telegraf
Version:
Modern Telegram Bot Framework
59 lines (58 loc) • 1.91 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.argsParser = void 0;
const SINGLE_QUOTE = "'";
const DOUBLE_QUOTE = '"';
function argsParser(str, entities = [], entityOffset = 0) {
const mentions = {};
for (const entity of entities) // extract all text_mentions into an { offset: length } map
if (entity.type === 'text_mention' || entity.type === 'text_link')
mentions[entity.offset - entityOffset] = entity.length;
const args = [];
let done = 0;
let inside = undefined;
let buf = '';
function flush(to) {
if (done !== to)
args.push(buf + str.slice(done, to)), (inside = undefined);
buf = '';
done = to + 1;
}
for (let i = 0; i < str.length; i++) {
const char = str[i];
// quick lookup length of mention starting at i
const mention = mentions[i];
if (mention) {
// if we're inside a quote, eagerly flush existing state
flush(i);
// this also consumes current index, so decrement
done--;
// fast forward to end of mention
i += mention;
flush(i);
}
else if (char === SINGLE_QUOTE || char === DOUBLE_QUOTE)
if (inside)
if (inside === char)
flush(i);
else
continue;
else
flush(i), (inside = char);
else if (char === ' ')
if (inside)
continue;
else
flush(i);
else if (char === '\n')
flush(i);
else if (char === '\\')
(buf += str.slice(done, i)), (done = ++i); // skip parsing the next char
else
continue;
}
if (done < str.length)
flush(str.length);
return args;
}
exports.argsParser = argsParser;