| 1 | const c = Math.PI, x = 2 * c, u = 1e-6, m = x - u;
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| 2 | function E(e) {
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| 3 | this._ += e[0];
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| 4 | for (let t = 1, h = e.length; t < h; ++t)
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| 5 | this._ += arguments[t] + e[t];
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| 6 | }
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| 7 | function A(e) {
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| 8 | let t = Math.floor(e);
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| 9 | if (!(t >= 0))
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| 10 | throw new Error(`invalid digits: ${e}`);
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| 11 | if (t > 15)
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| 12 | return E;
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| 13 | const h = 10 ** t;
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| 14 | return function(i) {
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| 15 | this._ += i[0];
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| 16 | for (let s = 1, n = i.length; s < n; ++s)
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| 17 | this._ += Math.round(arguments[s] * h) / h + i[s];
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| 18 | };
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| 19 | }
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| 20 | class L {
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| 21 | constructor(t) {
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| 22 | this._x0 = this._y0 =
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| 23 | this._x1 = this._y1 = null, this._ = "", this._append = t == null ? E : A(t);
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| 24 | }
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| 25 | moveTo(t, h) {
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| 26 | this._append`M${this._x0 = this._x1 = +t},${this._y0 = this._y1 = +h}`;
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| 27 | }
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| 28 | closePath() {
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| 29 | this._x1 !== null && (this._x1 = this._x0, this._y1 = this._y0, this._append`Z`);
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| 30 | }
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| 31 | lineTo(t, h) {
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| 32 | this._append`L${this._x1 = +t},${this._y1 = +h}`;
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| 33 | }
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| 34 | quadraticCurveTo(t, h, i, s) {
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| 35 | this._append`Q${+t},${+h},${this._x1 = +i},${this._y1 = +s}`;
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| 36 | }
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| 37 | bezierCurveTo(t, h, i, s, n, $) {
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| 38 | this._append`C${+t},${+h},${+i},${+s},${this._x1 = +n},${this._y1 = +$}`;
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| 39 | }
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| 40 | arcTo(t, h, i, s, n) {
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| 41 | if (t = +t, h = +h, i = +i, s = +s, n = +n, n < 0)
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| 42 | throw new Error(`negative radius: ${n}`);
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| 43 | let $ = this._x1, r = this._y1, p = i - t, l = s - h, _ = $ - t, o = r - h, a = _ * _ + o * o;
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| 44 | if (this._x1 === null)
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| 45 | this._append`M${this._x1 = t},${this._y1 = h}`;
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| 46 | else if (a > u)
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| 47 | if (!(Math.abs(o * p - l * _) > u) || !n)
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| 48 | this._append`L${this._x1 = t},${this._y1 = h}`;
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| 49 | else {
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| 50 | let d = i - $, f = s - r, y = p * p + l * l, T = d * d + f * f, g = Math.sqrt(y), v = Math.sqrt(a), w = n * Math.tan((c - Math.acos((y + a - T) / (2 * g * v))) / 2), M = w / v, b = w / g;
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| 51 | Math.abs(M - 1) > u && this._append`L${t + M * _},${h + M * o}`, this._append`A${n},${n},0,0,${+(o * d > _ * f)},${this._x1 = t + b * p},${this._y1 = h + b * l}`;
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| 52 | }
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| 53 | }
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| 54 | arc(t, h, i, s, n, $) {
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| 55 | if (t = +t, h = +h, i = +i, $ = !!$, i < 0)
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| 56 | throw new Error(`negative radius: ${i}`);
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| 57 | let r = i * Math.cos(s), p = i * Math.sin(s), l = t + r, _ = h + p, o = 1 ^ $, a = $ ? s - n : n - s;
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| 58 | this._x1 === null ? this._append`M${l},${_}` : (Math.abs(this._x1 - l) > u || Math.abs(this._y1 - _) > u) && this._append`L${l},${_}`, i && (a < 0 && (a = a % x + x), a > m ? this._append`A${i},${i},0,1,${o},${t - r},${h - p}A${i},${i},0,1,${o},${this._x1 = l},${this._y1 = _}` : a > u && this._append`A${i},${i},0,${+(a >= c)},${o},${this._x1 = t + i * Math.cos(n)},${this._y1 = h + i * Math.sin(n)}`);
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| 59 | }
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| 60 | rect(t, h, i, s) {
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| 61 | this._append`M${this._x0 = this._x1 = +t},${this._y0 = this._y1 = +h}h${i = +i}v${+s}h${-i}Z`;
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| 62 | }
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| 63 | toString() {
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| 64 | return this._;
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| 65 | }
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| 66 | }
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| 67 | function P(e) {
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| 68 | return function() {
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| 69 | return e;
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| 70 | };
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| 71 | }
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| 72 | function q(e) {
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| 73 | let t = 3;
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| 74 | return e.digits = function(h) {
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| 75 | if (!arguments.length)
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| 76 | return t;
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| 77 | if (h == null)
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| 78 | t = null;
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| 79 | else {
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| 80 | const i = Math.floor(h);
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| 81 | if (!(i >= 0))
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| 82 | throw new RangeError(`invalid digits: ${h}`);
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| 83 | t = i;
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| 84 | }
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| 85 | return e;
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| 86 | }, () => new L(t);
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| 87 | }
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| 88 | export {
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| 89 | P as c,
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| 90 | q as w
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| 91 | };
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