@dfnivo/sankey/dist/cjs/links.js

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"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
function _export(target, all) {
    for(var name in all)Object.defineProperty(target, name, {
        enumerable: true,
        get: all[name]
    });
}
_export(exports, {
    sankeyLinkHorizontal: function() {
        return sankeyLinkHorizontal;
    },
    sankeyLinkVertical: function() {
        return sankeyLinkVertical;
    }
});
var _d3Shape = require("d3-shape");
var sankeyLinkHorizontal = function() {
    var lineGenerator = (0, _d3Shape.line)().curve(_d3Shape.curveMonotoneX);
    return function(link, contract) {
        var thickness = Math.max(1, link.thickness - contract * 2);
        var halfThickness = thickness / 2;
        var linkLength = link.target.x0 - link.source.x1;
        var padLength = linkLength * 0.12;
        var dots = [
            [
                link.source.x1,
                link.pos0 - halfThickness
            ],
            [
                link.source.x1 + padLength,
                link.pos0 - halfThickness
            ],
            [
                link.target.x0 - padLength,
                link.pos1 - halfThickness
            ],
            [
                link.target.x0,
                link.pos1 - halfThickness
            ],
            [
                link.target.x0,
                link.pos1 + halfThickness
            ],
            [
                link.target.x0 - padLength,
                link.pos1 + halfThickness
            ],
            [
                link.source.x1 + padLength,
                link.pos0 + halfThickness
            ],
            [
                link.source.x1,
                link.pos0 + halfThickness
            ],
            [
                link.source.x1,
                link.pos0 - halfThickness
            ]
        ];
        return lineGenerator(dots) + "Z";
    };
};
var sankeyLinkVertical = function() {
    var lineGenerator = (0, _d3Shape.line)().curve(_d3Shape.curveMonotoneY);
    return function(link, contract) {
        var thickness = Math.max(1, link.thickness - contract * 2);
        var halfThickness = thickness / 2;
        var linkLength = link.target.y0 - link.source.y1;
        var padLength = linkLength * 0.12;
        var dots = [
            [
                link.pos0 + halfThickness,
                link.source.y1
            ],
            [
                link.pos0 + halfThickness,
                link.source.y1 + padLength
            ],
            [
                link.pos1 + halfThickness,
                link.target.y0 - padLength
            ],
            [
                link.pos1 + halfThickness,
                link.target.y0
            ],
            [
                link.pos1 - halfThickness,
                link.target.y0
            ],
            [
                link.pos1 - halfThickness,
                link.target.y0 - padLength
            ],
            [
                link.pos0 - halfThickness,
                link.source.y1 + padLength
            ],
            [
                link.pos0 - halfThickness,
                link.source.y1
            ],
            [
                link.pos0 + halfThickness,
                link.source.y1
            ]
        ];
        return lineGenerator(dots) + "Z";
    };
};

//# sourceMappingURL=links.js.map