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Commit | Line | Data |
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0ab4d181 MD |
1 | # frozen_string_literal: true |
2 | ||
9be00a32 | 3 | require 'pronto' |
2950a68a | 4 | require 'shellwords' |
9be00a32 MM |
5 | |
6 | module Pronto | |
5001cb27 | 7 | class ESLintNpm < Runner |
1845f2e3 | 8 | CONFIG_FILE = '.pronto_eslint_npm.yml'.freeze |
12df00b5 | 9 | CONFIG_KEYS = %w[eslint_executable files_to_lint cmd_line_opts].freeze |
3403f9d1 | 10 | |
12df00b5 | 11 | attr_writer :eslint_executable, :cmd_line_opts |
1845f2e3 MD |
12 | |
13 | def eslint_executable | |
0ab4d181 | 14 | @eslint_executable || 'eslint' |
1845f2e3 MD |
15 | end |
16 | ||
17 | def files_to_lint | |
18 | @files_to_lint || /(\.js|\.es6)$/ | |
19 | end | |
20 | ||
12df00b5 | 21 | def cmd_line_opts |
22 | @cmd_line_opts || '' | |
23 | end | |
24 | ||
1845f2e3 MD |
25 | def files_to_lint=(regexp) |
26 | @files_to_lint = regexp.is_a?(Regexp) && regexp || Regexp.new(regexp) | |
27 | end | |
28 | ||
c89a62b8 MD |
29 | def config_options |
30 | @config_options ||= | |
31 | begin | |
32 | config_file = File.join(repo_path, CONFIG_FILE) | |
33 | File.exist?(config_file) && YAML.load_file(config_file) || {} | |
34 | end | |
35 | end | |
3403f9d1 | 36 | |
c89a62b8 MD |
37 | def read_config |
38 | config_options.each do |key, val| | |
39 | next unless CONFIG_KEYS.include?(key.to_s) | |
40 | send("#{key}=", val) | |
3403f9d1 MD |
41 | end |
42 | end | |
43 | ||
b338a7ad | 44 | def run |
1845f2e3 MD |
45 | return [] if !@patches || @patches.count.zero? |
46 | ||
47 | read_config | |
9be00a32 | 48 | |
3403f9d1 MD |
49 | @patches |
50 | .select { |patch| patch.additions > 0 } | |
9be00a32 MM |
51 | .select { |patch| js_file?(patch.new_file_full_path) } |
52 | .map { |patch| inspect(patch) } | |
53 | .flatten.compact | |
54 | end | |
55 | ||
3403f9d1 MD |
56 | private |
57 | ||
1845f2e3 | 58 | def repo_path |
c89a62b8 | 59 | @repo_path ||= @patches.first.repo.path |
1845f2e3 | 60 | end |
29509625 | 61 | |
1845f2e3 | 62 | def inspect(patch) |
156f8167 MD |
63 | offences = run_eslint(patch) |
64 | clean_up_eslint_output(offences) | |
65 | .map do |offence| | |
66 | patch | |
67 | .added_lines | |
68 | .select { |line| line.new_lineno == offence['line'] } | |
69 | .map { |line| new_message(offence, line) } | |
29509625 | 70 | end |
9be00a32 MM |
71 | end |
72 | ||
73 | def new_message(offence, line) | |
0ab4d181 | 74 | path = line.patch.delta.new_file[:path] |
9be00a32 MM |
75 | level = :warning |
76 | ||
b338a7ad | 77 | Message.new(path, line, level, offence['message'], nil, self.class) |
9be00a32 MM |
78 | end |
79 | ||
80 | def js_file?(path) | |
1845f2e3 | 81 | files_to_lint =~ path.to_s |
9be00a32 | 82 | end |
156f8167 MD |
83 | |
84 | def run_eslint(patch) | |
1845f2e3 | 85 | Dir.chdir(repo_path) do |
c89a62b8 | 86 | JSON.parse `#{eslint_command_line(patch.new_file_full_path.to_s)}` |
156f8167 MD |
87 | end |
88 | end | |
89 | ||
c89a62b8 | 90 | def eslint_command_line(path) |
12df00b5 | 91 | "#{eslint_executable} #{cmd_line_opts} #{Shellwords.escape(path)} -f json" |
c89a62b8 MD |
92 | end |
93 | ||
156f8167 MD |
94 | def clean_up_eslint_output(output) |
95 | # 1. Filter out offences without a warning or error | |
96 | # 2. Get the messages for that file | |
97 | # 3. Ignore errors without a line number for now | |
98 | output | |
99 | .select { |offence| offence['errorCount'] + offence['warningCount'] > 0 } | |
100 | .map { |offence| offence['messages'] } | |
101 | .flatten.select { |offence| offence['line'] } | |
102 | end | |
9be00a32 MM |
103 | end |
104 | end |