main repo

node_modules/d3-path/dist/d3-path.js

@@ -0,0 +1,169 @@
+// https://d3js.org/d3-path/ v3.1.0 Copyright 2015-2022 Mike Bostock
+(function (global, factory) {
+typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+typeof define === 'function' && define.amd ? define(['exports'], factory) :
+(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.d3 = global.d3 || {}));
+})(this, (function (exports) { 'use strict';
+
+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 path() {
+  return new Path;
+}
+
+// Allow instanceof d3.path
+path.prototype = Path.prototype;
+
+function pathRound(digits = 3) {
+  return new Path(+digits);
+}
+
+exports.Path = Path;
+exports.path = path;
+exports.pathRound = pathRound;
+
+}));

node_modules/d3-path/dist/d3-path.min.js

@@ -0,0 +1,2 @@
+// https://d3js.org/d3-path/ v3.1.0 Copyright 2015-2022 Mike Bostock
+!function(t,i){"object"==typeof exports&&"undefined"!=typeof module?i(exports):"function"==typeof define&&define.amd?define(["exports"],i):i((t="undefined"!=typeof globalThis?globalThis:t||self).d3=t.d3||{})}(this,(function(t){"use strict";const i=Math.PI,s=2*i,h=1e-6,e=s-h;function n(t){this._+=t[0];for(let i=1,s=t.length;i<s;++i)this._+=arguments[i]+t[i]}class _{constructor(t){this._x0=this._y0=this._x1=this._y1=null,this._="",this._append=null==t?n:function(t){let i=Math.floor(t);if(!(i>=0))throw new Error(`invalid digits: ${t}`);if(i>15)return n;const s=10**i;return function(t){this._+=t[0];for(let i=1,h=t.length;i<h;++i)this._+=Math.round(arguments[i]*s)/s+t[i]}}(t)}moveTo(t,i){this._append`M${this._x0=this._x1=+t},${this._y0=this._y1=+i}`}closePath(){null!==this._x1&&(this._x1=this._x0,this._y1=this._y0,this._append`Z`)}lineTo(t,i){this._append`L${this._x1=+t},${this._y1=+i}`}quadraticCurveTo(t,i,s,h){this._append`Q${+t},${+i},${this._x1=+s},${this._y1=+h}`}bezierCurveTo(t,i,s,h,e,n){this._append`C${+t},${+i},${+s},${+h},${this._x1=+e},${this._y1=+n}`}arcTo(t,s,e,n,_){if(t=+t,s=+s,e=+e,n=+n,(_=+_)<0)throw new Error(`negative radius: ${_}`);let a=this._x1,$=this._y1,o=e-t,r=n-s,p=a-t,d=$-s,l=p*p+d*d;if(null===this._x1)this._append`M${this._x1=t},${this._y1=s}`;else if(l>h)if(Math.abs(d*o-r*p)>h&&_){let u=e-a,f=n-$,x=o*o+r*r,y=u*u+f*f,c=Math.sqrt(x),M=Math.sqrt(l),b=_*Math.tan((i-Math.acos((x+l-y)/(2*c*M)))/2),g=b/M,w=b/c;Math.abs(g-1)>h&&this._append`L${t+g*p},${s+g*d}`,this._append`A${_},${_},0,0,${+(d*u>p*f)},${this._x1=t+w*o},${this._y1=s+w*r}`}else this._append`L${this._x1=t},${this._y1=s}`;else;}arc(t,n,_,a,$,o){if(t=+t,n=+n,o=!!o,(_=+_)<0)throw new Error(`negative radius: ${_}`);let r=_*Math.cos(a),p=_*Math.sin(a),d=t+r,l=n+p,u=1^o,f=o?a-$:$-a;null===this._x1?this._append`M${d},${l}`:(Math.abs(this._x1-d)>h||Math.abs(this._y1-l)>h)&&this._append`L${d},${l}`,_&&(f<0&&(f=f%s+s),f>e?this._append`A${_},${_},0,1,${u},${t-r},${n-p}A${_},${_},0,1,${u},${this._x1=d},${this._y1=l}`:f>h&&this._append`A${_},${_},0,${+(f>=i)},${u},${this._x1=t+_*Math.cos($)},${this._y1=n+_*Math.sin($)}`)}rect(t,i,s,h){this._append`M${this._x0=this._x1=+t},${this._y0=this._y1=+i}h${s=+s}v${+h}h${-s}Z`}toString(){return this._}}function a(){return new _}a.prototype=_.prototype,t.Path=_,t.path=a,t.pathRound=function(t=3){return new _(+t)}}));