1b1ba78f8d
* Sort node_modules licenses by license name * Add options to ignore nested directories in a package. Some packages (for example, rxjs) adds fake package.json to nested dirs. It should be possible to ignore such packages. Change-Id: Ifd38a8e3ae7f06354e00aee420f282773b64583a
110 lines
3.7 KiB
TypeScript
110 lines
3.7 KiB
TypeScript
/**
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* @license
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { PackageName, PackageVersion, DirPath, FilePath } from "./base-types";
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import {fail} from "./utils";
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import * as path from "path";
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import * as fs from "fs";
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/**
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* Describe one installed package from node_modules
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*/
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export interface InstalledPackage {
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/** Package name (it is calculated based on path to module) */
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name: PackageName;
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/** Package version from package.json */
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version: PackageVersion;
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/**
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* Path to the top-level package directory, where package.json is placed
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* This path is relative to process working directory (because bazel pass all paths relative to it)
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*/
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rootPath: DirPath;
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/** All files in package. Path is relative to rootPath */
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files: FilePath[];
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}
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/**
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* Calculates all installed packages from a list of files
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* It is expected, that the addPackageJson method is called first for
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* all package.json files first and then the addFile method is called for all files (including package.json)
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*/
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export class InsalledPackagesBuilder {
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private readonly rootPathToPackageMap: Map<DirPath, InstalledPackage> = new Map();
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public constructor(private readonly nonPackages: Set<string>) {
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}
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public addPackageJson(packageJsonPath: string) {
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const pack = this.createInstalledPackage(packageJsonPath);
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if (!pack) return;
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this.rootPathToPackageMap.set(pack.rootPath, pack)
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}
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public addFile(file: string) {
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const pack = this.findPackageForFile(file)!;
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pack.files.push(path.relative(pack.rootPath, file));
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}
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/**
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* Create new InstalledPackage.
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* The name of a package is a relative path to the closest node_modules parent.
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* For example for the packageJsonFile='/a/node_modules/b/node_modules/d/e/package.json'
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* the package name is 'd/e'
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*/
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private createInstalledPackage(packageJsonFile: string): InstalledPackage | undefined {
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const nameParts: Array<string> = [];
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const rootPath = path.dirname(packageJsonFile);
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let currentDir = rootPath;
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while(currentDir != "") {
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const partName = path.basename(currentDir);
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if(partName === "node_modules") {
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const packageName = nameParts.reverse().join("/");
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const version = JSON.parse(fs.readFileSync(packageJsonFile, {encoding: 'utf-8'}))["version"];
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if(!version) {
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if (this.nonPackages.has(packageName)) {
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return undefined;
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}
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fail(`Can't get version for ${packageJsonFile}`)
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}
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return {
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name: packageName,
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rootPath: rootPath,
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version: version,
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files: []
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};
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}
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nameParts.push(partName);
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currentDir = path.dirname(currentDir);
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}
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fail(`Can't create package info for '${packageJsonFile}'`)
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}
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private findPackageForFile(filePath: FilePath): InstalledPackage {
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let currentDir = path.dirname(filePath);
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while(currentDir != "") {
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if(this.rootPathToPackageMap.has(currentDir)) {
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return this.rootPathToPackageMap.get(currentDir)!;
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}
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currentDir = path.dirname(currentDir);
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}
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fail(`Can't find package for '${filePath}'`);
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}
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public build(): InstalledPackage[] {
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return [...this.rootPathToPackageMap.values()];
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}
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}
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