Add node_modules

node_modules/fs-extra/lib/fs/index.js

@@ -0,0 +1,128 @@
+'use strict'
+// This is adapted from https://github.com/normalize/mz
+// Copyright (c) 2014-2016 Jonathan Ong me@jongleberry.com and Contributors
+const u = require('universalify').fromCallback
+const fs = require('graceful-fs')
+
+const api = [
+  'access',
+  'appendFile',
+  'chmod',
+  'chown',
+  'close',
+  'copyFile',
+  'fchmod',
+  'fchown',
+  'fdatasync',
+  'fstat',
+  'fsync',
+  'ftruncate',
+  'futimes',
+  'lchmod',
+  'lchown',
+  'link',
+  'lstat',
+  'mkdir',
+  'mkdtemp',
+  'open',
+  'opendir',
+  'readdir',
+  'readFile',
+  'readlink',
+  'realpath',
+  'rename',
+  'rm',
+  'rmdir',
+  'stat',
+  'symlink',
+  'truncate',
+  'unlink',
+  'utimes',
+  'writeFile'
+].filter(key => {
+  // Some commands are not available on some systems. Ex:
+  // fs.opendir was added in Node.js v12.12.0
+  // fs.rm was added in Node.js v14.14.0
+  // fs.lchown is not available on at least some Linux
+  return typeof fs[key] === 'function'
+})
+
+// Export cloned fs:
+Object.assign(exports, fs)
+
+// Universalify async methods:
+api.forEach(method => {
+  exports[method] = u(fs[method])
+})
+
+// We differ from mz/fs in that we still ship the old, broken, fs.exists()
+// since we are a drop-in replacement for the native module
+exports.exists = function (filename, callback) {
+  if (typeof callback === 'function') {
+    return fs.exists(filename, callback)
+  }
+  return new Promise(resolve => {
+    return fs.exists(filename, resolve)
+  })
+}
+
+// fs.read(), fs.write(), & fs.writev() need special treatment due to multiple callback args
+
+exports.read = function (fd, buffer, offset, length, position, callback) {
+  if (typeof callback === 'function') {
+    return fs.read(fd, buffer, offset, length, position, callback)
+  }
+  return new Promise((resolve, reject) => {
+    fs.read(fd, buffer, offset, length, position, (err, bytesRead, buffer) => {
+      if (err) return reject(err)
+      resolve({ bytesRead, buffer })
+    })
+  })
+}
+
+// Function signature can be
+// fs.write(fd, buffer[, offset[, length[, position]]], callback)
+// OR
+// fs.write(fd, string[, position[, encoding]], callback)
+// We need to handle both cases, so we use ...args
+exports.write = function (fd, buffer, ...args) {
+  if (typeof args[args.length - 1] === 'function') {
+    return fs.write(fd, buffer, ...args)
+  }
+
+  return new Promise((resolve, reject) => {
+    fs.write(fd, buffer, ...args, (err, bytesWritten, buffer) => {
+      if (err) return reject(err)
+      resolve({ bytesWritten, buffer })
+    })
+  })
+}
+
+// fs.writev only available in Node v12.9.0+
+if (typeof fs.writev === 'function') {
+  // Function signature is
+  // s.writev(fd, buffers[, position], callback)
+  // We need to handle the optional arg, so we use ...args
+  exports.writev = function (fd, buffers, ...args) {
+    if (typeof args[args.length - 1] === 'function') {
+      return fs.writev(fd, buffers, ...args)
+    }
+
+    return new Promise((resolve, reject) => {
+      fs.writev(fd, buffers, ...args, (err, bytesWritten, buffers) => {
+        if (err) return reject(err)
+        resolve({ bytesWritten, buffers })
+      })
+    })
+  }
+}
+
+// fs.realpath.native sometimes not available if fs is monkey-patched
+if (typeof fs.realpath.native === 'function') {
+  exports.realpath.native = u(fs.realpath.native)
+} else {
+  process.emitWarning(
+    'fs.realpath.native is not a function. Is fs being monkey-patched?',
+    'Warning', 'fs-extra-WARN0003'
+  )
+}