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current/benchmark/net/net-s2c.js

Summary

Maintainability
F
4 days
Test Coverage

Function main has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Open

function main({ dur, sendchunklen, type, recvbuflen, recvbufgenfn }) {
  if (isFinite(recvbuflen) && recvbuflen > 0)
    recvbuf = Buffer.alloc(recvbuflen);

  switch (type) {
Severity: Minor
Found in current/benchmark/net/net-s2c.js - About 35 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Identical blocks of code found in 2 locations. Consider refactoring.
Open

function main({ dur, sendchunklen, type, recvbuflen, recvbufgenfn }) {
  if (isFinite(recvbuflen) && recvbuflen > 0)
    recvbuf = Buffer.alloc(recvbuflen);

  switch (type) {
Severity: Major
Found in current/benchmark/net/net-s2c.js and 1 other location - About 3 days to fix
lts/benchmark/net/net-s2c.js on lines 22..94

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 543.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 2 locations. Consider refactoring.
Open

const bench = common.createBenchmark(main, {
  sendchunklen: [256, 32 * 1024, 128 * 1024, 16 * 1024 * 1024],
  type: ['utf', 'asc', 'buf'],
  recvbuflen: [0, 64 * 1024, 1024 * 1024],
  recvbufgenfn: ['true', 'false'],
Severity: Major
Found in current/benchmark/net/net-s2c.js and 1 other location - About 3 hrs to fix
lts/benchmark/net/net-s2c.js on lines 7..15

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 97.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 8 locations. Consider refactoring.
Open

function flow() {
  const dest = this.dest;
  const res = dest.write(chunk, encoding);
  if (!res)
    dest.once('drain', this.flow);
Severity: Major
Found in current/benchmark/net/net-s2c.js and 7 other locations - About 1 hr to fix
current/benchmark/net/net-c2s.js on lines 84..91
current/benchmark/net/net-pipe.js on lines 87..94
current/benchmark/net/net-wrap-js-stream-passthrough.js on lines 79..86
lts/benchmark/net/net-c2s.js on lines 84..91
lts/benchmark/net/net-pipe.js on lines 87..94
lts/benchmark/net/net-s2c.js on lines 120..127
lts/benchmark/net/net-wrap-js-stream-passthrough.js on lines 79..86

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 73.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 2 locations. Consider refactoring.
Open

Writer.prototype.write = function(chunk, encoding, cb) {
  received += chunk.length;

  if (typeof encoding === 'function')
    encoding();
Severity: Major
Found in current/benchmark/net/net-s2c.js and 1 other location - About 1 hr to fix
lts/benchmark/net/net-s2c.js on lines 102..111

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 72.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Identical blocks of code found in 8 locations. Consider refactoring.
Open

Reader.prototype.pipe = function(dest) {
  this.dest = dest;
  this.flow();
  return dest;
};
Severity: Major
Found in current/benchmark/net/net-s2c.js and 7 other locations - About 30 mins to fix
current/benchmark/net/net-c2s.js on lines 98..102
current/benchmark/net/net-pipe.js on lines 101..105
current/benchmark/net/net-wrap-js-stream-passthrough.js on lines 93..97
lts/benchmark/net/net-c2s.js on lines 98..102
lts/benchmark/net/net-pipe.js on lines 101..105
lts/benchmark/net/net-s2c.js on lines 134..138
lts/benchmark/net/net-wrap-js-stream-passthrough.js on lines 93..97

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 45.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

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