dipend
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This library implements a dependency injection (DI) system in JavaScript/TypeScript, making it easier to manage dependencies in modular applications.
42 lines (40 loc) • 1.72 kB
JavaScript
/*
* Copyright 2025 Saulo V. Alvarenga. 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.
*/
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getPatchedHost = getPatchedHost;
const tslib_1 = require("tslib");
const node_path_1 = tslib_1.__importDefault(require("node:path"));
/**
* Patches existing Compiler Host (or creates new one) to allow feeding updated file content from cache
* Found At: https://github.com/nonara/ts-patch/discussions/29
*/
function getPatchedHost(maybeHost, tsInstance, compilerOptions) {
const fileCache = new Map();
const compilerHost = maybeHost ?? tsInstance.createCompilerHost(compilerOptions, true);
const originalGetSourceFile = compilerHost.getSourceFile;
return Object.assign(compilerHost, {
getSourceFile(fileName, languageVersion) {
fileName = node_path_1.default.normalize(fileName);
if (fileCache.has(fileName))
return fileCache.get(fileName);
const sourceFile = originalGetSourceFile.apply(void 0, Array.from(arguments));
fileCache.set(fileName, sourceFile);
return sourceFile;
},
fileCache,
});
}