@gulujs/toml/dist/parser/types/integer.js

TOML parser and serializer

import { RE_INTEGER } from '../constants.js';
import { PRETTY_ERROR_MESSAGE, SYNTAX_ERROR_MESSAGE } from '../../errors/index.js';
export function getInteger(source, offset, converters) {
    RE_INTEGER.lastIndex = offset;
    const matches = RE_INTEGER.exec(source.line);
    if (!matches || matches.index !== offset) {
        return null;
    }
    let value;
    if (matches[7]) {
        if (matches[6]) {
            throw new SyntaxError(SYNTAX_ERROR_MESSAGE(source, offset));
        }
        value = convertInteger(10, matches[2], matches[7], converters, source, offset + matches[1].length);
    }
    else if (matches[3]) {
        assertSignEmpty(matches[2], source, offset);
        value = convertInteger(16, matches[2], matches[3].toLowerCase(), converters, source, offset + matches[1].length);
    }
    else if (matches[4]) {
        assertSignEmpty(matches[2], source, offset);
        value = convertInteger(8, matches[2], matches[4], converters, source, offset + matches[1].length);
    }
    else if (matches[5]) {
        assertSignEmpty(matches[2], source, offset);
        value = convertInteger(2, matches[2], matches[5], converters, source, offset + matches[1].length);
    }
    return {
        value,
        nextIndex: RE_INTEGER.lastIndex
    };
}
function convertInteger(radix, sign, str, converters, source, offset) {
    try {
        return converters.integer.convertStringToJsValue(str.replace(/_/g, ''), { sign, radix });
    }
    catch (e) {
        if (e instanceof Error) {
            e.message = PRETTY_ERROR_MESSAGE(e.message, source, offset);
        }
        throw e;
    }
}
function assertSignEmpty(sign, source, offset) {
    if (sign) {
        throw new SyntaxError(SYNTAX_ERROR_MESSAGE(source, offset));
    }
}