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jquery.twinkle.js	Edit

Editing: jquery.twinkle.js

/*! jquery-twinkle v0.10.0 - https://larsjung.de/jquery-twinkle/ */
"use strict";

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

return _insts[id];
    };
  }();

mod('canvas-effects', function () {
    /* globals mod */
    var interpolate = mod('interpolate');
    var canvas_run = mod('canvas-run');
    var add = mod('plugin');
    var DROPS_DEFAULTS = {
      color: 'rgba(255,0,0,0.5)',
      radius: 300,
      duration: 1000,
      width: 2,
      count: 3,
      delay: 300
    };

var trans = function trans(x, scale, offset) {
      scale = scale || 1;
      offset = offset || 0;
      x = (x - offset) / scale;
      return x >= 0 && x <= 1 ? x : undefined;
    };

var drops = function drops(tev, opts, cb) {
      var settings = _objectSpread(_objectSpread({}, DROPS_DEFAULTS), opts);

var size = settings.radius * 2;
      var alpha_ipl = interpolate([0.4, 1, 0]);
      var radius_ipl = interpolate([0, settings.radius]);
      var scale = (settings.duration - (settings.count - 1) * settings.delay) / settings.duration;
      var offset = settings.delay / settings.duration;

var on_frame = function on_frame(ctx, frac) {
        ctx.clear();

for (var i = 0; i < settings.count; i += 1) {
          var f = trans(frac, scale, offset * i);

if (f !== undefined) {
            ctx.opacity(alpha_ipl(f)).path().circle(ctx.width * 0.5, ctx.height * 0.5, radius_ipl(f)).stroke(settings.width, settings.color);
          }
        }
      };

canvas_run(tev, size, on_frame, cb, settings.duration);
    };

var drop = function drop(tev, opts, cb) {
      drops(tev, _objectSpread(_objectSpread({}, opts), {}, {
        count: 1
      }), cb);
    };

var SPLASH_DEFAULTS = {
      color: 'rgba(255,0,0,0.5)',
      radius: 300,
      duration: 1000
    };

var splash = function splash(tev, opts, cb) {
      var settings = _objectSpread(_objectSpread({}, SPLASH_DEFAULTS), opts);

var size = settings.radius * 2;
      var alpha_ipl = interpolate([0.4, 1, 0]);
      var radius_ipl = interpolate([0, settings.radius]);

var on_frame = function on_frame(ctx, frac) {
        var radius = radius_ipl(frac);
        var opacity = alpha_ipl(frac);
        ctx.clear().opacity(opacity).path().circle(ctx.width * 0.5, ctx.height * 0.5, radius).fill(settings.color);
      };

canvas_run(tev, size, on_frame, cb, settings.duration);
    };

var PULSE_DEFAULTS = {
      color: 'rgba(255,0,0,0.5)',
      radius: 100,
      duration: 3000
    };

var pulse = function pulse(tev, opts, cb) {
      var settings = _objectSpread(_objectSpread({}, PULSE_DEFAULTS), opts);

var size = settings.radius * 2;
      var alpha_ipl = interpolate([0, 1, 0.6, 1, 0.6, 1, 0]);
      var radius_ipl = interpolate([0, settings.radius, settings.radius * 0.6, settings.radius, settings.radius * 0.6, settings.radius, 0]);

canvas_run(tev, size, on_frame, cb, settings.duration);
    };

var ORBIT_DEFAULTS = {
      color: 'rgba(255,0,0,0.5)',
      radius: 100,
      duration: 3000,
      satellites: 10,
      satellitesRadius: 10,
      circulations: 1.5
    };

var orbit = function orbit(tev, opts, cb) {
      var settings = _objectSpread(_objectSpread({}, ORBIT_DEFAULTS), opts);

var size = settings.radius * 2;
      var alpha_ipl = interpolate([0.4, 1, 1, 0.4]);
      var r = settings.radius - settings.satellitesRadius;
      var radius_ipl = interpolate([0, r, r, 0]);

var on_frame = function on_frame(ctx, frac) {
        var radius = radius_ipl(frac);
        var opacity = alpha_ipl(frac);
        var bog = Math.PI * 2 * settings.circulations * frac;
        ctx.clear().opacity(opacity).translate(ctx.width * 0.5, ctx.height * 0.5);
        var path = ctx.path();

for (var i = 0; i < settings.satellites; i += 1) {
          bog += Math.PI * 2 / settings.satellites;
          var x = Math.cos(bog) * radius;
          var y = Math.sin(bog) * radius;
          ctx.move_to(x, y);
          path.circle(x, y, settings.satellitesRadius);
        }

path.fill(settings.color);
      };

canvas_run(tev, size, on_frame, cb, settings.duration);
    };

add('drops', drops);
    add('drop', drop);
    add('splash', splash);
    add('pulse', pulse);
    add('orbit', orbit);
  });
  mod('canvas-run', function () {
    /* globals mod */
    var _mod = mod('util'),
        jq = _mod.jq,
        as_fn = _mod.as_fn,
        block_evs = _mod.block_evs;

var FPS = 25;

var Ctx = /*#__PURE__*/function () {
      function Ctx(ctx2d) {
        _classCallCheck(this, Ctx);

if (!ctx2d || !ctx2d.canvas) {
          return undefined;
        }

this.ctx2d = ctx2d;
        this.width = jq(ctx2d.canvas).width();
        this.height = jq(ctx2d.canvas).height();
      }

_createClass(Ctx, [{
        key: "clear",
        value: function clear() {
          this.ctx2d.setTransform(1, 0, 0, 1, 0, 0);
          this.ctx2d.clearRect(0, 0, this.width, this.height);
          return this;
        }
      }, {
        key: "move_to",
        value: function move_to(x, y) {
          this.ctx2d.moveTo(x, y);
          return this;
        }
      }, {
        key: "translate",
        value: function translate(x, y) {
          this.ctx2d.translate(x, y);
          return this;
        }
      }, {
        key: "opacity",
        value: function opacity(alpha) {
          this.ctx2d.globalAlpha = alpha;
          return this;
        }
      }, {
        key: "path",
        value: function path() {
          this.ctx2d.beginPath();
          return this;
        }
      }, {
        key: "circle",
        value: function circle(x, y, radius) {
          this.ctx2d.arc(x, y, radius, 0, 2 * Math.PI, false);
          return this;
        }
      }, {
        key: "fill",
        value: function fill(style) {
          this.ctx2d.fillStyle = style;
          this.ctx2d.fill();
          return this;
        }
      }, {
        key: "stroke",
        value: function stroke(width, style) {
          this.ctx2d.lineWidth = width;
          this.ctx2d.strokeStyle = style;
          this.ctx2d.stroke();
          return this;
        }
      }]);

return Ctx;
    }();

return function (tev, size, on_frame, on_end, duration) {
      var css = {
        position: 'absolute',
        zIndex: 1000,
        display: 'block',
        left: tev.left - size * 0.5,
        top: tev.top - size * 0.5,
        width: size,
        height: size
      };
      var $canvas = jq("<canvas width=".concat(size, " height=").concat(size, " />")).css(css);
      block_evs($canvas);
      jq(tev.el).after($canvas);
      var ctx = new Ctx($canvas.get(0).getContext('2d'));

var set_frame_timer = function set_frame_timer(frac) {
        setTimeout(function () {
          if (ctx) {
            on_frame(ctx, frac);
          }
        }, duration * frac);
      };

var clean_up = function clean_up() {
        $canvas.remove();
        $canvas = undefined;
        ctx = undefined;
        as_fn(on_end)();
      };

var frame_count = duration / 1000 * FPS;

for (var i = 0; i <= frame_count; i += 1) {
        set_frame_timer(i / frame_count);
      }

setTimeout(clean_up, duration);
    };
  });
  mod('css-effects', function () {
    /* globals mod */
    var _mod2 = mod('util'),
        jq = _mod2.jq,
        as_fn = _mod2.as_fn,
        block_evs = _mod2.block_evs;

var add = mod('plugin');

var css_run = function css_run(css, tev, settings, on_end) {
      var $dot;

var clean_up = function clean_up() {
        $dot.remove();
        as_fn(on_end)();
      };

var fade_out = function fade_out() {
        $dot.animate({
          left: tev.left - settings.radius,
          top: tev.top - settings.radius,
          width: settings.radius * 2,
          height: settings.radius * 2,
          opacity: 0
        }, settings.duration * 0.5, 'linear', clean_up);
      };

var fade_in = function fade_in() {
        $dot = jq('<div />').css(css);
        block_evs($dot);
        jq(tev.el).after($dot);
        $dot.animate({
          left: tev.left - settings.radius * 0.5,
          top: tev.top - settings.radius * 0.5,
          width: settings.radius,
          height: settings.radius,
          opacity: 1
        }, settings.duration * 0.5, 'linear', fade_out);
      };

fade_in();
    };

var SPLASH_DEFAULTS = {
      color: 'rgba(255,0,0,0.5)',
      radius: 300,
      duration: 1000
    };

var splash_css = function splash_css(tev, opts, cb) {
      var settings = _objectSpread(_objectSpread({}, SPLASH_DEFAULTS), opts);

var css = {
        position: 'absolute',
        zIndex: 1000,
        display: 'block',
        borderRadius: settings.radius,
        backgroundColor: settings.color,
        boxShadow: '0 0 30px ' + settings.color,
        left: tev.left,
        top: tev.top,
        width: 0,
        height: 0,
        opacity: 0.4
      };
      css_run(css, tev, settings, cb);
    };

var DROPS_DEFAULTS = {
      color: 'rgba(255,0,0,0.5)',
      radius: 300,
      duration: 1000,
      width: 2,
      count: 3,
      delay: 300
    };

var drops_css = function drops_css(tev, opts, cb) {
      var settings = _objectSpread(_objectSpread({}, DROPS_DEFAULTS), opts);

var css = {
        position: 'absolute',
        zIndex: 1000,
        display: 'block',
        borderRadius: settings.radius,
        border: settings.width + 'px solid ' + settings.color,
        left: tev.left,
        top: tev.top,
        width: 0,
        height: 0,
        opacity: 0.4
      };

var set_timer = function set_timer(delay, cb1) {
        setTimeout(function () {
          return css_run(css, tev, settings, cb1);
        }, delay);
      };

for (var i = 0, delay = 0; i < settings.count; i += 1) {
        set_timer(delay, i === settings.count - 1 ? cb : undefined);
        delay += settings.delay;
      }
    };

var drop_css = function drop_css(tev, opts, cb) {
      drops_css(tev, _objectSpread(_objectSpread({}, opts), {}, {
        count: 1
      }), cb);
    };

add('splash-css', splash_css);
    add('drops-css', drops_css);
    add('drop-css', drop_css);
  });
  mod('interpolate', function () {
    /* globals mod */
    var interpolate = function interpolate(vals) {
      var pts = vals.map(function (y, i) {
        return {
          x: i / (vals.length - 1),
          y: y
        };
      });

var find_section = function find_section(x) {
        for (var i = 1; i < pts.length; i += 1) {
          var prev = pts[i - 1];
          var current = pts[i];

if (x >= prev.x && x <= current.x) {
            return [prev, current];
          }
        }

return undefined;
      };

var linear = function linear(p1, p2, x) {
        var m = (p2.y - p1.y) / (p2.x - p1.x);
        return p1.y + m * (x - p1.x);
      };

return function (x) {
        x = x < 0 ? 0 : x > 1 ? 1 : x;
        var section = find_section(x);
        return linear(section[0], section[1], x);
      };
    };

return interpolate;
  });
  mod('plugin', function () {
    /* globals mod */
    var _mod3 = mod('util'),
        jq = _mod3.jq,
        is_fn = _mod3.is_fn,
        as_fn = _mod3.as_fn;

var DEFAULTS = {
      widthRatio: 0.5,
      heightRatio: 0.5,
      effect: 'splash',
      effectOptions: undefined,
      callback: undefined
    };
    var effects = {};

var add = function add(name, fn) {
      effects[name] = fn;
    };

var start_el = function start_el(el, opts) {
      var settings = _objectSpread(_objectSpread({}, DEFAULTS), opts);

var fn = effects[settings.effect];

if (!is_fn(fn)) {
        as_fn(settings.callback)();
        return;
      }

var $el = jq(el);
      var pos = $el.position();
      var width = $el.outerWidth(true);
      var height = $el.outerHeight(true);
      var left = pos.left + width * settings.widthRatio;
      var top = pos.top + height * settings.heightRatio;
      fn({
        el: el,
        left: left,
        top: top
      }, settings.effectOptions, as_fn(settings.callback));
    };

var start_els = function start_els(els, opts) {
      els = Array.from(els);
      var running = els.length;

var cb = function cb() {
        running -= 1;

if (!running) {
          as_fn(opts.callback)();
        }
      };

els.forEach(function (el) {
        return start_el(el, _objectSpread(_objectSpread({}, opts), {}, {
          callback: cb
        }));
      });
    };

jq.fn.twinkle = function main(opts) {
      start_els(this, opts);
      return this;
    };

return add;
  });
  mod('util', function () {
    /* globals mod */
    var jq = window.jQuery; // eslint-disable-line no-undef

var is_fn = function is_fn(x) {
      return typeof x === 'function';
    };

var as_fn = function as_fn(x) {
      return is_fn(x) ? x : function () {
        return null;
      };
    };

var block_evs = function block_evs(el) {
      jq(el).bind('click mousedown mouseenter mouseover mousemove', function (ev) {
        ev.stopImmediatePropagation();
        ev.preventDefault();
        return false;
      });
    };

return {
      jq: jq,
      is_fn: is_fn,
      as_fn: as_fn,
      block_evs: block_evs
    };
  });
  mod('plugin');
  mod('css-effects');
  mod('canvas-effects');
})();