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format.js
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format.js
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let moment = require('moment');
let sanitizeHtml = require('sanitize-html');
let Entities = require('html-entities').AllHtmlEntities;
let isUrl = require('is-url');
let entities = new Entities();
let camelCase = require('camelcase');
let _ = require('lodash');
let Humanize = require('humanize-plus');
let url = require('url');
let slug = require('slug');
let URLSearchParams = require('url').URLSearchParams;
let linkTools = require('./links/links');
let defaultLanguage = require('../../config/config').defaultLocale;
let localeConfig = require('../../config/locales');
let defaultAllowedTags = [
'h3',
'h4',
'h5',
'h6',
'blockquote',
'p',
'a',
'ul',
'ol',
'nl',
'li',
'b',
'i',
'strong',
'em',
'strike',
'code',
'hr',
'br',
'div',
'table',
'thead',
'caption',
'tbody',
'tr',
'th',
'td',
'pre'
];
// GBIF/UN date style
moment.updateLocale('en', {
longDateFormat: {
LT: 'k:mm',
LTS: 'k:mm:ss',
l: 'D-MMM-YYYY',
L: 'DD-MMM-YYYY',
ll: 'D MMMM YYYY',
LL: 'D MMMM YYYY',
lll: 'LT D MMMM YYYY',
LLL: 'LT D MMMM YYYY',
llll: 'LT, ddd D MMM YYYY',
LLLL: 'LT, dddd Do MMMM YYYY'
}
});
let dateFormats = ['YYYY-MM', 'YYYY-MM-DD k:mm:ss', 'ddd, DD MMM YYYY HH:mm:ss ZZ', 'ddd, DD MMM YY HH:mm:ss ZZ'];
function date(date, locale, format) {
let day;
locale = localeConfig.localeMappings.moment[locale] || defaultLanguage;
format = _.isUndefined(format) ? 'LL' : format; // localized format http://momentjs.com/docs/#/displaying/format/
if (!isNaN(Number(date))) {
day = moment.unix(date).locale(locale);
} else {
day = moment(date, dateFormats).locale(locale);
}
return day.format(format);
}
function getSlug(str) {
return slug(str.toLowerCase());
}
function dateRange(start, end, showHours, locale) {
let startDate;
let endDate;
locale = localeConfig.localeMappings.moment[locale] || defaultLanguage;
// parse start date
if (!isNaN(Number(start))) {
startDate = moment.unix(start).locale(locale);
} else {
startDate = moment(start, dateFormats).locale(locale);
}
// parse end date
if (!isNaN(Number(end))) {
endDate = moment.unix(end).locale(locale);
} else {
endDate = moment(end, dateFormats).locale(locale);
}
// always if all day event, then ignore time a day
if (start === end || !end) {
// if same date and time or no enddate then show just start date
if (showHours) return startDate.format('D MMMM YYYY HH:mm');
return startDate.format('D MMMM YYYY');
} else if (showHours && startDate.format('D MMMM YYYY') === endDate.format('D MMMM YYYY')) {
// if not an all day event, then show full date and time in interval
// 15 may 2017 13:00 - 17 may 2017 20:00
return startDate.format('D MMMM YYYY') + ' ' + startDate.format('HH:mm') + ' - ' + endDate.format('HH:mm');
} else if (showHours) {
// 10 april 13:30 - 15:50
return startDate.format('D MMMM YYYY HH:mm') + ' - ' + endDate.format('D MMMM YYYY HH:mm');
} else if (startDate.year() !== endDate.year()) {
// 29 december 2017 - 1 january 2018
return startDate.format('D MMM YYYY') + ' - ' + endDate.format('D MMM YYYY');
} else if (startDate.month() !== endDate.month()) {
// 29 juni - 2 july 2017
return startDate.format('D MMM') + ' - ' + endDate.format('D MMM YYYY');
} else if (startDate.day() !== endDate.day()) {
// 17-19 may 2016
return startDate.format('D') + ' - ' + endDate.format('D MMMM YYYY');
} else {
return startDate.format('D MMMM YYYY');
}
}
function timeRange(start, end, locale) {
let startDate;
let endDate;
locale = localeConfig.localeMappings.moment[locale] || defaultLanguage;
// parse start date
if (!isNaN(Number(start))) {
startDate = moment.unix(start).locale(locale);
} else {
startDate = moment(start, dateFormats).locale(locale);
}
// parse end date
if (!isNaN(Number(end))) {
endDate = moment.unix(end).locale(locale);
} else {
endDate = moment(end, dateFormats).locale(locale);
}
// always if all day event, then ignore time a day
if (start === end || !end) {
// if same date and time or no enddate then show just start date
return startDate.format('HH:mm');
} else {
return startDate.format('HH:mm') + ' - ' + endDate.format('HH:mm');
}
}
function toCamelCase(text) {
if (!_.isString(text)) {
return '';
}
return camelCase(text);
}
function prettifyEnum(text) {
if (typeof text === 'undefined' || text === null) {
return '';
}
text = text.substr(text.lastIndexOf('/') + 1);
return text.replace(/([A-Z][a-z])/g, ' $1').trim().replace(/_/g, ' ').toLowerCase();
}
function decodeHtml(text) {
if (!_.isString(text)) {
return '';
}
return entities.decode(text);
}
function encodeHtml(text) {
if (!_.isString(text)) {
return '';
}
return entities.encode(text);
}
function prettifyLicense(text) {
if (!text) {
return 'UNSPECIFIED';
}
let licenses = {
'creativecommons.org/publicdomain/zero/1.0/legalcode': 'CC0_1_0',
'creativecommons.org/licenses/by/4.0/legalcode': 'CC_BY_4_0',
'creativecommons.org/licenses/by-nc/4.0/legalcode': 'CC_BY_NC_4_0'
};
let license = licenses[text.replace(/.*?:\/\//, '')];
if (!license) {
license = 'UNSUPPORTED';
}
return license;
}
/**
* @param {number} bytes - A positive number of bytes
* @param {number} decimals - How many decimals to show
* @param {string} language - the two letter isocode
* @return {string}
* @see http://stackoverflow.com/questions/15900485/correct-way-to-convert-size-in-bytes-to-kb-mb-gb-in-javascript
*/
function formatBytes(bytes, decimals, language) {
language = language ? language.substr(0, 2) : 'en';
if (bytes === 0) return '0 Bytes';
if (bytes === 1) return '1 Byte';
let k = 1000;
let dm = decimals || 0;
let sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
let i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)).toLocaleString(language) + ' ' + sizes[i];
}
function compactInteger(nr) {
return Humanize.compactInteger(nr, 0);
}
function prefixLinkUrl(str, urlPrefix) {
if (_.isString(str)) {
str = str.replace(/^http(s)?:\/\/www\.gbif((-dev)|(-uat))?\.org/, '');
}
if (!isUrl(str) && _.startsWith(str, '/')) {
str = urlPrefix + '/' + str.replace(/^\//, '');
}
return str;
}
function localizeLinks(dirty, urlPrefix) {
urlPrefix = urlPrefix || '';
dirty = dirty || '';
return sanitizeHtml(dirty, {
allowedTags: false,
allowedAttributes: false,
transformTags: {
'a': function(tagName, attr) {
attr.href = prefixLinkUrl(attr.href, urlPrefix);
return {
tagName: 'a',
attribs: attr
};
}
}
}
);
}
function localizeLink(url, urlPrefix) {
url = _.isString(url) ? url : '';
urlPrefix = urlPrefix || '';
url = prefixLinkUrl(url, urlPrefix);
return url;
}
function sanitizeTrusted(dirty, urlPrefix) {
dirty = dirty || '';
urlPrefix = urlPrefix || '';
let allowedTags = ['img', 'h2', 'iframe', 'span'];
let clean;
clean = sanitizeHtml(dirty, {
allowedTags: defaultAllowedTags.concat(allowedTags),
allowedAttributes: {
'*': ['id', 'href', 'name', 'target', 'src', 'class', 'style', 'frameborder', 'width', 'height', 'allowfullscreen', 'gb-help', 'gb-help-options']
},
transformTags: {
'a': function(tagName, attr) {
if (attr.href) {
attr.href = prefixLinkUrl(attr.href, urlPrefix);
let linkUrl = url.parse(attr.href);
let urlPathname = linkUrl.pathname;
let urlParams = new URLSearchParams(linkUrl.search);
if (urlPathname === '/faq' && urlParams.get('question') && urlParams.get('inline') === 'true') {
return {
tagName: 'span',
attribs: {
'gb-help': urlParams.get('question')
}
};
} else {
return {
tagName: 'a',
attribs: attr
};
}
} else {
return {
tagName: 'a',
attribs: attr
};
}
}
// 'iframe': function (tagName, attr) {
// // My own custom magic goes here
// var innerElement = '<iframe src="' + attr.src + '"/>';
// var w = parseInt(attr.width),
// h = parseInt(attr.height);
// var ratio = w / h;
// return {
// tagName: 'div',
// attribs: {
// class: 'video-container',
// style: 'padding-bottom:60%'
// },
// text: innerElement
// };
// }
}
}
);
return clean;
}
function removeHtml(dirty) {
dirty = dirty || '';
let clean = sanitizeHtml(dirty, {
allowedTags: [],
allowedAttributes: []
}
);
return clean;
}
function sanitize(dirty, additionalAllowedTags) {
dirty = dirty || '';
let allowedTags = additionalAllowedTags ? ['img', 'h2'].concat(additionalAllowedTags) : ['img', 'h2'];
let clean = sanitizeHtml(dirty, {
allowedTags: defaultAllowedTags.concat(allowedTags),
allowedAttributes: {
'*': ['href', 'name', 'target', 'src', 'class', 'gb-help', 'gb-help-options']
},
exclusiveFilter: function(frame) {
return frame.tag === 'p' && !frame.text.trim();
}
}
);
return clean;
}
function addPortalClasses(raw) {
raw = raw || '';
let clean;
clean = sanitizeHtml(raw, {
allowedTags: false,
allowedAttributes: false,
transformTags: {
'table': sanitizeHtml.simpleTransform('table', {class: 'table'})
}
}
);
return clean;
}
function sanitizeField(obj, field) {
_.set(obj, field, decodeHtml(removeHtml(_.get(obj, field))));
}
function sanitizeArrayField(array, field) {
array.forEach(function(e) {
sanitizeField(e, field);
});
}
module.exports = {
date: date,
prettifyEnum: prettifyEnum,
formatBytes: formatBytes,
prettifyLicense: prettifyLicense,
removeHtml: removeHtml,
sanitize: sanitize,
sanitizeTrusted: sanitizeTrusted,
addPortalClasses: addPortalClasses,
insertLinks: linkTools.insertLinks,
linkify: linkTools.linkify,
reduceUrlToDomain: linkTools.reduceUrlToDomain,
getDOILink: linkTools.getDOILink,
readableDOI: linkTools.readableDOI,
toCamelCase: toCamelCase,
decodeHtml: decodeHtml,
encodeHtml: encodeHtml,
compactInteger: compactInteger,
dateRange: dateRange,
timeRange: timeRange,
localizeLinks: localizeLinks,
localizeLink: localizeLink,
sanitizeField: sanitizeField,
sanitizeArrayField: sanitizeArrayField,
getSlug: getSlug
};