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load-esm.js | ||
package.json |
README.md
@istanbuljs/load-nyc-config
The utility function which NYC uses to load configuration. This can be used by outside programs to calculate the configuration. Command-line arguments are not considered by this function.
const {loadNycConfig} = require('@istanbuljs/load-nyc-config');
(async () {
console.log(await loadNycConfig());
})();
loadNycConfig([options])
options.cwd
Type: string
Default: cwd
from parent nyc process or process.cwd()
options.nycrcPath
Type: string
Default: undefined
Name of the file containing nyc configuration.
This can be a relative or absolute path.
Relative paths can exist at options.cwd
or any parent directory.
If an nycrc is specified but cannot be found an exception is thrown.
If no nycrc option is provided the default priority of config files are:
- .nycrc
- .nycrc.json
- .nycrc.yml
- .nycrc.yaml
- nyc.config.js
- nyc.config.cjs
- nyc.config.mjs
Configuration merging
Configuration is first loaded from package.json
if found, this serves as the package
defaults. These options can be overridden by an nycrc if found. Arrays are not merged,
so if package.json
sets "require": ["@babel/register"]
and .nycrc
sets "require": ["esm"]
the effective require setting will only include "esm"
.
isLoading
const {isLoading} = require('@istanbuljs/load-nyc-config');
console.log(isLoading());
In some cases source transformation hooks can get installed before the configuration is loaded. This allows hooks to ignore source loads that occur during configuration load.
@istanbuljs/load-nyc-config
for enterprise
Available as part of the Tidelift Subscription.
The maintainers of @istanbuljs/load-nyc-config
and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. Learn more.