mirror of
https://github.com/akvorado/akvorado.git
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b1d6382585
Some of the files were quite big:
- asns.csv ~ 3 MB
- index.js ~ 1.5 MB
- *.svg ~ 2 MB
Use a ZIP archive to put them all and embed it. This reduce the binary
size from 89 MB to 82 MB. 🤯
This also pulls some code modernization (use of http.ServeFileFS).
42 lines
794 B
Go
42 lines
794 B
Go
// SPDX-FileCopyrightText: 2025 Free Mobile
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// SPDX-License-Identifier: AGPL-3.0-only
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// Package embed provides access to the compressed archive containing all the
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// embedded files.
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package embed
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import (
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"archive/zip"
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"bytes"
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_ "embed"
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"fmt"
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"io/fs"
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"sync"
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)
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var (
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//go:embed data/embed.zip
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embeddedZip []byte
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data fs.FS
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dataOnce sync.Once
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dataReady chan struct{}
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)
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// Data returns a filesystem with the files contained in the embedded archive.
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func Data() fs.FS {
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dataOnce.Do(func() {
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r, err := zip.NewReader(bytes.NewReader(embeddedZip), int64(len(embeddedZip)))
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if err != nil {
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panic(fmt.Sprintf("cannot read embedded archive: %s", err))
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}
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data = r
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close(dataReady)
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})
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<-dataReady
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return data
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}
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func init() {
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dataReady = make(chan struct{})
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}
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