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import _ from 'underscore';
/**
* Adds a , to a string composed by numbers, at every 3 chars.
*
* 2333 -> 2,333
* 232324 -> 232,324
*
* @param {String} text
* @returns {String}
*/
export const addDelimiter = text =>
text ? text.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',') : text;
/**
* Returns '99+' for numbers bigger than 99.
*
* @param {Number} count
* @return {Number|String}
*/
export const highCountTrim = count => (count > 99 ? '99+' : count);
/**
* Converts first char to uppercase and replaces undercores with spaces
* @param {String} string
* @requires {String}
*/
export const humanize = string =>
string.charAt(0).toUpperCase() + string.replace(/_/g, ' ').slice(1);
/**
* Replaces underscores with dashes
* @param {*} str
* @returns {String}
*/
export const dasherize = str => str.replace(/[_\s]+/g, '-');
/**
* Replaces whitespace and non-sluggish characters with a given separator
* @param {String} str - The string to slugify
* @param {String=} separator - The separator used to separate words (defaults to "-")
* @returns {String}
*/
export const slugify = (str, separator = '-') => {
const slug = str
.trim()
.toLowerCase()
.replace(/[^a-zA-Z0-9_.-]+/g, separator);
return slug === separator ? '' : slug;
};
/**
* Replaces whitespace and non-sluggish characters with underscores
* @param {String} str
* @returns {String}
*/
export const slugifyWithUnderscore = str => slugify(str, '_');
/**
* Truncates given text
*
* @param {String} string
* @param {Number} maxLength
* @returns {String}
*/
export const truncate = (string, maxLength) => `${string.substr(0, maxLength - 3)}...`;
/**
* Truncate SHA to 8 characters
*
* @param {String} sha
* @returns {String}
*/
export const truncateSha = sha => sha.substr(0, 8);
const ELLIPSIS_CHAR = '…';
export const truncatePathMiddleToLength = (text, maxWidth) => {
let returnText = text;
let ellipsisCount = 0;
while (returnText.length >= maxWidth) {
const textSplit = returnText.split('/').filter(s => s !== ELLIPSIS_CHAR);
const middleIndex = Math.floor(textSplit.length / 2);
returnText = textSplit
.slice(0, middleIndex)
.concat(
new Array(ellipsisCount + 1).fill().map(() => ELLIPSIS_CHAR),
textSplit.slice(middleIndex + 1),
)
.join('/');
ellipsisCount += 1;
}
return returnText;
};
/**
* Capitalizes first character
*
* @param {String} text
* @return {String}
*/
export function capitalizeFirstCharacter(text) {
return `${text[0].toUpperCase()}${text.slice(1)}`;
}
/**
* Returns the first character capitalized
*
* If falsey, returns empty string.
*
* @param {String} text
* @return {String}
*/
export function getFirstCharacterCapitalized(text) {
return text ? text.charAt(0).toUpperCase() : '';
}
/**
* Replaces all html tags from a string with the given replacement.
*
* @param {String} string
* @param {*} replace
* @returns {String}
*/
export const stripHtml = (string, replace = '') => {
if (!string) return string;
return string.replace(/<[^>]*>/g, replace);
};
/**
* Converts snake_case string to camelCase
*
* @param {*} string
*/
export const convertToCamelCase = string => string.replace(/(_\w)/g, s => s[1].toUpperCase());
/**
* Converts camelCase string to snake_case
*
* @param {*} string
*/
export const convertToSnakeCase = string =>
slugifyWithUnderscore(string.match(/([a-zA-Z][^A-Z]*)/g).join(' '));
/**
* Converts a sentence to lower case from the second word onwards
* e.g. Hello World => Hello world
*
* @param {*} string
*/
export const convertToSentenceCase = string => {
const splitWord = string.split(' ').map((word, index) => (index > 0 ? word.toLowerCase() : word));
return splitWord.join(' ');
};
/**
* Splits camelCase or PascalCase words
* e.g. HelloWorld => Hello World
*
* @param {*} string
*/
export const splitCamelCase = string =>
string
.replace(/([A-Z]+)([A-Z][a-z])/g, ' $1 $2')
.replace(/([a-z\d])([A-Z])/g, '$1 $2')
.trim();
/**
* Intelligently truncates an item's namespace by doing two things:
* 1. Only include group names in path by removing the item name
* 2. Only include the first and last group names in the path
* when the namespace includes more than 2 groups
*
* @param {String} string A string namespace,
* i.e. "My Group / My Subgroup / My Project"
*/
export const truncateNamespace = (string = '') => {
if (_.isNull(string) || !_.isString(string)) {
return '';
}
const namespaceArray = string.split(' / ');
if (namespaceArray.length === 1) {
return string;
}
namespaceArray.splice(-1, 1);
let namespace = namespaceArray.join(' / ');
if (namespaceArray.length > 2) {
namespace = `${namespaceArray[0]} / ... / ${namespaceArray.pop()}`;
}
return namespace;
};
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