gulpfile.js

var gulp = require("gulp");
var del = require("del");
var mocha = require("gulp-mocha");
var istanbul = require("gulp-istanbul");
var ts = require("gulp-typescript");
var tslint = require("gulp-tslint");
var replace = require("gulp-replace");
var sourcemaps = require("gulp-sourcemaps");
var p = require("./package.json");
var fs = require("fs");
var path = require("path");
var tsNameOf = require("ts-nameof");

gulp.task("typescript", ["clean-scripts"], function() {
    var tsProject = ts.createProject("tsconfig.json", {
        typescript: require("typescript")
    });

    return gulp.src(["./src/typings/**/*.d.ts", "./src/**/*.ts", "!./src/tests/**/testFiles/**/*.ts"])
        .pipe(sourcemaps.init())
        .pipe(tsNameOf())
        .pipe(ts(tsProject))
        .pipe(replace(/(}\)\()(.*\|\|.*;)/g, '$1/* istanbul ignore next */$2'))
        .pipe(replace(/(var __extends = \(this && this.__extends\))/g, '$1/* istanbul ignore next */'))
        .pipe(replace(/(if \(!exports.hasOwnProperty\(p\)\))/g, '/* istanbul ignore else */ $1'))
        // ignore empty constructors (for mixins and static classes)
        .pipe(replace(/(function [A-Za-z]+\(\) {[\s\n\t]+})/g, '/* istanbul ignore next */ $1'))
        .pipe(sourcemaps.write("./"))
        .pipe(gulp.dest("./dist"));
});

gulp.task("pre-test", ["typescript"], function () {
    return gulp.src(["./dist/**/*.js", "!./dist/tests/**/*.js"])
        .pipe(istanbul())
        .pipe(istanbul.hookRequire());
});

gulp.task("test", ["pre-test"], function() {
    return gulp.src(["./dist/tests/**/*.js"])
        .pipe(mocha({ reporter: "progress", timeout: 5000 }))
        .pipe(istanbul.writeReports())
        .pipe(istanbul.enforceThresholds({
            thresholds: {
                global: {
                    statements: 90,
                    branches: 90,
                    functions: 90,
                    lines: 90
                }
            }
        }));
});

gulp.task("tslint", function() {
    return gulp.src(["./src/**/*.ts", "!./src/typings/**/*.d.ts"])
        .pipe(tslint({
            rulesDirectory: "tslint-rules"
        }))
        .pipe(tslint.report("verbose"));
});

gulp.task("generate-definition-file", ["typescript"], function(cb) {
    require("./dist/build/generateDefinitionFile").generateDefinitionFile();
});

gulp.task("generate-strict-structures", ["typescript"], function(cb) {
    require("./dist/build/generateStrictStructures").generateStrictStructures();
});

gulp.task("generate-examples", ["typescript-examples"], function (cb) {
    require("./temp-examples/strictInterfaces/code");
    return del(["./temp-examples"], cb);
});

gulp.task("typescript-examples", ["clean-examples"], function() {
    var tsProject = ts.createProject("tsconfig.json", {
        typescript: require("typescript")
    });

    return gulp.src(["./examples/**/*.ts", "./src/typings/**/*.d.ts"])
        .pipe(ts(tsProject))
        .pipe(replace("/src/main", "/dist/main"))
        .pipe(gulp.dest("./temp-examples"));
});

gulp.task("watch", function() {
    gulp.watch("./src/**/*.ts", ["tslint", "typescript"]);
});

gulp.task("clean-scripts", function(cb) {
    return del(["./dist/**/*"], cb);
});

gulp.task("clean-examples", function(cb) {
    return del(["./temp-examples"], cb);
});

gulp.task("default", ["tslint", "typescript"]);