52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
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package wails
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import (
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"golang.org/x/mod/modfile"
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)
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// Project is the subset of wails.json we care about.
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type Project struct {
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Name string `json:"name"`
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}
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// ReadProject parses wails.json from dir.
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func ReadProject(dir string) (*Project, error) {
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path := filepath.Join(dir, "wails.json")
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b, err := os.ReadFile(path)
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if err != nil {
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return nil, fmt.Errorf("read %s: %w", path, err)
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}
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var p Project
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if err := json.Unmarshal(b, &p); err != nil {
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return nil, fmt.Errorf("parse %s: %w", path, err)
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}
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if p.Name == "" {
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return nil, fmt.Errorf("%s: name field is empty", path)
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}
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return &p, nil
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}
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// ProjectWailsVersion returns the require'd Wails version from go.mod.
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func ProjectWailsVersion(dir string) (string, error) {
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path := filepath.Join(dir, "go.mod")
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b, err := os.ReadFile(path)
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if err != nil {
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return "", fmt.Errorf("read %s: %w", path, err)
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}
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mf, err := modfile.Parse(path, b, nil)
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if err != nil {
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return "", fmt.Errorf("parse %s: %w", path, err)
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}
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for _, r := range mf.Require {
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if r.Mod.Path == "github.com/wailsapp/wails/v2" {
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return r.Mod.Version, nil
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}
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}
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return "", fmt.Errorf("%s: no require for github.com/wailsapp/wails/v2", path)
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}
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