component-counter
Version:
Simple counter component
257 lines (197 loc) • 15.7 kB
JavaScript
require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
module.exports = "<div class=\"counter-digit\">0</div>";
},{}],2:[function(require,module,exports){
/**
* Expose `parse`.
*/
module.exports = parse;
/**
* Tests for browser support.
*/
var div = document.createElement('div');
// Setup
div.innerHTML = ' <link/><table></table><a href="/a">a</a><input type="checkbox"/>';
// Make sure that link elements get serialized correctly by innerHTML
// This requires a wrapper element in IE
var innerHTMLBug = !div.getElementsByTagName('link').length;
div = undefined;
/**
* Wrap map from jquery.
*/
var map = {
legend: [1, '<fieldset>', '</fieldset>'],
tr: [2, '<table><tbody>', '</tbody></table>'],
col: [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>'],
// for script/link/style tags to work in IE6-8, you have to wrap
// in a div with a non-whitespace character in front, ha!
_default: innerHTMLBug ? [1, 'X<div>', '</div>'] : [0, '', '']
};
map.td =
map.th = [3, '<table><tbody><tr>', '</tr></tbody></table>'];
map.option =
map.optgroup = [1, '<select multiple="multiple">', '</select>'];
map.thead =
map.tbody =
map.colgroup =
map.caption =
map.tfoot = [1, '<table>', '</table>'];
map.polyline =
map.ellipse =
map.polygon =
map.circle =
map.text =
map.line =
map.path =
map.rect =
map.g = [1, '<svg xmlns="http://www.w3.org/2000/svg" version="1.1">','</svg>'];
/**
* Parse `html` and return a DOM Node instance, which could be a TextNode,
* HTML DOM Node of some kind (<div> for example), or a DocumentFragment
* instance, depending on the contents of the `html` string.
*
* @param {String} html - HTML string to "domify"
* @param {Document} doc - The `document` instance to create the Node for
* @return {DOMNode} the TextNode, DOM Node, or DocumentFragment instance
* @api private
*/
function parse(html, doc) {
if ('string' != typeof html) throw new TypeError('String expected');
// default to the global `document` object
if (!doc) doc = document;
// tag name
var m = /<([\w:]+)/.exec(html);
if (!m) return doc.createTextNode(html);
html = html.replace(/^\s+|\s+$/g, ''); // Remove leading/trailing whitespace
var tag = m[1];
// body support
if (tag == 'body') {
var el = doc.createElement('html');
el.innerHTML = html;
return el.removeChild(el.lastChild);
}
// wrap map
var wrap = map[tag] || map._default;
var depth = wrap[0];
var prefix = wrap[1];
var suffix = wrap[2];
var el = doc.createElement('div');
el.innerHTML = prefix + html + suffix;
while (depth--) el = el.lastChild;
// one element
if (el.firstChild == el.lastChild) {
return el.removeChild(el.firstChild);
}
// several elements
var fragment = doc.createDocumentFragment();
while (el.firstChild) {
fragment.appendChild(el.removeChild(el.firstChild));
}
return fragment;
}
},{}],3:[function(require,module,exports){
module.exports = leftpad;
function leftpad (str, len, ch) {
str = String(str);
var i = -1;
ch || (ch = ' ');
len = len - str.length;
while (++i < len) {
str = ch + str;
}
return str;
}
},{}],"counter":[function(require,module,exports){
/**
* Module dependencies.
*/
var domify = require('domify'),
digit = require('./digit.html'),
pad = require('left-pad');
/**
* Expose `Counter`.
*/
module.exports = Counter;
/**
* Initialize a new `Counter`.
*
* @api public
*/
function Counter(el, options) {
if (!(this instanceof Counter)) return new Counter(el, options);
options = options || {};
//container
this.el = el || domify('<div class="counter"></div>');
//save options
this.digitClass = options.digitClass;
//list of digit elements
this._digits = [];
//display value
this.n = 0;
//ensure two digits by default
this.digits(options.digits || 2);
}
/**
* Set the total number of digits to `n`.
*
* @param {Number} n
* @return {Counter}
* @api public
*/
Counter.prototype.digits = function(n){
this.total = n;
this.ensureDigits(n);
return this;
};
/**
* Add a digit element.
*
* @api private
*/
Counter.prototype.addDigit = function(){
var el = domify(digit);
if (this.digitClass) el.classList.add(this.digitClass);
this._digits.push(el);
this.el.appendChild(el);
};
/**
* Ensure at least `n` digits are available.
*
* @param {Number} n
* @api private
*/
Counter.prototype.ensureDigits = function(n){
while (this._digits.length < n) {
this.addDigit();
}
};
/**
* Update digit `i` with `val`.
*
* @param {Number} i
* @param {String} val
* @api private
*/
Counter.prototype.updateDigit = function(i, val){
var el = this._digits[i];
var n = parseInt(val, 10) + 1;
if (n > 9) n = 0;
el.textContent = val;
};
/**
* Update count to `n`.
*
* @param {Number} n
* @return {Counter}
* @api public
*/
Counter.prototype.update = function(n){
this.n = n;
var str = pad(n.toString(), this.total, '0');
this.ensureDigits(this.total);
for (var i = 0; i < this.total; ++i) {
this.updateDigit(this.total - i - 1, str[this.total - i - 1]);
}
return this;
};
},{"./digit.html":1,"domify":2,"left-pad":3}]},{},[])
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[1, 'X<div>', '</div>'] : [0, '', '']\n};\n\nmap.td =\nmap.th = [3, '<table><tbody><tr>', '</tr></tbody></table>'];\n\nmap.option =\nmap.optgroup = [1, '<select multiple=\"multiple\">', '</select>'];\n\nmap.thead =\nmap.tbody =\nmap.colgroup =\nmap.caption =\nmap.tfoot = [1, '<table>', '</table>'];\n\nmap.polyline =\nmap.ellipse =\nmap.polygon =\nmap.circle =\nmap.text =\nmap.line =\nmap.path =\nmap.rect =\nmap.g = [1, '<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\">','</svg>'];\n\n/**\n * Parse `html` and return a DOM Node instance, which could be a TextNode,\n * HTML DOM Node of some kind (<div> for example), or a DocumentFragment\n * instance, depending on the contents of the `html` string.\n *\n * @param {String} html - HTML string to \"domify\"\n * @param {Document} doc - The `document` instance to create the Node for\n * @return {DOMNode} the TextNode, DOM Node, or DocumentFragment instance\n * @api private\n */\n\nfunction parse(html, doc) {\n  if ('string' != typeof html) throw new TypeError('String expected');\n\n  // default to the global `document` object\n  if (!doc) doc = document;\n\n  // tag name\n  var m = /<([\\w:]+)/.exec(html);\n  if (!m) return doc.createTextNode(html);\n\n  html = html.replace(/^\\s+|\\s+$/g, ''); // Remove leading/trailing whitespace\n\n  var tag = m[1];\n\n  // body support\n  if (tag == 'body') {\n    var el = doc.createElement('html');\n    el.innerHTML = html;\n    return el.removeChild(el.lastChild);\n  }\n\n  // wrap map\n  var wrap = map[tag] || map._default;\n  var depth = wrap[0];\n  var prefix = wrap[1];\n  var suffix = wrap[2];\n  var el = doc.createElement('div');\n  el.innerHTML = prefix + html + suffix;\n  while (depth--) el = el.lastChild;\n\n  // one element\n  if (el.firstChild == el.lastChild) {\n    return el.removeChild(el.firstChild);\n  }\n\n  // several elements\n  var fragment = doc.createDocumentFragment();\n  while (el.firstChild) {\n    fragment.appendChild(el.removeChild(el.firstChild));\n  }\n\n  return fragment;\n}\n","module.exports = leftpad;\n\nfunction leftpad (str, len, ch) {\n  str = String(str);\n\n  var i = -1;\n\n  ch || (ch = ' ');\n  len = len - str.length;\n\n\n  while (++i < len) {\n    str = ch + str;\n  }\n\n  return str;\n}\n","/**\r\n * Module dependencies.\r\n */\r\n\r\nvar domify = require('domify'),\r\n  digit = require('./digit.html'),\r\n  pad = require('left-pad');\r\n\r\n/**\r\n * Expose `Counter`.\r\n */\r\n\r\nmodule.exports = Counter;\r\n\r\n\r\n/**\r\n * Initialize a new `Counter`.\r\n *\r\n * @api public\r\n */\r\n\r\nfunction Counter(el, options) {\r\n  if (!(this instanceof Counter)) return new Counter(el, options);\r\n\r\n  options = options || {};\r\n\r\n  //container\r\n  this.el = el || domify('<div class=\"counter\"></div>');\r\n\r\n  //save options\r\n  this.digitClass = options.digitClass;\r\n\r\n  //list of digit elements\r\n  this._digits = [];\r\n\r\n  //display value\r\n  this.n = 0;\r\n\r\n  //ensure two digits by default\r\n  this.digits(options.digits || 2);\r\n}\r\n\r\n\r\n/**\r\n * Set the total number of digits to `n`.\r\n *\r\n * @param {Number} n\r\n * @return {Counter}\r\n * @api public\r\n */\r\n\r\nCounter.prototype.digits = function(n){\r\n  this.total = n;\r\n  this.ensureDigits(n);\r\n  return this;\r\n};\r\n\r\n/**\r\n * Add a digit element.\r\n *\r\n * @api private\r\n */\r\n\r\nCounter.prototype.addDigit = function(){\r\n  var el = domify(digit);\r\n\r\n  if (this.digitClass) el.classList.add(this.digitClass);\r\n\r\n  this._digits.push(el);\r\n  this.el.appendChild(el);\r\n};\r\n\r\n/**\r\n * Ensure at least `n` digits are available.\r\n *\r\n * @param {Number} n\r\n * @api private\r\n */\r\n\r\nCounter.prototype.ensureDigits = function(n){\r\n  while (this._digits.length < n) {\r\n    this.addDigit();\r\n  }\r\n};\r\n\r\n/**\r\n * Update digit `i` with `val`.\r\n *\r\n * @param {Number} i\r\n * @param {String} val\r\n * @api private\r\n */\r\n\r\nCounter.prototype.updateDigit = function(i, val){\r\n  var el = this._digits[i];\r\n  var n = parseInt(val, 10) + 1;\r\n  if (n > 9) n = 0;\r\n\r\n  el.textContent = val;\r\n};\r\n\r\n/**\r\n * Update count to `n`.\r\n *\r\n * @param {Number} n\r\n * @return {Counter}\r\n * @api public\r\n */\r\n\r\nCounter.prototype.update = function(n){\r\n  this.n = n;\r\n  var str = pad(n.toString(), this.total, '0');\r\n\r\n  this.ensureDigits(this.total);\r\n  for (var i = 0; i < this.total; ++i) {\r\n    this.updateDigit(this.total - i - 1, str[this.total - i - 1]);\r\n  }\r\n\r\n  return this;\r\n};\r\n"]}