[feat] initial draft

Author: mriehl

.gitignore

@@ -0,0 +1 @@
+fbarrel

.travis.yml

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+language: go
+go:
+  - master
+env:
+  - "PATH=/home/travis/gopath/bin:$PATH"
+before_install:
+  - go get github.com/tools/godep
+script:
+  - go install
+  - CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -installsuffix cgo -o goat-linux-amd64 .
+deploy:
+  provider: releases
+  api_key: $GITHUB_TOKEN
+  file:
+    - fbarrel-linux-amd64
+  skip_cleanup: true
+  on:
+    tags: true
+

Godeps/Godeps.json

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+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+

Godeps/Readme

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+# fbarrel
+
+Given 
+
+```
+test/a.ts (export function fkbr(){})
+test/b.ts (export class Yolo{})
+```
+
+then running `fbarrel -n cool -p test` will write
+
+```
+test/barrel.ts
+test/cool.ts
+```
+
+with `barrel.ts`: 
+
+```js
+export * from './a';
+export * from './b';
+```
+
+and `cool.ts`:
+
+```js
+import * as Cool from './barrel';
+export { Cool };
+```
+
+So now you can do:
+
+```js
+import {Cool} from './test/cool'
+
+Cool.fkbr()
+```

LICENSE

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+package main
+
+import (
+	"fmt"
+	"os"
+	"github.com/jessevdk/go-flags"
+	"io/ioutil"
+	"bufio"
+	"path"
+	"strings"
+)
+
+type opts struct {
+	Path string `short:"p" long:"path" description:"Path to typescript folder where barrel should be created" required:"true"`
+	Name string `short:"n" long:"name" description:"Name of barrel (omit .ts) - will be uppercased for namespace name" required:"true"`
+}
+
+func fatal(err error){
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}
+
+func main() {
+	var opts = opts{}
+
+	_, err := flags.Parse(&opts)
+	fatal(err)
+
+	files,err := listFiles(opts.Path)
+	fatal(err)
+	err = writeBarrel(opts.Path, files)
+	fatal(err)
+
+	err = writeNamespace(opts.Name, opts.Path)
+
+	os.Exit(0)
+}
+
+func writeNamespace(name string, ts_path string) error {
+	fd, err := os.Create(path.Join(ts_path, fmt.Sprintf("%s.ts", name))); if err != nil {
+		return err
+	}
+	namespace := strings.Title(name)
+	fmt.Printf("Writing namespace { %s }\n", namespace)
+	defer fd.Close()
+	w := bufio.NewWriter(fd)
+
+		_, err = w.WriteString(fmt.Sprintf("import * as %s from './barrel';\nexport { %s };\n", namespace, namespace)); if err != nil {
+			return err
+		}
+	w.Flush()
+	return nil
+}
+
+func writeBarrel(ts_path string, files []os.FileInfo) error {
+	fd, err := os.Create(path.Join(ts_path, "barrel.ts")); if err != nil {
+		return err
+	}
+	defer fd.Close()
+	w := bufio.NewWriter(fd)
+
+	for _, f := range files {
+		var name = f.Name()
+		if(strings.HasPrefix(name, ".") || ! strings.HasSuffix(name, ".ts") || name == "barrel.ts"){ continue }
+		name_without_ext := name[0:strings.LastIndex(name, ".ts")]
+		fmt.Printf("Writing to barrel for %s (%s)\n", name_without_ext, name)
+		_, err = w.WriteString(fmt.Sprintf("export * from './%s';\n", name_without_ext)); if err != nil {
+			return err
+		}
+	}
+	w.Flush()
+
+	return nil
+}
+
+func listFiles(ts_path string) ([]os.FileInfo, error) {
+	files, err := ioutil.ReadDir(ts_path)
+	if err != nil {
+		return nil,err
+	}
+	return files,nil
+}