gulpfile.js

const ts = require('gulp-typescript')
const tsProject = ts.createProject('tsconfig.json')
const gulp = require('gulp')
const browserify = require('browserify')
const source = require('vinyl-source-stream')
const tsify = require('tsify')
const watchify = require('watchify')
const gutil = require('gulp-util')
const uglify = require('gulp-uglify')
const sourcemaps = require('gulp-sourcemaps')
const buffer = require('vinyl-buffer')
const clean = require('gulp-clean') //清理文件或文件夹
const standalonify = require('standalonify')

var merge = require('merge2')
gulp.task('clean', function () {
  return gulp.src('dist/*', { read: false }).pipe(clean())
})

gulp.task('tsc', function () {
  var tsResult = tsProject.src().pipe(tsProject())
  return merge([tsResult.dts.pipe(gulp.dest('dist')), tsResult.js.pipe(gulp.dest('dist'))])
})
gulp.task('copy_file', function () {
  return gulp
    .src(['./src/**/*.js', './src/**/*.json', './src/**/*.d.ts'], {
      base: './src',
    })
    .pipe(gulp.dest('dist'))
})
gulp.task('browserify', function () {
  tsProject.config.exclude = ''
  return browserify({
    basedir: '.',
    debug: true,
    entries: ['src/index.browser.ts'],
    cache: {},
    packageCache: {},
    // fullPaths: true,
  })
    .plugin(tsify, tsProject.config)
    .plugin(standalonify, { name: 'metaContract' })
    .bundle()
    .pipe(source('metaContract.browser.min.js'))
    .pipe(buffer())
    .pipe(
      sourcemaps.init({
        loadMaps: true,
      })
    )
    .pipe(uglify())
    .pipe(sourcemaps.write('./'))
    .pipe(gulp.dest('dist'))
})

function dev() {
  gulp.watch(['src/**/*.ts', 'src/**/*.d.ts'], gulp.series('tsc'))
  gulp.watch(['src/**/*.js'], gulp.series('tsc'))
}

// gulp.task("default", gulp.series("clean", "tsc", "copy_file", "browserify"));
gulp.task('default', gulp.series('clean', 'tsc', 'copy_file', 'browserify'))
// gulp.task("dev", gulp.series("clean", "tsc", "copy_file", "browserify", dev));
gulp.task('dev', gulp.series('clean', 'tsc', 'copy_file', dev))