gulpfile.js

const gulp = require('gulp');
const del = require('del');
const rename = require('gulp-rename')

const gulpReplace = require('gulp-replace')

// 删除之前生成的dist目录
gulp.task('clean:_docs', function (cb) {
    return del([
        '_docs/**',
        // @TODO 这样覆盖有用吗???
        '!_docs/.vuepress',
        '_docs/.vuepress/dist/**',
        '_docs/.vuepress/public/**',
    ], cb);
});

gulp.task('clean:_ppt', function (cb) {
  return del([
    '_ppt/**'
  ], cb);
});

// 搬运静态资源
gulp.task('copy:static', function () {
    return gulp.src([
        `static/**/*.*`,
    ])
    .pipe(gulp.dest(`_docs/.vuepress/public/static`))
})

gulp.task('copy:ppt:static', function () {
  return gulp.src([
    `static/**/*.*`,
  ]).pipe(gulp.dest(`_ppt/static`))
})

// 搬运Markdown
const appendixFolder = [
    ".vuepress", ".nodeppt", "_docs", "_ppt",
    ".idea", ".git", "node_modules", ".vscode", "static", "public",
    // 附录
    // 'appendix',
    'activity', 'book', 'code', 'dying', 'ext', 'planB', 'regret'
]

gulp.task('copy:markdown', function () {
    return gulp.src([
        `**/*{README,@nice}*.md`,
        // @TODO 好像不支持这种格式 {a,b}/**.md
        ...appendixFolder.map(item => `!${item}/**/*.md`)
    ])
    // 替换链接 空格开头
    .pipe(gulpReplace(/ ((((ht|f)tps?:(?:\/\/)?)(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+|(?:www\.|[\-;:&=\+\$,\w]+@)#?[A-Za-z0-9\.\-]+)((?:\/[\+~%\/\.\w\-_]*)?\??(?:[\-\+=&;%@\.\w_]*)#?(?:[\.\!\/\\\w]*))?)/ig, function(match, prefix, content) {
        // console.log(match, prefix, content)
        return ' ['+ match.trimLeft() +']('+ match.trimLeft() +')';
    }))
    .pipe(rename(function (path) {
        // @TODO 正则优化一波
        // eg. [9-1]xxxx-yyyy
        if (path.dirname.includes('[') && path.dirname.includes(']')) {
            path.dirname = path.dirname.replace(/\[/, 'nav.').replace(/\]/, ".")
        }
    }))
    .pipe(gulp.dest(`_docs`))
})


gulp.task('copy:ppt:markdown', function () {
  return gulp.src([
    `**/*@ppt*.md`,
    ...appendixFolder.map(item => `!${item}/**/*.md`)
  ])
  // 替换链接 空格开头
  .pipe(gulpReplace(/ ((((ht|f)tps?:(?:\/\/)?)(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+|(?:www\.|[\-;:&=\+\$,\w]+@)#?[A-Za-z0-9\.\-]+)((?:\/[\+~%\/\.\w\-_]*)?\??(?:[\-\+=&;%@\.\w_]*)#?(?:[\.\!\/\\\w]*))?)/ig, function(match, prefix, content) {
      // console.log(match, prefix, content)
      return '['+ match +']('+ match +')';
  }))
  .pipe(rename(function (path) {
      // 都移到组外层
      path.dirname = ""
      // 来个随机数
      path.basename = path.basename + '-' + Math.random().toString().slice(2, 7)
   }))
  .pipe(gulp.dest(`_ppt`))
})

// vuepress打包文件路径替换
const publicPath = 'note'
gulp.task('path:replace', function() {
    return gulp
        .src([
            '_docs/.vuepress/dist/**/*.{html,js}',
        ])
        // 理解一波 ??
        .pipe(gulpReplace(/(?<!note\/)static\/images/g, 'note/static/images'))
        .pipe(gulp.dest('_docs/.vuepress/dist'));
});

// 清理所有
gulp.task('clean', gulp.series('clean:_docs', function (done) {
    done();
}));

gulp.task('copy', gulp.series('clean:_docs', gulp.parallel('copy:static', 'copy:markdown'), function (done) {
    done();
}));

gulp.task('copy:ppt', gulp.series('clean:_ppt', gulp.parallel('copy:ppt:static', 'copy:ppt:markdown'), function (done) {
  done();
}));


// gulp4调整了default写法
gulp.task('default', gulp.series('copy:static'));