handler/utils/position.js

charts lib based @visactor/VGrammar

import { isFunction, isNumber, isObject, isValid } from "@visactor/vutils";

export const getActualTooltipPositionValue = (position, event) => {
    let result;
    if (isValid(position)) if (isNumber(position)) result = position; else if (isFunction(position)) {
        const tooltipPosition = position(event);
        isNumber(tooltipPosition) && (result = tooltipPosition);
    }
    return result;
};

export const positionType = {
    left: [ -2, 0 ],
    right: [ 2, 0 ],
    top: [ 0, -2 ],
    bottom: [ 0, 2 ],
    insideTop: [ 0, -1.5 ],
    insideBottom: [ 0, 1.5 ],
    insideLeft: [ -1.5, 0 ],
    insideRight: [ 1.5, 0 ],
    insideTopLeft: [ -1.5, -1.5 ],
    insideTopRight: [ 1.5, -1.5 ],
    insideBottomLeft: [ -1.5, 1.5 ],
    insideBottomRight: [ 1.5, 1.5 ],
    lt: [ -2, -2 ],
    tl: [ -2, -2 ],
    rt: [ 2, -2 ],
    tr: [ 2, -2 ],
    bl: [ -2, 2 ],
    lb: [ -2, 2 ],
    br: [ 2, 2 ],
    rb: [ 2, 2 ],
    inside: [ 0, 0 ],
    center: [ 0, 0 ],
    centerBottom: [ 0, 1 ],
    centerTop: [ 0, -1 ],
    centerLeft: [ -1, 0 ],
    centerRight: [ 1, 0 ]
};

export const getPositionType = (position, dim, defaultCase = 2) => {
    var _a, _b;
    return null !== (_b = null === (_a = positionType[position]) || void 0 === _a ? void 0 : _a["x" === dim ? 0 : 1]) && void 0 !== _b ? _b : defaultCase;
};

export const isGlobalTooltipPositionPattern = obj => isObject(obj) && (isValid(obj.left) || isValid(obj.right) || isValid(obj.top) || isValid(obj.bottom));

export const isFixedTooltipPositionPattern = obj => isObject(obj) && (isValid(obj.x) || isValid(obj.y));
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