1 files changed, 43 insertions, 12 deletions

diff --git a/deps/npm/node_modules/minipass/index.js b/deps/npm/node_modules/minipass/index.js
index 5d45de8d39..97b23068c9 100644
--- a/deps/npm/node_modules/minipass/index.js
+++ b/deps/npm/node_modules/minipass/index.js
@@ -8,7 +8,8 @@ const proc =
       }
 const EE = require('events')
 const Stream = require('stream')
-const SD = require('string_decoder').StringDecoder
+const stringdecoder = require('string_decoder')
+const SD = stringdecoder.StringDecoder
 
 const EOF = Symbol('EOF')
 const MAYBE_EMIT_END = Symbol('maybeEmitEnd')
@@ -38,6 +39,9 @@ const EMITDATA = Symbol('emitData')
 const EMITEND = Symbol('emitEnd')
 const EMITEND2 = Symbol('emitEnd2')
 const ASYNC = Symbol('async')
+const ABORT = Symbol('abort')
+const ABORTED = Symbol('aborted')
+const SIGNAL = Symbol('signal')
 
 const defer = fn => Promise.resolve().then(fn)
 
@@ -93,7 +97,7 @@ class PipeProxyErrors extends Pipe {
   }
 }
 
-module.exports = class Minipass extends Stream {
+class Minipass extends Stream {
   constructor(options) {
     super()
     this[FLOWING] = false
@@ -122,6 +126,14 @@ module.exports = class Minipass extends Stream {
     if (options && options.debugExposePipes === true) {
       Object.defineProperty(this, 'pipes', { get: () => this[PIPES] })
     }
+    this[SIGNAL] = options && options.signal
+    this[ABORTED] = false
+    if (this[SIGNAL]) {
+      this[SIGNAL].addEventListener('abort', () => this[ABORT]())
+      if (this[SIGNAL].aborted) {
+        this[ABORT]()
+      }
+    }
   }
 
   get bufferLength() {
@@ -168,7 +180,20 @@ module.exports = class Minipass extends Stream {
     this[ASYNC] = this[ASYNC] || !!a
   }
 
+  // drop everything and get out of the flow completely
+  [ABORT]() {
+    this[ABORTED] = true
+    this.emit('abort', this[SIGNAL].reason)
+    this.destroy(this[SIGNAL].reason)
+  }
+
+  get aborted() {
+    return this[ABORTED]
+  }
+  set aborted(_) {}
+
   write(chunk, encoding, cb) {
+    if (this[ABORTED]) return false
     if (this[EOF]) throw new Error('write after end')
 
     if (this[DESTROYED]) {
@@ -342,21 +367,20 @@ module.exports = class Minipass extends Stream {
   }
 
   [BUFFERSHIFT]() {
-    if (this[BUFFER].length) {
-      if (this[OBJECTMODE]) this[BUFFERLENGTH] -= 1
-      else this[BUFFERLENGTH] -= this[BUFFER][0].length
-    }
+    if (this[OBJECTMODE]) this[BUFFERLENGTH] -= 1
+    else this[BUFFERLENGTH] -= this[BUFFER][0].length
     return this[BUFFER].shift()
   }
 
   [FLUSH](noDrain) {
-    do {} while (this[FLUSHCHUNK](this[BUFFERSHIFT]()))
+    do {} while (this[FLUSHCHUNK](this[BUFFERSHIFT]()) && this[BUFFER].length)
 
     if (!noDrain && !this[BUFFER].length && !this[EOF]) this.emit('drain')
   }
 
   [FLUSHCHUNK](chunk) {
-    return chunk ? (this.emit('data', chunk), this.flowing) : false
+    this.emit('data', chunk)
+    return this.flowing
   }
 
   pipe(dest, opts) {
@@ -437,7 +461,7 @@ module.exports = class Minipass extends Stream {
     if (ev !== 'error' && ev !== 'close' && ev !== DESTROYED && this[DESTROYED])
       return
     else if (ev === 'data') {
-      return !data
+      return !this[OBJECTMODE] && !data
         ? false
         : this[ASYNC]
         ? defer(() => this[EMITDATA](data))
@@ -454,7 +478,10 @@ module.exports = class Minipass extends Stream {
     } else if (ev === 'error') {
       this[EMITTED_ERROR] = data
       super.emit(ERROR, data)
-      const ret = super.emit('error', data)
+      const ret =
+        !this[SIGNAL] || this.listeners('error').length
+          ? super.emit('error', data)
+          : false
       this[MAYBE_EMIT_END]()
       return ret
     } else if (ev === 'resume') {
@@ -659,8 +686,12 @@ module.exports = class Minipass extends Stream {
       (s instanceof Minipass ||
         s instanceof Stream ||
         (s instanceof EE &&
-          (typeof s.pipe === 'function' || // readable
-            (typeof s.write === 'function' && typeof s.end === 'function')))) // writable
+          // readable
+          (typeof s.pipe === 'function' ||
+            // writable
+            (typeof s.write === 'function' && typeof s.end === 'function'))))
     )
   }
 }
+
+module.exports = Minipass