add --prune-wordlists option

.rubocop.yml

@@ -158,6 +158,9 @@ RSpec/MultipleExpectations:
 RSpec/NamedSubject:
   Enabled: false
 
+RSpec/NestedGroups:
+  Enabled: false
+
 
 # This matches the style we've been using all along (ever so slightly more frequently)
 Style/Alias:

.spellr_wordlists/english.txt

@@ -1,59 +1,41 @@
-abc
-addable
 alnum
-arg
 arglist
-args
 backports
 baz
 behaviour
 beihang
-bundler
 capfile
 changelog
-charpos
 cli
-cmd
 codebase
-codebases
 colours
 config
 configs
-css
 ctrl
 customisations
 cyclomatic
-def
 desaturate
-dict
 diffable
-diffs
-docker
 dockerfile
 dockerhub
 dockerignore
-downloader
 editmsg
 elp
+entrya
+entryb
+entryc
+entryd
+entrye
+entryf
+entryg
 env
-eos
 eot
 eplace
 erb
 ercim
 esque
-exclusions
-exe
-executables
-exitstatus
-ext
-filename
-filenames
-foo
 gemfile
 gemspec
-getch
-git
 github
 gitignore
 gitignored
@@ -64,104 +46,66 @@ gtm
 haml
 hardcoded
 hashbang
-hashbangs
-hashbangs
-heuristically
 hml
 hostnames
-href
 htt
 hyperwallet
 i'll
 i'm
 ico
-inclusions
 ise
 ize
 javascript
 jbuilder
 jpg
-jruby
 json
 jsx
 keio
 keydata
 keypress
 khz
 klass
-kwargs
 localhost
 logstash
-lstripped
-mailto
-marketplacer
-matcher
-matchers
 maths
 mdn
 memoized
-merchantability
 multibyte
-multiline
-newlines
 noninfringement
-nonwords
 notaword
 num
-optparse
-org
-param
 params
 png
 prg
-punycode
 pwd
 rakefile
 rdoc
 readme
-redisplay
 regexps
-repo
 rspec
 rubocop
 rubygems
 rvm
 scss
 sendgrid
-shelljoin
-shellsplit
-shellwords
 sherson
 simplecov
-stderr
-stdin
 stdlib
-stdout
-str
-stringscanner
-strscan
-struct
-sublicense
-subwords
+subcommand
 sudo
 superselector
 svg
 symlinks
-thu
 tlds
 tmp
 todo
-tokenize
 tokenizer
 tokenizes
 tsx
 ttf
 txt
 unitless
-unrecognised
-unscan
 uploader
-uri
 urls
 usr
 utf
@@ -170,12 +114,9 @@ wai
 webpack
 woff
 wordlist
-wordlists
 wordn't
 wtf
-xdescribe
 xit
 xlsx
-yardoc
 yml
 zsh

.spellr_wordlists/lorem.txt

@@ -1,8 +1,5 @@
 amet
 dolar
 dolares
-dolor
-elp
-eplace
 ipsum
 lorem

.spellr_wordlists/ruby.txt

@@ -1,11 +1,5 @@
 cov
-kwarg
-matchdata
 nocov
 nokogiri
-pty
 rubo
-simplecov
-subclasses
-vars
 webmock

CHANGELOG.md

@@ -1,5 +1,8 @@
+# v0.10.0
+- add `spellr --prune-wordlists` to remove unused terms.
+
 # v0.9.1
-- Assume all files are utf8, more comprehensively. (Sets ::Encoding.default_external and default_internal while running)
+- Assume all files are utf8, more comprehensively. (Sets `::Encoding.default_external` and `.default_internal` while running)
 
 # v0.9.0
 - Recognize url with _ in query string and zero length path

README.md

@@ -77,6 +77,7 @@ $ spellr --wordlist '*.rb' '*_test.js'
 There are some support commands available:
 
 ```bash
+$ spellr --prune-wordlists # after succeeding, remove unused words from the .spellr_wordlists/ files
 $ spellr --dry-run # list files that will be checked
 $ spellr --version # for the current version
 $ spellr --help # for the list of flags available

lib/spellr/cli.rb

@@ -13,26 +13,33 @@ def initialize(argv)
     end
 
     def run
-      catch(:spellr_exit) { check }
+      catch(:spellr_exit) { run_subcommand }
     rescue Spellr::Error => e
-      Spellr.config.output.warn(Spellr::StringFormat.red(e.message)) && 1
+      Spellr.config.output.warn(Spellr::StringFormat.red(e.message))
       1
     end
 
     private
 
-    def check
+    def run_subcommand
       CLI::Options.parse(@argv)
       Spellr.config.valid?
-      checker = Spellr.config.checker.new(files: files)
+      exit_code = check
+      exit_code = prune if exit_code.zero? && Spellr.config.prune_wordlists?
+      exit_code
+    end
+
+    def check
+      checker = Spellr.config.checker.new(files: Spellr.config.file_list)
       checker.check
 
       checker.exit_code
     end
 
-    def files
-      require_relative 'file_list'
-      Spellr::FileList.new(@argv)
+    def prune
+      require_relative 'prune'
+      Spellr.config.output.puts ''
+      Spellr::Prune.run
     end
   end
 end

lib/spellr/cli_options.rb

@@ -12,6 +12,8 @@ def parse(argv)
           @parallel_option = false
 
           options.parse!(argv)
+
+          Spellr.config.file_list_patterns = argv
         end
 
         private
@@ -20,17 +22,20 @@ def parse(argv)
         def options # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
           opts = OptionParser.new
 
-          opts.banner = 'Usage: spellr [options] [files]'
+          opts.banner = 'Usage: spellr [options] [file patterns]'
           opts.separator('')
           opts.on('-w', '--wordlist', 'Outputs errors in wordlist format', &method(:wordlist_option))
           opts.on('-q', '--quiet', 'Silences output', &method(:quiet_option))
           opts.on('-i', '--interactive', 'Runs the spell check interactively', &method(:interactive_option))
           opts.separator('')
           opts.on('--[no-]parallel', 'Run in parallel or not, default --parallel', &method(:parallel_option))
           opts.on('-d', '--dry-run', 'List files to be checked', &method(:dry_run_option))
-          opts.on('-f', '--suppress-file-rules', <<~HELP, &method(:suppress_file_rules))
+          opts.on('-f', '--suppress-file-rules', <<~HELP, &method(:suppress_file_rules_option))
             Suppress all configured, default, and gitignore include and exclude patterns
           HELP
+          opts.on('--prune-wordlists', <<~HELP, &method(:prune_wordlists_option))
+            Prune unused words from .spellr_wordlists/*.txt after checking.
+          HELP
           opts.separator('')
           opts.on('-c', '--config FILENAME', String, <<~HELP, &method(:config_option))
             Path to the config file (default ./.spellr.yml)
@@ -49,6 +54,8 @@ def wordlist_option(_)
 
         def quiet_option(_)
           require_relative 'quiet_reporter'
+          require_relative 'output_stubbed'
+          Spellr.config.output = Spellr::OutputStubbed.new
           Spellr.config.reporter = Spellr::QuietReporter.new
         end
 
@@ -59,10 +66,14 @@ def interactive_option(_)
           Spellr.config.checker = Spellr::CheckInteractive unless @parallel_option
         end
 
-        def suppress_file_rules(_)
+        def suppress_file_rules_option(_)
           Spellr.config.suppress_file_rules = true
         end
 
+        def prune_wordlists_option(_)
+          Spellr.config.prune_wordlists = true
+        end
+
         def config_option(file)
           file = Spellr.pwd.join(file).expand_path
 

lib/spellr/config.rb

@@ -10,12 +10,13 @@
 
 module Spellr
   class Config
-    attr_writer :reporter, :checker
+    attr_writer :reporter, :checker, :output
 
-    attr_accessor :suppress_file_rules, :dry_run
+    attr_accessor :suppress_file_rules, :dry_run, :prune_wordlists, :file_list_patterns
 
     attr_reader :config_file
     alias_method :dry_run?, :dry_run
+    alias_method :prune_wordlists?, :prune_wordlists
 
     def initialize
       @config = ConfigLoader.new
@@ -88,6 +89,13 @@ def reset! # rubocop:disable Metrics/MethodLength
       remove_instance_variable(:@key_minimum_length) if defined?(@key_minimum_length)
     end
 
+    def file_list
+      @file_list ||= begin
+        require_relative 'file_list'
+        Spellr::FileList.new(file_list_patterns)
+      end
+    end
+
     private
 
     def dry_run_checker