util.js
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"use strict";
exports.__esModule = true;
exports.isNumeric = isNumeric;
exports.hyphenToCamelCase = hyphenToCamelCase;
exports.trimEnd = trimEnd;
exports.kebabCase = kebabCase;
exports.replaceSpaces = replaceSpaces;
/**
* Determines if the specified string consists entirely of numeric characters.
*
* @param {*} [value]
* @returns {boolean}
*/
function isNumeric(value) {
return !Number.isNaN(value - parseFloat(value));
}
/**
* Convert a hyphenated string to camelCase.
*
* @param {string} string
* @returns {string}
*/
function hyphenToCamelCase(string) {
return string.replace(/-(.)/g, (match, chr) => chr.toUpperCase());
}
/**
* Trim the specified substring off the string. If the string does not end
* with the specified substring, this is a no-op.
*
* @param {string} haystack String to search in
* @param {string} needle String to search for
* @return {string}
*/
function trimEnd(haystack, needle) {
return haystack.endsWith(needle) ? haystack.slice(0, -needle.length) : haystack;
}
const KEBAB_REGEX = /[A-Z\u00C0-\u00D6\u00D8-\u00DE]/g;
function kebabCase(str) {
return str.replace(KEBAB_REGEX, match => `-${match.toLowerCase()}`);
}
const SPACES_REGEXP = /[\t\r\n\u0085\u2028\u2029]+/g;
function replaceSpaces(str) {
return str.replace(SPACES_REGEXP, ' ');
}