Add jq as a JSON fixer

README.md

@@ -113,7 +113,7 @@ formatting.
 | Idris | [idris](http://www.idris-lang.org/) |
 | Java | [checkstyle](http://checkstyle.sourceforge.net), [javac](http://www.oracle.com/technetwork/java/javase/downloads/index.html), [google-java-format](https://github.com/google/google-java-format) |
 | JavaScript | [eslint](http://eslint.org/), [flow](https://flowtype.org/), [jscs](http://jscs.info/), [jshint](http://jshint.com/), [prettier](https://github.com/prettier/prettier), [prettier-eslint](https://github.com/prettier/prettier-eslint), [prettier-standard](https://github.com/sheerun/prettier-standard), [standard](http://standardjs.com/), [xo](https://github.com/sindresorhus/xo)
-| JSON | [jsonlint](http://zaa.ch/jsonlint/), [prettier](https://github.com/prettier/prettier) |
+| JSON | [jsonlint](http://zaa.ch/jsonlint/), [jq](https://stedolan.github.io/jq/), [prettier](https://github.com/prettier/prettier) |
 | Kotlin | [kotlinc](https://kotlinlang.org) !!, [ktlint](https://ktlint.github.io) !! see `:help ale-integration-kotlin` for configuration instructions |
 | LaTeX | [alex](https://github.com/wooorm/alex) !!, [chktex](http://www.nongnu.org/chktex/), [lacheck](https://www.ctan.org/pkg/lacheck), [proselint](http://proselint.com/), [redpen](http://redpen.cc/), [vale](https://github.com/ValeLint/vale), [write-good](https://github.com/btford/write-good) |
 | Less | [lessc](https://www.npmjs.com/package/less), [prettier](https://github.com/prettier/prettier), [stylelint](https://github.com/stylelint/stylelint) |

autoload/ale/fix/registry.vim

@@ -159,6 +159,11 @@ let s:default_registry = {
 \       'suggested_filetypes': ['java'],
 \       'description': 'Fix Java files with google-java-format.',
 \   },
+\   'jq': {
+\       'function': 'ale#fixers#jq#Fix',
+\       'suggested_filetypes': ['json'],
+\       'description': 'Fix JSON files with jq.',
+\   },
 \}
 
 " Reset the function registry to the default entries.

autoload/ale/fixers/jq.vim

@@ -0,0 +1,18 @@
+call ale#Set('json_jq_executable', 'jq')
+call ale#Set('json_jq_use_global', 0)
+call ale#Set('json_jq_options', '')
+
+function! ale#fixers#jq#GetExecutable(buffer) abort
+    return ale#node#FindExecutable(a:buffer, 'jq', [
+    \   'jq',
+    \])
+endfunction
+
+function! ale#fixers#jq#Fix(buffer) abort
+     let l:options = ale#Var(a:buffer, 'json_jq_options')
+
+     return {
+     \  'command': ale#Escape(ale#fixers#jq#GetExecutable(a:buffer))
+     \      . ' . ' . l:options,
+     \}
+endfunction

doc/ale-json.txt

@@ -8,6 +8,33 @@ jsonlint                                                    *ale-json-jsonlint*
 There are no options available.
 
 
+===============================================================================
+jq                                                                *ale-json-jq*
+
+g:ale_json_jq_executable                             *g:ale_json_jq_executable*
+                                                     *b:ale_json_jq_executable*
+  Type: |String|
+  Default: `'jq'`
+
+  See |ale-integrations-local-executables|
+
+
+g:ale_json_jq_use_global                             *g:ale_json_jq_use_global*
+                                                     *b:ale_json_jq_use_global*
+  Type: |Number|
+  Default: `0`
+
+  See |ale-integrations-local-executables|
+
+
+g:ale_json_jq_options                                   *g:ale_json_jq_options*
+                                                        *b:ale_json_jq_options*
+  Type: |String|
+  Default: `''`
+
+  This option can be changed to pass extra options to `jq`.
+
+
 ===============================================================================
 prettier                                                    *ale-json-prettier*
 

doc/ale.txt

@@ -113,6 +113,7 @@ CONTENTS                                                         *ale-contents*
       xo..................................|ale-javascript-xo|
     json..................................|ale-json-options|
       jsonlint............................|ale-json-jsonlint|
+      jq..................................|ale-json-jq|
       prettier............................|ale-json-prettier|
     kotlin................................|ale-kotlin-options|
       kotlinc.............................|ale-kotlin-kotlinc|
@@ -321,7 +322,7 @@ Notes:
 * Idris: `idris`
 * Java: `checkstyle`, `javac`, `google-java-format`
 * JavaScript: `eslint`, `flow`, `jscs`, `jshint`, `prettier`, `prettier-eslint`, `prettier-standard`, `standard`, `xo`
-* JSON: `jsonlint`, `prettier`
+* JSON: `jsonlint`, `jq`, `prettier`
 * Kotlin: `kotlinc`, `ktlint`
 * LaTeX (tex): `alex`!!, `chktex`, `lacheck`, `proselint`, `redpen`, `vale`, `write-good`
 * Less: `lessc`, `prettier`, `stylelint`