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loaders.go
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loaders.go
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// Copyright 2016-2021, Pulumi Corporation.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tfgen
import (
"github.com/blang/semver"
"github.com/pulumi/pulumi/pkg/v3/codegen/schema"
"github.com/pulumi/pulumi/sdk/v3/go/common/resource/plugin"
)
type loader struct {
innerLoader schema.Loader
emptyPackages map[string]bool
}
var _ schema.Loader = &loader{}
func (l *loader) LoadPackage(name string, ver *semver.Version) (*schema.Package, error) {
if l.emptyPackages[name] {
return &schema.Package{
Name: name,
Version: ver,
}, nil
}
return l.innerLoader.LoadPackage(name, ver)
}
// Overrides `schema.NewPluginLoader` to load an empty
// `*schema.Package{}` when `name=”` is requested. In the doc
// generation context a dummy package seems better than failing in the
// case.
func newLoader(host plugin.Host) *loader {
return &loader{
innerLoader: schema.NewPluginLoader(host),
emptyPackages: map[string]bool{
"": true,
},
}
}