@razorpay/blade/build/lib/web/development/node_modules/d3-shape/src/link.js

The Design System that powers Razorpay

import { slice } from './array.js';
import constant from './constant.js';
import { bumpX, bumpY, bumpRadial } from './curve/bump.js';
import { withPath } from './path.js';
import { x, y } from './point.js';

function linkSource(d) {
  return d.source;
}

function linkTarget(d) {
  return d.target;
}

function link(curve) {
  let source = linkSource,
      target = linkTarget,
      x$1 = x,
      y$1 = y,
      context = null,
      output = null,
      path = withPath(link);

  function link() {
    let buffer;
    const argv = slice.call(arguments);
    const s = source.apply(this, argv);
    const t = target.apply(this, argv);
    if (context == null) output = curve(buffer = path());
    output.lineStart();
    argv[0] = s, output.point(+x$1.apply(this, argv), +y$1.apply(this, argv));
    argv[0] = t, output.point(+x$1.apply(this, argv), +y$1.apply(this, argv));
    output.lineEnd();
    if (buffer) return output = null, buffer + "" || null;
  }

  link.source = function(_) {
    return arguments.length ? (source = _, link) : source;
  };

  link.target = function(_) {
    return arguments.length ? (target = _, link) : target;
  };

  link.x = function(_) {
    return arguments.length ? (x$1 = typeof _ === "function" ? _ : constant(+_), link) : x$1;
  };

  link.y = function(_) {
    return arguments.length ? (y$1 = typeof _ === "function" ? _ : constant(+_), link) : y$1;
  };

  link.context = function(_) {
    return arguments.length ? (_ == null ? context = output = null : output = curve(context = _), link) : context;
  };

  return link;
}

function linkHorizontal() {
  return link(bumpX);
}

function linkVertical() {
  return link(bumpY);
}

function linkRadial() {
  const l = link(bumpRadial);
  l.angle = l.x, delete l.x;
  l.radius = l.y, delete l.y;
  return l;
}

export { link, linkHorizontal, linkRadial, linkVertical };
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