Function OverrideAppHostingBuildScript

pkg/nodejs/nodejs.go:556–588

OverrideAppHostingBuildScript overrides the "apphosting:build" script in package.json with the build command from the preprocessed apphosting.yaml.

(ctx *gcp.Context, preprocessedApphostingPath string)

// OverrideAppHostingBuildScript overrides the "apphosting:build" script in package.json
// with the build command from the preprocessed apphosting.yaml.
func OverrideAppHostingBuildScript(ctx *gcp.Context, preprocessedApphostingPath string) (*PackageJSON, error) {
	pjs, err := ReadPackageJSONIfExists(ctx.ApplicationRoot())
	if err != nil {
		return nil, err
	}
	apphostingSchema, err := apphostingschema.ReadAndValidateFromFile(preprocessedApphostingPath)
	if err != nil {
		return nil, err
	}
	if apphostingSchema.Scripts.BuildCommand == "" {
		return pjs, nil
	}
	if pjs == nil {
		pjs = &PackageJSON{}
	}

	if pjs.Scripts == nil {
		pjs.Scripts = make(map[string]string)
	}

	pjs.Scripts[ScriptApphostingBuild] = apphostingSchema.Scripts.BuildCommand
	marshalledJSON, err := json.Marshal(pjs)
	if err != nil {
		return nil, gcp.InternalErrorf("marshaling package.json: %w", err)
	}

	err = os.WriteFile(filepath.Join(ctx.ApplicationRoot(), "package.json"), marshalledJSON, 0644)
	if err != nil {
		return nil, gcp.InternalErrorf("writing package.json: %w", err)
	}

	return pjs, nil
}

// IsPackageManagerConfigured checks if the environment is configured to use the specified package manager.
func IsPackageManagerConfigured(pm string) bool {