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import { a as array } from "./array-b7dcf730.js";
import { w as withPath, c as constant } from "./path-39bad7e2.js";
import { n as curveLinear } from "./mermaid-dcacb631.js";
function x(p) {
return p[0];
}
function y(p) {
return p[1];
}
function line(x$1, y$1) {
var defined = constant(true), context = null, curve = curveLinear, output = null, path = withPath(line2);
x$1 = typeof x$1 === "function" ? x$1 : x$1 === void 0 ? x : constant(x$1);
y$1 = typeof y$1 === "function" ? y$1 : y$1 === void 0 ? y : constant(y$1);
function line2(data) {
var i, n = (data = array(data)).length, d, defined0 = false, buffer;
if (context == null)
output = curve(buffer = path());
for (i = 0; i <= n; ++i) {
if (!(i < n && defined(d = data[i], i, data)) === defined0) {
if (defined0 = !defined0)
output.lineStart();
else
output.lineEnd();
}
if (defined0)
output.point(+x$1(d, i, data), +y$1(d, i, data));
}
if (buffer)
return output = null, buffer + "" || null;
}
line2.x = function(_) {
return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant(+_), line2) : x$1;
};
line2.y = function(_) {
return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant(+_), line2) : y$1;
};
line2.defined = function(_) {
return arguments.length ? (defined = typeof _ === "function" ? _ : constant(!!_), line2) : defined;
};
line2.curve = function(_) {
return arguments.length ? (curve = _, context != null && (output = curve(context)), line2) : curve;
};
line2.context = function(_) {
return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), line2) : context;
};
return line2;
}
export {
line as l
};
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