Index: node_modules/robust-predicates/umd/orient3d.js
===================================================================
--- node_modules/robust-predicates/umd/orient3d.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
+++ node_modules/robust-predicates/umd/orient3d.js	(revision e4c61dd6cd86e06265bc2bd91adba84a0f04044a)
@@ -0,0 +1,601 @@
+(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.predicates = {}));
+})(this, (function (exports) { 'use strict';
+
+const epsilon = 1.1102230246251565e-16;
+const splitter = 134217729;
+const resulterrbound = (3 + 8 * epsilon) * epsilon;
+
+// fast_expansion_sum_zeroelim routine from oritinal code
+function sum(elen, e, flen, f, h) {
+    let Q, Qnew, hh, bvirt;
+    let enow = e[0];
+    let fnow = f[0];
+    let eindex = 0;
+    let findex = 0;
+    if ((fnow > enow) === (fnow > -enow)) {
+        Q = enow;
+        enow = e[++eindex];
+    } else {
+        Q = fnow;
+        fnow = f[++findex];
+    }
+    let hindex = 0;
+    if (eindex < elen && findex < flen) {
+        if ((fnow > enow) === (fnow > -enow)) {
+            Qnew = enow + Q;
+            hh = Q - (Qnew - enow);
+            enow = e[++eindex];
+        } else {
+            Qnew = fnow + Q;
+            hh = Q - (Qnew - fnow);
+            fnow = f[++findex];
+        }
+        Q = Qnew;
+        if (hh !== 0) {
+            h[hindex++] = hh;
+        }
+        while (eindex < elen && findex < flen) {
+            if ((fnow > enow) === (fnow > -enow)) {
+                Qnew = Q + enow;
+                bvirt = Qnew - Q;
+                hh = Q - (Qnew - bvirt) + (enow - bvirt);
+                enow = e[++eindex];
+            } else {
+                Qnew = Q + fnow;
+                bvirt = Qnew - Q;
+                hh = Q - (Qnew - bvirt) + (fnow - bvirt);
+                fnow = f[++findex];
+            }
+            Q = Qnew;
+            if (hh !== 0) {
+                h[hindex++] = hh;
+            }
+        }
+    }
+    while (eindex < elen) {
+        Qnew = Q + enow;
+        bvirt = Qnew - Q;
+        hh = Q - (Qnew - bvirt) + (enow - bvirt);
+        enow = e[++eindex];
+        Q = Qnew;
+        if (hh !== 0) {
+            h[hindex++] = hh;
+        }
+    }
+    while (findex < flen) {
+        Qnew = Q + fnow;
+        bvirt = Qnew - Q;
+        hh = Q - (Qnew - bvirt) + (fnow - bvirt);
+        fnow = f[++findex];
+        Q = Qnew;
+        if (hh !== 0) {
+            h[hindex++] = hh;
+        }
+    }
+    if (Q !== 0 || hindex === 0) {
+        h[hindex++] = Q;
+    }
+    return hindex;
+}
+
+// scale_expansion_zeroelim routine from oritinal code
+function scale(elen, e, b, h) {
+    let Q, sum, hh, product1, product0;
+    let bvirt, c, ahi, alo, bhi, blo;
+
+    c = splitter * b;
+    bhi = c - (c - b);
+    blo = b - bhi;
+    let enow = e[0];
+    Q = enow * b;
+    c = splitter * enow;
+    ahi = c - (c - enow);
+    alo = enow - ahi;
+    hh = alo * blo - (Q - ahi * bhi - alo * bhi - ahi * blo);
+    let hindex = 0;
+    if (hh !== 0) {
+        h[hindex++] = hh;
+    }
+    for (let i = 1; i < elen; i++) {
+        enow = e[i];
+        product1 = enow * b;
+        c = splitter * enow;
+        ahi = c - (c - enow);
+        alo = enow - ahi;
+        product0 = alo * blo - (product1 - ahi * bhi - alo * bhi - ahi * blo);
+        sum = Q + product0;
+        bvirt = sum - Q;
+        hh = Q - (sum - bvirt) + (product0 - bvirt);
+        if (hh !== 0) {
+            h[hindex++] = hh;
+        }
+        Q = product1 + sum;
+        hh = sum - (Q - product1);
+        if (hh !== 0) {
+            h[hindex++] = hh;
+        }
+    }
+    if (Q !== 0 || hindex === 0) {
+        h[hindex++] = Q;
+    }
+    return hindex;
+}
+
+function estimate(elen, e) {
+    let Q = e[0];
+    for (let i = 1; i < elen; i++) Q += e[i];
+    return Q;
+}
+
+function vec(n) {
+    return new Float64Array(n);
+}
+
+const o3derrboundA = (7 + 56 * epsilon) * epsilon;
+const o3derrboundB = (3 + 28 * epsilon) * epsilon;
+const o3derrboundC = (26 + 288 * epsilon) * epsilon * epsilon;
+
+const bc = vec(4);
+const ca = vec(4);
+const ab = vec(4);
+const at_b = vec(4);
+const at_c = vec(4);
+const bt_c = vec(4);
+const bt_a = vec(4);
+const ct_a = vec(4);
+const ct_b = vec(4);
+const bct = vec(8);
+const cat = vec(8);
+const abt = vec(8);
+const u = vec(4);
+
+const _8 = vec(8);
+const _8b = vec(8);
+const _16 = vec(8);
+const _12 = vec(12);
+
+let fin = vec(192);
+let fin2 = vec(192);
+
+function finadd(finlen, alen, a) {
+    finlen = sum(finlen, fin, alen, a, fin2);
+    const tmp = fin; fin = fin2; fin2 = tmp;
+    return finlen;
+}
+
+function tailinit(xtail, ytail, ax, ay, bx, by, a, b) {
+    let bvirt, c, ahi, alo, bhi, blo, _i, _j, _0, s1, s0, t1, t0, u3, negate;
+    if (xtail === 0) {
+        if (ytail === 0) {
+            a[0] = 0;
+            b[0] = 0;
+            return 1;
+        } else {
+            negate = -ytail;
+            s1 = negate * ax;
+            c = splitter * negate;
+            ahi = c - (c - negate);
+            alo = negate - ahi;
+            c = splitter * ax;
+            bhi = c - (c - ax);
+            blo = ax - bhi;
+            a[0] = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+            a[1] = s1;
+            s1 = ytail * bx;
+            c = splitter * ytail;
+            ahi = c - (c - ytail);
+            alo = ytail - ahi;
+            c = splitter * bx;
+            bhi = c - (c - bx);
+            blo = bx - bhi;
+            b[0] = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+            b[1] = s1;
+            return 2;
+        }
+    } else {
+        if (ytail === 0) {
+            s1 = xtail * ay;
+            c = splitter * xtail;
+            ahi = c - (c - xtail);
+            alo = xtail - ahi;
+            c = splitter * ay;
+            bhi = c - (c - ay);
+            blo = ay - bhi;
+            a[0] = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+            a[1] = s1;
+            negate = -xtail;
+            s1 = negate * by;
+            c = splitter * negate;
+            ahi = c - (c - negate);
+            alo = negate - ahi;
+            c = splitter * by;
+            bhi = c - (c - by);
+            blo = by - bhi;
+            b[0] = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+            b[1] = s1;
+            return 2;
+        } else {
+            s1 = xtail * ay;
+            c = splitter * xtail;
+            ahi = c - (c - xtail);
+            alo = xtail - ahi;
+            c = splitter * ay;
+            bhi = c - (c - ay);
+            blo = ay - bhi;
+            s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+            t1 = ytail * ax;
+            c = splitter * ytail;
+            ahi = c - (c - ytail);
+            alo = ytail - ahi;
+            c = splitter * ax;
+            bhi = c - (c - ax);
+            blo = ax - bhi;
+            t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
+            _i = s0 - t0;
+            bvirt = s0 - _i;
+            a[0] = s0 - (_i + bvirt) + (bvirt - t0);
+            _j = s1 + _i;
+            bvirt = _j - s1;
+            _0 = s1 - (_j - bvirt) + (_i - bvirt);
+            _i = _0 - t1;
+            bvirt = _0 - _i;
+            a[1] = _0 - (_i + bvirt) + (bvirt - t1);
+            u3 = _j + _i;
+            bvirt = u3 - _j;
+            a[2] = _j - (u3 - bvirt) + (_i - bvirt);
+            a[3] = u3;
+            s1 = ytail * bx;
+            c = splitter * ytail;
+            ahi = c - (c - ytail);
+            alo = ytail - ahi;
+            c = splitter * bx;
+            bhi = c - (c - bx);
+            blo = bx - bhi;
+            s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+            t1 = xtail * by;
+            c = splitter * xtail;
+            ahi = c - (c - xtail);
+            alo = xtail - ahi;
+            c = splitter * by;
+            bhi = c - (c - by);
+            blo = by - bhi;
+            t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
+            _i = s0 - t0;
+            bvirt = s0 - _i;
+            b[0] = s0 - (_i + bvirt) + (bvirt - t0);
+            _j = s1 + _i;
+            bvirt = _j - s1;
+            _0 = s1 - (_j - bvirt) + (_i - bvirt);
+            _i = _0 - t1;
+            bvirt = _0 - _i;
+            b[1] = _0 - (_i + bvirt) + (bvirt - t1);
+            u3 = _j + _i;
+            bvirt = u3 - _j;
+            b[2] = _j - (u3 - bvirt) + (_i - bvirt);
+            b[3] = u3;
+            return 4;
+        }
+    }
+}
+
+function tailadd(finlen, a, b, k, z) {
+    let bvirt, c, ahi, alo, bhi, blo, _i, _j, _k, _0, s1, s0, u3;
+    s1 = a * b;
+    c = splitter * a;
+    ahi = c - (c - a);
+    alo = a - ahi;
+    c = splitter * b;
+    bhi = c - (c - b);
+    blo = b - bhi;
+    s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+    c = splitter * k;
+    bhi = c - (c - k);
+    blo = k - bhi;
+    _i = s0 * k;
+    c = splitter * s0;
+    ahi = c - (c - s0);
+    alo = s0 - ahi;
+    u[0] = alo * blo - (_i - ahi * bhi - alo * bhi - ahi * blo);
+    _j = s1 * k;
+    c = splitter * s1;
+    ahi = c - (c - s1);
+    alo = s1 - ahi;
+    _0 = alo * blo - (_j - ahi * bhi - alo * bhi - ahi * blo);
+    _k = _i + _0;
+    bvirt = _k - _i;
+    u[1] = _i - (_k - bvirt) + (_0 - bvirt);
+    u3 = _j + _k;
+    u[2] = _k - (u3 - _j);
+    u[3] = u3;
+    finlen = finadd(finlen, 4, u);
+    if (z !== 0) {
+        c = splitter * z;
+        bhi = c - (c - z);
+        blo = z - bhi;
+        _i = s0 * z;
+        c = splitter * s0;
+        ahi = c - (c - s0);
+        alo = s0 - ahi;
+        u[0] = alo * blo - (_i - ahi * bhi - alo * bhi - ahi * blo);
+        _j = s1 * z;
+        c = splitter * s1;
+        ahi = c - (c - s1);
+        alo = s1 - ahi;
+        _0 = alo * blo - (_j - ahi * bhi - alo * bhi - ahi * blo);
+        _k = _i + _0;
+        bvirt = _k - _i;
+        u[1] = _i - (_k - bvirt) + (_0 - bvirt);
+        u3 = _j + _k;
+        u[2] = _k - (u3 - _j);
+        u[3] = u3;
+        finlen = finadd(finlen, 4, u);
+    }
+    return finlen;
+}
+
+function orient3dadapt(ax, ay, az, bx, by, bz, cx, cy, cz, dx, dy, dz, permanent) {
+    let finlen;
+    let adxtail, bdxtail, cdxtail;
+    let adytail, bdytail, cdytail;
+    let adztail, bdztail, cdztail;
+    let bvirt, c, ahi, alo, bhi, blo, _i, _j, _0, s1, s0, t1, t0, u3;
+
+    const adx = ax - dx;
+    const bdx = bx - dx;
+    const cdx = cx - dx;
+    const ady = ay - dy;
+    const bdy = by - dy;
+    const cdy = cy - dy;
+    const adz = az - dz;
+    const bdz = bz - dz;
+    const cdz = cz - dz;
+
+    s1 = bdx * cdy;
+    c = splitter * bdx;
+    ahi = c - (c - bdx);
+    alo = bdx - ahi;
+    c = splitter * cdy;
+    bhi = c - (c - cdy);
+    blo = cdy - bhi;
+    s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+    t1 = cdx * bdy;
+    c = splitter * cdx;
+    ahi = c - (c - cdx);
+    alo = cdx - ahi;
+    c = splitter * bdy;
+    bhi = c - (c - bdy);
+    blo = bdy - bhi;
+    t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
+    _i = s0 - t0;
+    bvirt = s0 - _i;
+    bc[0] = s0 - (_i + bvirt) + (bvirt - t0);
+    _j = s1 + _i;
+    bvirt = _j - s1;
+    _0 = s1 - (_j - bvirt) + (_i - bvirt);
+    _i = _0 - t1;
+    bvirt = _0 - _i;
+    bc[1] = _0 - (_i + bvirt) + (bvirt - t1);
+    u3 = _j + _i;
+    bvirt = u3 - _j;
+    bc[2] = _j - (u3 - bvirt) + (_i - bvirt);
+    bc[3] = u3;
+    s1 = cdx * ady;
+    c = splitter * cdx;
+    ahi = c - (c - cdx);
+    alo = cdx - ahi;
+    c = splitter * ady;
+    bhi = c - (c - ady);
+    blo = ady - bhi;
+    s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+    t1 = adx * cdy;
+    c = splitter * adx;
+    ahi = c - (c - adx);
+    alo = adx - ahi;
+    c = splitter * cdy;
+    bhi = c - (c - cdy);
+    blo = cdy - bhi;
+    t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
+    _i = s0 - t0;
+    bvirt = s0 - _i;
+    ca[0] = s0 - (_i + bvirt) + (bvirt - t0);
+    _j = s1 + _i;
+    bvirt = _j - s1;
+    _0 = s1 - (_j - bvirt) + (_i - bvirt);
+    _i = _0 - t1;
+    bvirt = _0 - _i;
+    ca[1] = _0 - (_i + bvirt) + (bvirt - t1);
+    u3 = _j + _i;
+    bvirt = u3 - _j;
+    ca[2] = _j - (u3 - bvirt) + (_i - bvirt);
+    ca[3] = u3;
+    s1 = adx * bdy;
+    c = splitter * adx;
+    ahi = c - (c - adx);
+    alo = adx - ahi;
+    c = splitter * bdy;
+    bhi = c - (c - bdy);
+    blo = bdy - bhi;
+    s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
+    t1 = bdx * ady;
+    c = splitter * bdx;
+    ahi = c - (c - bdx);
+    alo = bdx - ahi;
+    c = splitter * ady;
+    bhi = c - (c - ady);
+    blo = ady - bhi;
+    t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
+    _i = s0 - t0;
+    bvirt = s0 - _i;
+    ab[0] = s0 - (_i + bvirt) + (bvirt - t0);
+    _j = s1 + _i;
+    bvirt = _j - s1;
+    _0 = s1 - (_j - bvirt) + (_i - bvirt);
+    _i = _0 - t1;
+    bvirt = _0 - _i;
+    ab[1] = _0 - (_i + bvirt) + (bvirt - t1);
+    u3 = _j + _i;
+    bvirt = u3 - _j;
+    ab[2] = _j - (u3 - bvirt) + (_i - bvirt);
+    ab[3] = u3;
+
+    finlen = sum(
+        sum(
+            scale(4, bc, adz, _8), _8,
+            scale(4, ca, bdz, _8b), _8b, _16), _16,
+        scale(4, ab, cdz, _8), _8, fin);
+
+    let det = estimate(finlen, fin);
+    let errbound = o3derrboundB * permanent;
+    if (det >= errbound || -det >= errbound) {
+        return det;
+    }
+
+    bvirt = ax - adx;
+    adxtail = ax - (adx + bvirt) + (bvirt - dx);
+    bvirt = bx - bdx;
+    bdxtail = bx - (bdx + bvirt) + (bvirt - dx);
+    bvirt = cx - cdx;
+    cdxtail = cx - (cdx + bvirt) + (bvirt - dx);
+    bvirt = ay - ady;
+    adytail = ay - (ady + bvirt) + (bvirt - dy);
+    bvirt = by - bdy;
+    bdytail = by - (bdy + bvirt) + (bvirt - dy);
+    bvirt = cy - cdy;
+    cdytail = cy - (cdy + bvirt) + (bvirt - dy);
+    bvirt = az - adz;
+    adztail = az - (adz + bvirt) + (bvirt - dz);
+    bvirt = bz - bdz;
+    bdztail = bz - (bdz + bvirt) + (bvirt - dz);
+    bvirt = cz - cdz;
+    cdztail = cz - (cdz + bvirt) + (bvirt - dz);
+
+    if (adxtail === 0 && bdxtail === 0 && cdxtail === 0 &&
+        adytail === 0 && bdytail === 0 && cdytail === 0 &&
+        adztail === 0 && bdztail === 0 && cdztail === 0) {
+        return det;
+    }
+
+    errbound = o3derrboundC * permanent + resulterrbound * Math.abs(det);
+    det +=
+        adz * (bdx * cdytail + cdy * bdxtail - (bdy * cdxtail + cdx * bdytail)) + adztail * (bdx * cdy - bdy * cdx) +
+        bdz * (cdx * adytail + ady * cdxtail - (cdy * adxtail + adx * cdytail)) + bdztail * (cdx * ady - cdy * adx) +
+        cdz * (adx * bdytail + bdy * adxtail - (ady * bdxtail + bdx * adytail)) + cdztail * (adx * bdy - ady * bdx);
+    if (det >= errbound || -det >= errbound) {
+        return det;
+    }
+
+    const at_len = tailinit(adxtail, adytail, bdx, bdy, cdx, cdy, at_b, at_c);
+    const bt_len = tailinit(bdxtail, bdytail, cdx, cdy, adx, ady, bt_c, bt_a);
+    const ct_len = tailinit(cdxtail, cdytail, adx, ady, bdx, bdy, ct_a, ct_b);
+
+    const bctlen = sum(bt_len, bt_c, ct_len, ct_b, bct);
+    finlen = finadd(finlen, scale(bctlen, bct, adz, _16), _16);
+
+    const catlen = sum(ct_len, ct_a, at_len, at_c, cat);
+    finlen = finadd(finlen, scale(catlen, cat, bdz, _16), _16);
+
+    const abtlen = sum(at_len, at_b, bt_len, bt_a, abt);
+    finlen = finadd(finlen, scale(abtlen, abt, cdz, _16), _16);
+
+    if (adztail !== 0) {
+        finlen = finadd(finlen, scale(4, bc, adztail, _12), _12);
+        finlen = finadd(finlen, scale(bctlen, bct, adztail, _16), _16);
+    }
+    if (bdztail !== 0) {
+        finlen = finadd(finlen, scale(4, ca, bdztail, _12), _12);
+        finlen = finadd(finlen, scale(catlen, cat, bdztail, _16), _16);
+    }
+    if (cdztail !== 0) {
+        finlen = finadd(finlen, scale(4, ab, cdztail, _12), _12);
+        finlen = finadd(finlen, scale(abtlen, abt, cdztail, _16), _16);
+    }
+
+    if (adxtail !== 0) {
+        if (bdytail !== 0) {
+            finlen = tailadd(finlen, adxtail, bdytail, cdz, cdztail);
+        }
+        if (cdytail !== 0) {
+            finlen = tailadd(finlen, -adxtail, cdytail, bdz, bdztail);
+        }
+    }
+    if (bdxtail !== 0) {
+        if (cdytail !== 0) {
+            finlen = tailadd(finlen, bdxtail, cdytail, adz, adztail);
+        }
+        if (adytail !== 0) {
+            finlen = tailadd(finlen, -bdxtail, adytail, cdz, cdztail);
+        }
+    }
+    if (cdxtail !== 0) {
+        if (adytail !== 0) {
+            finlen = tailadd(finlen, cdxtail, adytail, bdz, bdztail);
+        }
+        if (bdytail !== 0) {
+            finlen = tailadd(finlen, -cdxtail, bdytail, adz, adztail);
+        }
+    }
+
+    return fin[finlen - 1];
+}
+
+function orient3d(ax, ay, az, bx, by, bz, cx, cy, cz, dx, dy, dz) {
+    const adx = ax - dx;
+    const bdx = bx - dx;
+    const cdx = cx - dx;
+    const ady = ay - dy;
+    const bdy = by - dy;
+    const cdy = cy - dy;
+    const adz = az - dz;
+    const bdz = bz - dz;
+    const cdz = cz - dz;
+
+    const bdxcdy = bdx * cdy;
+    const cdxbdy = cdx * bdy;
+
+    const cdxady = cdx * ady;
+    const adxcdy = adx * cdy;
+
+    const adxbdy = adx * bdy;
+    const bdxady = bdx * ady;
+
+    const det =
+        adz * (bdxcdy - cdxbdy) +
+        bdz * (cdxady - adxcdy) +
+        cdz * (adxbdy - bdxady);
+
+    const permanent =
+        (Math.abs(bdxcdy) + Math.abs(cdxbdy)) * Math.abs(adz) +
+        (Math.abs(cdxady) + Math.abs(adxcdy)) * Math.abs(bdz) +
+        (Math.abs(adxbdy) + Math.abs(bdxady)) * Math.abs(cdz);
+
+    const errbound = o3derrboundA * permanent;
+    if (det > errbound || -det > errbound) {
+        return det;
+    }
+
+    return orient3dadapt(ax, ay, az, bx, by, bz, cx, cy, cz, dx, dy, dz, permanent);
+}
+
+function orient3dfast(ax, ay, az, bx, by, bz, cx, cy, cz, dx, dy, dz) {
+    const adx = ax - dx;
+    const bdx = bx - dx;
+    const cdx = cx - dx;
+    const ady = ay - dy;
+    const bdy = by - dy;
+    const cdy = cy - dy;
+    const adz = az - dz;
+    const bdz = bz - dz;
+    const cdz = cz - dz;
+
+    return adx * (bdy * cdz - bdz * cdy) +
+        bdx * (cdy * adz - cdz * ady) +
+        cdx * (ady * bdz - adz * bdy);
+}
+
+exports.orient3d = orient3d;
+exports.orient3dfast = orient3dfast;
+
+}));