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import fs from "fs-extra";
import path from "path";
import glob from "fast-glob";
import yaml from "js-yaml";
import {
PackageJson,
PackageManager,
Project,
Workspace,
WorkspaceInfo,
} from "./types";
import { ConvertError } from "./errors";
// adapted from https://github.com/nodejs/corepack/blob/cae770694e62f15fed33dd8023649d77d96023c1/sources/specUtils.ts#L14
const PACKAGE_MANAGER_REGEX = /^(?!_)(.+)@(.+)$/;
function getPackageJson({
workspaceRoot,
}: {
workspaceRoot: string;
}): PackageJson {
const packageJsonPath = path.join(workspaceRoot, "package.json");
try {
return fs.readJsonSync(packageJsonPath, "utf8");
} catch (err) {
if (err && typeof err === "object" && "code" in err) {
if (err.code === "ENOENT") {
throw new ConvertError(`no "package.json" found at ${workspaceRoot}`, {
type: "package_json-missing",
});
}
if (err.code === "EJSONPARSE") {
throw new ConvertError(
`failed to parse "package.json" at ${workspaceRoot}`,
{
type: "package_json-parse_error",
}
);
}
}
throw new Error(
`unexpected error reading "package.json" at ${workspaceRoot}`
);
}
}
function getWorkspacePackageManager({
workspaceRoot,
}: {
workspaceRoot: string;
}): string | undefined {
const { packageManager } = getPackageJson({ workspaceRoot });
if (packageManager) {
try {
const match = packageManager.match(PACKAGE_MANAGER_REGEX);
if (match) {
const [_, manager] = match;
return manager;
}
} catch (err) {
// this won't always exist.
}
}
return undefined;
}
function getWorkspaceInfo({
workspaceRoot,
}: {
workspaceRoot: string;
}): WorkspaceInfo {
const packageJson = getPackageJson({ workspaceRoot });
const workspaceDirectory = path.basename(workspaceRoot);
const { name = workspaceDirectory, description } = packageJson;
return {
name,
description,
};
}
function getPnpmWorkspaces({
workspaceRoot,
}: {
workspaceRoot: string;
}): Array<string> {
const workspaceFile = path.join(workspaceRoot, "pnpm-workspace.yaml");
if (fs.existsSync(workspaceFile)) {
try {
const workspaceConfig = yaml.load(fs.readFileSync(workspaceFile, "utf8"));
// validate it's the type we expect
if (
workspaceConfig instanceof Object &&
"packages" in workspaceConfig &&
Array.isArray(workspaceConfig.packages)
) {
return workspaceConfig.packages as Array<string>;
}
} catch (err) {
throw new ConvertError(`failed to parse ${workspaceFile}`, {
type: "pnpm-workspace_parse_error",
});
}
}
return [];
}
function expandPaths({
root,
lockFile,
workspaceConfig,
}: {
root: string;
lockFile: string;
workspaceConfig?: string;
}) {
const fromRoot = (p: string) => path.join(root, p);
const paths: Project["paths"] = {
root,
lockfile: fromRoot(lockFile),
packageJson: fromRoot("package.json"),
nodeModules: fromRoot("node_modules"),
};
if (workspaceConfig) {
paths.workspaceConfig = fromRoot(workspaceConfig);
}
return paths;
}
function expandWorkspaces({
workspaceRoot,
workspaceGlobs,
}: {
workspaceRoot: string;
workspaceGlobs?: string[];
}): Array<Workspace> {
if (!workspaceGlobs) {
return [];
}
return workspaceGlobs
.flatMap((workspaceGlob) => {
const workspacePackageJsonGlob = `${workspaceGlob}/package.json`;
return glob.sync(workspacePackageJsonGlob, {
onlyFiles: true,
absolute: true,
cwd: workspaceRoot,
});
})
.map((workspacePackageJson) => {
const workspaceRoot = path.dirname(workspacePackageJson);
const { name, description } = getWorkspaceInfo({ workspaceRoot });
return {
name,
description,
paths: {
root: workspaceRoot,
packageJson: workspacePackageJson,
nodeModules: path.join(workspaceRoot, "node_modules"),
},
};
});
}
function directoryInfo({ directory }: { directory: string }) {
const dir = path.resolve(process.cwd(), directory);
return { exists: fs.existsSync(dir), absolute: dir };
}
function getMainStep({
packageManager,
action,
project,
}: {
packageManager: PackageManager;
action: "create" | "remove";
project: Project;
}) {
const hasWorkspaces = project.workspaceData.globs.length > 0;
return `${action === "remove" ? "Removing" : "Adding"} ${packageManager} ${
hasWorkspaces ? "workspaces" : ""
} ${action === "remove" ? "from" : "to"} ${project.name}`;
}
export {
getPackageJson,
getWorkspacePackageManager,
getWorkspaceInfo,
expandPaths,
expandWorkspaces,
getPnpmWorkspaces,
directoryInfo,
getMainStep,
};
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