74 lines
2.0 KiB
TypeScript
74 lines
2.0 KiB
TypeScript
import * as child_process from "child_process";
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import { join as pathJoin, resolve as pathResolve, sep as pathSep } from "path";
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import { assert } from "tsafe/assert";
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import * as fs from "fs";
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export function getNpmWorkspaceRootDirPath(params: {
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projectDirPath: string;
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dependencyExpected: string;
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}) {
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const { projectDirPath, dependencyExpected } = params;
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const npmWorkspaceRootDirPath = (function callee(depth: number): string {
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const cwd = pathResolve(
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pathJoin(...[projectDirPath, ...Array(depth).fill("..")])
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);
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assert(cwd !== pathSep, "NPM workspace not found");
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try {
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child_process.execSync("npm config get", {
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cwd,
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stdio: "ignore"
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});
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} catch (error) {
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if (String(error).includes("ENOWORKSPACES")) {
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return callee(depth + 1);
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}
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throw error;
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}
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const packageJsonFilePath = pathJoin(cwd, "package.json");
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if (!fs.existsSync(packageJsonFilePath)) {
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return callee(depth + 1);
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}
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assert(fs.existsSync(packageJsonFilePath));
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const parsedPackageJson = JSON.parse(
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fs.readFileSync(packageJsonFilePath).toString("utf8")
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);
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let isExpectedDependencyFound = false;
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for (const dependenciesOrDevDependencies of [
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"dependencies",
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"devDependencies"
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] as const) {
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const dependencies = parsedPackageJson[dependenciesOrDevDependencies];
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if (dependencies === undefined) {
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continue;
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}
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assert(dependencies instanceof Object);
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if (dependencies[dependencyExpected] === undefined) {
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continue;
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}
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isExpectedDependencyFound = true;
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}
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if (!isExpectedDependencyFound && parsedPackageJson.name !== dependencyExpected) {
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return callee(depth + 1);
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}
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return cwd;
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})(0);
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return { npmWorkspaceRootDirPath };
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}
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