@gulujs/toml/dist/parser/types/inline-table.js

TOML parser and serializer

import { tryGetValue } from './get-value.js';
import { RE_INLINE_TABLE_END, RE_INLINE_TABLE_START, RE_KEY } from '../constants.js';
import { TableObject } from '../../table-object/index.js';
import { SYNTAX_ERROR_MESSAGE } from '../../errors/index.js';
export function getInlineTable(source, offset, converters) {
    RE_INLINE_TABLE_START.lastIndex = offset;
    const matches = RE_INLINE_TABLE_START.exec(source.line);
    if (!matches || matches.index !== offset) {
        return null;
    }
    const obj = new TableObject();
    let nextIndex = RE_INLINE_TABLE_START.lastIndex;
    let hasPostfixComma = false;
    // eslint-disable-next-line no-constant-condition,@typescript-eslint/no-unnecessary-condition
    while (true) {
        const key = source.getKey(nextIndex, RE_KEY);
        if (key) {
            const valueResult = tryGetValue(source, key.nextIndex, converters);
            if (valueResult === null) {
                throw new SyntaxError(SYNTAX_ERROR_MESSAGE(source, key.nextIndex));
            }
            nextIndex = valueResult.nextIndex;
            obj.set(key.path, valueResult.value);
        }
        else if (hasPostfixComma) {
            throw new SyntaxError(SYNTAX_ERROR_MESSAGE(source, nextIndex));
        }
        const state = checkEndState(source, nextIndex);
        nextIndex = state.nextIndex;
        if (state.end) {
            break;
        }
        hasPostfixComma = true;
    }
    return {
        value: obj.root,
        nextIndex
    };
}
function checkEndState(source, offset) {
    RE_INLINE_TABLE_END.lastIndex = offset;
    const matches = RE_INLINE_TABLE_END.exec(source.line);
    if (!matches || matches.index !== offset) {
        throw new SyntaxError(SYNTAX_ERROR_MESSAGE(source, offset));
    }
    return {
        end: matches[1] === '}',
        nextIndex: RE_INLINE_TABLE_END.lastIndex
    };
}