Class: MediaChain

Defined in: src/batteries/media/builder.ts:55

The chainable builder. Immutable — every verb returns a new instance sharing the executor. Thenable — await runs the chain and resolves to the terminal step's natural type.

Implements

• PromiseLike<unknown>

Constructors

Constructor

new MediaChain(exec: ChainExecutor, ops?: MediaOp[]): MediaChain;

Defined in: src/batteries/media/builder.ts:59

Parameters

Parameter	Type	Default value
exec	ChainExecutor	undefined
ops	MediaOp[]	[]

Returns

MediaChain

Accessors

audio

Get Signature

get audio(): AudioNamespace;

Defined in: src/batteries/media/builder.ts:197

Audio operations.

Returns

AudioNamespace

---

image

Get Signature

get image(): ImageNamespace;

Defined in: src/batteries/media/builder.ts:192

Image transforms.

Returns

ImageNamespace

---

sheet

Get Signature

get sheet(): SheetNamespace;

Defined in: src/batteries/media/builder.ts:182

Spreadsheet mutations.

Returns

SheetNamespace

---

slides

Get Signature

get slides(): SlidesNamespace;

Defined in: src/batteries/media/builder.ts:187

Presentation mutations.

Returns

SlidesNamespace

Methods

applyPatch()

applyPatch(patch: string, options?: {
  with?: MediaChainRef[];
}): MediaChain;

Defined in: src/batteries/media/builder.ts:133

Apply a unified-diff patch.

Parameters

Parameter	Type
patch	string
options	{ with?: MediaChainRef[]; }
options.with?	MediaChainRef[]

Returns

MediaChain

---

chunk()

chunk(options?: {
  overlap?: number;
  size?: number;
  strategy?: "sentence" | "paragraph" | "fixed";
}): MediaChain;

Defined in: src/batteries/media/builder.ts:169

Chunk extracted text. Terminal: resolves to a chunk array.

Parameters

Parameter	Type
options	{ overlap?: number; size?: number; strategy?: "sentence" | "paragraph" | "fixed"; }
options.overlap?	number
options.size?	number
options.strategy?	"sentence" | "paragraph" | "fixed"

Returns

MediaChain

---

convert()

convert(to: string): MediaChain;

Defined in: src/batteries/media/builder.ts:71

Convert to another format (requires a convert engine).

Parameters

Parameter	Type
to	string

Returns

MediaChain

---

diff()

diff(other: MediaChainRef): MediaChain;

Defined in: src/batteries/media/builder.ts:128

Compare against another media. Terminal: resolves to a structured diff.

Parameters

Parameter	Type
other	MediaChainRef

Returns

MediaChain

---

extractAssets()

extractAssets(options?: {
  types?: ("all" | "image" | "font" | "attachment")[];
}): MediaChain;

Defined in: src/batteries/media/builder.ts:160

Extract embedded assets. Terminal: resolves to a media list.

Parameters

Parameter	Type
options	{ types?: ("all" | "image" | "font" | "attachment")[]; }
options.types?	("all" | "image" | "font" | "attachment")[]

Returns

MediaChain

---

extractMetadata()

extractMetadata(): MediaChain;

Defined in: src/batteries/media/builder.ts:155

Extract metadata. Terminal: resolves to a metadata object.

Returns

MediaChain

---

extractText()

extractText(options?: {
  lang?: string[];
  ocr?: "off" | "auto" | "force";
  ocrOut?: "json" | "txt" | "hocr";
}): MediaChain;

Defined in: src/batteries/media/builder.ts:140

Extract text (routes by format; OCR engine used when needed). Terminal: resolves to text.

Parameters

Parameter	Type
options	{ lang?: string[]; ocr?: "off" | "auto" | "force"; ocrOut?: "json" | "txt" | "hocr"; }
options.lang?	string[]
options.ocr?	"off" | "auto" | "force"
options.ocrOut?	"json" | "txt" | "hocr"

Returns

MediaChain

---

merge()

merge(...others: MediaChainRef[]): MediaChain;

Defined in: src/batteries/media/builder.ts:89

Merge other media into this one, in order.

Parameters

Parameter	Type
...others	MediaChainRef[]

Returns

MediaChain

---

normalize()

normalize(): MediaChain;

Defined in: src/batteries/media/builder.ts:118

Normalize structure/encoding.

Returns

MediaChain

---

redact()

redact(options: {
  match: string | RegExp | (string | RegExp)[];
  replace?: string;
}): MediaChain;

Defined in: src/batteries/media/builder.ts:99

Redact matching text (literals or RegExp).

Parameters

Parameter	Type
options	{ match: string | RegExp | (string | RegExp)[]; replace?: string; }
options.match	string | RegExp | (string | RegExp)[]
options.replace?	string

Returns

MediaChain

---

reorder()

reorder(order: number[]): MediaChain;

Defined in: src/batteries/media/builder.ts:94

Reorder pages by 1-based index.

Parameters

Parameter	Type
order	number[]

Returns

MediaChain

---

run()

run(): Promise<StepResult>;

Defined in: src/batteries/media/builder.ts:228

Execute and return the raw PlanResult (no unwrapping).

Returns

Promise<StepResult>

---

sanitize()

sanitize(): MediaChain;

Defined in: src/batteries/media/builder.ts:113

Remove potentially unsafe embedded content.

Returns

MediaChain

---

select()

select(options: {
  pages: number[];
}): MediaChain;

Defined in: src/batteries/media/builder.ts:76

Keep only the listed 1-based pages.

Parameters

Parameter	Type
options	{ pages: number[]; }
options.pages	number[]

Returns

MediaChain

---

split()

split(options?: {
  by?: "page" | "section";
  ranges?: number[][];
}): MediaChain;

Defined in: src/batteries/media/builder.ts:81

Split by page (optionally grouped [[start,end], …]). Terminal: resolves to media list.

Parameters

Parameter	Type
options	{ by?: "page" | "section"; ranges?: number[][]; }
options.by?	"page" | "section"
options.ranges?	number[][]

Returns

MediaChain

---

then()

then<TResult1, TResult2>(onfulfilled?:
  | ((value: unknown) => TResult1 | PromiseLike<TResult1>)
  | null, onrejected?:
  | ((reason: unknown) => TResult2 | PromiseLike<TResult2>)
| null): PromiseLike<TResult1 | TResult2>;

Defined in: src/batteries/media/builder.ts:220

Thenable: awaiting the chain executes it.

Type Parameters

Type Parameter	Default type
TResult1	unknown
TResult2	never

Parameters

Parameter	Type
onfulfilled?	| ((value: unknown) => TResult1 | PromiseLike<TResult1>) | null
onrejected?	| ((reason: unknown) => TResult2 | PromiseLike<TResult2>) | null

Returns

PromiseLike<TResult1 | TResult2>

Implementation of

PromiseLike.then;

---

toOps()

toOps(): MediaOp[];

Defined in: src/batteries/media/builder.ts:204

The accumulated ops (a copy).

Returns

MediaOp[]

---

toPipe()

toPipe(): string;

Defined in: src/batteries/media/builder.ts:209

The canonical pipe form of the accumulated chain.

Returns

string

---

updateText()

updateText(anchor: string, replace: string): MediaChain;

Defined in: src/batteries/media/builder.ts:123

Replace the first occurrence of anchor text.

Parameters

Parameter	Type
anchor	string
replace	string

Returns

MediaChain

---

withOp()

withOp(verb: string, args: Record<string, MediaArgValue>): MediaChain;

Defined in: src/batteries/media/builder.ts:215

Internal — used by namespaces to append.

Parameters

Parameter	Type
verb	string
args	Record<string, MediaArgValue>

Returns

MediaChain