Name	Last modified	Size	Description
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	README.md	1985-10-26 08:15	5.5K	0fb859dc fixed mobile overflwo options [كارل مبارك]

# webpack-sources

Contains multiple classes which represent a `Source`. A `Source` can be asked for source code, size, source map and hash.

## `Source`

Base class for all sources.

### Public methods

All methods should be considered as expensive as they may need to do computations.

#### `source`

``` js
Source.prototype.source() -> String | ArrayBuffer
```

Returns the represented source code as string.

#### `size`

``` js
Source.prototype.size() -> Number
```

Returns the size in chars of the represented source code.

#### `map`

``` js
Source.prototype.map(options: Object) -> Object | null
```

Returns the SourceMap of the represented source code as JSON. May return `null` if no SourceMap is available.

The `options` object can contain the following keys:

* `columns: Boolean` (default `true`): If set to false the implementation may omit mappings for columns.
* `module: Boolean` (default `true`): If set to false the implementation may omit inner mappings for modules.

#### `sourceAndMap`

``` js
Source.prototype.sourceAndMap(options: Object) -> {
	source: String,
	map: Object
}
```

Returns both, source code (like `Source.prototype.source()` and SourceMap (like `Source.prototype.map()`). This method could have better performance than calling `source()` and `map()` separately.

See `map()` for `options`.

#### `updateHash`

``` js
Source.prototype.updateHash(hash: Hash) -> void
```

Updates the provided `Hash` object with the content of the represented source code. (`Hash` is an object with an `update` method, which is called with string values)

#### `node` (optional)

``` js
Source.prototype.node(options: Object) -> SourceNode
```

This is an optional method. It may be `null` if not implemented.

Returns a `SourceNode` (see source-map library) for the represented source code.

See `map()` for `options`.

#### `listNode` (optional)

``` js
Source.prototype.listNode(options: Object) -> SourceNode
```

This is an optional method. It may be `null` if not implemented.

Returns a `SourceListMap` (see source-list-map library) for the represented source code.

See `map()` for `options`.

## `RawSource`

Represents source code without SourceMap.

``` js
new RawSource(sourceCode: String)
```

## `OriginalSource`

Represents source code, which is a copy of the original file.

``` js
new OriginalSource(
	sourceCode: String,
	name: String
)
```

* `sourceCode`: The source code.
* `name`: The filename of the original source code.

OriginalSource tries to create column mappings if requested, by splitting the source code at typical statement borders (`;`, `{`, `}`).

## `SourceMapSource`

Represents source code with SourceMap, optionally having an additional SourceMap for the original source.

``` js
new SourceMapSource(
	sourceCode: String,
	name: String,
	sourceMap: Object | String,
	originalSource?: String,
	innerSourceMap?: Object | String,
	removeOriginalSource?: boolean
)
```

* `sourceCode`: The source code.
* `name`: The filename of the original source code.
* `sourceMap`: The SourceMap for the source code.
* `originalSource`: The source code of the original file. Can be omitted if the `sourceMap` already contains the original source code.
* `innerSourceMap`: The SourceMap for the `originalSource`/`name`.
* `removeOriginalSource`: Removes the source code for `name` from the final map, keeping only the deeper mappings for that file.

The `SourceMapSource` supports "identity" mappings for the `innerSourceMap`.
When original source matches generated source for a mapping it's assumed to be mapped char by char allowing to keep finer mappings from `sourceMap`.

## `LineToLineMappedSource`

Represents source code, which is mapped line by line to the original file.

``` js
new LineToLineMappedSource(
	sourceCode: String,
	name: String,
	originalSource: String
)
```

* `sourceCode`: The source code.
* `name`: The filename of the original source code.
* `originalSource`: The original source code.

## `CachedSource`

Decorates a `Source` and caches returned results of `map`, `source`, `size` and `sourceAndMap` in memory. Every other operation is delegated to the wrapped `Source`.

``` js
new CachedSource(source: Source)
```

## `PrefixSource`

Prefix every line of the decorated `Source` with a provided string.

``` js
new PrefixSource(
	prefix: String,
	source: Source
)
```

## `ConcatSource`

Concatenate multiple `Source`s or strings to a single source.

``` js
new ConcatSource(
	...items?: Source | String
)
```

### Public methods

#### `add`

``` js
ConcatSource.prototype.add(item: Source | String)
```

Adds an item to the source.

## `ReplaceSource`

Decorates a `Source` with replacements and insertions of source code.

The `ReplaceSource` supports "identity" mappings for child source.
When original source matches generated source for a mapping it's assumed to be mapped char by char allowing to split mappings at replacements/insertions.

### Public methods

#### `replace`

``` js
ReplaceSource.prototype.replace(
	start: Number,
	end: Number,
	replacement: String
)
```

Replaces chars from `start` (0-indexed, inclusive) to `end` (0-indexed, inclusive) with `replacement`.

Locations represents locations in the original source and are not influenced by other replacements or insertions.

#### `insert`

``` js
ReplaceSource.prototype.insert(
	pos: Number,
	insertion: String
)
```

Inserts the `insertion` before char `pos` (0-indexed).

Location represents location in the original source and is not influenced by other replacements or insertions.

#### `original`

Get decorated `Source`.