@truffle/compile-solidity/src/profiler/index.js

Compiler helper and artifact manager for Solidity files

// Compares .sol files to their .sol.js counterparts,
// determines which .sol files have been updated.

const debug = require("debug")("compile:profiler");
const { Profiler } = require("@truffle/profiler");
const { loadParser } = require("./loadParser");
const { shouldIncludePath } = require("./shouldIncludePath");

module.exports = {
  updated: async options => {
    const profiler = await new Profiler({});
    return await profiler.updated(options);
  },

  // Returns the minimal set of sources to pass to solc as compilations targets,
  // as well as the complete set of sources so solc can resolve the comp targets' imports.
  requiredSources: async options => {
    // get parser
    const parseImports = await loadParser(options);

    // generate profiler
    const profiler = new Profiler({
      parseImports,
      shouldIncludePath
    });

    // invoke profiler
    return await profiler.requiredSources(options);
  },

  requiredSourcesForSingleFile: async options => {
    const parseImports = await loadParser(options);

    const profiler = new Profiler({
      parseImports,
      shouldIncludePath
    });

    return profiler.requiredSourcesForSingleFile(options);
  }
};