truffle.js

// <https://ethereum.stackexchange.com/questions/21210/syntaxerror-unexpected-token-import-on-truffle-test/21211#21211>
require("babel-register")({
    only: ["test/"],
    retainLines: true,
});
require("babel-polyfill");

module.exports = {
    // See <http://truffleframework.com/docs/advanced/configuration>
    // to customize your Truffle configuration!
    networks: {
        development: {
            host: "localhost",
            port: 8545,
            network_id: "*", // Match any network id
        },
    },
    mocha: {
        reporter: "eth-gas-reporter",
        reporterOptions: {
            currency: "USD",
            onlyCalledMethods: true,
            showTimeSpent: true,
        },
    },
    compilers: {
        solc: {
            version: "0.8.12",
            settings: {
                optimizer: {
                    enabled: true,
                    runs: 100,
                },
            },
        },
    },
};