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index.js
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173 lines (150 loc) · 4.31 KB
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import { titleCase as _titleCase } from 'title-case';
/**
Array for turning a date.getMonth() index into a date string
**/
export const months = [
'January',
'February',
'March',
'April',
'May',
'June',
'July',
'August',
'September',
'October',
'November',
'December'
];
/**
Turns < > & into their unicode equivalents
**/
export const escapeHtml = (str) =>
str.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
/**
Turns a slug into a title
Example: this_is_something => This Is Something
**/
export const titleCase = (slug) => _titleCase(slug.replace(/_/g, ' '));
/**
Turns a title into a slug
Example: This Is Something => this-is-something
**/
export const slugify = (...titles) =>
titles
.join('-')
.replace(/(\s|_)/g, '-')
.toLowerCase();
/**
Used to convert a string to an id for intl
"Data Something" > "DataSomething"
**/
export const toIntlId = (str) => str.replace(/_/g, ' ').replace(/ /g, '');
export const shuffleArray = (array) => {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[array[i], array[j]] = [array[j], array[i]];
}
return array;
};
export const map = (n, start1, stop1, start2, stop2) => {
const prog = Math.min(1, Math.max(0, (n - start1) / (stop1 - start1)));
return prog * (stop2 - start2) + start2;
};
export const getWin = () => {
if (typeof window == 'undefined') return [null, null];
return [window.innerWidth, window.innerHeight];
};
const WIDONT_REGEX = /([^\s])\s+([^\s]+)\s*$/;
const DASH_REGEX = /-/g;
const SPACE = '\u00a0'; //' ';
const HYPHEN = '\u2011'; //'‑'
export const widont = (str) => {
if (typeof str !== 'string') {
return str;
}
return str.replace(WIDONT_REGEX, (str, lead, word) => {
if (word.indexOf('-') >= 0) {
return lead + ' ' + word.replace(DASH_REGEX, HYPHEN);
}
return lead + SPACE + word;
});
};
export const linkParsing = (str) => {
if (typeof str !== 'string') {
return str;
}
return str.replace(/\[([^\]]*)\]\(([^)]*)\)/g, '<a href="$2">$1</a>');
};
/**
Gets sessionStorage if available without failing in the server
**/
export const sessionStorage =
typeof window !== 'undefined' ? window.sessionStorage : null;
/**
Gets localStorage if available without failing in the server
**/
export const localStorage =
typeof window !== 'undefined' ? window.localStorage : null;
/**
Returns a copy of the object with the keys sorted based on the array provided.
**/
export const sortObject = (obj, order) => {
const keys = obj
? Object.keys(obj).sort((a, b) => {
let aidx = order.indexOf(a);
let bidx = order.indexOf(b);
// Ensure keys not in order are sorted last
if (aidx === -1) aidx = 9999;
if (bidx === -1) bidx = 9999;
return aidx - bidx;
})
: [];
const copy = {};
for (let i = 0; i < keys.length; i++) {
copy[keys[i]] = obj[keys[i]];
}
return copy;
};
/**
Returns a copy of the array with the items sorted based on the values in the array provided and the key
**/
export const sortArray = (arr, order, key) => {
return arr.slice().sort((a, b) => {
let aidx = order.indexOf(a[key]);
let bidx = order.indexOf(b[key]);
// Ensure keys not in order are sorted last
if (aidx === -1) aidx = 9999;
if (bidx === -1) bidx = 9999;
return aidx - bidx;
});
};
// taken from https://www.npmjs.com/package/truncate
export const truncate = (string, maxLength) => {
const URL_REGEX = /(((ftp|https?):\/\/)[-\w@:%_+.~#?,&//=]+)|((mailto:)?[_.\w-]{1,300}@(.{1,300}\.)[a-zA-Z]{2,3})/g;
let content = '', // truncated text storage
matches = true,
remainingLength = maxLength,
result,
index;
if (!string || string.length === 0) {
return '';
}
matches = true;
while (matches) {
URL_REGEX.lastIndex = content.length;
matches = URL_REGEX.exec(string);
if (!matches || matches.index - content.length >= remainingLength) {
content += string.substring(content.length, maxLength);
break;
}
result = matches[0];
index = matches.index;
content += string.substring(content.length, index + result.length);
remainingLength -= index + result.length;
if (remainingLength <= 0) {
break;
}
}
return string.length === content.length ? content : content + '…';
};