* exchange var for const of require statements Changed decleration of import files from var to const in interface.js * Fixed all areas where var was used as well as use destructing assignment for CONST imports. * Fixed import const statement * Added changes from let to const in certain lines
This commit is contained in:
Brandon Wissmann
David Humphrey
parent
701849eb5a
commit
3b4bf42604
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@ -1,30 +1,35 @@
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var { promisify } = require('es6-promisify');
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'use strict';
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var Path = require('../path.js');
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var nop = require('../shared.js').nop;
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const { promisify } = require('es6-promisify');
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var Constants = require('../constants.js');
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var FILE_SYSTEM_NAME = Constants.FILE_SYSTEM_NAME;
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var FS_FORMAT = Constants.FS_FORMAT;
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var FS_READY = Constants.FS_READY;
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var FS_PENDING = Constants.FS_PENDING;
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var FS_ERROR = Constants.FS_ERROR;
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var FS_NODUPEIDCHECK = Constants.FS_NODUPEIDCHECK;
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const Path = require('../path.js');
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var providers = require('../providers/index.js');
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const providers = require('../providers/index.js');
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var Shell = require('../shell/shell.js');
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var Intercom = require('../../lib/intercom.js');
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var FSWatcher = require('../fs-watcher.js');
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var Errors = require('../errors.js');
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var defaultGuidFn = require('../shared.js').guid;
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const Shell = require('../shell/shell.js');
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const Intercom = require('../../lib/intercom.js');
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const FSWatcher = require('../fs-watcher.js');
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const Errors = require('../errors.js');
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const {
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nop,
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guid: defaultGuidFn
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} = require('../shared.js');
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var STDIN = Constants.STDIN;
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var STDOUT = Constants.STDOUT;
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var STDERR = Constants.STDERR;
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const {
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fsConstants,
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FILE_SYSTEM_NAME,
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FS_FORMAT,
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FS_READY,
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FS_PENDING,
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FS_ERROR,
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FS_NODUPEIDCHECK,
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STDIN,
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STDOUT,
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STDERR
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} = require('../constants.js');
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// The core fs operations live on impl
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var impl = require('./implementation.js');
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const impl = require('./implementation.js');
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// node.js supports a calling pattern that leaves off a callback.
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function maybeCallback(callback) {
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@ -58,10 +63,10 @@ function toPathIfFileURL(fileURLOrPath) {
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throw new Errors.EINVAL('only file: URLs are supported for paths', fileURLOrPath);
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}
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var pathname = fileURLOrPath.pathname;
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for (var n = 0; n < pathname.length; n++) {
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const pathname = fileURLOrPath.pathname;
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for (let n = 0; n < pathname.length; n++) {
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if (pathname[n] === '%') {
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var third = pathname.codePointAt(n + 2) | 0x20;
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const third = pathname.codePointAt(n + 2) | 0x20;
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if (pathname[n + 1] === '2' && third === 102) {
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throw new Errors.EINVAL('file: URLs must not include encoded / characters', fileURLOrPath);
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}
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@ -87,12 +92,12 @@ function validatePath(path, allowRelative) {
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}
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function processPathArg(args, idx, allowRelative) {
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var path = args[idx];
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let path = args[idx];
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path = toPathIfFileURL(path);
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path = toPathIfBuffer(path);
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// Some methods specifically allow for rel paths (eg symlink with srcPath)
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var err = validatePath(path, allowRelative);
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let err = validatePath(path, allowRelative);
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if (err) {
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throw err;
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}
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@ -133,14 +138,14 @@ function FileSystem(options, callback) {
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options = options || {};
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callback = callback || defaultCallback;
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var flags = options.flags || [];
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var guid = options.guid ? options.guid : defaultGuidFn;
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var provider = options.provider || new providers.Default(options.name || FILE_SYSTEM_NAME);
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const flags = options.flags || [];
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const guid = options.guid ? options.guid : defaultGuidFn;
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const provider = options.provider || new providers.Default(options.name || FILE_SYSTEM_NAME);
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// If we're given a provider, match its name unless we get an explicit name
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var name = options.name || provider.name;
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var forceFormatting = flags.includes(FS_FORMAT);
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const name = options.name || provider.name;
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const forceFormatting = flags.includes(FS_FORMAT);
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var fs = this;
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const fs = this;
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fs.readyState = FS_PENDING;
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fs.name = name;
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fs.error = null;
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@ -150,20 +155,20 @@ function FileSystem(options, callback) {
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fs.stderr = STDERR;
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// Expose Node's fs.constants to users
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fs.constants = Constants.fsConstants;
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fs.constants = fsConstants;
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// Node also forwards the access mode flags onto fs
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fs.F_OK = Constants.fsConstants.F_OK;
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fs.R_OK = Constants.fsConstants.R_OK;
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fs.W_OK = Constants.fsConstants.W_OK;
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fs.X_OK = Constants.fsConstants.X_OK;
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fs.F_OK = fsConstants.F_OK;
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fs.R_OK = fsConstants.R_OK;
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fs.W_OK = fsConstants.W_OK;
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fs.X_OK = fsConstants.X_OK;
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// Expose Shell constructor
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this.Shell = Shell.bind(undefined, this);
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// Safely expose the operation queue
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var queue = [];
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let queue = [];
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this.queueOrRun = function (operation) {
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var error;
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let error;
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if (FS_READY === fs.readyState) {
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operation.call(fs);
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@ -194,7 +199,7 @@ function FileSystem(options, callback) {
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options = options || {};
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listener = listener || nop;
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var watcher = new FSWatcher();
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const watcher = new FSWatcher();
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watcher.start(filename, false, options.recursive);
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watcher.on('change', listener);
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@ -212,7 +217,7 @@ function FileSystem(options, callback) {
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// Otherwise (default) make sure this id is unused first
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function guidWithCheck(callback) {
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var id = guid();
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const id = guid();
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context.getObject(id, function (err, value) {
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if (err) {
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callback(err);
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@ -237,7 +242,7 @@ function FileSystem(options, callback) {
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if (!changes.length) {
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return;
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}
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var intercom = Intercom.getInstance();
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const intercom = Intercom.getInstance();
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changes.forEach(function (change) {
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intercom.emit(change.event, change.path);
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});
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@ -247,7 +252,7 @@ function FileSystem(options, callback) {
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provider.open(function (err) {
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function complete(error) {
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function wrappedContext(methodName) {
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var context = provider[methodName]();
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let context = provider[methodName]();
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context.name = name;
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context.flags = flags;
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context.changes = [];
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@ -255,7 +260,7 @@ function FileSystem(options, callback) {
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// When the context is finished, let the fs deal with any change events
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context.close = function () {
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var changes = context.changes;
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let changes = context.changes;
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broadcastChanges(changes);
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changes.length = 0;
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};
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@ -289,7 +294,7 @@ function FileSystem(options, callback) {
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return complete(err);
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}
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var context = provider.getReadWriteContext();
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const context = provider.getReadWriteContext();
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context.guid = wrappedGuidFn(context);
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// Mount the filesystem, formatting if necessary
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@ -364,18 +369,18 @@ function FileSystem(options, callback) {
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{ name: 'writeFile', promises: true, absPathArgs: [0] },
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{ name: 'write' }
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].forEach(function (method) {
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var methodName = method.name;
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var shouldPromisify = method.promises === true;
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const methodName = method.name;
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const shouldPromisify = method.promises === true;
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FileSystem.prototype[methodName] = function () {
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var fs = this;
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var args = Array.prototype.slice.call(arguments, 0);
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var lastArgIndex = args.length - 1;
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const fs = this;
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const args = Array.prototype.slice.call(arguments, 0);
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const lastArgIndex = args.length - 1;
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// We may or may not get a callback, and since node.js supports
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// fire-and-forget style fs operations, we have to dance a bit here.
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var missingCallback = typeof args[lastArgIndex] !== 'function';
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var callback = maybeCallback(args[lastArgIndex]);
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const missingCallback = typeof args[lastArgIndex] !== 'function';
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const callback = maybeCallback(args[lastArgIndex]);
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// Deal with path arguments, validating and normalizing Buffer and file:// URLs
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if (method.absPathArgs) {
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@ -385,13 +390,13 @@ function FileSystem(options, callback) {
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method.relPathArgs.forEach(pathArg => processPathArg(args, pathArg, true));
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}
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var error = fs.queueOrRun(function() {
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var context = fs.provider.openReadWriteContext();
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const error = fs.queueOrRun(function () {
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const context = fs.provider.openReadWriteContext();
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// Fail early if the filesystem is in an error state (e.g.,
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// provider failed to open.
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if (FS_ERROR === fs.readyState) {
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var err = new Errors.EFILESYSTEMERROR('filesystem unavailable, operation canceled');
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const err = new Errors.EFILESYSTEMERROR('filesystem unavailable, operation canceled');
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return callback.call(fs, err);
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}
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@ -411,7 +416,7 @@ function FileSystem(options, callback) {
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// Forward this call to the impl's version, using the following
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// call signature, with complete() as the callback/last-arg now:
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// fn(fs, context, arg0, arg1, ... , complete);
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var fnArgs = [context].concat(args);
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const fnArgs = [context].concat(args);
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impl[methodName].apply(null, fnArgs);
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});
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if (error) {
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