vue hello world项目
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

110 lines
2.8 KiB

2 years ago
# totalist [![build status](https://badgen.now.sh/github/status/lukeed/totalist)](https://github.com/lukeed/totalist/actions) [![codecov](https://badgen.now.sh/codecov/c/github/lukeed/totalist)](https://codecov.io/gh/lukeed/totalist)
> A tiny (195B to 224B) utility to recursively list all (total) files in a directory
Traverse a directory recursively, running a function for **every file** found.
With this module, you easily apply custom logic to decide which file(s) to process without worrying about accidentally accessing a directory or making repeat `fs.Stats` requests.
## Install
```
$ npm install --save totalist
```
## Modes
There are two "versions" of `totalist` available:
#### "async"
> **Node.js:** >= 8.x<br>
> **Size (gzip):** 224 bytes<br>
> **Availability:** [CommonJS](https://unpkg.com/totalist/dist/index.js), [ES Module](https://unpkg.com/totalist/dist/index.mjs)
This is the primary/default mode. It makes use of `async`/`await` and [`util.promisify`](https://nodejs.org/api/util.html#util_util_promisify_original).
#### "sync"
> **Node.js:** >= 6.x<br>
> **Size (gzip):** 195 bytes<br>
> **Availability:** [CommonJS](https://unpkg.com/totalist/sync/index.js), [ES Module](https://unpkg.com/totalist/sync/index.mjs)
This is the opt-in mode, ideal for scenarios where `async` usage cannot be supported.
## Usage
***Selecting a Mode***
```js
// import via npm module
import totalist from 'totalist';
import totalist from 'totalist/sync';
```
***Example Usage***
```js
import totalist from 'totalist/sync';
const styles = new Set();
const scripts = new Set();
totalist('src', (name, abs, stats) => {
if (/\.js$/.test(name)) {
scripts.add(abs);
if (stats.size >= 100e3) {
console.warn(`[WARN] "${name}" might cause performance issues (${stats.size})`);
}
} else if (/\.css$/.test(name)) {
styles.add(abs);
}
});
console.log([...scripts]);
//=> [..., '/Users/lukeed/.../src/path/to/example.css', ...]
```
## API
### totalist(dir, callback)
Returns: `void`
> **Important:** The "async" usage must be `await`ed or included within a Promise chain.
#### dir
Type: `string`<br>
Required: `true`
The directory to traverse.
This may be a relative _or_ an absolute path.
> **Note**: Node.js will assume a relative path is meant to be resolved from the current location (`process.cwd()`).
#### callback
Type: `Function`<br>
Required: `true`
The callback function to run for _every_ file.
The function receives three parameters:
##### relPath
Type: `String`<br>
The path _relative to_ the initial `dir` value you provided.
##### absPath
Type: `String`<br>
The absolute path of the file.
##### stats
Type: `fs.Stats`<br>
The [`fs.Stats`](https://nodejs.org/api/fs.html#fs_class_fs_stats) object for the file.
## License
MIT © [Luke Edwards](https://lukeed.com)