Vendor Vanta.js, three.js, suncalc locally for offline operation

Dockerfile

@@ -7,5 +7,6 @@ COPY config.js /usr/share/nginx/html/config.js
 COPY i18n.js /usr/share/nginx/html/i18n.js
 COPY index.html /usr/share/nginx/html/index.html
 COPY noise.png /usr/share/nginx/html/noise.png
+COPY vendor/ /usr/share/nginx/html/vendor/
 EXPOSE 58881
 CMD ["nginx", "-g", "daemon off;"]

index.html

@@ -15,7 +15,7 @@
         })();
     </script>
     <link id="theme-css" rel="stylesheet" href="ash.css">
-    <script src="https://cdn.jsdelivr.net/npm/suncalc@1.9.0/suncalc.js"></script>
+    <script src="vendor/suncalc.js"></script>
     <style>
         html, body { margin: 0; padding: 0; overflow: hidden; width: 100%; height: 100%; font-family: monospace; }
         #vanta { width: 100vw; height: 100vh; position: fixed; top: 0; left: 0; }
@@ -456,8 +456,9 @@
         <div id="weather-current" class="weather-current"></div>
         <div id="weather-forecast" class="weather-forecast"></div>
     </div>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
-    <script src="https://cdn.jsdelivr.net/npm/vanta@latest/dist/vanta.clouds2.min.js"></script>
+    <script src="vendor/three.min.js"></script>
+    <script src="vendor/vanta.clouds.min.js"></script>
+    <script src="vendor/vanta.clouds2.min.js"></script>
     <script>
 var effect = (VANTA.CLOUDS2 || VANTA.CLOUDS)({
             el: "#vanta",

vendor/LICENSE

@@ -0,0 +1,25 @@
+three.min.js - three.js (r128)
+Source: https://github.com/mrdoob/three.js
+License: MIT (https://github.com/mrdoob/three.js/blob/dev/LICENSE)
+Used under the terms of the MIT License.
+
+suncalc.js - SunCalc (v1.9.0)
+Source: https://github.com/mourner/suncalc
+Original author: Vladimir Agafonkin (mourner)
+License: ISC (https://github.com/mourner/suncalc/blob/master/LICENSE)
+Used under the terms of the ISC License.
+
+vanta.clouds.min.js - Vanta.js Clouds effect (v0.5.21)
+Source: https://github.com/tengbao/vanta
+Author: Teng Bao
+License: MIT (https://github.com/tengbao/vanta/blob/master/LICENSE)
+Used under the terms of the MIT License.
+
+vanta.clouds2.min.js - Vanta.js Clouds2 effect (v0.5.21)
+Source: https://github.com/tengbao/vanta
+Author: Teng Bao
+License: MIT (https://github.com/tengbao/vanta/blob/master/LICENSE)
+Used under the terms of the MIT License.
+
+These libraries are vendored locally so the application can run fully offline
+without any external network dependencies.

vendor/suncalc.js

@@ -0,0 +1,317 @@
+/*
+ (c) 2011-2015, Vladimir Agafonkin
+ SunCalc is a JavaScript library for calculating sun/moon position and light phases.
+ https://github.com/mourner/suncalc
+*/
+
+(function () { 'use strict';
+
+// shortcuts for easier to read formulas
+
+var PI   = Math.PI,
+    sin  = Math.sin,
+    cos  = Math.cos,
+    tan  = Math.tan,
+    asin = Math.asin,
+    atan = Math.atan2,
+    acos = Math.acos,
+    rad  = PI / 180;
+
+// sun calculations are based on http://aa.quae.nl/en/reken/zonpositie.html formulas
+
+
+// date/time constants and conversions
+
+var dayMs = 1000 * 60 * 60 * 24,
+    J1970 = 2440588,
+    J2000 = 2451545;
+
+function toJulian(date) { return date.valueOf() / dayMs - 0.5 + J1970; }
+function fromJulian(j)  { return new Date((j + 0.5 - J1970) * dayMs); }
+function toDays(date)   { return toJulian(date) - J2000; }
+
+
+// general calculations for position
+
+var e = rad * 23.4397; // obliquity of the Earth
+
+function rightAscension(l, b) { return atan(sin(l) * cos(e) - tan(b) * sin(e), cos(l)); }
+function declination(l, b)    { return asin(sin(b) * cos(e) + cos(b) * sin(e) * sin(l)); }
+
+function azimuth(H, phi, dec)  { return atan(sin(H), cos(H) * sin(phi) - tan(dec) * cos(phi)); }
+function altitude(H, phi, dec) { return asin(sin(phi) * sin(dec) + cos(phi) * cos(dec) * cos(H)); }
+
+function siderealTime(d, lw) { return rad * (280.16 + 360.9856235 * d) - lw; }
+
+function astroRefraction(h) {
+    if (h < 0) // the following formula works for positive altitudes only.
+        h = 0; // if h = -0.08901179 a div/0 would occur.
+
+    // formula 16.4 of "Astronomical Algorithms" 2nd edition by Jean Meeus (Willmann-Bell, Richmond) 1998.
+    // 1.02 / tan(h + 10.26 / (h + 5.10)) h in degrees, result in arc minutes -> converted to rad:
+    return 0.0002967 / Math.tan(h + 0.00312536 / (h + 0.08901179));
+}
+
+// general sun calculations
+
+function solarMeanAnomaly(d) { return rad * (357.5291 + 0.98560028 * d); }
+
+function eclipticLongitude(M) {
+
+    var C = rad * (1.9148 * sin(M) + 0.02 * sin(2 * M) + 0.0003 * sin(3 * M)), // equation of center
+        P = rad * 102.9372; // perihelion of the Earth
+
+    return M + C + P + PI;
+}
+
+function sunCoords(d) {
+
+    var M = solarMeanAnomaly(d),
+        L = eclipticLongitude(M);
+
+    return {
+        dec: declination(L, 0),
+        ra: rightAscension(L, 0)
+    };
+}
+
+
+var SunCalc = {};
+
+
+// calculates sun position for a given date and latitude/longitude
+
+SunCalc.getPosition = function (date, lat, lng) {
+
+    var lw  = rad * -lng,
+        phi = rad * lat,
+        d   = toDays(date),
+
+        c  = sunCoords(d),
+        H  = siderealTime(d, lw) - c.ra;
+
+    return {
+        azimuth: azimuth(H, phi, c.dec),
+        altitude: altitude(H, phi, c.dec)
+    };
+};
+
+
+// sun times configuration (angle, morning name, evening name)
+
+var times = SunCalc.times = [
+    [-0.833, 'sunrise',       'sunset'      ],
+    [  -0.3, 'sunriseEnd',    'sunsetStart' ],
+    [    -6, 'dawn',          'dusk'        ],
+    [   -12, 'nauticalDawn',  'nauticalDusk'],
+    [   -18, 'nightEnd',      'night'       ],
+    [     6, 'goldenHourEnd', 'goldenHour'  ]
+];
+
+// adds a custom time to the times config
+
+SunCalc.addTime = function (angle, riseName, setName) {
+    times.push([angle, riseName, setName]);
+};
+
+
+// calculations for sun times
+
+var J0 = 0.0009;
+
+function julianCycle(d, lw) { return Math.round(d - J0 - lw / (2 * PI)); }
+
+function approxTransit(Ht, lw, n) { return J0 + (Ht + lw) / (2 * PI) + n; }
+function solarTransitJ(ds, M, L)  { return J2000 + ds + 0.0053 * sin(M) - 0.0069 * sin(2 * L); }
+
+function hourAngle(h, phi, d) { return acos((sin(h) - sin(phi) * sin(d)) / (cos(phi) * cos(d))); }
+function observerAngle(height) { return -2.076 * Math.sqrt(height) / 60; }
+
+// returns set time for the given sun altitude
+function getSetJ(h, lw, phi, dec, n, M, L) {
+
+    var w = hourAngle(h, phi, dec),
+        a = approxTransit(w, lw, n);
+    return solarTransitJ(a, M, L);
+}
+
+
+// calculates sun times for a given date, latitude/longitude, and, optionally,
+// the observer height (in meters) relative to the horizon
+
+SunCalc.getTimes = function (date, lat, lng, height) {
+
+    height = height || 0;
+
+    var lw = rad * -lng,
+        phi = rad * lat,
+
+        dh = observerAngle(height),
+
+        d = toDays(date),
+        n = julianCycle(d, lw),
+        ds = approxTransit(0, lw, n),
+
+        M = solarMeanAnomaly(ds),
+        L = eclipticLongitude(M),
+        dec = declination(L, 0),
+
+        Jnoon = solarTransitJ(ds, M, L),
+
+        i, len, time, h0, Jset, Jrise;
+
+
+    var result = {
+        solarNoon: fromJulian(Jnoon),
+        nadir: fromJulian(Jnoon - 0.5)
+    };
+
+    for (i = 0, len = times.length; i < len; i += 1) {
+        time = times[i];
+        h0 = (time[0] + dh) * rad;
+
+        Jset = getSetJ(h0, lw, phi, dec, n, M, L);
+        Jrise = Jnoon - (Jset - Jnoon);
+
+        result[time[1]] = fromJulian(Jrise);
+        result[time[2]] = fromJulian(Jset);
+    }
+
+    return result;
+};
+
+
+// moon calculations, based on http://aa.quae.nl/en/reken/hemelpositie.html formulas
+
+function moonCoords(d) { // geocentric ecliptic coordinates of the moon
+
+    var L = rad * (218.316 + 13.176396 * d), // ecliptic longitude
+        M = rad * (134.963 + 13.064993 * d), // mean anomaly
+        F = rad * (93.272 + 13.229350 * d),  // mean distance
+
+        l  = L + rad * 6.289 * sin(M), // longitude
+        b  = rad * 5.128 * sin(F),     // latitude
+        dt = 385001 - 20905 * cos(M);  // distance to the moon in km
+
+    return {
+        ra: rightAscension(l, b),
+        dec: declination(l, b),
+        dist: dt
+    };
+}
+
+SunCalc.getMoonPosition = function (date, lat, lng) {
+
+    var lw  = rad * -lng,
+        phi = rad * lat,
+        d   = toDays(date),
+
+        c = moonCoords(d),
+        H = siderealTime(d, lw) - c.ra,
+        h = altitude(H, phi, c.dec),
+        // formula 14.1 of "Astronomical Algorithms" 2nd edition by Jean Meeus (Willmann-Bell, Richmond) 1998.
+        pa = atan(sin(H), tan(phi) * cos(c.dec) - sin(c.dec) * cos(H));
+
+    h = h + astroRefraction(h); // altitude correction for refraction
+
+    return {
+        azimuth: azimuth(H, phi, c.dec),
+        altitude: h,
+        distance: c.dist,
+        parallacticAngle: pa
+    };
+};
+
+
+// calculations for illumination parameters of the moon,
+// based on http://idlastro.gsfc.nasa.gov/ftp/pro/astro/mphase.pro formulas and
+// Chapter 48 of "Astronomical Algorithms" 2nd edition by Jean Meeus (Willmann-Bell, Richmond) 1998.
+
+SunCalc.getMoonIllumination = function (date) {
+
+    var d = toDays(date || new Date()),
+        s = sunCoords(d),
+        m = moonCoords(d),
+
+        sdist = 149598000, // distance from Earth to Sun in km
+
+        phi = acos(sin(s.dec) * sin(m.dec) + cos(s.dec) * cos(m.dec) * cos(s.ra - m.ra)),
+        inc = atan(sdist * sin(phi), m.dist - sdist * cos(phi)),
+        angle = atan(cos(s.dec) * sin(s.ra - m.ra), sin(s.dec) * cos(m.dec) -
+                cos(s.dec) * sin(m.dec) * cos(s.ra - m.ra));
+
+    return {
+        fraction: (1 + cos(inc)) / 2,
+        phase: 0.5 + 0.5 * inc * (angle < 0 ? -1 : 1) / Math.PI,
+        angle: angle
+    };
+};
+
+
+function hoursLater(date, h) {
+    return new Date(date.valueOf() + h * dayMs / 24);
+}
+
+// calculations for moon rise/set times are based on http://www.stargazing.net/kepler/moonrise.html article
+
+SunCalc.getMoonTimes = function (date, lat, lng, inUTC) {
+    var t = new Date(date);
+    if (inUTC) t.setUTCHours(0, 0, 0, 0);
+    else t.setHours(0, 0, 0, 0);
+
+    var hc = 0.133 * rad,
+        h0 = SunCalc.getMoonPosition(t, lat, lng).altitude - hc,
+        h1, h2, rise, set, a, b, xe, ye, d, roots, x1, x2, dx;
+
+    // go in 2-hour chunks, each time seeing if a 3-point quadratic curve crosses zero (which means rise or set)
+    for (var i = 1; i <= 24; i += 2) {
+        h1 = SunCalc.getMoonPosition(hoursLater(t, i), lat, lng).altitude - hc;
+        h2 = SunCalc.getMoonPosition(hoursLater(t, i + 1), lat, lng).altitude - hc;
+
+        a = (h0 + h2) / 2 - h1;
+        b = (h2 - h0) / 2;
+        xe = -b / (2 * a);
+        ye = (a * xe + b) * xe + h1;
+        d = b * b - 4 * a * h1;
+        roots = 0;
+
+        if (d >= 0) {
+            dx = Math.sqrt(d) / (Math.abs(a) * 2);
+            x1 = xe - dx;
+            x2 = xe + dx;
+            if (Math.abs(x1) <= 1) roots++;
+            if (Math.abs(x2) <= 1) roots++;
+            if (x1 < -1) x1 = x2;
+        }
+
+        if (roots === 1) {
+            if (h0 < 0) rise = i + x1;
+            else set = i + x1;
+
+        } else if (roots === 2) {
+            rise = i + (ye < 0 ? x2 : x1);
+            set = i + (ye < 0 ? x1 : x2);
+        }
+
+        if (rise && set) break;
+
+        h0 = h2;
+    }
+
+    var result = {};
+
+    if (rise) result.rise = hoursLater(t, rise);
+    if (set) result.set = hoursLater(t, set);
+
+    if (!rise && !set) result[ye > 0 ? 'alwaysUp' : 'alwaysDown'] = true;
+
+    return result;
+};
+
+
+// export as Node module / AMD module / browser variable
+if (typeof exports === 'object' && typeof module !== 'undefined') module.exports = SunCalc;
+else if (typeof define === 'function' && define.amd) define(SunCalc);
+else window.SunCalc = SunCalc;
+
+}());

vendor/three.min.js

@@ -0,0 +1,6 @@
+/**
+ * @license
+ * Copyright 2010-2021 Three.js Authors
+ * SPDX-License-Identifier: MIT
+ */
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).THREE={})}(this,(function(t){"use strict";const e="128",n=100,i=300,r=301,s=302,a=303,o=304,l=306,c=307,h=1e3,u=1001,d=1002,p=1003,m=1004,f=1005,g=1006,v=1007,y=1008,x=1009,_=1012,w=1014,b=1015,M=1016,S=1020,T=1022,E=1023,A=1026,L=1027,R=33776,C=33777,P=33778,D=33779,I=35840,N=35841,B=35842,z=35843,F=37492,O=37496,H=2300,G=2301,U=2302,k=2400,V=2401,W=2402,j=2500,q=2501,X=3e3,Y=3001,Z=3007,J=3002,Q=3004,K=3005,$=3006,tt=7680,et=35044,nt=35048,it="300 es";class rt{addEventListener(t,e){void 0===this._listeners&&(this._listeners={});const n=this._listeners;void 0===n[t]&&(n[t]=[]),-1===n[t].indexOf(e)&&n[t].push(e)}hasEventListener(t,e){if(void 0===this._listeners)return!1;const n=this._listeners;return void 0!==n[t]&&-1!==n[t].indexOf(e)}removeEventListener(t,e){if(void 0===this._listeners)return;const n=this._listeners[t];if(void 0!==n){const t=n.indexOf(e);-1!==t&&n.splice(t,1)}}dispatchEvent(t){if(void 0===this._listeners)return;const e=this._listeners[t.type];if(void 0!==e){t.target=this;const n=e.slice(0);for(let e=0,i=n.length;e<i;e++)n[e].call(this,t);t.target=null}}}const st=[];for(let t=0;t<256;t++)st[t]=(t<16?"0":"")+t.toString(16);let at=1234567;const ot=Math.PI/180,lt=180/Math.PI;function ct(){const t=4294967295*Math.random()|0,e=4294967295*Math.random()|0,n=4294967295*Math.random()|0,i=4294967295*Math.random()|0;return(st[255&t]+st[t>>8&255]+st[t>>16&255]+st[t>>24&255]+"-"+st[255&e]+st[e>>8&255]+"-"+st[e>>16&15|64]+st[e>>24&255]+"-"+st[63&n|128]+st[n>>8&255]+"-"+st[n>>16&255]+st[n>>24&255]+st[255&i]+st[i>>8&255]+st[i>>16&255]+st[i>>24&255]).toUpperCase()}function ht(t,e,n){return Math.max(e,Math.min(n,t))}function ut(t,e){return(t%e+e)%e}function dt(t,e,n){return(1-n)*t+n*e}function pt(t){return 0==(t&t-1)&&0!==t}function mt(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))}function ft(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))}var gt=Object.freeze({__proto__:null,DEG2RAD:ot,RAD2DEG:lt,generateUUID:ct,clamp:ht,euclideanModulo:ut,mapLinear:function(t,e,n,i,r){return i+(t-e)*(r-i)/(n-e)},inverseLerp:function(t,e,n){return t!==e?(n-t)/(e-t):0},lerp:dt,damp:function(t,e,n,i){return dt(t,e,1-Math.exp(-n*i))},pingpong:function(t,e=1){return e-Math.abs(ut(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){return void 0!==t&&(at=t%2147483647),at=16807*at%2147483647,(at-1)/2147483646},degToRad:function(t){return t*ot},radToDeg:function(t){return t*lt},isPowerOfTwo:pt,ceilPowerOfTwo:mt,floorPowerOfTwo:ft,setQuaternionFromProperEuler:function(t,e,n,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),c=s((e+i)/2),h=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*h,l*u,l*d,o*c);break;case"YZY":t.set(l*d,o*h,l*u,o*c);break;case"ZXZ":t.set(l*u,l*d,o*h,o*c);break;case"XZX":t.set(o*h,l*m,l*p,o*c);break;case"YXY":t.set(l*p,o*h,l*m,o*c);break;case"ZYZ":t.set(l*m,l*p,o*h,o*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}}});class vt{constructor(t=0,e=0){this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t,e){return void 0!==e?(console.warn("THREE.Vector2: .add() now only accepts one argument. 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vendor/vanta.clouds.min.js

@@ -0,0 +1 @@
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