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Merge pull request zeabur#135 from zeabur/yuanlin/zea-1828-zbpack-imp…
…lementation feat(lib): Serverless output for static websites and Next.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package nextjs | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
| "path" | ||
| "path/filepath" | ||
| "strings" | ||
|
|
||
| cp "github.com/otiai10/copy" | ||
| ) | ||
|
|
||
| // constructNextFunction will construct the first function page, used as symlinks for other function pages | ||
| func constructNextFunction(zeaburOutputDir, firstFuncPage string) error { | ||
| p := path.Join(zeaburOutputDir, "functions", firstFuncPage+".func") | ||
|
|
||
| err := os.MkdirAll(p, 0755) | ||
| if err != nil { | ||
| return fmt.Errorf("create function dir: %w", err) | ||
| } | ||
|
|
||
| launcher, err := renderLauncher() | ||
| if err != nil { | ||
| return fmt.Errorf("render launcher: %w", err) | ||
| } | ||
|
|
||
| err = os.WriteFile(path.Join(p, "index.js"), []byte(launcher), 0644) | ||
| if err != nil { | ||
| return fmt.Errorf("write launcher: %w", err) | ||
| } | ||
|
|
||
| err = cp.Copy(".next", path.Join(p, ".next")) | ||
| if err != nil { | ||
| return fmt.Errorf("copy .next: %w", err) | ||
| } | ||
|
|
||
| err = cp.Copy("package.json", path.Join(p, "package.json")) | ||
| if err != nil { | ||
| return fmt.Errorf("copy package.json: %w", err) | ||
| } | ||
|
|
||
| outputNodeModulesDir := path.Join(p, "node_modules") | ||
| err = os.MkdirAll(outputNodeModulesDir, 0755) | ||
| if err != nil { | ||
| return fmt.Errorf("create node_modules dir: %w", err) | ||
| } | ||
|
|
||
| var deps []string | ||
| err = filepath.Walk(".next", func(path string, info os.FileInfo, err error) error { | ||
| if strings.HasSuffix(path, ".nft.json") { | ||
| type nftJSON struct { | ||
| Files []string `json:"files"` | ||
| } | ||
| b, err := os.ReadFile(path) | ||
| if err != nil { | ||
| return fmt.Errorf("read nft.json: %w", err) | ||
| } | ||
| var nft nftJSON | ||
| err = json.Unmarshal(b, &nft) | ||
| if err != nil { | ||
| return fmt.Errorf("unmarshal nft.json: %w", err) | ||
| } | ||
| for _, file := range nft.Files { | ||
| if !strings.Contains(file, "node_modules") { | ||
| continue | ||
| } | ||
| file = file[strings.Index(file, "node_modules"):] | ||
| deps = append(deps, file) | ||
| } | ||
| } | ||
| return nil | ||
| }) | ||
| if err != nil { | ||
| return fmt.Errorf("walk .next: %w", err) | ||
| } | ||
|
|
||
| for _, dep := range deps { | ||
| err = cp.Copy(dep, path.Join(p, dep)) | ||
| if err != nil { | ||
| return fmt.Errorf("copy dep: %w", err) | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| package nextjs | ||
|
|
||
| import ( | ||
| _ "embed" | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
| "text/template" | ||
| ) | ||
|
|
||
| //go:embed launcher.js.tmpl | ||
| var launcherTemplate string | ||
|
|
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| // getNextConfig read .next/required-server-files.json and return the config string that will be injected into launcher | ||
| func getNextConfig() (string, error) { | ||
| rsf, err := os.ReadFile(".next/required-server-files.json") | ||
| if err != nil { | ||
| return "", fmt.Errorf("read required-server-files.json: %w", err) | ||
| } | ||
|
|
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| type requiredServerFiles struct { | ||
| Config json.RawMessage `json:"config"` | ||
| } | ||
|
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| var rs requiredServerFiles | ||
| err = json.Unmarshal(rsf, &rs) | ||
| if err != nil { | ||
| return "", fmt.Errorf("unmarshal required-server-files.json: %w", err) | ||
| } | ||
|
|
||
| var data map[string]interface{} | ||
| if err := json.Unmarshal(rs.Config, &data); err != nil { | ||
| return "", fmt.Errorf("unmarshal config: %w", err) | ||
| } | ||
|
|
||
| nextConfig, err := json.Marshal(data) | ||
| if err != nil { | ||
| return "", fmt.Errorf("marshal config: %w", err) | ||
| } | ||
|
|
||
| return string(nextConfig), nil | ||
| } | ||
|
|
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| // renderLauncher will render the launcher.js template which used as the entrypoint of the serverless function | ||
| func renderLauncher() (string, error) { | ||
| nextConfig, err := getNextConfig() | ||
| if err != nil { | ||
| return "", fmt.Errorf("get next config: %w", err) | ||
| } | ||
|
|
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| tmpl, err := template.New("launcher").Parse(launcherTemplate) | ||
| if err != nil { | ||
| return "", fmt.Errorf("parse launcher template: %w", err) | ||
| } | ||
|
|
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| type renderLauncherTemplateContext struct { | ||
| NextConfig string | ||
| } | ||
|
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| var launcher strings.Builder | ||
| err = tmpl.Execute(&launcher, renderLauncherTemplateContext{NextConfig: nextConfig}) | ||
| if err != nil { | ||
| return "", fmt.Errorf("render launcher template: %w", err) | ||
| } | ||
|
|
||
| return launcher.String(), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| "use strict"; | ||
| Object.defineProperty(exports, "__esModule", { value: true }); | ||
| process.chdir(__dirname); | ||
| process.env.NODE_ENV = 'production'; | ||
| process.env.__NEXT_PRIVATE_PREBUNDLED_REACT = "next" | ||
| const NextServer = require('next/dist/server/next-server.js').default; | ||
| const nextServer = new NextServer({ | ||
| conf: {{ .NextConfig }}, | ||
| dir: '.', | ||
| minimalMode: true, | ||
| customServer: false, | ||
| }); | ||
| const requestHandler = nextServer.getRequestHandler(); | ||
| module.exports = async (req, res) => { | ||
| const { NodeNextRequest, NodeNextResponse} = require('next/dist/server/base-http/node'); | ||
| req = new NodeNextRequest(req) | ||
| res = new NodeNextResponse(res) | ||
| try { | ||
| await requestHandler(req, res); | ||
| } catch (err) { | ||
| console.error(err); | ||
| process.exit(1); | ||
| } | ||
| }; |
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