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// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
//go:build !plan9
package main
import (
"encoding/json"
"fmt"
"log"
"os"
"path"
"github.com/tailscale/hujson"
"tailscale.com/util/precompress"
"tailscale.com/version"
)
func runBuildPkg() {
buildOptions, err := commonPkgSetup(prodMode)
if err != nil {
log.Fatalf("Cannot setup: %v", err)
}
log.Printf("Linting...\n")
if err := runYarn("lint"); err != nil {
log.Fatalf("Linting failed: %v", err)
}
if err := cleanDir(*pkgDir); err != nil {
log.Fatalf("Cannot clean %s: %v", *pkgDir, err)
}
buildOptions.Write = true
buildOptions.MinifyWhitespace = true
buildOptions.MinifyIdentifiers = true
buildOptions.MinifySyntax = true
runEsbuild(*buildOptions)
if err := precompressWasm(); err != nil {
log.Fatalf("Could not pre-recompress wasm: %v", err)
}
log.Printf("Generating types...\n")
if err := runYarn("pkg-types"); err != nil {
log.Fatalf("Type generation failed: %v", err)
}
if err := updateVersion(); err != nil {
log.Fatalf("Cannot update version: %v", err)
}
if err := copyReadme(); err != nil {
log.Fatalf("Cannot copy readme: %v", err)
}
log.Printf("Built package version %s", version.Long())
}
func precompressWasm() error {
log.Printf("Pre-compressing main.wasm...\n")
return precompress.Precompress(path.Join(*pkgDir, "main.wasm"), precompress.Options{
FastCompression: *fastCompression,
})
}
func updateVersion() error {
packageJSONBytes, err := os.ReadFile("package.json.tmpl")
if err != nil {
return fmt.Errorf("Could not read package.json: %w", err)
}
var packageJSON map[string]any
packageJSONBytes, err = hujson.Standardize(packageJSONBytes)
if err != nil {
return fmt.Errorf("Could not standardize template package.json: %w", err)
}
if err := json.Unmarshal(packageJSONBytes, &packageJSON); err != nil {
return fmt.Errorf("Could not unmarshal package.json: %w", err)
}
packageJSON["version"] = version.Long()
packageJSONBytes, err = json.MarshalIndent(packageJSON, "", " ")
if err != nil {
return fmt.Errorf("Could not marshal package.json: %w", err)
}
return os.WriteFile(path.Join(*pkgDir, "package.json"), packageJSONBytes, 0644)
}
func copyReadme() error {
readmeBytes, err := os.ReadFile("README.pkg.md")
if err != nil {
return fmt.Errorf("Could not read README.pkg.md: %w", err)
}
return os.WriteFile(path.Join(*pkgDir, "README.md"), readmeBytes, 0644)
}
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