Function getBytesPerFileUsingSourceMap

plugin/sourcemap.ts:12–45

(
  bundleId: string,
  code: string,
  map: SourceMapConsumer,
  dir: string,
)

}

const getBytesPerFileUsingSourceMap = (
  bundleId: string,
  code: string,
  map: SourceMapConsumer,
  dir: string,
) => {
  const modules: Record<string, SourceMapModuleRenderInfo> = {};

  let line = 1;
  let column = 0;
  const codeChars = [...code];
  for (let i = 0; i < codeChars.length; i++, column++) {
    const { source } = map.originalPositionFor({
      line,
      column,
    });
    if (source != null) {
      const id = path.resolve(path.dirname(path.join(dir, bundleId)), source);

      const char = codeChars[i];

      modules[id] = modules[id] || { id, renderedLength: 0, code: [] };
      modules[id].renderedLength += Buffer.byteLength(char);
      modules[id].code.push(char);
    }

    if (code[i] === "\n") {
      line += 1;
      column = -1;
    }
  }

  return modules;
};

export const getSourcemapModules = (
  id: string,