victory-core
Version:
60 lines (59 loc) • 2.82 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getLineFunction = exports.getInterpolationFunction = void 0;
var d3Shape = _interopRequireWildcard(require("victory-vendor/d3-shape"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
const defined = d => {
const y = d._y1 !== undefined ? d._y1 : d._y;
return y !== null && y !== undefined && d._y0 !== null;
};
const getXAccessor = scale => {
return d => scale.x(d._x1 !== undefined ? d._x1 : d._x);
};
const getYAccessor = scale => {
return d => scale.y(d._y1 !== undefined ? d._y1 : d._y);
};
const getAngleAccessor = scale => {
return d => {
const x = scale.x(d._x1 !== undefined ? d._x1 : d._x);
return -1 * x + Math.PI / 2;
};
};
const toNewName = interpolation => {
// d3 shape changed the naming scheme for interpolators from "basis" -> "curveBasis" etc.
const capitalize = s => s && s[0].toUpperCase() + s.slice(1);
return `curve${capitalize(interpolation)}`;
};
const toNewNameClosed = interpolation => {
return `${toNewName(interpolation)}Closed`;
};
const getInterpolationFunction = props => {
const {
interpolation
} = props;
if (typeof interpolation === "function") {
return interpolation;
}
if (typeof interpolation === "string") {
const {
polar,
openCurve = !polar
} = props;
const interpolationName = !openCurve ? toNewNameClosed(interpolation) : toNewName(interpolation);
return d3Shape[interpolationName];
}
return d3Shape.curveLinear;
};
exports.getInterpolationFunction = getInterpolationFunction;
const getLineFunction = props => {
const {
polar,
scale,
horizontal
} = props;
return polar ? d3Shape.lineRadial().defined(defined).curve(getInterpolationFunction(props)).angle(getAngleAccessor(scale)).radius(getYAccessor(scale)) : d3Shape.line().defined(defined).curve(getInterpolationFunction(props)).x(horizontal ? getYAccessor(scale) : getXAccessor(scale)).y(horizontal ? getXAccessor(scale) : getYAccessor(scale));
};
exports.getLineFunction = getLineFunction;