pulumi/pkg/codegen/nodejs/gen_program_utils.go

51 lines
2.0 KiB
Go

// Copyright 2022-2024, 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 nodejs
import "fmt"
// Provides code for a method which will be placed in the program preamble if deemed
// necessary. Because many tasks in Go such as reading a file require extensive error
// handling, it is much prettier to encapsulate that error handling boilerplate as its
// own function in the preamble.
func getHelperMethodIfNeeded(functionName string, indent string) (string, bool) {
switch functionName {
case "filebase64sha256":
return `function computeFilebase64sha256(path: string): string {
const fileData = Buffer.from(fs.readFileSync(path, 'binary'))
return crypto.createHash('sha256').update(fileData).digest('hex')
}`, true
case "notImplemented":
return fmt.Sprintf(
`%sfunction notImplemented(message: string) {
%s throw new Error(message);
%s}`, indent, indent, indent), true
case "singleOrNone":
return fmt.Sprintf(
`%sfunction singleOrNone<T>(elements: pulumi.Input<T>[]): pulumi.Input<T> {
%s if (elements.length != 1) {
%s throw new Error("singleOrNone expected input list to have a single element");
%s }
%s return elements[0];
%s}`, indent, indent, indent, indent, indent, indent), true
case "mimeType":
return fmt.Sprintf(`%sfunction mimeType(path: string): string {
%s throw new Error("mimeType not implemented, use the mime or mime-types package instead");
%s}`, indent, indent, indent), true
default:
return "", false
}
}