safeer-pdf-generator/dist/esm/types.d.ts

Framework-agnostic PDF generation library with chunking, merging, S3 upload, and email delivery

/**
 * Core type definitions for PDF Reporter
 */
export interface LoggingAdapter {
    debug(message: string, ...args: any[]): void;
    info(message: string, ...args: any[]): void;
    warn(message: string, ...args: any[]): void;
    error(message: string, ...args: any[]): void;
}
export interface ColumnDefinition {
    key: string;
    title: string;
    dataIndex: string;
    flex?: number;
    type?: 'image' | 'boolean' | 'text' | 'link';
}
export interface UserInfo {
    name?: string;
    email?: string;
    mobile?: string;
    companyLogo?: string;
    companyName?: string;
    companyLogoBase64?: string;
}
export interface InfoSection {
    label: string;
    value: string;
}
export interface ChunkingOptions {
    enabled?: boolean;
    chunkSize?: number;
    maxConcurrency?: number;
}
export interface PuppeteerOptions {
    executablePath?: string;
    args?: string[];
    headless?: boolean;
    protocolTimeout?: number;
}
export interface PdfOptions {
    format?: string;
    landscape?: boolean;
    printBackground?: boolean;
    margin?: {
        top?: string;
        left?: string;
        right?: string;
        bottom?: string;
    };
    displayHeaderFooter?: boolean;
}
export interface LogoFetchOptions {
    inlineAsBase64?: boolean;
    fetcher?: (url: string) => Promise<string>;
}
export interface TotalsConfig {
    columns: string[];
    aggregator?: (rows: any[], col: string) => any;
}
export interface HooksConfig {
    beforeChunkRender?: (params: any) => void | Promise<void>;
    afterChunkRender?: (result: Buffer, params: any) => void | Promise<void>;
    beforeMerge?: (chunks: Buffer[]) => void | Promise<void>;
    afterMerge?: (merged: Buffer) => void | Promise<void>;
    transformHtml?: (html: string, stage: 'pre' | 'post') => string;
    transformColumnValue?: (value: any, column: ColumnDefinition, row: any) => any;
}
export interface S3UploadConfig {
    bucket: string;
    region: string;
    accessKeyId?: string;
    secretAccessKey?: string;
    folder?: string;
    acl?: string;
    contentType?: string;
    endpoint?: string;
}
export interface EmailSendConfig {
    to: string;
    from?: string;
    subject?: string;
    transport?: any;
    smtp?: {
        host: string;
        port: number;
        secure?: boolean;
        auth: {
            user: string;
            pass: string;
        };
    };
    attachmentMode?: 'attachment' | 'link';
    template?: string | EmailTemplateFunction;
}
export type EmailTemplateFunction = (context: EmailTemplateContext) => string;
export interface EmailTemplateContext {
    title: string;
    generatedAt: string;
    downloadUrl?: string;
    fileSizeMB: number;
    user?: UserInfo;
    company?: {
        name?: string;
    };
}
export interface TemplateCompilerFunction {
    (params: TemplateCompilerParams): TemplateCompilerResult;
}
export interface TemplateCompilerParams {
    title: string;
    data: any[];
    columns: ColumnDefinition[];
    locale?: string;
    userInfo?: UserInfo;
    infoSection?: InfoSection[];
    pdfFilteredColumns?: string[];
    translationFn?: (key: string) => string;
    chunkInfo?: {
        current: number;
        total: number;
        startRow: number;
        endRow: number;
    };
}
export interface TemplateCompilerResult {
    html: string;
    header: string;
    footer: string;
}
export interface PdfGenerationOptions {
    title: string;
    data: any[];
    columns: ColumnDefinition[];
    locale?: string;
    userInfo?: UserInfo;
    infoSection?: InfoSection[];
    filteredColumnKeys?: string[];
    translationFn?: (key: string) => string;
    chunking?: ChunkingOptions;
    template?: string | TemplateCompilerFunction;
    headerTemplate?: string | ((ctx: any) => string);
    footerTemplate?: string | ((ctx: any) => string);
    includeTotals?: boolean;
    totalsConfig?: TotalsConfig;
    email?: EmailSendConfig | false;
    s3?: S3UploadConfig | false;
    return?: 'buffer' | 'stream' | 'file';
    outputPath?: string;
    logoFetch?: LogoFetchOptions;
    hooks?: HooksConfig;
    timeoutMs?: number;
    puppeteer?: PuppeteerOptions;
    pdf?: PdfOptions;
    logging?: LoggingAdapter;
}
export interface PdfGenerationResult {
    buffer: Buffer;
    sizeBytes: number;
    pageCount: number;
    durationMs: number;
    fileName: string;
    metadata: {
        title: string;
        chunkCount: number;
        rows: number;
        generatedAt: string;
    };
    s3?: {
        url: string;
        key: string;
    };
    email?: {
        sent: boolean;
        to?: string;
        messageId?: string;
        error?: string;
    };
}
export interface MergePdfsOptions {
    logging?: LoggingAdapter;
}
export interface S3UploadResult {
    url: string;
    key: string;
}
export interface EmailResult {
    sent: boolean;
    messageId?: string;
    error?: string;
}
export interface UploaderAdapter {
    upload(buffer: Buffer, filename: string, mimeType: string, options?: any): Promise<S3UploadResult>;
}
export interface EmailSenderAdapter {
    send(options: EmailSendConfig, buffer: Buffer, filename: string): Promise<EmailResult>;
}
export declare class PdfGenerationError extends Error {
    cause?: Error | undefined;
    constructor(message: string, cause?: Error | undefined);
}
export declare class TemplateError extends Error {
    cause?: Error | undefined;
    constructor(message: string, cause?: Error | undefined);
}
export declare class S3UploadError extends Error {
    cause?: Error | undefined;
    constructor(message: string, cause?: Error | undefined);
}
export declare class EmailError extends Error {
    cause?: Error | undefined;
    constructor(message: string, cause?: Error | undefined);
}
export declare class ChunkProcessingError extends Error {
    chunkIndex?: number | undefined;
    cause?: Error | undefined;
    constructor(message: string, chunkIndex?: number | undefined, cause?: Error | undefined);
}
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