text-no-case
Version:
Convert text to all lowercase letters with spaces between words
41 lines (40 loc) • 1.59 kB
JavaScript
Object.defineProperty(exports, "__esModule", { value: true });
exports.noCase = noCase;
const text_lower_case_1 = require("text-lower-case");
// Support camel case ("camelCase" -> "camel Case" and "CAMELCase" -> "CAMEL Case").
// Updated to support Unicode letters
const DEFAULT_SPLIT_REGEXP = [
/(\p{Ll}|\p{N})(\p{Lu})/gu,
/(\p{Lu})(\p{Lu}\p{Ll})/gu,
];
// Remove all non-word characters, but preserve Unicode letters and numbers.
// Updated to use Unicode-aware character classes
const DEFAULT_STRIP_REGEXP = /[^\p{L}\p{N}]+/gu;
/**
* Normalize text into something other libraries can manipulate easier.
*/
function noCase(input, options = {}) {
// Handle null/undefined inputs gracefully
if (!input)
return "";
const { splitRegexp = DEFAULT_SPLIT_REGEXP, stripRegexp = DEFAULT_STRIP_REGEXP, transform = text_lower_case_1.lowerCase, delimiter = " ", } = options;
let result = replace(replace(input, splitRegexp, "$1\0$2"), stripRegexp, "\0");
let start = 0;
let 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((input, re) => input.replace(re, value), input);
}
;