@cryptkeeperzk/rlnjs
Version:
Client library for generating and using RLN ZK proofs, is a forked repo from main Rate-Limiting-Nullifier/rlnjs to make it work with Cryptkeeper Browser Extension using `@cryptkeeperzk/snarkjs` and `@cryptkeeperzk/ffjavascript`
1,479 lines (1,276 loc) • 377 kB
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Rollup Visualizer</title>
<style>
:root {
--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
"Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
--background-color: #2b2d42;
--text-color: #edf2f4;
}
html {
box-sizing: border-box;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
html {
background-color: var(--background-color);
color: var(--text-color);
font-family: var(--font-family);
}
body {
padding: 0;
margin: 0;
}
html,
body {
height: 100%;
width: 100%;
overflow: hidden;
}
body {
display: flex;
flex-direction: column;
}
svg {
vertical-align: middle;
width: 100%;
height: 100%;
max-height: 100vh;
}
main {
flex-grow: 1;
height: 100vh;
padding: 20px;
}
.tooltip {
position: absolute;
z-index: 1070;
border: 2px solid;
border-radius: 5px;
padding: 5px;
white-space: nowrap;
font-size: 0.875rem;
background-color: var(--background-color);
color: var(--text-color);
}
.tooltip-hidden {
visibility: hidden;
opacity: 0;
}
.sidebar {
position: fixed;
top: 0;
left: 0;
right: 0;
display: flex;
flex-direction: row;
font-size: 0.7rem;
align-items: center;
margin: 0 50px;
height: 20px;
}
.size-selectors {
display: flex;
flex-direction: row;
align-items: center;
}
.size-selector {
display: flex;
flex-direction: row;
align-items: center;
justify-content: center;
margin-right: 1rem;
}
.size-selector input {
margin: 0 0.3rem 0 0;
}
.filters {
flex: 1;
display: flex;
flex-direction: row;
align-items: center;
}
.module-filters {
display: flex;
flex-grow: 1;
}
.module-filter {
display: flex;
flex-direction: row;
align-items: center;
justify-content: center;
flex: 1;
}
.module-filter input {
flex: 1;
height: 1rem;
padding: 0.01rem;
font-size: 0.7rem;
margin-left: 0.3rem;
}
.module-filter + .module-filter {
margin-left: 0.5rem;
}
.details {
position: absolute;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
top: calc(50% - 85px);
left: calc(50% - 85px);
width: 170px;
height: 170px;
font-size: 14px;
text-align: center;
color: var(--font-color);
z-index: 100;
overflow: hidden;
text-overflow: ellipsis;
}
.details-size {
font-size: 0.8em;
}
.details-name {
font-weight: bold;
}
.details-percentage {
margin: 0.4em 0em;
font-size: 2.4em;
line-height: 1em;
}
</style>
</head>
<body>
<main></main>
<script>
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this.data = data;
this.depth =
this.height = 0;
this.parent = null;
}
Node$1.prototype = hierarchy.prototype = {
constructor: Node$1,
count: node_count,
each: node_each,
eachAfter: node_eachAfter,
eachBefore: node_eachBefore,
find: node_find,
sum: node_sum,
sort: node_sort,
path: node_path,
ancestors: node_ancestors,
descendants: node_descendants,
leaves: node_leaves,
links: node_links,
copy: node_copy,
[Symbol.iterator]: node_iterator
};
function roundNode(node) {
node.x0 = Math.round(node.x0);
node.y0 = Math.round(node.y0);
node.x1 = Math.round(node.x1);
node.y1 = Math.round(node.y1);
}
function treemapDice(parent, x0, y0, x1, y1) {
var nodes = parent.children,
node,
i = -1,
n = nodes.length,
k = parent.value && (x1 - x0) / parent.value;
while (++i < n) {
node = nodes[i], node.y0 = y0, node.y1 = y1;
node.x0 = x0, node.x1 = x0 += node.value * k;
}
}
function partition() {
var dx = 1,
dy = 1,
padding = 0,
round = false;
function partition(root) {
var n = root.height + 1;
root.x0 =
root.y0 = padding;
root.x1 = dx;
root.y1 = dy / n;
root.eachBefore(positionNode(dy, n));
if (round) root.eachBefore(roundNode);
return root;
}
function positionNode(dy, n) {
return function(node) {
if (node.children) {
treemapDice(node, node.x0, dy * (node.depth + 1) / n, node.x1, dy * (node.depth + 2) / n);
}
var x0 = node.x0,
y0 = node.y0,
x1 = node.x1 - padding,
y1 = node.y1 - padding;
if (x1 < x0) x0 = x1 = (x0 + x1) / 2;
if (y1 < y0) y0 = y1 = (y0 + y1) / 2;
node.x0 = x0;
node.y0 = y0;
node.x1 = x1;
node.y1 = y1;
};
}
partition.round = function(x) {
return arguments.length ? (round = !!x, partition) : round;
};
partition.size = function(x) {
return arguments.length ? (dx = +x[0], dy = +x[1], partition) : [dx, dy];
};
partition.padding = function(x) {
return arguments.length ? (padding = +x, partition) : padding;
};
return partition;
}
Object.create(Node$1.prototype);
function treemapSlice(parent, x0, y0, x1, y1) {
var nodes = parent.children,
node,
i = -1,
n = nodes.length,
k = parent.value && (y1 - y0) / parent.value;
while (++i < n) {
node = nodes[i], node.x0 = x0, node.x1 = x1;
node.y0 = y0, node.y1 = y0 += node.value * k;
}
}
var phi = (1 + Math.sqrt(5)) / 2;
function squarifyRatio(ratio, parent, x0, y0, x1, y1) {
var rows = [],
nodes = parent.children,
row,
nodeValue,
i0 = 0,
i1 = 0,
n = nodes.length,
dx, dy,
value = parent.value,
sumValue,
minValue,
maxValue,
newRatio,
minRatio,
alpha,
beta;
while (i0 < n) {
dx = x1 - x0, dy = y1 - y0;
// Find the next non-empty node.
do sumValue = nodes[i1++].value; while (!sumValue && i1 < n);
minValue = maxValue = sumValue;
alpha = Math.max(dy / dx, dx / dy) / (value * ratio);
beta = sumValue * sumValue * alpha;
minRatio = Math.max(maxValue / beta, beta / minValue);
// Keep adding nodes while the aspect ratio maintains or improves.
for (; i1 < n; ++i1) {
sumValue += nodeValue = nodes[i1].value;
if (nodeValue < minValue) minValue = nodeValue;
if (nodeValue > maxValue) maxValue = nodeValue;
beta = sumValue * sumValue * alpha;
newRatio = Math.max(maxValue / beta, beta / minValue);
if (newRatio > minRatio) { sumValue -= nodeValue; break; }
minRatio = newRatio;
}
// Position and record the row orientation.
rows.push(row = {value: sumValue, dice: dx < dy, children: nodes.slice(i0, i1)});
if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += dy * sumValue / value : y1);
else treemapSlice(row, x0, y0, value ? x0 += dx * sumValue / value : x1, y1);
value -= sumValue, i0 = i1;
}
return rows;
}
((function custom(ratio) {
function squarify(parent, x0, y0, x1, y1) {
squarifyRatio(ratio, parent, x0, y0, x1, y1);
}
squarify.ratio = function(x) {
return custom((x = +x) > 1 ? x : 1);
};
return squarify;
}))(phi);
((function custom(ratio) {
function resquarify(parent, x0, y0, x1, y1) {
if ((rows = parent._squarify) && (rows.ratio === ratio)) {
var rows,
row,
nodes,
i,
j = -1,
n,
m = rows.length,
value = parent.value;
while (++j < m) {
row = rows[j], nodes = row.children;
for (i = row.value = 0, n = nodes.length; i < n; ++i) row.value += nodes[i].value;
if (row.dice) treemapDice(row, x0, y0, x1, value ? y0 += (y1 - y0) * row.value / value : y1);
else treemapSlice(row, x0, y0, value ? x0 += (x1 - x0) * row.value / value : x1, y1);
value -= row.value;
}
} else {
parent._squarify = rows = squarifyRatio(ratio, parent, x0, y0, x1, y1);
rows.ratio = ratio;
}
}
resquarify.ratio = function(x) {
return custom((x = +x) > 1 ? x : 1);
};
return resquarify;
}))(phi);
function constant$1(x) {
return function constant() {
return x;
};
}
const abs = Math.abs;
const atan2 = Math.atan2;
const cos = Math.cos;
const max = Math.max;
const min = Math.min;
const sin = Math.sin;
const sqrt$1 = Math.sqrt;
const epsilon$1 = 1e-12;
const pi$1 = Math.PI;
const halfPi = pi$1 / 2;
const tau$1 = 2 * pi$1;
function acos(x) {
return x > 1 ? 0 : x < -1 ? pi$1 : Math.acos(x);
}
function asin(x) {
return x >= 1 ? halfPi : x <= -1 ? -halfPi : Math.asin(x);
}
const pi = Math.PI,
tau = 2 * pi,
epsilon = 1e-6,
tauEpsilon = tau - epsilon;
function append(strings) {
this._ += strings[0];
for (let i = 1, n = strings.length; i < n; ++i) {
this._ += arguments[i] + strings[i];
}
}
function appendRound(digits) {
let d = Math.floor(digits);
if (!(d >= 0)) throw new Error(`invalid digits: ${digits}`);
if (d > 15) return append;
const k = 10 ** d;
return function(strings) {
this._ += strings[0];
for (let i = 1, n = strings.length; i < n; ++i) {
this._ += Math.round(arguments[i] * k) / k + strings[i];
}
};
}
class Path {
constructor(digits) {
this._x0 = this._y0 = // start of current subpath
this._x1 = this._y1 = null; // end of current subpath
this._ = "";
this._append = digits == null ? append : appendRound(digits);
}
moveTo(x, y) {
this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`;
}
closePath() {
if (this._x1 !== null) {
this._x1 = this._x0, this._y1 = this._y0;
this._append`Z`;
}
}
lineTo(x, y) {
this._append`L${this._x1 = +x},${this._y1 = +y}`;
}
quadraticCurveTo(x1, y1, x, y) {
this._append`Q${+x1},${+y1},${this._x1 = +x},${this._y1 = +y}`;
}
bezierCurveTo(x1, y1, x2, y2, x, y) {
this._append`C${+x1},${+y1},${+x2},${+y2},${this._x1 = +x},${this._y1 = +y}`;
}
arcTo(x1, y1, x2, y2, r) {
x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r;
// Is the radius negative? Error.
if (r < 0) throw new Error(`negative radius: ${r}`);
let x0 = this._x1,
y0 = this._y1,
x21 = x2 - x1,
y21 = y2 - y1,
x01 = x0 - x1,
y01 = y0 - y1,
l01_2 = x01 * x01 + y01 * y01;
// Is this path empty? Move to (x1,y1).
if (this._x1 === null) {
this._append`M${this._x1 = x1},${this._y1 = y1}`;
}
// Or, is (x1,y1) coincident with (x0,y0)? Do nothing.
else if (!(l01_2 > epsilon));
// Or, are (x0,y0), (x1,y1) and (x2,y2) collinear?
// Equivalently, is (x1,y1) coincident with (x2,y2)?
// Or, is the radius zero? Line to (x1,y1).
else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) {
this._append`L${this._x1 = x1},${this._y1 = y1}`;
}
// Otherwise, draw an arc!
else {
let x20 = x2 - x0,
y20 = y2 - y0,
l21_2 = x21 * x21 + y21 * y21,
l20_2 = x20 * x20 + y20 * y20,
l21 = Math.sqrt(l21_2),
l01 = Math.sqrt(l01_2),
l = r * Math.tan((pi - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2),
t01 = l / l01,
t21 = l / l21;
// If the start tangent is not coincident with (x0,y0), line to.
if (Math.abs(t01 - 1) > epsilon) {
this._append`L${x1 + t01 * x01},${y1 + t01 * y01}`;
}
this._append`A${r},${r},0,0,${+(y01 * x20 > x01 * y20)},${this._x1 = x1 + t21 * x21},${this._y1 = y1 + t21 * y21}`;
}
}
arc(x, y, r, a0, a1, ccw) {
x = +x, y = +y, r = +r, ccw = !!ccw;
// Is the radius negative? Error.
if (r < 0) throw new Error(`negative radius: ${r}`);
let dx = r * Math.cos(a0),
dy = r * Math.sin(a0),
x0 = x + dx,
y0 = y + dy,
cw = 1 ^ ccw,
da = ccw ? a0 - a1 : a1 - a0;
// Is this path empty? Move to (x0,y0).
if (this._x1 === null) {
this._append`M${x0},${y0}`;
}
// Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0).
else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) {
this._append`L${x0},${y0}`;
}
// Is this arc empty? We’re done.
if (!r) return;
// Does the angle go the wrong way? Flip the direction.
if (da < 0) da = da % tau + tau;
// Is this a complete circle? Draw two arcs to complete the circle.
if (da > tauEpsilon) {
this._append`A${r},${r},0,1,${cw},${x - dx},${y - dy}A${r},${r},0,1,${cw},${this._x1 = x0},${this._y1 = y0}`;
}
// Is this arc non-empty? Draw an arc!
else if (da > epsilon) {
this._append`A${r},${r},0,${+(da >= pi)},${cw},${this._x1 = x + r * Math.cos(a1)},${this._y1 = y + r * Math.sin(a1)}`;
}
}
rect(x, y, w, h) {
this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}h${w = +w}v${+h}h${-w}Z`;
}
toString() {
return this._;
}
}
function withPath(shape) {
let digits = 3;
shape.digits = function(_) {
if (!arguments.length) return digits;
if (_ == null) {
digits = null;
} else {
const d = Math.floor(_);
if (!(d >= 0)) throw new RangeError(`invalid digits: ${_}`);
digits = d;
}
return shape;
};
return () => new Path(digits);
}
function arcInnerRadius(d) {
return d.innerRadius;
}
function arcOuterRadius(d) {
return d.outerRadius;
}
function arcStartAngle(d) {
return d.startAngle;
}
function arcEndAngle(d) {
return d.endAngle;
}
function arcPadAngle(d) {
return d && d.padAngle; // Note: optional!
}
function intersect(x0, y0, x1, y1, x2, y2, x3, y3) {
var x10 = x1 - x0, y10 = y1 - y0,
x32 = x3 - x2, y32 = y3 - y2,
t = y32 * x10 - x32 * y10;
if (t * t < epsilon$1) return;
t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t;
return [x0 + t * x10, y0 + t * y10];
}
// Compute perpendicular offset line of length rc.
// http://mathworld.wolfram.com/Circle-LineIntersection.html
function cornerTangents(x0, y0, x1, y1, r1, rc, cw) {
var x01 = x0 - x1,
y01 = y0 - y1,
lo = (cw ? rc : -rc) / sqrt$1(x01 * x01 + y01 * y01),
ox = lo * y01,
oy = -lo * x01,
x11 = x0 + ox,
y11 = y0 + oy,
x10 = x1 + ox,
y10 = y1 + oy,
x00 = (x11 + x10) / 2,
y00 = (y11 + y10) / 2,
dx = x10 - x11,
dy = y10 - y11,
d2 = dx * dx + dy * dy,
r = r1 - rc,
D = x11 * y10 - x10 * y11,
d = (dy < 0 ? -1 : 1) * sqrt$1(max(0, r * r * d2 - D * D)),
cx0 = (D * dy - dx * d) / d2,
cy0 = (-D * dx - dy * d) / d2,
cx1 = (D * dy + dx * d) / d2,
cy1 = (-D * dx + dy * d) / d2,
dx0 = cx0 - x00,
dy0 = cy0 - y00,
dx1 = cx1 - x00,
dy1 = cy1 - y00;
// Pick the closer of the two intersection points.
// TODO Is there a faster way to determine which intersection to use?
if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
return {
cx: cx0,
cy: cy0,
x01: -ox,
y01: -oy,
x11: cx0 * (r1 / r - 1),
y11: cy0 * (r1 / r - 1)
};
}
function d3arc() {
var innerRadius = arcInnerRadius,
outerRadius = arcOuterRadius,
cornerRadius = constant$1(0),
padRadius = null,
startAngle = arcStartAngle,
endAngle = arcEndAngle,
padAngle = arcPadAngle,
context = null,
path = withPath(arc);
function arc() {
var buffer,
r,
r0 = +innerRadius.apply(this, arguments),
r1 = +outerRadius.apply(this, arguments),
a0 = startAngle.apply(this, arguments) - halfPi,
a1 = endAngle.apply(this, arguments) - halfPi,
da = abs(a1 - a0),
cw = a1 > a0;
if (!context) context = buffer = path();
// Ensure that the outer radius is always larger than the inner radius.
if (r1 < r0) r = r1, r1 = r0, r0 = r;
// Is it a point?
if (!(r1 > epsilon$1)) context.moveTo(0, 0);
// Or is it a circle or annulus?
else if (da > tau$1 - epsilon$1) {
context.moveTo(r1 * cos(a0), r1 * sin(a0));
context.arc(0, 0, r1, a0, a1, !cw);
if (r0 > epsilon$1) {
context.moveTo(r0 * cos(a1), r0 * sin(a1));
context.arc(0, 0, r0, a1, a0, cw);
}
}
// Or is it a circular or annular sector?
else {
var a01 = a0,
a11 = a1,
a00 = a0,
a10 = a1,
da0 = da,
da1 = da,
ap = padAngle.apply(this, arguments) / 2,
rp = (ap > epsilon$1) && (padRadius ? +padRadius.apply(this, arguments) : sqrt$1(r0 * r0 + r1 * r1)),
rc = min(abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments)),
rc0 = rc,
rc1 = rc,
t0,
t1;
// Apply padding? Note that since r1 ≥ r0, da1 ≥ da0.
if (rp > epsilon$1) {
var p0 = asin(rp / r0 * sin(ap)),
p1 = asin(rp / r1 * sin(ap));
if ((da0 -= p0 * 2) > epsilon$1) p0 *= (cw ? 1 : -1), a00 += p0, a10 -= p0;
else da0 = 0, a00 = a10 = (a0 + a1) / 2;
if ((da1 -= p1 * 2) > epsilon$1) p1 *= (cw ? 1 : -1), a01 += p1, a11 -= p1;
else da1 = 0, a01 = a11 = (a0 + a1) / 2;
}
var x01 = r1 * cos(a01),
y01 = r1 * sin(a01),
x10 = r0 * cos(a10),
y10 = r0 * sin(a10);
// Apply rounded corners?
if (rc > epsilon$1) {
var x11 = r1 * cos(a11),
y11 = r1 * sin(a11),
x00 = r0 * cos(a00),
y00 = r0 * sin(a00),
oc;
// Restrict the corner radius according to the sector angle. If this
// intersection fails, it’s probably because the arc is too small, so
// disable the corner radius entirely.
if (da < pi$1) {
if (oc = intersect(x01, y01, x00, y00, x11, y11, x10, y10)) {
var ax = x01 - oc[0],
ay = y01 - oc[1],
bx = x11 - oc[0],
by = y11 - oc[1],
kc = 1 / sin(acos((ax * bx + ay * by) / (sqrt$1(ax * ax + ay * ay) * sqrt$1(bx * bx + by * by))) / 2),
lc = sqrt$1(oc[0] * oc[0] + oc[1] * oc[1]);
rc0 = min(rc, (r0 - lc) / (kc - 1));
rc1 = min(rc, (r1 - lc) / (kc + 1));
} else {
rc0 = rc1 = 0;
}
}
}
// Is the sector collapsed to a line?
if (!(da1 > epsilon$1)) context.moveTo(x01, y01);
// Does the sector’s outer ring have rounded corners?
else if (rc1 > epsilon$1) {
t0 = cornerTangents(x00, y00, x01, y01, r1, rc1, cw);
t1 = cornerTangents(x11, y11, x10, y10, r1, rc1, cw);
context.moveTo(t0.cx + t0.x01, t0.cy + t0.y01);
// Have the corners merged?
if (rc1 < rc) context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw);
// Otherwise, draw the two corners and the ring.
else {
context.arc(t0.cx, t0.cy, rc1, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw);
context.arc(0, 0, r1, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), !cw);
context.arc(t1.cx, t1.cy, rc1, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw);
}
}
// Or is the outer ring just a circular arc?
else context.moveTo(x01, y01), context.arc(0, 0, r1, a01, a11, !cw);
// Is there no inner ring, and it’s a circular sector?
// Or perhaps it’s an annular sector collapsed due to padding?
if (!(r0 > epsilon$1) || !(da0 > epsilon$1)) context.lineTo(x10, y10);
// Does the sector’s inner ring (or point) have rounded corners?
else if (rc0 > epsilon$1) {
t0 = cornerTangents(x10, y10, x11, y11, r0, -rc0, cw);
t1 = cornerTangents(x01, y01, x00, y00, r0, -rc0, cw);
context.lineTo(t0.cx + t0.x01, t0.cy + t0.y01);
// Have the corners merged?
if (rc0 < rc) context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t1.y01, t1.x01), !cw);
// Otherwise, draw the two corners and the ring.
else {
context.arc(t0.cx, t0.cy, rc0, atan2(t0.y01, t0.x01), atan2(t0.y11, t0.x11), !cw);
context.arc(0, 0, r0, atan2(t0.cy + t0.y11, t0.cx + t0.x11), atan2(t1.cy + t1.y11, t1.cx + t1.x11), cw);
context.arc(t1.cx, t1.cy, rc0, atan2(t1.y11, t1.x11), atan2(t1.y01, t1.x01), !cw);
}
}
// Or is the inner ring just a circular arc?
else context.arc(0, 0, r0, a10, a00, cw);
}
context.closePath();
if (buffer) return context = null, buffer + "" || null;
}
arc.centroid = function() {
var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2,
a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - pi$1 / 2;
return [cos(a) * r, sin(a) * r];
};
arc.innerRadius = function(_) {
return arguments.length ? (innerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : innerRadius;
};
arc.outerRadius = function(_) {
return arguments.length ? (outerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : outerRadius;
};
arc.cornerRadius = function(_) {
return arguments.length ? (cornerRadius = typeof _ === "function" ? _ : constant$1(+_), arc) : cornerRadius;
};
arc.padRadius = function(_) {
return arguments.length ? (padRadius = _ == null ? null : typeof _ === "function" ? _ : constant$1(+_), arc) : padRadius;
};
arc.startAngle = function(_) {
return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : startAngle;
};
arc.endAngle = function(_) {
return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : endAngle;
};
arc.padAngle = function(_) {
return arguments.length ? (padAngle = typeof _ === "function" ? _ : constant$1(+_), arc) : padAngle;
};
arc.context = function(_) {
return arguments.length ? ((context = _ == null ? null : _), arc) : context;
};
return arc;
}
function noop() {}
function point$3(that, x, y) {
that._context.bezierCurveTo(
(2 * that._x0 + that._x1) / 3,
(2 * that._y0 + that._y1) / 3,
(that._x0 + 2 * that._x1) / 3,
(that._y0 + 2 * that._y1) / 3,
(that._x0 + 4 * that._x1 + x) / 6,
(that._y0 + 4 * that._y1 + y) / 6
);
}
function Basis(context) {
this._context = context;
}
Basis.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x0 = this._x1 =
this._y0 = this._y1 = NaN;
this._point = 0;
},
lineEnd: function() {
switch (this._point) {
case 3: point$3(this, this._x1, this._y1); // falls through
case 2: this._context.lineTo(this._x1, this._y1); break;
}
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
this._line = 1 - this._line;
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
case 1: this._point = 2; break;
case 2: this._point = 3; this._context.lineTo((5 * this._x0 + this._x1) / 6, (5 * this._y0 + this._y1) / 6); // falls through
default: point$3(this, x, y); break;
}
this._x0 = this._x1, this._x1 = x;
this._y0 = this._y1, this._y1 = y;
}
};
function Bundle(context, beta) {
this._basis = new Basis(context);
this._beta = beta;
}
Bundle.prototype = {
lineStart: function() {
this._x = [];
this._y = [];
this._basis.lineStart();
},
lineEnd: function() {
var x = this._x,
y = this._y,
j = x.length - 1;
if (j > 0) {
var x0 = x[0],
y0 = y[0],
dx = x[j] - x0,
dy = y[j] - y0,
i = -1,
t;
while (++i <= j) {
t = i / j;
this._basis.point(
this._beta * x[i] + (1 - this._beta) * (x0 + t * dx),
this._beta * y[i] + (1 - this._beta) * (y0 + t * dy)
);
}
}
this._x = this._y = null;
this._basis.lineEnd();
},
point: function(x, y) {
this._x.push(+x);
this._y.push(+y);
}
};
((function custom(beta) {
function bundle(context) {
return beta === 1 ? new Basis(context) : new Bundle(context, beta);
}
bundle.beta = function(beta) {
return custom(+beta);
};
return bundle;
}))(0.85);
function point$2(that, x, y) {
that._context.bezierCurveTo(
that._x1 + that._k * (that._x2 - that._x0),
that._y1 + that._k * (that._y2 - that._y0),
that._x2 + that._k * (that._x1 - x),
that._y2 + that._k * (that._y1 - y),
that._x2,
that._y2
);
}
function Cardinal(context, tension) {
this._context = context;
this._k = (1 - tension) / 6;
}
Cardinal.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x0 = this._x1 = this._x2 =
this._y0 = this._y1 = this._y2 = NaN;
this._point = 0;
},
lineEnd: function() {
switch (this._point) {
case 2: this._context.lineTo(this._x2, this._y2); break;
case 3: point$2(this, this._x1, this._y1); break;
}
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
this._line = 1 - this._line;
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
case 1: this._point = 2; this._x1 = x, this._y1 = y; break;
case 2: this._point = 3; // falls through
default: point$2(this, x, y); break;
}
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
}
};
((function custom(tension) {
function cardinal(context) {
return new Cardinal(context, tension);
}
cardinal.tension = function(tension) {
return custom(+tension);
};
return cardinal;
}))(0);
function CardinalClosed(context, tension) {
this._context = context;
this._k = (1 - tension) / 6;
}
CardinalClosed.prototype = {
areaStart: noop,
areaEnd: noop,
lineStart: function() {
this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 =
this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;
this._point = 0;
},
lineEnd: function() {
switch (this._point) {
case 1: {
this._context.moveTo(this._x3, this._y3);
this._context.closePath();
break;
}
case 2: {
this._context.lineTo(this._x3, this._y3);
this._context.closePath();
break;
}
case 3: {
this.point(this._x3, this._y3);
this.point(this._x4, this._y4);
this.point(this._x5, this._y5);
break;
}
}
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; this._x3 = x, this._y3 = y; break;
case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break;
case 2: this._point = 3; this._x5 = x, this._y5 = y; break;
default: point$2(this, x, y); break;
}
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
}
};
((function custom(tension) {
function cardinal(context) {
return new CardinalClosed(context, tension);
}
cardinal.tension = function(tension) {
return custom(+tension);
};
return cardinal;
}))(0);
function CardinalOpen(context, tension) {
this._context = context;
this._k = (1 - tension) / 6;
}
CardinalOpen.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x0 = this._x1 = this._x2 =
this._y0 = this._y1 = this._y2 = NaN;
this._point = 0;
},
lineEnd: function() {
if (this._line || (this._line !== 0 && this._point === 3)) this._context.closePath();
this._line = 1 - this._line;
},
point: function(x, y) {
x = +x, y = +y;
switch (this._point) {
case 0: this._point = 1; break;
case 1: this._point = 2; break;
case 2: this._point = 3; this._line ? this._context.lineTo(this._x2, this._y2) : this._context.moveTo(this._x2, this._y2); break;
case 3: this._point = 4; // falls through
default: point$2(this, x, y); break;
}
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
}
};
((function custom(tension) {
function cardinal(context) {
return new CardinalOpen(context, tension);
}
cardinal.tension = function(tension) {
return custom(+tension);
};
return cardinal;
}))(0);
function point$1(that, x, y) {
var x1 = that._x1,
y1 = that._y1,
x2 = that._x2,
y2 = that._y2;
if (that._l01_a > epsilon$1) {
var a = 2 * that._l01_2a + 3 * that._l01_a * that._l12_a + that._l12_2a,
n = 3 * that._l01_a * (that._l01_a + that._l12_a);
x1 = (x1 * a - that._x0 * that._l12_2a + that._x2 * that._l01_2a) / n;
y1 = (y1 * a - that._y0 * that._l12_2a + that._y2 * that._l01_2a) / n;
}
if (that._l23_a > epsilon$1) {
var b = 2 * that._l23_2a + 3 * that._l23_a * that._l12_a + that._l12_2a,
m = 3 * that._l23_a * (that._l23_a + that._l12_a);
x2 = (x2 * b + that._x1 * that._l23_2a - x * that._l12_2a) / m;
y2 = (y2 * b + that._y1 * that._l23_2a - y * that._l12_2a) / m;
}
that._context.bezierCurveTo(x1, y1, x2, y2, that._x2, that._y2);
}
function CatmullRom(context, alpha) {
this._context = context;
this._alpha = alpha;
}
CatmullRom.prototype = {
areaStart: function() {
this._line = 0;
},
areaEnd: function() {
this._line = NaN;
},
lineStart: function() {
this._x0 = this._x1 = this._x2 =
this._y0 = this._y1 = this._y2 = NaN;
this._l01_a = this._l12_a = this._l23_a =
this._l01_2a = this._l12_2a = this._l23_2a =
this._point = 0;
},
lineEnd: function() {
switch (this._point) {
case 2: this._context.lineTo(this._x2, this._y2); break;
case 3: this.point(this._x2, this._y2); break;
}
if (this._line || (this._line !== 0 && this._point === 1)) this._context.closePath();
this._line = 1 - this._line;
},
point: function(x, y) {
x = +x, y = +y;
if (this._point) {
var x23 = this._x2 - x,
y23 = this._y2 - y;
this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
}
switch (this._point) {
case 0: this._point = 1; this._line ? this._context.lineTo(x, y) : this._context.moveTo(x, y); break;
case 1: this._point = 2; break;
case 2: this._point = 3; // falls through
default: point$1(this, x, y); break;
}
this._l01_a = this._l12_a, this._l12_a = this._l23_a;
this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
}
};
((function custom(alpha) {
function catmullRom(context) {
return alpha ? new CatmullRom(context, alpha) : new Cardinal(context, 0);
}
catmullRom.alpha = function(alpha) {
return custom(+alpha);
};
return catmullRom;
}))(0.5);
function CatmullRomClosed(context, alpha) {
this._context = context;
this._alpha = alpha;
}
CatmullRomClosed.prototype = {
areaStart: noop,
areaEnd: noop,
lineStart: function() {
this._x0 = this._x1 = this._x2 = this._x3 = this._x4 = this._x5 =
this._y0 = this._y1 = this._y2 = this._y3 = this._y4 = this._y5 = NaN;
this._l01_a = this._l12_a = this._l23_a =
this._l01_2a = this._l12_2a = this._l23_2a =
this._point = 0;
},
lineEnd: function() {
switch (this._point) {
case 1: {
this._context.moveTo(this._x3, this._y3);
this._context.closePath();
break;
}
case 2: {
this._context.lineTo(this._x3, this._y3);
this._context.closePath();
break;
}
case 3: {
this.point(this._x3, this._y3);
this.point(this._x4, this._y4);
this.point(this._x5, this._y5);
break;
}
}
},
point: function(x, y) {
x = +x, y = +y;
if (this._point) {
var x23 = this._x2 - x,
y23 = this._y2 - y;
this._l23_a = Math.sqrt(this._l23_2a = Math.pow(x23 * x23 + y23 * y23, this._alpha));
}
switch (this._point) {
case 0: this._point = 1; this._x3 = x, this._y3 = y; break;
case 1: this._point = 2; this._context.moveTo(this._x4 = x, this._y4 = y); break;
case 2: this._point = 3; this._x5 = x, this._y5 = y; break;
default: point$1(this, x, y); break;
}
this._l01_a = this._l12_a, this._l12_a = this._l23_a;
this._l01_2a = this._l12_2a, this._l12_2a = this._l23_2a;
this._x0 = this._x1, this._x1 = this._x2, this._x2 = x;
this._y0 = this._y1, this._y1 = this._y2, this._y2 = y;
}
};
((function custom(alpha) {
function catmullRom(context) {
return alpha ? new CatmullRomClosed(context, alpha) : new CardinalClosed(context, 0);
}
catmullRom.alpha = functi