lib: use AbortError consistently

Signed-off-by: James M Snell <jasnell@gmail.com>
nodejs · Mar 11, 2021 · 7401105 · 7401105
1 parent 25985d6
commit 7401105
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Showing 4 changed files with 49 additions and 80 deletions.
diff --git a/lib/events.js b/lib/events.js
@@ -51,15 +51,14 @@ const kRejection = SymbolFor('nodejs.rejection');
 let spliceOne;
 
 const {
-  hideStackFrames,
+  AbortError,
   kEnhanceStackBeforeInspector,
-  codes
+  codes: {
+    ERR_INVALID_ARG_TYPE,
+    ERR_OUT_OF_RANGE,
+    ERR_UNHANDLED_ERROR
+  },
 } = require('internal/errors');
-const {
-  ERR_INVALID_ARG_TYPE,
-  ERR_OUT_OF_RANGE,
-  ERR_UNHANDLED_ERROR
-} = codes;
 
 const {
   inspect
@@ -76,14 +75,6 @@ const kMaxEventTargetListeners = Symbol('events.maxEventTargetListeners');
 const kMaxEventTargetListenersWarned =
   Symbol('events.maxEventTargetListenersWarned');
 
-let DOMException;
-const lazyDOMException = hideStackFrames((message, name) => {
-  if (DOMException === undefined)
-    DOMException = internalBinding('messaging').DOMException;
-  return new DOMException(message, name);
-});
-
-
 function EventEmitter(opts) {
   FunctionPrototypeCall(EventEmitter.init, this, opts);
 }
@@ -713,7 +704,7 @@ async function once(emitter, name, options = {}) {
   const signal = options?.signal;
   validateAbortSignal(signal, 'options.signal');
   if (signal?.aborted)
-    throw lazyDOMException('The operation was aborted', 'AbortError');
+    throw new AbortError();
   return new Promise((resolve, reject) => {
     const errorListener = (err) => {
       emitter.removeListener(name, resolver);
@@ -738,7 +729,7 @@ async function once(emitter, name, options = {}) {
     function abortListener() {
       eventTargetAgnosticRemoveListener(emitter, name, resolver);
       eventTargetAgnosticRemoveListener(emitter, 'error', errorListener);
-      reject(lazyDOMException('The operation was aborted', 'AbortError'));
+      reject(new AbortError());
     }
     if (signal != null) {
       eventTargetAgnosticAddListener(
@@ -783,9 +774,8 @@ function eventTargetAgnosticAddListener(emitter, name, listener, flags) {
 function on(emitter, event, options) {
   const signal = options?.signal;
   validateAbortSignal(signal, 'options.signal');
-  if (signal?.aborted) {
-    throw lazyDOMException('The operation was aborted', 'AbortError');
-  }
+  if (signal?.aborted)
+    throw new AbortError();
 
   const unconsumedEvents = [];
   const unconsumedPromises = [];
@@ -873,7 +863,7 @@ function on(emitter, event, options) {
   return iterator;
 
   function abortListener() {
-    errorHandler(lazyDOMException('The operation was aborted', 'AbortError'));
+    errorHandler(new AbortError());
   }
 
   function eventHandler(...args) {

diff --git a/lib/fs.js b/lib/fs.js
@@ -80,7 +80,7 @@ const {
     ERR_INVALID_ARG_TYPE,
     ERR_FEATURE_UNAVAILABLE_ON_PLATFORM,
   },
-  hideStackFrames,
+  AbortError,
   uvErrmapGet,
   uvException
 } = require('internal/errors');
@@ -148,13 +148,6 @@ let ReadStream;
 let WriteStream;
 let rimraf;
 let rimrafSync;
-let DOMException;
-
-const lazyDOMException = hideStackFrames((message, name) => {
-  if (DOMException === undefined)
-    DOMException = internalBinding('messaging').DOMException;
-  return new DOMException(message, name);
-});
 
 // These have to be separate because of how graceful-fs happens to do it's
 // monkeypatching.
@@ -324,6 +317,14 @@ function readFileAfterStat(err, stats) {
   context.read();
 }
 
+function checkAborted(signal, callback) {
+  if (signal?.aborted) {
+    callback(new AbortError());
+    return true;
+  }
+  return false;
+}
+
 function readFile(path, options, callback) {
   callback = maybeCallback(callback || options);
   options = getOptions(options, { flag: 'r' });
@@ -342,10 +343,8 @@ function readFile(path, options, callback) {
     return;
   }
 
-  if (options.signal?.aborted) {
-    callback(lazyDOMException('The operation was aborted', 'AbortError'));
+  if (checkAborted(options.signal, callback))
     return;
-  }
 
   const flagsNumber = stringToFlags(options.flag, 'options.flag');
   path = getValidatedPath(path);
@@ -1460,10 +1459,10 @@ function lutimesSync(path, atime, mtime) {
 function writeAll(fd, isUserFd, buffer, offset, length, signal, callback) {
   if (signal?.aborted) {
     if (isUserFd) {
-      callback(lazyDOMException('The operation was aborted', 'AbortError'));
+      callback(new AbortError());
     } else {
       fs.close(fd, function() {
-        callback(lazyDOMException('The operation was aborted', 'AbortError'));
+        callback(new AbortError());
       });
     }
     return;
@@ -1509,10 +1508,9 @@ function writeFile(path, data, options, callback) {
     return;
   }
 
-  if (options.signal?.aborted) {
-    callback(lazyDOMException('The operation was aborted', 'AbortError'));
+  if (checkAborted(options.signal, callback))
     return;
-  }
+
   fs.open(path, flag, options.mode, (openErr, fd) => {
     if (openErr) {
       callback(openErr);

diff --git a/lib/internal/fs/promises.js b/lib/internal/fs/promises.js
@@ -33,13 +33,15 @@ const {
 const binding = internalBinding('fs');
 const { Buffer } = require('buffer');
 
-const { codes, hideStackFrames } = require('internal/errors');
 const {
-  ERR_FS_FILE_TOO_LARGE,
-  ERR_INVALID_ARG_TYPE,
-  ERR_INVALID_ARG_VALUE,
-  ERR_METHOD_NOT_IMPLEMENTED,
-} = codes;
+  codes: {
+    ERR_FS_FILE_TOO_LARGE,
+    ERR_INVALID_ARG_TYPE,
+    ERR_INVALID_ARG_VALUE,
+    ERR_METHOD_NOT_IMPLEMENTED,
+  },
+  AbortError,
+} = require('internal/errors');
 const { isArrayBufferView } = require('internal/util/types');
 const { rimrafPromises } = require('internal/fs/rimraf');
 const {
@@ -93,13 +95,6 @@ const {
 const getDirectoryEntriesPromise = promisify(getDirents);
 const validateRmOptionsPromise = promisify(validateRmOptions);
 
-let DOMException;
-const lazyDOMException = hideStackFrames((message, name) => {
-  if (DOMException === undefined)
-    DOMException = internalBinding('messaging').DOMException;
-  return new DOMException(message, name);
-});
-
 class FileHandle extends EventEmitterMixin(JSTransferable) {
   constructor(filehandle) {
     super();
@@ -272,15 +267,18 @@ async function fsCall(fn, handle, ...args) {
   }
 }
 
+function checkAborted(signal) {
+  if (signal?.aborted)
+    throw new AbortError();
+}
+
 async function writeFileHandle(filehandle, data, signal) {
   // `data` could be any kind of typed array.
   data = new Uint8Array(data.buffer, data.byteOffset, data.byteLength);
   let remaining = data.length;
   if (remaining === 0) return;
   do {
-    if (signal?.aborted) {
-      throw lazyDOMException('The operation was aborted', 'AbortError');
-    }
+    checkAborted(signal);
     const { bytesWritten } =
       await write(filehandle, data, 0,
                   MathMin(kWriteFileMaxChunkSize, data.length));
@@ -296,14 +294,11 @@ async function writeFileHandle(filehandle, data, signal) {
 async function readFileHandle(filehandle, options) {
   const signal = options?.signal;
 
-  if (signal?.aborted) {
-    throw lazyDOMException('The operation was aborted', 'AbortError');
-  }
+  checkAborted(signal);
+
   const statFields = await binding.fstat(filehandle.fd, false, kUsePromises);
 
-  if (signal?.aborted) {
-    throw lazyDOMException('The operation was aborted', 'AbortError');
-  }
+  checkAborted(signal);
 
   let size;
   if ((statFields[1/* mode */] & S_IFMT) === S_IFREG) {
@@ -321,9 +316,7 @@ async function readFileHandle(filehandle, options) {
   const buffers = [];
   const fullBuffer = noSize ? undefined : Buffer.allocUnsafeSlow(size);
   do {
-    if (signal?.aborted) {
-      throw lazyDOMException('The operation was aborted', 'AbortError');
-    }
+    checkAborted(signal);
     let buffer;
     let offset;
     let length;
@@ -693,9 +686,7 @@ async function writeFile(path, data, options) {
   if (path instanceof FileHandle)
     return writeFileHandle(path, data, options.signal);
 
-  if (options.signal?.aborted) {
-    throw lazyDOMException('The operation was aborted', 'AbortError');
-  }
+  checkAborted(options.signal);
 
   const fd = await open(path, flag, options.mode);
   const { signal } = options;
@@ -716,9 +707,7 @@ async function readFile(path, options) {
   if (path instanceof FileHandle)
     return readFileHandle(path, options);
 
-  if (options.signal?.aborted) {
-    throw lazyDOMException('The operation was aborted', 'AbortError');
-  }
+  checkAborted(options.signal);
 
   const fd = await open(path, flag, 0o666);
   return PromisePrototypeFinally(readFileHandle(fd, options), fd.close);

diff --git a/lib/internal/fs/read_file_context.js b/lib/internal/fs/read_file_context.js
@@ -10,15 +10,9 @@ const { Buffer } = require('buffer');
 
 const { FSReqCallback, close, read } = internalBinding('fs');
 
-const { hideStackFrames } = require('internal/errors');
-
-
-let DOMException;
-const lazyDOMException = hideStackFrames((message, name) => {
-  if (DOMException === undefined)
-    DOMException = internalBinding('messaging').DOMException;
-  return new DOMException(message, name);
-});
+const {
+  AbortError,
+} = require('internal/errors');
 
 // Use 64kb in case the file type is not a regular file and thus do not know the
 // actual file size. Increasing the value further results in more frequent over
@@ -95,9 +89,7 @@ class ReadFileContext {
     let length;
 
     if (this.signal?.aborted) {
-      return this.close(
-        lazyDOMException('The operation was aborted', 'AbortError')
-      );
+      return this.close(new AbortError());
     }
     if (this.size === 0) {
       buffer = Buffer.allocUnsafeSlow(kReadFileUnknownBufferLength);