103 lines
2.6 KiB
JavaScript
103 lines
2.6 KiB
JavaScript
!function(window){
|
|
|
|
"use strict";
|
|
|
|
window.Timestring = function(settings) {
|
|
// default settings
|
|
var defaults = {
|
|
hoursPerDay: 24,
|
|
daysPerWeek: 7,
|
|
weeksPerMonth: 4,
|
|
monthsPerYear: 12
|
|
};
|
|
|
|
// merge default settings with user settings
|
|
var settings = settings || {};
|
|
this.settings = {};
|
|
for (var property in defaults) { this.settings[property] = defaults[property]; }
|
|
for (var property in settings) { this.settings[property] = settings[property]; }
|
|
|
|
// time units
|
|
this.units = {
|
|
s: ['s', 'sec', 'secs', 'second', 'seconds'],
|
|
m: ['m', 'min', 'mins', 'minute', 'minutes'],
|
|
h: ['h', 'hr', 'hrs', 'hour', 'hours'],
|
|
d: ['d', 'day', 'days'],
|
|
w: ['w', 'week', 'weeks'],
|
|
mth: ['mth', 'mths','month', 'months'],
|
|
y: ['y', 'yr', 'yrs', 'year', 'years']
|
|
};
|
|
|
|
// time unit seconds mappings
|
|
this.unitValues = {
|
|
s: 1,
|
|
m: 60,
|
|
h: 3600
|
|
};
|
|
|
|
// dynamic time unit seconds mappings
|
|
// these are dynamic based on the settings
|
|
this.unitValues.d = this.settings.hoursPerDay * this.unitValues.h;
|
|
this.unitValues.w = this.settings.daysPerWeek * this.unitValues.d;
|
|
this.unitValues.mth = this.settings.weeksPerMonth * this.unitValues.w;
|
|
this.unitValues.y = this.settings.monthsPerYear * this.unitValues.w;
|
|
};
|
|
|
|
Timestring.prototype.parse = function(string, returnUnit) {
|
|
// reference to this
|
|
var self = this;
|
|
|
|
// convert a value to a specific unit
|
|
function convert(value, unit) {
|
|
var baseValue = self.unitValues[unit];
|
|
return value / baseValue;
|
|
}
|
|
|
|
// get a value in seconds based on a specific unit
|
|
function getSeconds(value, unit) {
|
|
var baseValue = self.unitValues[unit];
|
|
return value * baseValue;
|
|
}
|
|
|
|
// seconds counter
|
|
var totalSeconds = 0;
|
|
|
|
// dynamically generate units regular expression
|
|
var unitsRegExp = '';
|
|
|
|
for(var unit in this.units) {
|
|
unitsRegExp += ',' + this.units[unit].join();
|
|
}
|
|
|
|
unitsRegExp = '(' +
|
|
unitsRegExp
|
|
.replace(/,/g, '|')
|
|
.replace('|', '')
|
|
+ ')';
|
|
|
|
// split string into groups and get total seconds for each group
|
|
var groups = string
|
|
.replace(/[^\w+-]+/g, '') // remove white space
|
|
.match(/[-+]?[0-9]*\.?[0-9]+\D/g);
|
|
|
|
if (groups !== null) {
|
|
for(var group in groups) {
|
|
var g = groups[group],
|
|
value = g.match(/[-+]?[0-9]*\.?[0-9]+/g),
|
|
unit = g.match(new RegExp(unitsRegExp, 'g'));
|
|
|
|
totalSeconds += getSeconds(value, unit);
|
|
}
|
|
}
|
|
|
|
// return total, convert if needed
|
|
return (returnUnit) ? convert(totalSeconds, returnUnit) : totalSeconds;
|
|
}
|
|
|
|
// add convenience method to string proto
|
|
String.prototype.parseTime = function (unit, settings) {
|
|
return (new Timestring(settings)).parse(this, unit);
|
|
}
|
|
|
|
}(window);
|