hexo/node_modules/no-case/dist.es2015/index.js

import { lowerCase } from "lower-case";
// Support camel case ("camelCase" -> "camel Case" and "CAMELCase" -> "CAMEL Case").
var DEFAULT_SPLIT_REGEXP = [/([a-z0-9])([A-Z])/g, /([A-Z])([A-Z][a-z])/g];
// Remove all non-word characters.
var DEFAULT_STRIP_REGEXP = /[^A-Z0-9]+/gi;
/**
 * Normalize the string into something other libraries can manipulate easier.
 */
export function noCase(input, options) {
    if (options === void 0) { options = {}; }
    var _a = options.splitRegexp, splitRegexp = _a === void 0 ? DEFAULT_SPLIT_REGEXP : _a, _b = options.stripRegexp, stripRegexp = _b === void 0 ? DEFAULT_STRIP_REGEXP : _b, _c = options.transform, transform = _c === void 0 ? lowerCase : _c, _d = options.delimiter, delimiter = _d === void 0 ? " " : _d;
    var result = replace(replace(input, splitRegexp, "$1\0$2"), stripRegexp, "\0");
    var start = 0;
    var end = result.length;
    // Trim the delimiter from around the output string.
    while (result.charAt(start) === "\0")
        start++;
    while (result.charAt(end - 1) === "\0")
        end--;
    // Transform each token independently.
    return result.slice(start, end).split("\0").map(transform).join(delimiter);
}
/**
 * Replace `re` in the input string with the replacement value.
 */
function replace(input, re, value) {
    if (re instanceof RegExp)
        return input.replace(re, value);
    return re.reduce(function (input, re) { return input.replace(re, value); }, input);
}
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