for prepublish

publish.js

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+const { start: step1 } = require('./publish/copyAndAbstractLess')
+
+step1()

publish/plugin/fs.js

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+const fs = require('fs')
+const path = require('path')
+
+function readDir (src) {
+  return new Promise(resolve => {
+    fs.readdir(src, (err, paths) => {
+      if (err) {
+        console.error(err)
+
+        resolve(false)
+      }
+
+      resolve(paths)
+    })
+  })
+}
+
+function stat (src) {
+  return new Promise(resolve => {
+    fs.stat(src, (err, stats) => {
+      if (err) {
+        console.error(err)
+
+        resolve(false)
+      }
+
+      resolve(stats)
+    })
+  })
+}
+
+function mkdir (src) {
+  return new Promise(resolve => {
+    fs.mkdir(src, err => {
+      if (err) {
+        console.warn(err)
+
+        resolve(false)
+      }
+
+      resolve(true)
+    })
+  })
+}
+
+function access (src, mode = fs.constants.F_OK) {
+  return new Promise(resolve => {
+    fs.access(src, mode, err => {
+      if (err) {
+        resolve(false)
+
+        return
+      }
+
+      resolve(true)
+    })
+  })
+}
+
+function unlink (src) {
+  return new Promise(resolve => {
+    fs.unlink(src, err => {
+      if (err) {
+        console.error(err)
+
+        resolve(false)
+      }
+
+      resolve(true)
+    })
+  })
+}
+
+function rmDir (src) {
+  return new Promise(resolve => {
+    fs.rmdir(src, err => {
+      if (err) {
+        resolve(false)
+      } else {
+        resolve(true)
+      }
+    })
+  })
+}
+
+async function clearDir (src) {
+  const isExists = await access(src)
+
+  if (!isExists) {
+    await mkdir(src)
+
+    return true
+  }
+
+  return await emptyDir(src)
+}
+
+async function emptyDir (src) {
+  const paths = await readDir(src)
+  if (!paths) {
+    console.error('Exception in emptyDir: paths!')
+
+    return false
+  }
+
+  for (let i = 0; i < paths.length; i++) {
+    const fullSrc = src + '/' + paths[i]
+    const stats = await stat(fullSrc)
+
+    if (!stats) {
+      console.error('Exception in emptyDir: stats!')
+
+      return false
+    }
+
+    if (stats.isFile()) {
+      const isUnlink = await unlink(fullSrc)
+
+      if (!isUnlink) {
+        console.error('Exception in emptyDir: isUnlink!')
+
+        return false
+      }
+    } else if (stats.isDirectory()) {
+      const isEmpty = await emptyDir(fullSrc)
+
+      if (!isEmpty) {
+        console.error('Exception in emptyDir: isEmpty!')
+
+        return false
+      }
+
+      if (!await rmDir(fullSrc)) {
+        console.error('Exception in emptyDir: rmDir!')
+
+        return false
+      }
+    }
+  }
+
+  return true
+}
+
+async function unlinkDirFileByExtname (src, extnames = []) {
+  const paths = await readDir(src)
+
+  if (!paths) {
+    console.error('Exception in unlinkDirFileByExtname: paths!')
+
+    return false
+  }
+
+  for (let i = 0; i < paths.length; i++) {
+    const fullSrc = src + '/' + paths[i]
+    const stats = await stat(fullSrc)
+
+    if (!stats) {
+      console.error('Exception in unlinkDirFileByExtname: stats!')
+
+      return false
+    }
+
+    if (stats.isFile()) {
+      const cxtname = path.extname(fullSrc)
+      if (extnames.findIndex(name => name === cxtname) === -1) continue
+
+      const isUnlink = await unlink(fullSrc)
+      if (!isUnlink) {
+        console.error('Exception in unlinkDirFileByExtname: isUnlink!')
+
+        return false
+      }
+    } else if (stats.isDirectory()) {
+      const recursive = await unlinkDirFileByExtname(fullSrc, extnames)
+
+      if (!recursive) {
+        console.error('Exception in unlinkDirFileByExtname: recursive!')
+
+        return false
+      }
+    }
+  }
+
+  return true
+}
+
+async function copyDir (src, target) {
+  if (!src || !target) {
+    console.warn('copyDir missing parameters!')
+
+    return false
+  }
+
+  const isClear = await clearDir(target)
+
+  if (!isClear) {
+    console.error('Exception in copyDir: isClear!')
+
+    return false
+  }
+
+  const paths = await readDir(src)
+  if (!paths) {
+    console.error('Exception in copyDir: paths!')
+
+    return false
+  }
+
+  for (let i = 0; i < paths.length; i++) {
+    const fullSrc = src + '/' + paths[i]
+    const fullTarget = target + '/' + paths[i]
+    const stats = await stat(fullSrc)
+
+    if (!stats) {
+      console.error('Exception in copyDir: stats!')
+
+      return false
+    }
+
+    if (stats.isFile()) {
+      fs.createReadStream(fullSrc).pipe(fs.createWriteStream(fullTarget))
+    } else if (stats.isDirectory()) {
+      const isMkdir = await mkdir(fullTarget)
+
+      if (!isMkdir) {
+        console.error('Exception in copyDir: isMkdir!')
+
+        return false
+      }
+
+      const isCopy = await copyDir(fullSrc, fullTarget)
+
+      if (!isCopy) {
+        console.error('Exception in copyDir: isCopy!')
+
+        return false
+      }
+    }
+  }
+
+  return true
+}
+
+async function fileForEach (src, callback) {
+  if (!src || !callback) {
+    console.warn('fileForEach missing parameters!')
+
+    return false
+  }
+
+  const paths = await readDir(src)
+  if (!paths) {
+    console.error('Exception in fileForEach: paths!')
+
+    return false
+  }
+
+  for (let i = 0; i < paths.length; i++) {
+    const fullSrc = src + '/' + paths[i]
+    const stats = await stat(fullSrc)
+
+    if (!stats) {
+      console.error('Exception in fileForEach: stats!')
+
+      return false
+    }
+
+    if (stats.isFile()) {
+      await callback(fullSrc)
+    } else if (stats.isDirectory()) {
+      const recursive = await fileForEach(fullSrc, callback)
+
+      if (!recursive) {
+        console.error('Exception in fileForEach: recursive!')
+
+        return false
+      }
+    }
+  }
+
+  return true
+}
+
+module.exports = {
+  readDir,
+  stat,
+  mkdir,
+  clearDir,
+  emptyDir,
+  unlinkDirFileByExtname,
+  copyDir,
+  fileForEach
+}

publish/plugin/print.js

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+const print = {
+  log (info) {
+    console.log(info)
+  },
+  warn (info) {
+    console.log('\033[31;33m' + info)
+  },
+  error (info) {
+    console.log('\033[31;30m' + info)
+  },
+  tip (info) {
+    console.log('\033[40;32m' + info)
+  },
+  success (info) {
+    console.log('\033[42;30m' + info)
+  }
+}
+
+module.exports = {
+  print
+}