core-types-graphql/dist/lib/utils.js

core-types ⬌ GraphQL conversion

export function gqlLocationsToCoreTypesLocation(source, loc) {
    if (loc.length === 0)
        return {};
    const firstLoc = loc[0];
    const offset = source
        .split("\n")
        .slice(0, firstLoc.line)
        .map((line, index, arr) => (index === arr.length - 1)
        ? firstLoc.column
        : line.length)
        .reduce((prev, cur) => prev + cur, 0);
    return {
        start: {
            line: firstLoc.line,
            column: firstLoc.column,
            offset,
        },
    };
}