@ampproject/rollup-plugin-closure-compiler
Version:
Rollup + Google Closure Compiler
34 lines (33 loc) • 1.44 kB
TypeScript
/**
* Copyright 2018 The AMP HTML Authors. All Rights Reserved.
*
* 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.
*/
import { ChunkTransform } from '../../transform';
import { TransformInterface } from '../../types';
import MagicString from 'magic-string';
/**
* Closure Compiler will not transform computed keys with literal values back to the literal value.
* e.g {[0]: 'value'} => {0: 'value'}
*
* This transform does so only if a computed key is a Literal, and thus easily known to be static.
* @see https://astexplorer.net/#/gist/d2414b45a81db3a41ee6902bfd09947a/d7176ac33a2733e1a4b1f65ec3ac626e24f7b60d
*/
export default class LiteralComputedKeys extends ChunkTransform implements TransformInterface {
name: string;
/**
* @param code source to parse, and modify
* @return modified input source with computed literal keys
*/
post(fileName: string, source: MagicString): Promise<MagicString>;
}