split paths package files

Author: ecraig12345

packages/paths/package.json

@@ -2,12 +2,19 @@
   "name": "@ws-tools/paths",
   "version": "0.1.0",
   "license": "MIT",
+  "description": "Helper methods related to paths in a repo or monorepo",
   "repository": {
     "type": "git",
     "url": "https://github.com/microsoft/workspace-tools"
   },
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
+  "exports": {
+    ".": {
+      "require": "./lib/index.js",
+      "types": "./lib/index.d.ts"
+    }
+  },
   "files": [
     "lib/!(__*)",
     "lib/!(__*)/**"

packages/paths/src/findGitRoot.ts

@@ -0,0 +1,16 @@
+import path from "path";
+import { spawnSync } from "child_process";
+
+/**
+ * Starting from `cwd`, uses `git rev-parse --show-toplevel` to find the root of the git repo.
+ * Throws if `cwd` is not in a Git repository.
+ */
+export function findGitRoot(cwd: string) {
+  const result = spawnSync("git", ["rev-parse", "--show-toplevel"], { cwd });
+
+  if (result.status !== 0) {
+    throw new Error(`Directory "${cwd}" is not in a git repository`);
+  }
+
+  return path.normalize(result.stdout.toString().trim());
+}

packages/paths/src/findPackageRoot.ts

@@ -0,0 +1,10 @@
+import path from "path";
+import { searchUp } from "./searchUp";
+
+/**
+ * Starting from `cwd`, searches up the directory hierarchy for `package.json`.
+ */
+export function findPackageRoot(cwd: string) {
+  const jsonPath = searchUp("package.json", cwd);
+  return jsonPath && path.dirname(jsonPath);
+}

packages/paths/src/index.ts

@@ -1,48 +1,3 @@
-import path from "path";
-import fs from "fs";
-import { spawnSync } from "child_process";
-
-/**
- * Starting from `cwd`, searches up the directory hierarchy for `filePath`.
- * If multiple strings are given, searches each directory level for any of them.
- * @returns Full path to the item found, or undefined if not found.
- */
-export function searchUp(filePath: string | string[], cwd: string) {
-  const paths = typeof filePath === "string" ? [filePath] : filePath;
-  const root = path.parse(cwd).root;
-
-  let foundPath: string | undefined;
-
-  while (!foundPath && cwd !== root) {
-    foundPath = paths.find((p) => fs.existsSync(path.join(cwd, p)));
-    if (foundPath) {
-      break;
-    }
-
-    cwd = path.dirname(cwd);
-  }
-
-  return foundPath ? path.join(cwd, foundPath) : undefined;
-}
-
-/**
- * Starting from `cwd`, uses `git rev-parse --show-toplevel` to find the root of the git repo.
- * Throws if `cwd` is not in a Git repository.
- */
-export function findGitRoot(cwd: string) {
-  const result = spawnSync("git", ["rev-parse", "--show-toplevel"], { cwd });
-
-  if (result.status !== 0) {
-    throw new Error(`Directory "${cwd}" is not in a git repository`);
-  }
-
-  return path.normalize(result.stdout.toString().trim());
-}
-
-/**
- * Starting from `cwd`, searches up the directory hierarchy for `package.json`.
- */
-export function findPackageRoot(cwd: string) {
-  const jsonPath = searchUp("package.json", cwd);
-  return jsonPath && path.dirname(jsonPath);
-}
+export { findGitRoot } from "./findGitRoot";
+export { findPackageRoot } from "./findPackageRoot";
+export { searchUp } from "./searchUp";

packages/paths/src/searchUp.ts

@@ -0,0 +1,25 @@
+import path from "path";
+import fs from "fs";
+
+/**
+ * Starting from `cwd`, searches up the directory hierarchy for `filePath`.
+ * If multiple strings are given, searches each directory level for any of them.
+ * @returns Full path to the item found, or undefined if not found.
+ */
+export function searchUp(filePath: string | string[], cwd: string) {
+  const paths = typeof filePath === "string" ? [filePath] : filePath;
+  const root = path.parse(cwd).root;
+
+  let foundPath: string | undefined;
+
+  while (!foundPath && cwd !== root) {
+    foundPath = paths.find((p) => fs.existsSync(path.join(cwd, p)));
+    if (foundPath) {
+      break;
+    }
+
+    cwd = path.dirname(cwd);
+  }
+
+  return foundPath ? path.join(cwd, foundPath) : undefined;
+}