jsii-pacmak
Version:
A code generation framework for jsii backend languages
52 lines • 2.31 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.traverseDependencyGraph = void 0;
const fs = require("fs-extra");
const path_1 = require("path");
const util = require("./util");
/**
* Traverses the dependency graph and invokes the provided callback method for
* each individual dependency root directory (including the current package).
* The dependency roots are de-duplicated based on their absolute path on the
* file system.
*
* @param packageDir the current package's root directory (i.e: where the
* `package.json` file is located)
* @param callback the function to invoke with each package's informations
* @param host the dependency graph traversal host to use (this parameter
* should typically not be provided unless this module is
* being unit tested)
*/
async function traverseDependencyGraph(packageDir, callback, host = {
readJson: fs.readJson,
findDependencyDirectory: util.findDependencyDirectory,
}) {
return real$traverseDependencyGraph(packageDir, callback, host, new Set());
}
exports.traverseDependencyGraph = traverseDependencyGraph;
async function real$traverseDependencyGraph(packageDir, callback, host, visited) {
// We're at the root if we have not visited anything yet. How convenient!
const isRoot = visited.size === 0;
if (visited.has(packageDir)) {
return void 0;
}
visited.add(packageDir);
const meta = await host.readJson((0, path_1.join)(packageDir, 'package.json'));
if (!(await callback(packageDir, meta, isRoot))) {
return void 0;
}
const deps = new Set([
...Object.keys(meta.dependencies ?? {}),
...Object.keys(meta.peerDependencies ?? {}),
]);
return Promise.all(Array.from(deps)
// No need to pacmak the dependency if it's built-in, or if it's bundled
.filter((m) => !util.isBuiltinModule(m) &&
!meta.bundledDependencies?.includes(m) &&
!meta.bundleDependencies?.includes(m))
.map(async (dep) => {
const dependencyDir = await host.findDependencyDirectory(dep, packageDir);
return real$traverseDependencyGraph(dependencyDir, callback, host, visited);
})).then();
}
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