Touch #562: update changelog, docs, add code note.

Author: jszuminski

CHANGELOG.md

@@ -1,3 +1,9 @@
+# 4.0.3
+
+_New Features:_
+
+- Added support for absolute paths in the `HIGHCHARTS_CACHE_PATH` option [(#562)](https://github.com/highcharts/node-export-server/issues/562)
+
 # 4.0.2
 
 _Hotfix_:

README.md

@@ -291,7 +291,7 @@ These variables are set in your environment and take precedence over options fro
 - `HIGHCHARTS_MODULE_SCRIPTS`: Highcharts module scripts to fetch (defaults to ``).
 - `HIGHCHARTS_INDICATOR_SCRIPTS`: Highcharts indicator scripts to fetch (defaults to ``).
 - `HIGHCHARTS_FORCE_FETCH`: The flag that determines whether to refetch all scripts after each server rerun (defaults to `false`).
-- `HIGHCHARTS_CACHE_PATH`: In which directory should the fetched Highcharts scripts be placed (defaults to `.cache`).
+- `HIGHCHARTS_CACHE_PATH`: In which directory should the fetched Highcharts scripts be placed (defaults to `.cache`). Since v4.0.3 can be either absolute or relative path.
 - `HIGHCHARTS_ADMIN_TOKEN`: An authentication token that is required to switch the Highcharts version on the server at runtime (defaults to ``).
 
 ### Export Config

lib/cache.js

@@ -396,6 +396,7 @@ export const checkAndUpdateCache = async (options) => {
 export const getCachePath = () => {
   const cachePathOption = getOptions().highcharts.cachePath;
 
+  // issue #562: support for absolute paths
   return isAbsolute(cachePathOption)
     ? cachePathOption
     : join(__dirname, cachePathOption);

lib/highcharts.js

@@ -95,7 +95,7 @@ export async function triggerExport(chartOptions, options, displayErrors) {
   const userOptions = options.export.strInj
     ? new Function(`return ${options.export.strInj}`)()
     : chartOptions;
-  
+
   // Trigger custom code
   if (options.customLogic.customCode) {
     new Function('options', options.customLogic.customCode)(userOptions);