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eval("__webpack_require__.r(__webpack_exports__);\n/* harmony export */ __webpack_require__.d(__webpack_exports__, {\n/* harmony export */ Path: () => (/* binding */ Path),\n/* harmony export */ path: () => (/* binding */ path),\n/* harmony export */ pathRound: () => (/* binding */ pathRound)\n/* harmony export */ });\nconst pi = Math.PI, tau = 2 * pi, epsilon = 1e-6, tauEpsilon = tau - epsilon;\nfunction append(strings) {\n this._ += strings[0];\n for(let i = 1, n = strings.length; i < n; ++i){\n this._ += arguments[i] + strings[i];\n }\n}\nfunction appendRound(digits) {\n let d = Math.floor(digits);\n if (!(d >= 0)) throw new Error(`invalid digits: ${digits}`);\n if (d > 15) return append;\n const k = 10 ** d;\n return function(strings) {\n this._ += strings[0];\n for(let i = 1, n = strings.length; i < n; ++i){\n this._ += Math.round(arguments[i] * k) / k + strings[i];\n }\n };\n}\nclass Path {\n constructor(digits){\n this._x0 = this._y0 = this._x1 = this._y1 = null; // end of current subpath\n this._ = \"\";\n this._append = digits == null ? append : appendRound(digits);\n }\n moveTo(x, y) {\n this._append`M${this._x0 = this._x1 = +x},${this._y0 = this._y1 = +y}`;\n }\n closePath() {\n if (this._x1 !== null) {\n this._x1 = this._x0, this._y1 = this._y0;\n this._append`Z`;\n }\n }\n lineTo(x, y) {\n this._append`L${this._x1 = +x},${this._y1 = +y}`;\n }\n quadraticCurveTo(x1, y1, x, y) {\n this._append`Q${+x1},${+y1},${this._x1 = +x},${this._y1 = +y}`;\n }\n bezierCurveTo(x1, y1, x2, y2, x, y) {\n this._append`C${+x1},${+y1},${+x2},${+y2},${this._x1 = +x},${this._y1 = +y}`;\n }\n arcTo(x1, y1, x2, y2, r) {\n x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r;\n // Is the radius negative? Error.\n if (r < 0) throw new Error(`negative radius: ${r}`);\n let x0 = this._x1, y0 = this._y1, x21 = x2 - x1, y21 = y2 - y1, x01 = x0 - x1, y01 = y0 - y1, l01_2 = x01 * x01 + y01 * y01;\n // Is this path empty? Move to (x1,y1).\n if (this._x1 === null) {\n this._append`M${this._x1 = x1},${this._y1 = y1}`;\n } else if (!(l01_2 > epsilon)) ;\n else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon) || !r) {\n this._append`L${this._x1 = x1},${this._y1 = y1}`;\n } else {\n let x20 = x2 - x0, y20 = y2 - y0, l21_2 = x21 * x21 + y21 * y21, l20_2 = x20 * x20 + y20 * y20, l21 = Math.sqrt(l21_2), l01 = Math.sqrt(l01_2), l = r * Math.tan((pi - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2), t01 = l / l01, t21 = l / l21;\n // If the start tangent is not coincident with (x0,y0), line to.\n if (Math.abs(t01 - 1) > epsilon) {\n this._append`L${x1 + t01 * x01},${y1 + t01 * y01}`;\n }\n this._append`A${r},${r},0,0,${+(y01 * x20 > x01 * y20)},${this._x1 = x1 + t21 * x21},${this._y1 = y1 + t21 * y21}`;\n }\n }\n arc(x, y, r, a0, a1, ccw) {\n x = +x, y = +y, r = +r, ccw = !!ccw;\n // Is the radius negative? Error.\n if (r < 0) throw new Error(`negative radius: ${r}`);\n let dx = r * Math.cos(a0), dy = r * Math.sin(a0), x0 = x + dx, y0 = y + dy, cw = 1 ^ ccw, da = ccw ? a0 - a1 : a1 - a0;\n // Is this path empty? Move to (x0,y0).\n if (this._x1 === null) {\n this._append`M${x0},${y0}`;\n } else if (Math.abs(this._x1 - x0) > epsilon || Math.abs(this._y1 - y0) > epsilon) {\n this._append`L${x0},${y0}`;\n }\n // Is this arc empty? We’re done.\n if (!r) return;\n // Does the angle go the wrong way? Flip the direction.\n if (da < 0) da = da % tau + tau;\n // Is this a complete circle? Draw two arcs to complete the circle.\n if (da > tauEpsilon) {\n this._append`A${r},${r},0,1,${cw},${x - dx},${y - dy}A${r},${r},0,1,${cw},${this._x1 = x0},${this._y1 = y0}`;\n
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