Performance-DoubleStartEndWith.md

Pattern: Use of double #start_with?/#end_with?

Issue: -

Description

This rule checks for double #start_with? or #end_with? calls separated by ||. In some cases such calls can be replaced with an single #start_with?/#end_with? call.

Examples

# bad
str.start_with?("a") || str.start_with?(Some::CONST)
str.start_with?("a", "b") || str.start_with?("c")
var1 = ...
var2 = ...
str.end_with?(var1) || str.end_with?(var2)

# good
str.start_with?("a", Some::CONST)
str.start_with?("a", "b", "c")
var1 = ...
var2 = ...
str.end_with?(var1, var2)

Default configuration

Attribute	Value
IncludeActiveSupportAliases	false

Further Reading

• RuboCop - Performance/DoubleStartEndWith