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53 lines
929 B
JavaScript
53 lines
929 B
JavaScript
// See https://modern.ircdocs.horse/formatting.html
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const BOLD = "\x02";
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const ITALIC = "\x1D";
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const UNDERLINE = "\x1F";
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const STRIKETHROUGH = "\x1E";
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const MONOSPACE = "\x11";
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const COLOR = "\x03";
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const COLOR_HEX = "\x04";
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const REVERSE_COLOR = "\x16";
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const RESET = "\x0F";
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function isDigit(ch) {
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return ch >= "0" && ch <= "9";
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}
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export function strip(text) {
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let out = "";
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for (let i = 0; i < text.length; i++) {
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let ch = text[i];
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switch (ch) {
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case BOLD:
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case ITALIC:
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case UNDERLINE:
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case STRIKETHROUGH:
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case MONOSPACE:
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case REVERSE_COLOR:
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case RESET:
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break; // skip
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case COLOR:
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if (!isDigit(text[i + 1])) {
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break;
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}
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i++;
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if (isDigit(text[i + 1])) {
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i++;
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}
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if (text[i + 1] == "," && isDigit(text[i + 2])) {
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i += 2;
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if (isDigit(text[i + 1])) {
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i++;
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}
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}
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break;
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case COLOR_HEX:
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i += 6;
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break;
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default:
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out += ch;
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}
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}
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return out;
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}
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