jsii/lib/common/find-utils.js

[](https://cdk.dev) [](https://github.com/aws/jsii

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.findUp = findUp;
exports.findPackageJsonUp = findPackageJsonUp;
exports.findDependencyDirectory = findDependencyDirectory;
const fs = __importStar(require("node:fs"));
const path = __importStar(require("node:path"));
const utils_1 = require("../utils");
/**
 * Find a directory up the tree from a starting directory matching a condition
 *
 * Will return `undefined` if no directory matches
 *
 * (This code is duplicated among jsii/jsii-pacmak/jsii-reflect. Changes should be done in all
 * 3 locations, and we should unify these at some point: https://github.com/aws/jsii/issues/3236)
 */
function findUp(directory, pred) {
    const result = pred(directory);
    if (result) {
        return directory;
    }
    const parent = path.dirname(directory);
    if (parent === directory) {
        return undefined;
    }
    return findUp(parent, pred);
}
/**
 * Find the package.json for a given package upwards from the given directory
 *
 * (This code is duplicated among jsii/jsii-pacmak/jsii-reflect. Changes should be done in all
 * 3 locations, and we should unify these at some point: https://github.com/aws/jsii/issues/3236)
 */
function findPackageJsonUp(packageName, directory) {
    return findUp(directory, (dir) => {
        const pjFile = path.join(dir, 'package.json');
        return fs.existsSync(pjFile) && JSON.parse(fs.readFileSync(pjFile, 'utf-8')).name === packageName;
    });
}
/**
 * Find the directory that contains a given dependency, identified by its 'package.json', from a starting search directory
 *
 * (This code is duplicated among jsii/jsii-pacmak/jsii-reflect. Changes should be done in all
 * 3 locations, and we should unify these at some point: https://github.com/aws/jsii/issues/3236)
 */
function findDependencyDirectory(dependencyName, searchStart) {
    // Explicitly do not use 'require("dep/package.json")' because that will fail if the
    // package does not export that particular file.
    const entryPoint = require.resolve(dependencyName, {
        paths: [searchStart],
    });
    // Search up from the given directory, looking for a package.json that matches
    // the dependency name (so we don't accidentally find stray 'package.jsons').
    const depPkgJsonPath = findPackageJsonUp(dependencyName, path.dirname(entryPoint));
    if (!depPkgJsonPath) {
        throw new utils_1.JsiiError(`Could not find dependency '${dependencyName}' from '${searchStart}'`);
    }
    return depPkgJsonPath;
}
//# sourceMappingURL=find-utils.js.map