cssEscape

This tag provides CSS escapes and decoding

Created by: hackvertor

Installed 1 times

Viewed: 157

Category: Convert

Created on: Tuesday, October 22, 2024 at 6:44:49 PM

Updated on: Wednesday, September 17, 2025 at 8:33:49 AM

This is a built in tag

Tag arguments

[
   {
      "type": "number",
      "help": "This provides the number of characters to pad",
      "defaultValue": "2"
   }
]

Code

class cssEscape {
  encode(input, padding = 2) {
    return [...input]
      .map((chr) =>
        chr.codePointAt(0) <= 0xffffff
          ? "\\" + chr.codePointAt(0).toString(16).padStart(padding, "0")
          : chr,
      )
      .join("");
  }

  decode(input) {
    return input.replaceAll(/\\([a-fA-F0-9]{2,6})/g, ($0, hex) =>
      String.fromCodePoint(parseInt(hex, 16)),
    );
  }

  matches(input) {
    return /^(?:(?:\\[a-fA-F0-9]{2,6}){4,})/.exec(input);
  }
}