<commit_before>// Copyright 2015 <NAME>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// +build js

package ebitenutil

import (
	"bytes"
	"errors"
	"fmt"
	"syscall/js"

	"github.com/hajimehoshi/ebiten/internal/jsutil"
)

type file struct {
	*bytes.Reader
}

func (f *file) Close() error {
	return nil
}

func OpenFile(path string) (ReadSeekCloser, error) {
	var err error
	var content js.Value
	ch := make(chan struct{})
	req := js.Global().Get("XMLHttpRequest").New()
	req.Call("open", "GET", path, true)
	req.Set("responseType", "arraybuffer")
	loadf := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
		defer close(ch)
		status := req.Get("status").Int()
		if 200 <= status && status < 400 {
			content = req.Get("response")
			return nil
		}
		err = errors.New(fmt.Sprintf("http error: %d", status))
		return nil
	})
	defer loadf.Release()
	req.Call("addEventListener", "load", loadf)
	errorf := js.FuncOf(func(this js.Value, args []js.Value) interface{} {
		defer close(ch)
		err = errors.New(fmt.Sprintf("XMLHttpRequest error: %s", req.Get("statusText").String()))
		return nil
	})
	req.Call("addEventListener", "error", errorf)
	defer errorf.Release()
	req.Call("send")
	<-ch
	if err != nil {
		return nil, err
	}

	f := &file{bytes.NewReader(jsutil.ArrayBufferToSlice(content))}
	return f, nil
}<commit_msg>ebitenutil: Use net/http at file_js.go (#1296)<commit_after>// Copyright 2015 <NAME>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// +build js

package ebitenutil

import (
	"bytes"
	"io/ioutil"
	"net/http"
)

type file struct {
	*bytes.Reader
}

func (f *file) Close() error {
	return nil
}

func OpenFile(path string) (ReadSeekCloser, error) {
	res, err := http.Get(path)
	if err != nil {
		return nil, err
	}
	body, err := ioutil.ReadAll(res.Body)
	if err != nil {
		return nil, err
	}
	f := &file{bytes.NewReader(body)}
	return f, nil
}
{'fraction_non_alphanumeric': 0.13639502762430938, 'fraction_numerical': 0.008977900552486187, 'mean_word_length': 3.741407528641571, 'pattern_counts': {'":': 0, '<': 8, '<?xml version=': 0, '>': 5, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4700007', 'n_tokens_mistral': 972, 'n_tokens_neox': 929, 'n_words': 323}