gulpfile.js

#!/usr/bin/env node

"use strict";

var lernaJSON = require("./lerna.json");
var path = require("path");

var del = require("del");
var gulp = require("gulp");
var browserify = require("browserify");
var jshint = require("gulp-jshint");
var uglify = require("gulp-uglify");
var rename = require("gulp-rename");
var source = require("vinyl-source-stream");
var exorcist = require("exorcist");
var streamify = require("gulp-streamify");
var replace = require("gulp-replace");
var exec = require("child_process").exec;

var DEST = path.join(__dirname, "dist/");
var WEB3_PACKAGE_DEST = path.join(__dirname, "packages/web3/dist");

var packages = [
    {
        fileName: "web3",
        expose: "Web3",
        src: "./packages/web3/src/index.js",
        ignore: ["xmlhttprequest"],
    },
    {
        fileName: "web3-utils",
        expose: "Web3Utils",
        src: "./packages/web3-utils/src/index.js",
    },
    {
        fileName: "web3-eth",
        expose: "Web3Eth",
        src: "./packages/web3-eth/src/index.js",
    },
    {
        fileName: "web3-tolar",
        expose: "Tolar",
        src: "./packages/web3-tolar/dist/index.js",
    },
    {
        fileName: "web3-eth-accounts",
        expose: "Web3TolarAccounts",
        src: "./packages/web3-eth-accounts/src/index.js",
    },
    {
        fileName: "web3-tolar-accounts",
        expose: "Web3EthAccounts",
        src: "./packages/web3-tolar-accounts/src/index.js",
    },
    {
        fileName: "web3-eth-contract",
        expose: "Web3EthContract",
        src: "./packages/web3-eth-contract/src/index.js",
    },
    {
        fileName: "web3-eth-personal",
        expose: "Web3EthPersonal",
        src: "./packages/web3-eth-personal/src/index.js",
    },
    {
        fileName: "web3-eth-iban",
        expose: "Web3EthIban",
        src: "./packages/web3-eth-iban/src/index.js",
    },
    {
        fileName: "web3-eth-abi",
        expose: "Web3EthAbi",
        src: "./packages/web3-eth-abi/src/index.js",
    },
    {
        fileName: "web3-eth-ens",
        expose: "EthEns",
        src: "./packages/web3-eth-ens/src/index.js",
    },
    {
        fileName: "web3-net",
        expose: "Web3Net",
        src: "./packages/web3-net/src/index.js",
    },
    {
        fileName: "web3-shh",
        expose: "Web3Shh",
        src: "./packages/web3-shh/src/index.js",
    },
    {
        fileName: "web3-bzz",
        expose: "Web3Bzz",
        src: "./packages/web3-bzz/src/index.js",
    },
    {
        fileName: "web3-providers-ipc",
        expose: "Web3IpcProvider",
        src: "./packages/web3-providers-ipc/src/index.js",
    },
    {
        fileName: "web3-providers-http",
        expose: "Web3HttpProvider",
        src: "./packages/web3-providers-http/src/index.js",
        ignore: ["xmlhttprequest"],
    },
    {
        fileName: "web3-providers-ws",
        expose: "Web3WsProvider",
        src: "./packages/web3-providers-ws/src/index.js",
    },
    {
        fileName: "web3-core-subscriptions",
        expose: "Web3Subscriptions",
        src: "./packages/web3-core-subscriptions/src/index.js",
    },
    {
        fileName: "web3-core-requestmanager",
        expose: "Web3RequestManager",
        src: "./packages/web3-core-requestmanager/src/index.js",
    },
    {
        fileName: "web3-core-promievent",
        expose: "Web3PromiEvent",
        src: "./packages/web3-core-promievent/src/index.js",
    },
    {
        fileName: "web3-core-method",
        expose: "Web3Method",
        src: "./packages/web3-core-method/src/index.js",
    },
];

var browserifyOptions = {
    debug: true,
    // standalone: 'Web3',
    derequire: true,
    insertGlobalVars: false, // jshint ignore:line
    detectGlobals: true,
    bundleExternal: true,
};

var ugliyOptions = {
    compress: {
        dead_code: true, // jshint ignore:line
        drop_debugger: true, // jshint ignore:line
        global_defs: {
            // jshint ignore:line
            DEBUG: false, // matters for some libraries
        },
    },
};

gulp.task("version", function () {
    if (!lernaJSON.version) {
        throw new Error("version property is missing from lerna.json");
    }

    var version = lernaJSON.version;
    var jsonPattern = /"version": "[.0-9\-a-z]*"/;
    var jsPattern = /version: '[.0-9\-a-z]*'/;
    var glob = ["./package.json"];

    return gulp
        .src(glob, { base: "./" })
        .pipe(replace(jsonPattern, '"version": "' + version + '"'))
        .pipe(replace(jsPattern, "version: '" + version + "'"))
        .pipe(gulp.dest("./"));
});

gulp.task("lint", function () {
    return gulp
        .src(["./*.js", "./lib/*.js"])
        .pipe(jshint())
        .pipe(jshint.reporter("default"));
});

gulp.task(
    "clean",
    gulp.series("lint", function (cb) {
        del([DEST]).then(cb.bind(null, null));
    })
);

packages.forEach(function (pckg, i) {
    var prevPckg = !i ? "clean" : packages[i - 1].fileName;

    gulp.task(
        pckg.fileName,
        gulp.series(prevPckg, function () {
            browserifyOptions.standalone = pckg.expose;

            var stream = browserify(browserifyOptions)
                .require(pckg.src, { expose: pckg.expose })
                .require("bn.js", { expose: "BN" }) // expose it to dapp developers
                .add("./node_modules/regenerator-runtime")
                .add(pckg.src);

            if (pckg.ignore) {
                pckg.ignore.forEach(function (ignore) {
                    stream.ignore(ignore);
                });
            }

            var bundle = stream
                .transform("babelify", {
                    global: true,
                    presets: [
                        [
                            "@babel/preset-env",
                            {
                                useBuiltIns: "entry",
                                corejs: 3,
                                targets: {
                                    ie: 10,
                                },
                            },
                        ],
                    ],
                })
                .bundle();

            stream = bundle.pipe(
                exorcist(path.join(DEST, pckg.fileName + ".js.map"))
            );

            if (pckg.fileName === "web3") {
                bundle.pipe(
                    exorcist(
                        path.join(WEB3_PACKAGE_DEST, pckg.fileName + ".js.map")
                    )
                );
            }

            stream = stream.pipe(source(pckg.fileName + ".js"));

            if (pckg.fileName === "web3") {
                stream = stream.pipe(gulp.dest(WEB3_PACKAGE_DEST));
            }

            stream = stream
                .pipe(gulp.dest(DEST))
                .pipe(streamify(uglify(ugliyOptions)))
                .on("error", function (err) {
                    console.error(err);
                })
                .pipe(rename(pckg.fileName + ".min.js"));

            if (pckg.fileName === "web3") {
                stream = stream.pipe(gulp.dest(WEB3_PACKAGE_DEST));
            }

            return stream.pipe(gulp.dest(DEST));
        })
    );
});

gulp.task("publishTag", function () {
    exec(
        'git commit -am "add tag v' +
            lernaJSON.version +
            '"; git tag v' +
            lernaJSON.version +
            "; git push origin v" +
            lernaJSON.version +
            ";"
    );
});

gulp.task("watch", function () {
    gulp.watch(["./packages/web3/src/*.js"], gulp.series("lint", "default"));
});

gulp.task(
    "all",
    gulp.series(
        "version",
        "lint",
        "clean",
        packages[packages.length - 1].fileName
    )
);

gulp.task(
    "default",
    gulp.series("version", "lint", "clean", packages[0].fileName)
);