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[](https://npmjs.org/package/app-conf) [](https://travis-ci.org/julien-f/nodejs-app-conf) [:
config.*
in the application directory;/etc/my-application/config.*
;~/.config/my-application/config.*
;/.my-application.*
down to ./.my-application.*
in the current
working directory;Note: the local config is relative to the current working directory and only makes sense for CLIs.
var loadConfig = require("app-conf").load;
loadConfig("my-application", {
// this is the directory where the vendor conf is stored
//
// vendor config will not be loaded if not defined
appDir: __dirname,
// equivalent of `__dirname` for ECMAScript Modules:
//appDir: new URL('.', import.meta.url).pathname,
// default config values
defaults: {},
// which types of config should be loaded
entries: ["vendor", "global", "user", "local"],
// whether to ignore unknown file formats instead of throwing
ignoreUnknownFormats: false,
}).then(function (config) {
console.log(config);
});
Relative paths, string values starting by ./
or ../
, are automatically
resolved from the config file directory.
Paths relative to the home directory, string values starting by ~/
, are also
automatically resolved.
JSON format is supported natively but you may install the following packages to have additional features:
watch(opts, cb)
This method reload the configuration every time it might have changed.
const watchConfig = require("app-conf").watch;
const stopWatching = await watchConfig(
{
// contrary to `load`, this is part of the options
appName: "my-application",
// if set to true the configuration will be loaded before waiting for
// changes
//
// in that case, the returned promise will reject if the initial load
// failed, or will resolve after the callback has been called with the
// initial configuration
//
// because the async call to `watchConfig()` will not have returned yet,
// `stopWatching()` will not be available in this first callback call
initialLoad: false,
// all other options are passed to load()
},
(error, config) => {
if (error !== undefined) {
console.warn("loading config has failed");
// we might not want to retry on changes
stopWatching();
return;
}
console.log("config has been loaded", config);
},
);
Note: the vendor config IS NOT watched, but it's loaded as expected.
parse(path)
Low level function which parses a file using app-conf logic, automatically handling formats and resolving paths.
const parseConfig = require("app-conf").parse;
const config = await parseConfig("config.toml");
A basic CLI is available to show the config:
> ./node_modules/.bin/app-conf
Usage: app-conf [--json | -j] [--watch | -w] [-p <path>]... <appName> [<appDir>]
app-conf v2.2.1
> ./node_modules/.bin/app-conf my-app .
Note: To ensure the configuration is parsed the same way as your application (e.g. optional formats), this command should be run from your application directory and not from a global install.
Contributions are very welcome, either on the documentation or on the code.
You may:
ISC © Julien Fontanet
FAQs
[](https://npmjs.org/package/app-conf) [](https://travis-ci.org/julien-f/nodejs-app-conf) [![PackagePhobia](https://badge
The npm package app-conf receives a total of 453 weekly downloads. As such, app-conf popularity was classified as not popular.
We found that app-conf demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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