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chore(TypeScript): refactor objects into classes
fix: `Nil`(null, undefined) now renders as empty string change: `parser.parseValue()` renamed to `parser.parseOutput` change: registered tags/filters become static and shared across different liquid instances
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@@ -0,0 +1,186 @@
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import { padStart } from './underscore'
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const monthNames = [
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'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August',
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'September', 'October', 'November', 'December'
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]
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const dayNames = [
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'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'
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]
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const monthNamesShort = monthNames.map(abbr)
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const dayNamesShort = dayNames.map(abbr)
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const suffixes = {
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1: 'st',
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2: 'nd',
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3: 'rd',
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'default': 'th'
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}
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function abbr (str) {
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return str.slice(0, 3)
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}
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// prototype extensions
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const _date = {
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daysInMonth: function (d) {
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const feb = _date.isLeapYear(d) ? 29 : 28
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return [31, feb, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
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},
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getDayOfYear: function (d) {
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let num = 0
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for (let i = 0; i < d.getMonth(); ++i) {
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num += _date.daysInMonth(d)[i]
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}
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return num + d.getDate()
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},
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// Startday is an integer of which day to start the week measuring from
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// TODO: that comment was retarted. fix it.
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getWeekOfYear: function (d, startDay) {
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// Skip to startDay of this week
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const now = this.getDayOfYear(d) + (startDay - d.getDay())
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// Find the first startDay of the year
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const jan1 = new Date(d.getFullYear(), 0, 1)
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const then = (7 - jan1.getDay() + startDay)
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return padStart(String(Math.floor((now - then) / 7) + 1), 2, '0')
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},
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isLeapYear: function (d) {
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const year = d.getFullYear()
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return !!((year & 3) === 0 && (year % 100 || (year % 400 === 0 && year)))
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},
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getSuffix: function (d) {
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const str = d.getDate().toString()
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const index = parseInt(str.slice(-1))
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return suffixes[index] || suffixes['default']
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},
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century: function (d) {
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return parseInt(d.getFullYear().toString().substring(0, 2), 10)
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}
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}
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const formatCodes = {
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a: function (d) {
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return dayNamesShort[d.getDay()]
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},
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A: function (d) {
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return dayNames[d.getDay()]
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},
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b: function (d) {
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return monthNamesShort[d.getMonth()]
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},
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B: function (d) {
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return monthNames[d.getMonth()]
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},
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c: function (d) {
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return d.toLocaleString()
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},
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C: function (d) {
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return _date.century(d)
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},
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d: function (d) {
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return padStart(d.getDate(), 2, '0')
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},
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e: function (d) {
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return padStart(d.getDate(), 2)
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},
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H: function (d) {
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return padStart(d.getHours(), 2, '0')
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},
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I: function (d) {
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return padStart(String(d.getHours() % 12 || 12), 2, '0')
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},
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j: function (d) {
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return padStart(_date.getDayOfYear(d), 3, '0')
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},
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k: function (d) {
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return padStart(d.getHours(), 2)
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},
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l: function (d) {
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return padStart(String(d.getHours() % 12 || 12), 2)
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},
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L: function (d) {
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return padStart(d.getMilliseconds(), 3, '0')
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},
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m: function (d) {
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return padStart(d.getMonth() + 1, 2, '0')
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},
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M: function (d) {
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return padStart(d.getMinutes(), 2, '0')
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},
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p: function (d) {
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return (d.getHours() < 12 ? 'AM' : 'PM')
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},
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P: function (d) {
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return (d.getHours() < 12 ? 'am' : 'pm')
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},
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q: function (d) {
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return _date.getSuffix(d)
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},
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s: function (d) {
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return Math.round(d.valueOf() / 1000)
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},
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S: function (d) {
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return padStart(d.getSeconds(), 2, '0')
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},
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u: function (d) {
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return d.getDay() || 7
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},
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U: function (d) {
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return _date.getWeekOfYear(d, 0)
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},
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w: function (d) {
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return d.getDay()
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},
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W: function (d) {
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return _date.getWeekOfYear(d, 1)
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},
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x: function (d) {
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return d.toLocaleDateString()
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},
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X: function (d) {
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return d.toLocaleTimeString()
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},
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y: function (d) {
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return d.getFullYear().toString().substring(2, 4)
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},
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Y: function (d) {
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return d.getFullYear()
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},
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z: function (d) {
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const tz = d.getTimezoneOffset() / 60 * 100
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return (tz > 0 ? '-' : '+') + padStart(String(Math.abs(tz)), 4, '0')
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},
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'%': function () {
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return '%'
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}
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};
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(formatCodes as any).h = formatCodes.b;
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(formatCodes as any).N = formatCodes.L;
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export default function (d, format) {
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let output = ''
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let remaining = format
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while (true) {
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const r = /%./g
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const results = r.exec(remaining)
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// No more format codes. Add the remaining text and return
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if (!results) {
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return output + remaining
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}
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// Add the preceding text
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output += remaining.slice(0, r.lastIndex - 2)
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remaining = remaining.slice(r.lastIndex)
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// Add the format code
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const ch = results[0].charAt(1)
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const func = formatCodes[ch]
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output += func ? func.call(this, d) : '%' + ch
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}
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}
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