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authoreric thul <thul.eric@gmail.com>2015-08-11 20:27:04 -0400
committereric thul <thul.eric@gmail.com>2015-08-11 20:27:04 -0400
commitfa01c5a4cb42d80ac147dc5ab512a0795dbe14da (patch)
tree8bdb1f4c24a31c7fd5c69fcd804e8428ae6c49b6 /src/PursLoader/FS.purs
parenteae2e182cec2d521166e5775294b52300c42f069 (diff)
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Moving files to match module
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diff --git a/src/PursLoader/FS.purs b/src/PursLoader/FS.purs
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1module PursLoader.FS
2 ( FS()
3 , writeFileUtf8
4 , findFileUtf8
5 ) where
6
7import Control.Monad.Aff (Aff(), makeAff)
8import Control.Monad.Eff (Eff())
9import Control.Monad.Eff.Exception (Error())
10
11import Data.Maybe (Maybe(..))
12import Data.String.Regex (Regex())
13
14import Data.Function
15
16foreign import data FS :: !
17
18writeFileUtf8 :: forall eff. String -> String -> Aff (fs :: FS | eff) Unit
19writeFileUtf8 filepath contents = makeAff $ runFn4 writeFileUtf8Fn filepath contents
20
21foreign import writeFileUtf8Fn """
22function writeFileUtf8Fn(filepath, contents, errback, callback) {
23 return function(){
24 var fs = require('fs');
25
26 fs.writeFile(filepath, contents, function(error){
27 if (error) errback(error)();
28 else callback()();
29 });
30 };
31}
32""" :: forall eff. Fn4 String
33 String
34 (Error -> Eff (fs :: FS | eff) Unit)
35 (Unit -> Eff (fs :: FS | eff) Unit)
36 (Eff (fs :: FS | eff) Unit)
37
38findFileUtf8 :: forall eff. Regex -> [String] -> Aff (fs :: FS | eff) (Maybe String)
39findFileUtf8 regexp filepaths = makeAff $ runFn6 findFileUtf8Fn Nothing Just regexp filepaths
40
41foreign import findFileUtf8Fn """
42function findFileUtf8Fn(nothing, just, regex, filepaths, errback, callback) {
43 return function(){
44 var fs = require('fs');
45
46 var async = require('async');
47
48 function findFile(filepath, callback) {
49 fs.readFile(filepath, {encoding: 'utf-8'}, function(error, result){
50 if (error) callback(false);
51 else callback(regex.test(result));
52 });
53 }
54
55 async.detect(filepaths, findFile, function(result){
56 if (!result) callback(nothing)();
57 else callback(just(result))();
58 });
59 };
60}
61""" :: forall eff. Fn6 (Maybe String)
62 (String -> Maybe String)
63 Regex
64 [String]
65 (Error -> Eff (fs :: FS | eff) Unit)
66 (Maybe String -> Eff (fs :: FS | eff) Unit)
67 (Eff (fs :: FS | eff) Unit)