check for node_modules and package.json instead of VCS

src/cache.ts

@@ -1,4 +1,5 @@
 import fs from "node:fs";
+import os from "node:os";
 import path from "node:path";
 import { fastRelativePath, getCachePath, isArray, isBoolean, isObject, isString, isUndefined, sha1hex, sha1base64 } from "./utils.js";
 import type Logger from "./logger.js";
@@ -31,11 +32,12 @@ class Cache {
   private logger: Logger;
   private dirty: boolean;
 
-  constructor(version: string, rootPath: string, options: Options, logger: Logger) {
+  constructor(version: string, rootPath: string, cacheRootPath: string | undefined, options: Options, logger: Logger) {
     this.version = sha1hex(version);
     this.logger = logger;
     this.rootPath = rootPath;
-    this.storePath = options.cacheLocation || path.join(getCachePath(rootPath), `${sha1hex(rootPath)}.json`);
+    const cachePath = cacheRootPath ? getCachePath(cacheRootPath) : path.join(os.tmpdir(), "prettier", ".prettier-caches");
+    this.storePath = options.cacheLocation || path.join(cachePath, `${sha1hex(rootPath)}.json`);
     this.store = this.read();
     this.dirty = false;
   }

src/config_prettier.ts

@@ -46,7 +46,7 @@ const Loaders = {
   },
   toml: async (filePath: string): Promise<unknown> => {
     const fileContent = fs.readFileSync(filePath, "utf8");
-    const {parse} = await import("smol-toml");
+    const { parse } = await import("smol-toml");
     return parse(fileContent);
   },
   yaml: async (filePath: string): Promise<unknown> => {

src/index.ts

@@ -11,7 +11,16 @@ import { PRETTIER_VERSION, CLI_VERSION } from "./constants.js";
 import Known from "./known.js";
 import Logger from "./logger.js";
 import { makePrettier } from "./prettier.js";
-import { castArray, getExpandedFoldersPaths, getFoldersChildrenPaths, getPluginsVersions, getProjectPath, getStdin, getTargetsPaths } from "./utils.js";
+import {
+  castArray,
+  getCacheRootPath,
+  getExpandedFoldersPaths,
+  getFoldersChildrenPaths,
+  getPluginsVersions,
+  getProjectPath,
+  getStdin,
+  getTargetsPaths,
+} from "./utils.js";
 import {
   fastRelativePath,
   isNull,
@@ -116,7 +125,7 @@ async function runGlobs(options: Options, pluginsDefaultOptions: PluginsOptions,
   const cacheVersion = stringify({ prettierVersion, cliVersion, pluginsNames, pluginsVersions, editorConfigs, ignoreContents, prettierConfigs, ignoreManualFilesPaths, ignoreManualFilesContents, prettierManualFilesPaths, prettierManualFilesContents, cliContextConfig, cliFormatConfig, pluginsDefaultOptions, pluginsCustomOptions }); // prettier-ignore
 
   const shouldCache = options.cache && !options.dump && !pluginsVersionsMissing.length && isUndefined(cliContextConfig.cursorOffset);
-  const cache = shouldCache ? new Cache(cacheVersion, projectPath, options, stdout) : undefined;
+  const cache = shouldCache ? new Cache(cacheVersion, projectPath, getCacheRootPath(rootPath), options, stdout) : undefined;
   const prettier = await makePrettier(options, cache);
 
   //TODO: Maybe do work in chunks here, as keeping too many formatted files in memory can be a problem

src/utils.ts

@@ -56,6 +56,10 @@ function getCachePath(rootPath: string): string {
   return cachePath;
 }
 
+function getCacheRootPath(rootPath: string): string | undefined {
+  return findDirectoryUpwards(rootPath, (folderPath) => fs.existsSync(path.join(folderPath, "node_modules")));
+}
+
 function getDirectoryPaths(rootPath: string, withNodeModules: boolean) {
   const ignoreGlob = `**/{.git,.sl,.svn,.hg,.DS_Store,Thumbs.db${withNodeModules ? "" : ",node_modules"}}`;
   const ignoreRe = zeptomatch.compile(ignoreGlob);
@@ -181,6 +185,17 @@ function getPluginsVersions(names: string[]): (string | null)[] {
   return pluginsVersions;
 }
 
+function findDirectoryUpwards(rootPath: string, isMatch: (folderPath: string) => boolean): string | undefined {
+  let currentPath = rootPath;
+
+  while (true) {
+    if (isMatch(currentPath)) return currentPath;
+    const currentPathNext = path.dirname(currentPath);
+    if (currentPath === currentPathNext) return;
+    currentPath = currentPathNext;
+  }
+}
+
 function getProjectPath(rootPath: string): string {
   function isProjectPath(folderPath: string): boolean {
     const gitPath = path.join(folderPath, ".git");
@@ -194,20 +209,7 @@ function getProjectPath(rootPath: string): string {
     return false;
   }
 
-  let currentPath = rootPath;
-
-  while (true) {
-    if (isProjectPath(currentPath)) {
-      return currentPath;
-    } else {
-      const currentPathNext = path.dirname(currentPath);
-      if (currentPath === currentPathNext) {
-        return rootPath;
-      } else {
-        currentPath = currentPathNext;
-      }
-    }
-  }
+  return findDirectoryUpwards(rootPath, isProjectPath) ?? rootPath;
 }
 
 function getStats(targetPath: string): fs.Stats | undefined {
@@ -753,6 +755,7 @@ export {
   fastRelativeChildPath,
   findLastIndex,
   getCachePath,
+  getCacheRootPath,
   getFolderChildrenPaths,
   getFoldersChildrenPaths,
   getExpandedFoldersPaths,