hardhat/builtin-tasks/utils/watch.js

Hardhat is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.

"use strict";
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    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
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    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.watchCompilerOutput = void 0;
const picocolors_1 = __importDefault(require("picocolors"));
const debug_1 = __importDefault(require("debug"));
const fs_extra_1 = __importDefault(require("fs-extra"));
const path = __importStar(require("path"));
const constants_1 = require("../../internal/constants");
const reporter_1 = require("../../internal/sentry/reporter");
const log = (0, debug_1.default)("hardhat:core:compilation-watcher");
async function watchCompilerOutput(provider, paths) {
    const chokidar = await Promise.resolve().then(() => __importStar(require("chokidar")));
    const buildInfoDir = path.join(paths.artifacts, constants_1.BUILD_INFO_DIR_NAME);
    const addCompilationResult = async (buildInfo) => {
        try {
            log("Adding new compilation result to the node");
            const { input, output, solcVersion } = await fs_extra_1.default.readJSON(buildInfo, {
                encoding: "utf8",
            });
            await provider.request({
                method: "hardhat_addCompilationResult",
                params: [solcVersion, input, output],
            });
        }
        catch (error) {
            console.warn(picocolors_1.default.yellow("There was a problem adding the new compiler result. Run Hardhat with --verbose to learn more."));
            log("Last compilation result couldn't be added. Please report this to help us improve Hardhat.\n", error);
            if (error instanceof Error) {
                reporter_1.Reporter.reportError(error);
            }
        }
    };
    log(`Watching changes on '${buildInfoDir}'`);
    return chokidar
        .watch(buildInfoDir, {
        ignoreInitial: true,
        awaitWriteFinish: {
            stabilityThreshold: 250,
            pollInterval: 50,
        },
    })
        .on("add", addCompilationResult);
}
exports.watchCompilerOutput = watchCompilerOutput;
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