Added the PUPPETEER_TEMP_DIR option, touch #567.

.env.sample

@@ -1,3 +1,6 @@
+# PUPPETEER CONFIG
+PUPPETEER_TEMP_DIR = ./tmp/
+
 # HIGHCHARTS CONFIG
 HIGHCHARTS_VERSION = latest
 HIGHCHARTS_CDN_URL = https://code.highcharts.com/

CHANGELOG.md

@@ -1,3 +1,9 @@
+# 4.0.3
+
+_New features:_
+
+- Made the temporary Puppeteer directory (`PUPPETEER_TEMP_DIR`) (till now, `'./tmp'`) configurable by the user [(#567)](https://github.com/highcharts/node-export-server/issues/567).
+
 # 4.0.2
 
 _Hotfix_:

README.md

@@ -98,7 +98,8 @@ The format, along with its default values, is as follows (using the recommended
 ```
 {
   "puppeteer": {
-    "args": []
+    "args": [],
+    "tempDir": "./tmp/"
   },
   "highcharts": {
     "version": "latest",
@@ -285,6 +286,10 @@ To load an additional JSON configuration file, use the `--loadConfig <filepath>`
 
 These variables are set in your environment and take precedence over options from the `lib/schemas/config.js` file. They can be set in the `.env` file (refer to the `.env.sample` file). If you prefer setting these variables through the `package.json`, use `export` command on Linux/Mac OS X and `set` command on Windows.
 
+### Puppeteer Config
+
+- `PUPPETEER_TEMP_DIR`: The directory for Puppeteer to store temporary files (defaults to `./tmp/`).
+
 ### Highcharts Config
 
 - `HIGHCHARTS_VERSION`: Highcharts version to use (defaults to `latest`).

lib/browser.js

@@ -59,14 +59,14 @@ export function get() {
  */
 export async function create(puppeteerArgs) {
   // Get debug and other options
-  const { debug, other } = getOptions();
+  const { puppeteer: puppeteerOptions, debug, other } = getOptions();
 
   // Get the debug options
   const { enable: enabledDebug, ...debugOptions } = debug;
 
   const launchOptions = {
     headless: other.browserShellMode ? 'shell' : true,
-    userDataDir: './tmp/',
+    userDataDir: puppeteerOptions.tempDir || './tmp/',
     args: puppeteerArgs,
     handleSIGINT: false,
     handleSIGTERM: false,

lib/envs.js

@@ -64,6 +64,24 @@ const v = {
       )
       .transform((value) => (value !== '' ? value : undefined)),
 
+  // Checks if the string is a valid path directory (path format)
+  path: () =>
+    z
+      .string()
+      .trim()
+      .refine(
+        (value) => {
+          // Simplified regex to match both absolute and relative paths
+          return /^(\.\/|\.\.\/|\/|[a-zA-Z]:\\|[a-zA-Z]:\/)?(([\w]+|-)[\\/]?)+$/.test(
+            value
+          );
+        },
+        {},
+        {
+          message: 'The string is an invalid path directory string.'
+        }
+      ),
+
   // Allows positive numbers or no value in which case the returned value will
   // be undefined
   positiveNum: () =>
@@ -96,6 +114,9 @@ const v = {
 };
 
 export const Config = z.object({
+  // puppeteer
+  PUPPETEER_TEMP_DIR: v.path(),
+
   // highcharts
   HIGHCHARTS_VERSION: z
     .string()

lib/highcharts.js

@@ -124,11 +124,7 @@ export async function triggerExport(chartOptions, options, displayErrors) {
   let constr = options.export.constr || 'chart';
   constr = typeof Highcharts[constr] !== 'undefined' ? constr : 'chart';
 
-  Highcharts[constr](
-    'container',
-    finalOptions,
-    finalCallback
-  );
+  Highcharts[constr]('container', finalOptions, finalCallback);
 
   // Get the current global options
   const defaultOptions = getOptions();

lib/schemas/config.js

@@ -146,6 +146,12 @@ export const defaultConfig = {
       ],
       type: 'string[]',
       description: 'Arguments array to send to Puppeteer.'
+    },
+    tempDir: {
+      value: './tmp/',
+      type: 'string',
+      envLink: 'PUPPETEER_TEMP_DIR',
+      description: 'The directory for Puppeteer to store temporary files.'
     }
   },
   highcharts: {

package.json

@@ -3,7 +3,7 @@
   "author": "Highsoft AS <[email protected]> (http://www.highcharts.com/about)",
   "license": "MIT",
   "type": "module",
-  "version": "4.0.2",
+  "version": "4.0.3",
   "main": "./dist/index.esm.js",
   "engines": {
     "node": ">=18.12.0"

tests/unit/envs.test.js

@@ -1,6 +1,31 @@
 import { Config } from '../../lib/envs';
 
 describe('Environment variables should be correctly parsed', () => {
+  test('PUPPETEER_TEMP_DIR should be a valid path', () => {
+    const env = { PUPPETEER_TEMP_DIR: '/path/to/dir' };
+    expect(Config.partial().parse(env).PUPPETEER_TEMP_DIR).toEqual(
+      '/path/to/dir'
+    );
+
+    env.PUPPETEER_TEMP_DIR = '/another/path/to/dir';
+    expect(Config.partial().parse(env).PUPPETEER_TEMP_DIR).toEqual(
+      '/another/path/to/dir'
+    );
+
+    env.PUPPETEER_TEMP_DIR = '';
+    expect(() => Config.partial().parse(env)).toThrow();
+  });
+
+  test('PUPPETEER_TEMP_DIR can be a relative path', () => {
+    const env = { PUPPETEER_TEMP_DIR: './tmp/' };
+    expect(Config.partial().parse(env).PUPPETEER_TEMP_DIR).toEqual('./tmp/');
+
+    env.PUPPETEER_TEMP_DIR = '../custom-tmp/';
+    expect(Config.partial().parse(env).PUPPETEER_TEMP_DIR).toEqual(
+      '../custom-tmp/'
+    );
+  });
+
   test('HIGHCHARTS_VERSION accepts latests and not unrelated strings', () => {
     const env = { HIGHCHARTS_VERSION: 'string-other-than-latest' };
     expect(() => Config.partial().parse(env)).toThrow();