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