cerceis-lib
Version:
Contains list of quality of life functions that is written in TypeScript and es6
79 lines • 2.42 kB
JavaScript
// src/string/index.ts
var FromString = {
/**
* Copy string to clipboard.
* Only works in browser environments — silently does nothing in Node.js.
* @param textToCopy Text to copy.
*/
copyToClipboard(textToCopy) {
if (typeof navigator === "undefined") return;
navigator.clipboard.writeText(textToCopy);
},
/**
* Replace the first N characters with the given string.
* Does not mutate — returns a new string.
* @param n First N characters to replace (starts from 1)
* @param w Replacement string (must have length === n)
* @param str Input string
*/
replaceFirst(n, w, str) {
try {
if (n !== w.length) throw "Length of replacement and target slot must be equal.";
return `${w}${str.slice(n)}`;
} catch (err) {
console.log(`FromString.replaceFirst: ${err}`);
return "";
}
},
/**
* Replace the last N characters with the given string.
* Does not mutate — returns a new string.
* @param n Last N characters to replace (starts from 1)
* @param w Replacement string (must have length === n)
* @param str Input string
*/
replaceLast(n, w, str) {
try {
if (n !== w.length) throw "Length of replacement and target slot must be equal.";
return `${str.slice(0, str.length - n)}${w}`;
} catch (err) {
console.log(`FromString.replaceLast: ${err}`);
return "";
}
},
/**
* Parse an HTTP cookie string into a key/value object.
* @param cookie Raw cookie string
*/
parseCookies(cookie) {
const list = {};
cookie.split(";").forEach((part) => {
const parts = part.split("=");
const key = parts.shift()?.trim();
if (key) list[key] = decodeURI(parts.join("="));
});
return list;
},
/**
* Remove all whitespace, symbols, and special characters.
* Leaves only 0–9 and a–Z.
* @param str Input string
*/
deepClean(str) {
return str.trim().replace(/[^0-9a-zA-Z]/g, "");
},
/**
* Count occurrences of a word within a string.
* @param str Input string.
* @param wordToCount Word to count.
* @param isolated Only count when the word appears as a standalone word (space-bounded).
*/
count(str, wordToCount, isolated = false) {
if (isolated) return str.split(` ${wordToCount} `).length - 1;
return str.split(wordToCount).length - 1;
}
};
export {
FromString
};
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