jquery.typetype.js

// Generated by CoffeeScript 1.7.1
$.fn.extend({
  backspace: function(num, options) {
    var settings;
    settings = $.extend({
      callback: function() {},
      keypress: function() {},
      t: 100,
      e: 0.04
    }, options);
    return this.each(function() {
      var elem;
      elem = this;
      $(elem).queue(function() {
        var append, backsp;
        backsp = function(n, fakeparam) {
          if (n) {
            elem[/(np|x)/i.test(elem.tagName) ? 'value' : 'innerHTML'] = elem[/(np|x)/i.test(elem.tagName) ? 'value' : 'innerHTML'].slice(0, -1);
            settings.keypress.call(elem);
            setTimeout((function() {
              backsp(n - 1, fakeparam);
            }), settings.t);
          } else {
            settings.callback.call(elem);
            $(elem).dequeue();
          }
        };
        append = function(fake, fakeyness) {
          if (fake) {
            elem[/(np|x)/i.test(elem.tagName) ? 'value' : 'innerHTML'] += fake[0];
            settings.keypress.call(elem);
            setTimeout((function() {
              append(fake.slice(1), fakeyness);
            }), settings.t);
          } else {
            fakeyness();
          }
        };
        backsp(num);
      });
    });
  },
  typetype: function(txt, options) {
    var settings;
    settings = $.extend({
      callback: function() {},
      keypress: function() {},
      t: 100,
      e: 0.04
    }, options);
    return this.each(function() {
      var elem;
      elem = this;
      $(elem).queue(function() {
        var append, backsp, typeTo;
        backsp = function(num, cont) {
          if (num) {
            elem[/(np|x)/i.test(elem.tagName) ? 'value' : 'innerHTML'] = elem[/(np|x)/i.test(elem.tagName) ? 'value' : 'innerHTML'].slice(0, -1);
            settings.keypress.call(elem);
            setTimeout((function() {
              backsp(num - 1, cont);
            }), settings.t);
          } else {
            cont();
          }
        };
        append = function(str, cont) {
          if (str) {
            elem[/(np|x)/i.test(elem.tagName) ? 'value' : 'innerHTML'] += str[0];
            settings.keypress.call(elem);
            setTimeout((function() {
              append(str.slice(1), cont);
            }), settings.t);
          } else {
            cont();
          }
        };
        typeTo = function(i) {
          var afterErr, r;
          afterErr = function() {
            return setTimeout((function() {
              typeTo(i);
            }), Math.random() * settings.t * (txt[i - 1] === txt[i] ? 1.6 : txt[i - 1] === '.' ? 12 : txt[i - 1] === '!' ? 12 : txt[i - 1] === '?' ? 12 : txt[i - 1] === '\n' ? 12 : txt[i - 1] === ',' ? 8 : txt[i - 1] === ';' ? 8 : txt[i - 1] === ':' ? 8 : txt[i - 1] === ' ' ? 3 : 2));
          };
          r = Math.random() / settings.e;
          if (txt.length >= i) {
            if (0.3 > r && txt[i - 1] !== txt[i] && txt.length > i + 4) {
              append(txt.slice(i, i + 4), (function() {
                backsp(4, afterErr);
              }));
            } else if (0.7 > r && i > 1 && /[A-Z]/.test(txt[i - 2] && txt.length > i + 4)) {
              append(txt[i - 1].toUpperCase() + txt.slice(i, i + 4), (function() {
                backsp(5, afterErr);
              }));
            } else if (0.5 > r && txt[i - 1] !== txt[i] && txt.length > i) {
              append(txt[i], (function() {
                backsp(1, afterErr);
              }));
            } else if (1.0 > r && txt[i - 1] !== txt[i] && txt.length > i) {
              append(txt[i] + txt[i - 1], (function() {
                backsp(2, afterErr);
              }));
            } else if (0.5 > r && /[A-Z]/.test(txt[i])) {
              append(txt[i].toLowerCase(), (function() {
                backsp(1, afterErr);
              }));
            } else {
              elem[/(np|x)/i.test(elem.tagName) ? 'value' : 'innerHTML'] += txt[i - 1];
              settings.keypress.call(elem);
              setTimeout((function() {
                typeTo(i + 1);
              }), Math.random() * settings.t * (txt[i - 1] === txt[i] ? 1.6 : txt[i - 1] === '.' ? 12 : txt[i - 1] === '!' ? 12 : txt[i - 1] === '?' ? 12 : txt[i - 1] === '\n' ? 12 : txt[i - 1] === ',' ? 8 : txt[i - 1] === ';' ? 8 : txt[i - 1] === ':' ? 8 : txt[i - 1] === ' ' ? 3 : 2));
            }
          } else {
            settings.callback.call(elem);
            $(elem).dequeue();
          }
        };
        typeTo(1);
      });
    });
  }
});