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Diffstat (limited to 'deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/mississippi/node_modules/stream-each/index.js')
-rw-r--r--deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/mississippi/node_modules/stream-each/index.js58
1 files changed, 58 insertions, 0 deletions
diff --git a/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/mississippi/node_modules/stream-each/index.js b/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/mississippi/node_modules/stream-each/index.js
new file mode 100644
index 0000000000..7e67f7337a
--- /dev/null
+++ b/deps/npm/node_modules/pacote/node_modules/make-fetch-happen/node_modules/mississippi/node_modules/stream-each/index.js
@@ -0,0 +1,58 @@
+var eos = require('end-of-stream')
+var shift = require('stream-shift')
+
+module.exports = each
+
+function each (stream, fn, cb) {
+ var want = true
+ var error = null
+ var ended = false
+ var running = false
+ var calling = false
+
+ stream.on('readable', onreadable)
+ onreadable()
+
+ if (cb) eos(stream, {readable: true, writable: false}, done)
+ return stream
+
+ function done (err) {
+ if (!error) error = err
+ ended = true
+ if (!running) cb(error)
+ }
+
+ function onreadable () {
+ if (want) read()
+ }
+
+ function afterRead (err) {
+ running = false
+
+ if (err) {
+ error = err
+ if (ended) return cb(error)
+ stream.destroy(err)
+ return
+ }
+ if (ended) return cb(error)
+ if (!calling) read()
+ }
+
+ function read () {
+ while (!running && !ended) {
+ want = false
+
+ var data = shift(stream)
+ if (data === null) {
+ want = true
+ return
+ }
+
+ running = true
+ calling = true
+ fn(data, afterRead)
+ calling = false
+ }
+ }
+}