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.
57 lines (55 loc) • 2.82 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.TransformProgram = void 0;
const tslib_1 = require("tslib");
const node_path_1 = tslib_1.__importDefault(require("node:path"));
const get_patched_host_1 = require("./get-patched-host");
const ast_visit_handler_1 = require("./ast-visit-handler");
class TransformProgram {
transformers;
constructor(transformers) {
this.transformers = transformers;
}
getHandler() {
const transformers = this.transformers;
return (program, host, config, { ts: tsInstance }) => {
const compilerOptions = program.getCompilerOptions();
const compilerHost = (0, get_patched_host_1.getPatchedHost)(host, tsInstance, compilerOptions);
const rootFileNames = program.getRootFileNames().map(node_path_1.default.normalize);
const sourceFiles = [...program.getSourceFiles()];
const astHandlers = transformers.map((transform) => new ast_visit_handler_1.AstVisitHandler(tsInstance, program, transform));
let transformedSourceFileResult = sourceFiles;
astHandlers.forEach((astHandler) => {
const transformedSourceFile = tsInstance.transform(transformedSourceFileResult, [(context) => astHandler.handle(context)], compilerOptions).transformed;
if (transformedSourceFile && transformedSourceFile.length > 0) {
transformedSourceFileResult = transformedSourceFile;
}
});
const { printFile } = tsInstance.createPrinter();
for (const sourceFile of transformedSourceFileResult) {
const { fileName, languageVersion } = sourceFile;
const fileVersion = sourceFile.version;
const updatedSourceFile = tsInstance.createSourceFile(fileName, printFile(sourceFile), languageVersion);
updatedSourceFile.version = fileVersion;
compilerHost.fileCache.set(fileName, updatedSourceFile);
}
return tsInstance.createProgram(rootFileNames, compilerOptions, compilerHost);
};
}
}
exports.TransformProgram = TransformProgram;