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README.md |
EditorConfig JavaScript Core
The EditorConfig JavaScript core will provide the same functionality as the EditorConfig C Core and EditorConfig Python Core.
Installation
You need node to use this package.
To install the package locally:
$ npm install editorconfig
To install the package system-wide:
$ npm install -g editorconfig
Usage
Options
Most of the API takes an options
object, which has the following defaults:
{
config: '.editorconfig',
version: pkg.version,
root: '/',
files: undefined,
cache: undefined,
};
- config
- The name of the config file to look for in the current and every parent directory.
- version
- Which editorconfig spec version to use. Earlier versions had different defaults.
- root
- What directory to stop processing in, even if we haven't found a file containing root=true. Defaults to the root of the filesystem containing `process.cwd()`.
- files
- Pass in an empty array, which will be filled with one object for each config file processed. The objects will have the shape `{filename: "[DIRECTORY]/.editorconfig", glob: "*"}`
- cache
- If you are going to process more than one file in the same project, pass in a cache object. It must have `get(string): object|undefined` and `set(string, object)` methods, like a JavaScript Map. A long-running process might want to consider that this cache might grow over time, and that the config files might change over time. However, we leave any complexity of that nature to the caller, since there are so many different approaches that might be taken based on latency, memory, and CPU trade-offs. Note that some of the objects in the cache will be for files that did not exist. Those objects will have a `notfound: true` property. All of the objects will have a `name: string` property that contains the fully-qualified file name of the config file and a `root: boolean` property that describes if the config file had a `root=true` at the top. Any other properties in the objects should be treated as opaque.
in Node.js:
parse(filePath[, options])
Search for .editorconfig
files starting from the current directory to the
root directory. Combine all of the sections whose section names match
filePath into a single object.
Example:
const editorconfig = require('editorconfig');
const path = require('path');
const filePath = path.join(__dirname, 'sample.js');
(async () => {
console.log(await editorconfig.parse(filePath, {files: []}));
})();
/*
{
indent_style: 'space',
indent_size: 2,
end_of_line: 'lf',
charset: 'utf-8',
trim_trailing_whitespace: true,
insert_final_newline: true,
tab_width: 2
};
assert.deepEqual(files, [
{ fileName: '[DIRECTORY]/.editorconfig', glob: '*' },
{ fileName: '[DIRECTORY]/.editorconfig', glob: '*.js' }
])
*/
parseSync(filePath[, options])
Synchronous version of editorconfig.parse()
.
parseBuffer(fileContent)
The parse()
function above uses parseBuffer()
under the hood. If you have
the contents of a config file, and want to see what is being processed for
just that file rather than the full directory hierarchy, this might be useful.
parseString(fileContent)
This is a thin wrapper around parseBuffer()
for backward-compatibility.
Prefer parseBuffer()
to avoid an unnecessary UTF8-to-UTF16-to-UTF8
conversion. Deprecated.
parseFromFiles(filePath, configs[, options])
Low-level interface, which exists only for backward-compatibility. Deprecated.
Example:
const editorconfig = require('editorconfig');
const fs = require('fs');
const path = require('path');
const configPath = path.join(__dirname, '.editorconfig');
const configs = [
{
name: configPath,
contents: fs.readFileSync(configPath, 'utf8')
}
];
const filePath = path.join(__dirname, '/sample.js');
(async () => {
console.log(await editorconfig.parseFromFiles(filePath, Promise.resolve(configs)))
})();
/*
{
indent_style: 'space',
indent_size: 2,
end_of_line: 'lf',
charset: 'utf-8',
trim_trailing_whitespace: true,
insert_final_newline: true,
tab_width: 2
};
*/
parseFromFilesSync(filePath, configs[, options])
Synchronous version of editorconfig.parseFromFiles()
. Deprecated.
in Command Line
$ ./bin/editorconfig
Usage: editorconfig [options] <FILEPATH...>
Arguments:
FILEPATH Files to find configuration for. Can be a hyphen (-) if you
want path(s) to be read from stdin.
Options:
-v, --version Display version information from the package
-f <path> Specify conf filename other than '.editorconfig'
-b <version> Specify version (used by devs to test compatibility)
--files Output file names that contributed to the configuration,
rather than the configuation itself
-h, --help display help for command
Example:
$ ./bin/editorconfig /home/zoidberg/humans/anatomy.md
charset=utf-8
insert_final_newline=true
end_of_line=lf
tab_width=8
trim_trailing_whitespace=sometimes
$ ./bin/editorconfig --files /home/zoidberg/humans/anatomy.md
/home/zoidberg/.editorconfig [*]
/home/zoidberg/.editorconfig [*.md]
/home/zoidberg/humans/.editorconfig [*]
Development
To install dependencies for this package run this in the package directory:
$ npm install
Next, run the following commands:
$ npm run build
$ npm link
The global editorconfig will now point to the files in your development repository instead of a globally-installed version from npm. You can now use editorconfig directly to test your changes.
If you ever update from the central repository and there are errors, it might be because you are missing some dependencies. If that happens, just run npm link again to get the latest dependencies.
To test the command line interface:
$ editorconfig <filepath>
Testing
CMake must be installed to run the tests.
To run the tests:
$ npm test
To run the tests with increased verbosity (for debugging test failures):
$ npm run ci