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Mini Shell
Mini Shell
'use strict'
const { inspect } = require('util')
// adapted from node's internal/errors
// https://github.com/nodejs/node/blob/c8a04049/lib/internal/errors.js
// close copy of node's internal SystemError class.
class SystemError {
constructor (code, prefix, context) {
// XXX context.code is undefined in all constructors used in cp/polyfill
// that may be a bug copied from node, maybe the constructor should use
// `code` not `errno`? nodejs/node#41104
let message = `${prefix}: ${context.syscall} returned ` +
`${context.code} (${context.message})`
if (context.path !== undefined) {
message += ` ${context.path}`
}
if (context.dest !== undefined) {
message += ` => ${context.dest}`
}
this.code = code
Object.defineProperties(this, {
name: {
value: 'SystemError',
enumerable: false,
writable: true,
configurable: true,
},
message: {
value: message,
enumerable: false,
writable: true,
configurable: true,
},
info: {
value: context,
enumerable: true,
configurable: true,
writable: false,
},
errno: {
get () {
return context.errno
},
set (value) {
context.errno = value
},
enumerable: true,
configurable: true,
},
syscall: {
get () {
return context.syscall
},
set (value) {
context.syscall = value
},
enumerable: true,
configurable: true,
},
})
if (context.path !== undefined) {
Object.defineProperty(this, 'path', {
get () {
return context.path
},
set (value) {
context.path = value
},
enumerable: true,
configurable: true,
})
}
if (context.dest !== undefined) {
Object.defineProperty(this, 'dest', {
get () {
return context.dest
},
set (value) {
context.dest = value
},
enumerable: true,
configurable: true,
})
}
}
toString () {
return `${this.name} [${this.code}]: ${this.message}`
}
[Symbol.for('nodejs.util.inspect.custom')] (_recurseTimes, ctx) {
return inspect(this, {
...ctx,
getters: true,
customInspect: false,
})
}
}
function E (code, message) {
module.exports[code] = class NodeError extends SystemError {
constructor (ctx) {
super(code, message, ctx)
}
}
}
E('ERR_FS_CP_DIR_TO_NON_DIR', 'Cannot overwrite directory with non-directory')
E('ERR_FS_CP_EEXIST', 'Target already exists')
E('ERR_FS_CP_EINVAL', 'Invalid src or dest')
E('ERR_FS_CP_FIFO_PIPE', 'Cannot copy a FIFO pipe')
E('ERR_FS_CP_NON_DIR_TO_DIR', 'Cannot overwrite non-directory with directory')
E('ERR_FS_CP_SOCKET', 'Cannot copy a socket file')
E('ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY', 'Cannot overwrite symlink in subdirectory of self')
E('ERR_FS_CP_UNKNOWN', 'Cannot copy an unknown file type')
E('ERR_FS_EISDIR', 'Path is a directory')
module.exports.ERR_INVALID_ARG_TYPE = class ERR_INVALID_ARG_TYPE extends Error {
constructor (name, expected, actual) {
super()
this.code = 'ERR_INVALID_ARG_TYPE'
this.message = `The ${name} argument must be ${expected}. Received ${typeof actual}`
}
}
Zerion Mini Shell 1.0