angular6-json-schema-form
Version:
Angular JSON Schema Form builder
122 lines • 17.2 kB
JavaScript
/**
* 'dateToString' function
*
* // { Date | string } date
* // options
* // { string }
*/
export function dateToString(date, options = {}) {
const dateFormat = options.dateFormat || 'YYYY-MM-DD';
// TODO: Use options.locale to change default format and names
// const locale = options.locale || 'en-US';
if (typeof date === 'string') {
date = stringToDate(date);
}
if (Object.prototype.toString.call(date) !== '[object Date]') {
return null;
}
const longMonths = ['January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December'];
const shortMonths = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
const longDays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
const shortDays = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
return dateFormat
.replace(/YYYY/ig, date.getFullYear() + '')
.replace(/YY/ig, (date.getFullYear() + '').slice(-2))
.replace(/MMMM/ig, longMonths[date.getMonth()])
.replace(/MMM/ig, shortMonths[date.getMonth()])
.replace(/MM/ig, ('0' + (date.getMonth() + 1)).slice(-2))
.replace(/M/ig, (date.getMonth() + 1) + '')
.replace(/DDDD/ig, longDays[date.getDay()])
.replace(/DDD/ig, shortDays[date.getDay()])
.replace(/DD/ig, ('0' + date.getDate()).slice(-2))
.replace(/D/ig, date.getDate() + '')
.replace(/S/ig, ordinal(date.getDate()));
}
export function ordinal(number) {
if (typeof number === 'number') {
number = number + '';
}
const last = number.slice(-1);
const nextToLast = number.slice(-2, 1);
return (nextToLast !== '1' && { '1': 'st', '2': 'nd', '3': 'rd' }[last]) || 'th';
}
/**
* 'stringToDate' function
*
* // { string } dateString
* // { Date }
*/
export function stringToDate(dateString) {
const getDate = findDate(dateString);
if (!getDate) {
return null;
}
let dateParts = [];
// Split x-y-z to [x, y, z]
if (/^\d+[^\d]\d+[^\d]\d+$/.test(getDate)) {
dateParts = getDate.split(/[^\d]/).map(part => +part);
// Split xxxxyyzz to [xxxx, yy, zz]
}
else if (/^\d{8}$/.test(getDate)) {
dateParts = [+getDate.slice(0, 4), +getDate.slice(4, 6), +getDate.slice(6)];
}
const thisYear = +(new Date().getFullYear() + '').slice(-2);
// Check for [YYYY, MM, DD]
if (dateParts[0] > 1000 && dateParts[0] < 2100 && dateParts[1] <= 12 && dateParts[2] <= 31) {
return new Date(dateParts[0], dateParts[1] - 1, dateParts[2]);
// Check for [MM, DD, YYYY]
}
else if (dateParts[0] <= 12 && dateParts[1] <= 31 && dateParts[2] > 1000 && dateParts[2] < 2100) {
return new Date(dateParts[2], dateParts[0] - 1, dateParts[1]);
// Check for [MM, DD, YY]
}
else if (dateParts[0] <= 12 && dateParts[1] <= 31 && dateParts[2] < 100) {
const year = (dateParts[2] <= thisYear ? 2000 : 1900) + dateParts[2];
return new Date(year, dateParts[0] - 1, dateParts[1]);
// Check for [YY, MM, DD]
}
else if (dateParts[0] < 100 && dateParts[1] <= 12 && dateParts[2] <= 31) {
const year = (dateParts[0] <= thisYear ? 2000 : 1900) + dateParts[0];
return new Date(year, dateParts[1] - 1, dateParts[2]);
}
return null;
}
/**
* 'findDate' function
*
* // { string } text
* // { string }
*/
export function findDate(text) {
if (!text) {
return null;
}
let foundDate;
// Match ...YYYY-MM-DD...
foundDate = text.match(/(?:19|20)\d\d[-_\\\/\. ](?:0?\d|1[012])[-_\\\/\. ](?:[012]?\d|3[01])(?!\d)/);
if (foundDate) {
return foundDate[0];
}
// Match ...MM-DD-YYYY...
foundDate = text.match(/(?:[012]?\d|3[01])[-_\\\/\. ](?:0?\d|1[012])[-_\\\/\. ](?:19|20)\d\d(?!\d)/);
if (foundDate) {
return foundDate[0];
}
// Match MM-DD-YY...
foundDate = text.match(/^(?:[012]?\d|3[01])[-_\\\/\. ](?:0?\d|1[012])[-_\\\/\. ]\d\d(?!\d)/);
if (foundDate) {
return foundDate[0];
}
// Match YY-MM-DD...
foundDate = text.match(/^\d\d[-_\\\/\. ](?:[012]?\d|3[01])[-_\\\/\. ](?:0?\d|1[012])(?!\d)/);
if (foundDate) {
return foundDate[0];
}
// Match YYYYMMDD...
foundDate = text.match(/^(?:19|20)\d\d(?:0\d|1[012])(?:[012]\d|3[01])/);
if (foundDate) {
return foundDate[0];
}
}
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* 'dateToString' function\n *\n * //  { Date | string } date\n * //   options\n * // { string }\n */\nexport function dateToString(date, options: any = {}) {\n  const dateFormat = options.dateFormat || 'YYYY-MM-DD';\n  // TODO: Use options.locale to change default format and names\n  // const locale = options.locale || 'en-US';\n  if (typeof date === 'string') { date = stringToDate(date); }\n  if (Object.prototype.toString.call(date) !== '[object Date]') { return null; }\n  const longMonths = ['January', 'February', 'March', 'April', 'May', 'June',\n    'July', 'August', 'September', 'October', 'November', 'December'];\n  const shortMonths = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];\n  const longDays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];\n  const shortDays = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];\n  return dateFormat\n    .replace(/YYYY/ig, date.getFullYear() + '')\n    .replace(/YY/ig, (date.getFullYear() + '').slice(-2))\n    .replace(/MMMM/ig, longMonths[date.getMonth()])\n    .replace(/MMM/ig, shortMonths[date.getMonth()])\n    .replace(/MM/ig, ('0' + (date.getMonth() + 1)).slice(-2))\n    .replace(/M/ig, (date.getMonth() + 1) + '')\n    .replace(/DDDD/ig, longDays[date.getDay()])\n    .replace(/DDD/ig, shortDays[date.getDay()])\n    .replace(/DD/ig, ('0' + date.getDate()).slice(-2))\n    .replace(/D/ig, date.getDate() + '')\n    .replace(/S/ig, ordinal(date.getDate()));\n}\n\nexport function ordinal(number: number|string): string {\n  if (typeof number === 'number') { number = number + ''; }\n  const last = number.slice(-1);\n  const nextToLast = number.slice(-2, 1);\n  return (nextToLast !== '1' && { '1': 'st', '2': 'nd', '3': 'rd' }[last]) || 'th';\n}\n\n/**\n * 'stringToDate' function\n *\n * //  { string } dateString\n * // { Date }\n */\nexport function stringToDate(dateString) {\n  const getDate: string = findDate(dateString);\n  if (!getDate) { return null; }\n  let dateParts: number[] = [];\n  // Split x-y-z to [x, y, z]\n  if (/^\\d+[^\\d]\\d+[^\\d]\\d+$/.test(getDate)) {\n    dateParts = getDate.split(/[^\\d]/).map(part => +part);\n  // Split xxxxyyzz to [xxxx, yy, zz]\n  } else if (/^\\d{8}$/.test(getDate)) {\n    dateParts = [+getDate.slice(0, 4), +getDate.slice(4, 6), +getDate.slice(6)];\n  }\n  const thisYear = +(new Date().getFullYear() + '').slice(-2);\n  // Check for [YYYY, MM, DD]\n  if (dateParts[0] > 1000 && dateParts[0] < 2100 && dateParts[1] <= 12 && dateParts[2] <= 31) {\n    return new Date(dateParts[0], dateParts[1] - 1, dateParts[2]);    \n  // Check for [MM, DD, YYYY]\n  } else if (dateParts[0] <= 12 && dateParts[1] <= 31 && dateParts[2] > 1000 && dateParts[2] < 2100) {\n    return new Date(dateParts[2], dateParts[0] - 1, dateParts[1]);    \n  // Check for [MM, DD, YY]\n  } else if (dateParts[0] <= 12 && dateParts[1] <= 31 && dateParts[2] < 100) {\n    const year = (dateParts[2] <= thisYear ? 2000 : 1900) + dateParts[2];\n    return new Date(year, dateParts[0] - 1, dateParts[1]);    \n  // Check for [YY, MM, DD]\n  } else if (dateParts[0] < 100 && dateParts[1] <= 12 && dateParts[2] <= 31) {\n    const year = (dateParts[0] <= thisYear ? 2000 : 1900) + dateParts[0];\n    return new Date(year, dateParts[1] - 1, dateParts[2]);    \n  }\n  return null;\n}\n\n/**\n * 'findDate' function\n *\n * //  { string } text\n * // { string }\n */\nexport function findDate(text) {\n  if (!text) { return null; }\n  let foundDate: any[];\n  // Match ...YYYY-MM-DD...\n  foundDate = text.match(/(?:19|20)\\d\\d[-_\\\\\\/\\. ](?:0?\\d|1[012])[-_\\\\\\/\\. ](?:[012]?\\d|3[01])(?!\\d)/);\n  if (foundDate) { return foundDate[0]; }\n  // Match ...MM-DD-YYYY...\n  foundDate = text.match(/(?:[012]?\\d|3[01])[-_\\\\\\/\\. ](?:0?\\d|1[012])[-_\\\\\\/\\. ](?:19|20)\\d\\d(?!\\d)/);\n  if (foundDate) { return foundDate[0]; }\n  // Match MM-DD-YY...\n  foundDate = text.match(/^(?:[012]?\\d|3[01])[-_\\\\\\/\\. ](?:0?\\d|1[012])[-_\\\\\\/\\. ]\\d\\d(?!\\d)/);\n  if (foundDate) { return foundDate[0]; }\n  // Match YY-MM-DD...\n  foundDate = text.match(/^\\d\\d[-_\\\\\\/\\. ](?:[012]?\\d|3[01])[-_\\\\\\/\\. ](?:0?\\d|1[012])(?!\\d)/);\n  if (foundDate) { return foundDate[0]; }\n  // Match YYYYMMDD...\n  foundDate = text.match(/^(?:19|20)\\d\\d(?:0\\d|1[012])(?:[012]\\d|3[01])/);\n  if (foundDate) { return foundDate[0]; }\n}\n"]}