CopyPasteKiller Plugin

Sublime text 3 plugin to help to refactor duplicated code.

This command sets snippets for "Find and Replace" with regular expression.
You can find any code blocks without caring about indentation and some differences like variable names.
You can replace those matches with refactored code by changing the given 'replace_string' and hitting "Replace".

Usage:

You can declare shortcut like:

{ "keys": ["ctrl+shift+i"], "command": "copy_paste_killer" }

Guide

Select lines

Run "copy_paste_killer" command

The snippets for "Find" and "Replace" are set

You could configure whether to open panels or not with settings keep_panels_open

Change the snippet for "Find"

Find parts which have variations(e.g. variable name) in the snippet for "Find" and select them

Replace variables with Regex

Replace variable name parts with Regex in the snippet for "Find"
You can name regex groups as you want

The typical format to name regex group is (?<name>.*)

Copy the snippet into "Find:"
“Select All ⌘A” -> “Use Selection for Find ⌘E”

Hit "Find" and confirm matches

You can find duplicated codes even if they have different indents and different variable names

Change the snippet for "Replace"

Change the snippet for "Replace" using regex groups named in "Find"
The format is $+{name}

Copy the snippet into "Replace:"
"Select All ⌘A" -> "Use Selection for Replace ⇧⌘E"

Hit "Replace" and confirm changes

Hit "Replace" and confirm if changes are expected

Check changes

Check changes with git diff

Reset(Undo) changes with git checkout etc if replacements were wrong

Settings

keep_panels_open (default true) - Configure whether to open panels for snippets or not

Test

UnitTesting plugin

Use UnitTesting plugin

• Open tests/test_copy_paste_killer_selection_converter.py
• Open "Command Palette..." (⇧⌘P)
• Run "UnitTesting: Test Current File"

Test scenarios

• "tests/data/*_source.txt" -> Expected snippet for selection
• "tests/data/*_find.txt" -> Expected snippet for find_string
• "tests/data/*_replace.txt" -> Expected snippet for replace_string

Manual testing

Any selection shouldn't change with "copy_paste_killer" command and "Find" and "Replace" when replace_string isn't changed.