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generic-json.ts
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generic-json.ts
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// Copyright 2022 Google LLC
//
// 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 {Updater} from '../update';
import {Version} from '../version';
import * as jp from 'jsonpath';
import {jsonStringify} from '../util/json-stringify';
import {logger as defaultLogger, Logger} from '../util/logger';
export class GenericJson implements Updater {
readonly jsonpath: string;
readonly version: Version;
constructor(jsonpath: string, version: Version) {
this.jsonpath = jsonpath;
this.version = version;
}
/**
* Given initial file contents, return updated contents.
* @param {string} content The initial content
* @returns {string} The updated content
*/
updateContent(content: string, logger: Logger = defaultLogger): string {
const data = JSON.parse(content);
const nodes = jp.apply(data, this.jsonpath, _val => {
return this.version.toString();
});
if (!nodes) {
logger.warn(`No entries modified in ${this.jsonpath}`);
return content;
}
return jsonStringify(data, content);
}
}