irctokens/dist/formatting.js

RFC1459 and IRCv3 protocol tokeniser

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.format = void 0;
const const_1 = require("./const");
function escapeTag(value) {
    let processed = value;
    for (let idx = 0; idx < const_1.TAG_ESCAPED.length; idx++) {
        processed = processed.replace(const_1.TAG_UNESCAPED_REGEX[idx], const_1.TAG_ESCAPED[idx]);
    }
    return processed;
}
function format({ tags, source, command, params }) {
    const outs = [];
    if (tags) {
        const tagsStr = [];
        for (const [key, val] of Object.entries(tags).sort(([a], [b]) => a.localeCompare(b))) {
            if (val)
                tagsStr.push(`${key}=${escapeTag(val)}`);
            else
                tagsStr.push(key);
        }
        outs.push(`@${tagsStr.join(';')}`);
    }
    if (source) {
        outs.push(`:${source}`);
    }
    outs.push(command);
    if (params === null || params === void 0 ? void 0 : params.length) {
        const paramCopy = [...params];
        let last = paramCopy.pop();
        for (const param of paramCopy) {
            if (param.includes(' '))
                throw new TypeError('non last params cannot have spaces');
            else if (param.startsWith(':'))
                throw new TypeError('non last params cannot start with colon');
        }
        outs.push(...paramCopy);
        if (!last || last.includes(' ') || last.startsWith(':')) {
            last = `:${last !== null && last !== void 0 ? last : ''}`;
        }
        outs.push(last);
    }
    return outs.join(' ');
}
exports.format = format;
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