@nomicfoundation/hardhat-foundry/dist/src/internal/hook-handlers/solidity.js

Hardhat plugin that provides compatibility with Foundry-based projects remappings.

import * as path from "node:path";
import { HardhatError } from "@nomicfoundation/hardhat-errors";
import { hasFoundryConfig, getForgeRemappings, isForgeInstalled, } from "../foundry/forge.js";
/**
 * Hook handler that adds Foundry remappings from `forge remappings`.
 */
export default async () => {
    // State stored in closure - checked once per HRE lifetime
    let forgeInstalledChecked = false;
    let forgeIsInstalled = false;
    return {
        async readNpmPackageRemappings(context, packageName, packageVersion, packagePath, next) {
            const existingRemappings = await next(context, packageName, packageVersion, packagePath);
            if (!(await hasFoundryConfig(packagePath))) {
                return existingRemappings;
            }
            // Check forge installation only once
            if (!forgeInstalledChecked) {
                forgeInstalledChecked = true;
                forgeIsInstalled = await isForgeInstalled();
            }
            if (!forgeIsInstalled) {
                throw new HardhatError(HardhatError.ERRORS.HARDHAT_FOUNDRY.GENERAL.FORGE_NOT_INSTALLED);
            }
            const forgeRemappings = await getForgeRemappings(packagePath);
            return [
                ...existingRemappings,
                {
                    remappings: forgeRemappings,
                    source: path.join(packagePath, "foundry.toml"),
                },
            ];
        },
    };
};
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