57 lines
1.9 KiB
Plaintext
57 lines
1.9 KiB
Plaintext
import type { PDFPageProxy } from 'pdfjs-dist';
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import type { PageCallback } from './types.js';
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/**
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* Checks if we're running in a browser environment.
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*/
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export declare const isBrowser: boolean;
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/**
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* Checks whether we're running from a local file system.
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*/
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export declare const isLocalFileSystem: boolean;
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/**
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* Checks whether a variable is defined.
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*
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* @param {*} variable Variable to check
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*/
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export declare function isDefined<T>(variable: T | undefined): variable is T;
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/**
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* Checks whether a variable is defined and not null.
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*
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* @param {*} variable Variable to check
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*/
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export declare function isProvided<T>(variable: T | null | undefined): variable is T;
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/**
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* Checks whether a variable provided is a string.
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*
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* @param {*} variable Variable to check
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*/
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export declare function isString(variable: unknown): variable is string;
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/**
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* Checks whether a variable provided is an ArrayBuffer.
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*
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* @param {*} variable Variable to check
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*/
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export declare function isArrayBuffer(variable: unknown): variable is ArrayBuffer;
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/**
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* Checks whether a variable provided is a Blob.
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*
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* @param {*} variable Variable to check
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*/
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export declare function isBlob(variable: unknown): variable is Blob;
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/**
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* Checks whether a variable provided is a data URI.
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*
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* @param {*} variable String to check
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*/
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export declare function isDataURI(variable: unknown): variable is `data:${string}`;
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export declare function dataURItoByteString(dataURI: unknown): string;
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export declare function getDevicePixelRatio(): number;
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export declare function displayCORSWarning(): void;
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export declare function displayWorkerWarning(): void;
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export declare function cancelRunningTask(runningTask?: {
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cancel?: () => void;
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} | null): void;
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export declare function makePageCallback(page: PDFPageProxy, scale: number): PageCallback;
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export declare function isCancelException(error: Error): boolean;
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export declare function loadFromFile(file: Blob): Promise<ArrayBuffer>;
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