ionic-angular
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A powerful framework for building mobile and progressive web apps with JavaScript and Angular
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JavaScript
import { isBlank, isPresent, isString } from './util';
export function renderDateTime(template, value, locale) {
if (isBlank(value)) {
return '';
}
let tokens = [];
let hasText = false;
FORMAT_KEYS.forEach((format, index) => {
if (template.indexOf(format.f) > -1) {
const token = '{' + index + '}';
const text = renderTextFormat(format.f, value[format.k], value, locale);
if (!hasText && text && isPresent(value[format.k])) {
hasText = true;
}
tokens.push(token, text);
template = template.replace(format.f, token);
}
});
if (!hasText) {
return '';
}
for (let i = 0; i < tokens.length; i += 2) {
template = template.replace(tokens[i], tokens[i + 1]);
}
return template;
}
export function renderTextFormat(format, value, date, locale) {
if (format === FORMAT_DDDD || format === FORMAT_DDD) {
try {
value = (new Date(date.year, date.month - 1, date.day)).getDay();
if (format === FORMAT_DDDD) {
return (isPresent(locale.dayNames) ? locale.dayNames : DAY_NAMES)[value];
}
return (isPresent(locale.dayShortNames) ? locale.dayShortNames : DAY_SHORT_NAMES)[value];
}
catch (e) { }
return '';
}
if (format === FORMAT_A) {
return date ? date.hour < 12 ? 'AM' : 'PM' : isPresent(value) ? value.toUpperCase() : '';
}
if (format === FORMAT_a) {
return date ? date.hour < 12 ? 'am' : 'pm' : isPresent(value) ? value : '';
}
if (isBlank(value)) {
return '';
}
if (format === FORMAT_YY || format === FORMAT_MM ||
format === FORMAT_DD || format === FORMAT_HH ||
format === FORMAT_mm || format === FORMAT_ss) {
return twoDigit(value);
}
if (format === FORMAT_YYYY) {
return fourDigit(value);
}
if (format === FORMAT_MMMM) {
return (isPresent(locale.monthNames) ? locale.monthNames : MONTH_NAMES)[value - 1];
}
if (format === FORMAT_MMM) {
return (isPresent(locale.monthShortNames) ? locale.monthShortNames : MONTH_SHORT_NAMES)[value - 1];
}
if (format === FORMAT_hh || format === FORMAT_h) {
if (value === 0) {
return '12';
}
if (value > 12) {
value -= 12;
}
if (format === FORMAT_hh && value < 10) {
return ('0' + value);
}
}
return value.toString();
}
export function dateValueRange(format, min, max) {
let opts = [];
let i;
if (format === FORMAT_YYYY || format === FORMAT_YY) {
// year
i = max.year;
while (i >= min.year) {
opts.push(i--);
}
}
else if (format === FORMAT_MMMM || format === FORMAT_MMM ||
format === FORMAT_MM || format === FORMAT_M ||
format === FORMAT_hh || format === FORMAT_h) {
// month or 12-hour
for (i = 1; i < 13; i++) {
opts.push(i);
}
}
else if (format === FORMAT_DDDD || format === FORMAT_DDD ||
format === FORMAT_DD || format === FORMAT_D) {
// day
for (i = 1; i < 32; i++) {
opts.push(i);
}
}
else if (format === FORMAT_HH || format === FORMAT_H) {
// 24-hour
for (i = 0; i < 24; i++) {
opts.push(i);
}
}
else if (format === FORMAT_mm || format === FORMAT_m) {
// minutes
for (i = 0; i < 60; i++) {
opts.push(i);
}
}
else if (format === FORMAT_ss || format === FORMAT_s) {
// seconds
for (i = 0; i < 60; i++) {
opts.push(i);
}
}
else if (format === FORMAT_A || format === FORMAT_a) {
// AM/PM
opts.push('am', 'pm');
}
return opts;
}
export function dateSortValue(year, month, day, hour = 0, minute = 0) {
return parseInt(`1${fourDigit(year)}${twoDigit(month)}${twoDigit(day)}${twoDigit(hour)}${twoDigit(minute)}`, 10);
}
export function dateDataSortValue(data) {
if (data) {
return dateSortValue(data.year, data.month, data.day, data.hour, data.minute);
}
return -1;
}
export function daysInMonth(month, year) {
return (month === 4 || month === 6 || month === 9 || month === 11) ? 30 : (month === 2) ? isLeapYear(year) ? 29 : 28 : 31;
}
export function isLeapYear(year) {
return (year % 4 === 0 && year % 100 !== 0) || (year % 400 === 0);
}
const ISO_8601_REGEXP = /^(\d{4}|[+\-]\d{6})(?:-(\d{2})(?:-(\d{2}))?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/;
const TIME_REGEXP = /^((\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/;
export function parseDate(val) {
// manually parse IS0 cuz Date.parse cannot be trusted
// ISO 8601 format: 1994-12-15T13:47:20Z
let parse;
if (isPresent(val) && val !== '') {
// try parsing for just time first, HH:MM
parse = TIME_REGEXP.exec(val);
if (isPresent(parse)) {
// adjust the array so it fits nicely with the datetime parse
parse.unshift(undefined, undefined);
parse[2] = parse[3] = undefined;
}
else {
// try parsing for full ISO datetime
parse = ISO_8601_REGEXP.exec(val);
}
}
if (isBlank(parse)) {
// wasn't able to parse the ISO datetime
return null;
}
// ensure all the parse values exist with at least 0
for (let i = 1; i < 8; i++) {
parse[i] = (parse[i] !== undefined ? parseInt(parse[i], 10) : null);
}
let tzOffset = 0;
if (isPresent(parse[9]) && isPresent(parse[10])) {
// hours
tzOffset = parseInt(parse[10], 10) * 60;
if (isPresent(parse[11])) {
// minutes
tzOffset += parseInt(parse[11], 10);
}
if (parse[9] === '-') {
// + or -
tzOffset *= -1;
}
}
return {
year: parse[1],
month: parse[2],
day: parse[3],
hour: parse[4],
minute: parse[5],
second: parse[6],
millisecond: parse[7],
tzOffset: tzOffset,
};
}
export function compareDates(d1, d2) {
const date1 = new Date(d1.year, d1.month, d1.day, d1.hour, d1.minute, d1.second);
const date2 = new Date(d2.year, d2.month, d2.day, d2.hour, d2.minute, d2.second);
return date1.getTime() - date2.getTime();
}
export function updateDate(existingData, newData) {
if (isPresent(newData) && newData !== '') {
if (isString(newData)) {
// new date is a string, and hopefully in the ISO format
// convert it to our DateTimeData if a valid ISO
newData = parseDate(newData);
if (newData) {
// successfully parsed the ISO string to our DateTimeData
Object.assign(existingData, newData);
return true;
}
}
else if ((isPresent(newData.year) || isPresent(newData.hour) || isPresent(newData.month) || isPresent(newData.day) || isPresent(newData.minute) || isPresent(newData.second))) {
// newData is from of a datetime picker's selected values
// update the existing DateTimeData data with the new values
// do some magic for 12-hour values
if (isPresent(newData.ampm) && isPresent(newData.hour)) {
if (newData.ampm.value === 'pm') {
newData.hour.value = (newData.hour.value === 12 ? 12 : newData.hour.value + 12);
}
else {
newData.hour.value = (newData.hour.value === 12 ? 0 : newData.hour.value);
}
}
// merge new values from the picker's selection
// to the existing DateTimeData values
for (const k in newData) {
existingData[k] = newData[k].value;
}
return true;
}
// eww, invalid data
console.warn(`Error parsing date: "${newData}". Please provide a valid ISO 8601 datetime format: https://www.w3.org/TR/NOTE-datetime`);
}
else {
// blank data, clear everything out
for (const k in existingData) {
delete existingData[k];
}
}
return false;
}
export function parseTemplate(template) {
const formats = [];
template = template.replace(/[^\w\s]/gi, ' ');
FORMAT_KEYS.forEach(format => {
if (format.f.length > 1 && template.indexOf(format.f) > -1 && template.indexOf(format.f + format.f.charAt(0)) < 0) {
template = template.replace(format.f, ' ' + format.f + ' ');
}
});
const words = template.split(' ').filter(w => w.length > 0);
words.forEach((word, i) => {
FORMAT_KEYS.forEach(format => {
if (word === format.f) {
if (word === FORMAT_A || word === FORMAT_a) {
// this format is an am/pm format, so it's an "a" or "A"
if ((formats.indexOf(FORMAT_h) < 0 && formats.indexOf(FORMAT_hh) < 0) ||
VALID_AMPM_PREFIX.indexOf(words[i - 1]) === -1) {
// template does not already have a 12-hour format
// or this am/pm format doesn't have a hour, minute, or second format immediately before it
// so do not treat this word "a" or "A" as the am/pm format
return;
}
}
formats.push(word);
}
});
});
return formats;
}
export function getValueFromFormat(date, format) {
if (format === FORMAT_A || format === FORMAT_a) {
return (date.hour < 12 ? 'am' : 'pm');
}
if (format === FORMAT_hh || format === FORMAT_h) {
return (date.hour > 12 ? date.hour - 12 : date.hour);
}
return date[convertFormatToKey(format)];
}
export function convertFormatToKey(format) {
for (const k in FORMAT_KEYS) {
if (FORMAT_KEYS[k].f === format) {
return FORMAT_KEYS[k].k;
}
}
return null;
}
export function convertDataToISO(data) {
// https://www.w3.org/TR/NOTE-datetime
let rtn = '';
if (isPresent(data)) {
if (isPresent(data.year)) {
// YYYY
rtn = fourDigit(data.year);
if (isPresent(data.month)) {
// YYYY-MM
rtn += '-' + twoDigit(data.month);
if (isPresent(data.day)) {
// YYYY-MM-DD
rtn += '-' + twoDigit(data.day);
if (isPresent(data.hour)) {
// YYYY-MM-DDTHH:mm:SS
rtn += `T${twoDigit(data.hour)}:${twoDigit(data.minute)}:${twoDigit(data.second)}`;
if (data.millisecond > 0) {
// YYYY-MM-DDTHH:mm:SS.SSS
rtn += '.' + threeDigit(data.millisecond);
}
if (isBlank(data.tzOffset) || data.tzOffset === 0) {
// YYYY-MM-DDTHH:mm:SSZ
rtn += 'Z';
}
else {
// YYYY-MM-DDTHH:mm:SS+/-HH:mm
rtn += (data.tzOffset > 0 ? '+' : '-') + twoDigit(Math.floor(data.tzOffset / 60)) + ':' + twoDigit(data.tzOffset % 60);
}
}
}
}
}
else if (isPresent(data.hour)) {
// HH:mm
rtn = twoDigit(data.hour) + ':' + twoDigit(data.minute);
if (isPresent(data.second)) {
// HH:mm:SS
rtn += ':' + twoDigit(data.second);
if (isPresent(data.millisecond)) {
// HH:mm:SS.SSS
rtn += '.' + threeDigit(data.millisecond);
}
}
}
}
return rtn;
}
function twoDigit(val) {
return ('0' + (isPresent(val) ? Math.abs(val) : '0')).slice(-2);
}
function threeDigit(val) {
return ('00' + (isPresent(val) ? Math.abs(val) : '0')).slice(-3);
}
function fourDigit(val) {
return ('000' + (isPresent(val) ? Math.abs(val) : '0')).slice(-4);
}
const FORMAT_YYYY = 'YYYY';
const FORMAT_YY = 'YY';
const FORMAT_MMMM = 'MMMM';
const FORMAT_MMM = 'MMM';
const FORMAT_MM = 'MM';
const FORMAT_M = 'M';
const FORMAT_DDDD = 'DDDD';
const FORMAT_DDD = 'DDD';
const FORMAT_DD = 'DD';
const FORMAT_D = 'D';
const FORMAT_HH = 'HH';
const FORMAT_H = 'H';
const FORMAT_hh = 'hh';
const FORMAT_h = 'h';
const FORMAT_mm = 'mm';
const FORMAT_m = 'm';
const FORMAT_ss = 'ss';
const FORMAT_s = 's';
const FORMAT_A = 'A';
const FORMAT_a = 'a';
const FORMAT_KEYS = [
{ f: FORMAT_YYYY, k: 'year' },
{ f: FORMAT_MMMM, k: 'month' },
{ f: FORMAT_DDDD, k: 'day' },
{ f: FORMAT_MMM, k: 'month' },
{ f: FORMAT_DDD, k: 'day' },
{ f: FORMAT_YY, k: 'year' },
{ f: FORMAT_MM, k: 'month' },
{ f: FORMAT_DD, k: 'day' },
{ f: FORMAT_HH, k: 'hour' },
{ f: FORMAT_hh, k: 'hour' },
{ f: FORMAT_mm, k: 'minute' },
{ f: FORMAT_ss, k: 'second' },
{ f: FORMAT_M, k: 'month' },
{ f: FORMAT_D, k: 'day' },
{ f: FORMAT_H, k: 'hour' },
{ f: FORMAT_h, k: 'hour' },
{ f: FORMAT_m, k: 'minute' },
{ f: FORMAT_s, k: 'second' },
{ f: FORMAT_A, k: 'ampm' },
{ f: FORMAT_a, k: 'ampm' },
];
const DAY_NAMES = [
'Sunday',
'Monday',
'Tuesday',
'Wednesday',
'Thursday',
'Friday',
'Saturday',
];
const DAY_SHORT_NAMES = [
'Sun',
'Mon',
'Tue',
'Wed',
'Thu',
'Fri',
'Sat',
];
const MONTH_NAMES = [
'January',
'February',
'March',
'April',
'May',
'June',
'July',
'August',
'September',
'October',
'November',
'December',
];
const MONTH_SHORT_NAMES = [
'Jan',
'Feb',
'Mar',
'Apr',
'May',
'Jun',
'Jul',
'Aug',
'Sep',
'Oct',
'Nov',
'Dec',
];
const VALID_AMPM_PREFIX = [
FORMAT_hh, FORMAT_h, FORMAT_mm, FORMAT_m, FORMAT_ss, FORMAT_s
];
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