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40 lines
1.9 KiB
40 lines
1.9 KiB
3 years ago
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/// <reference types="node" />
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import { Transform, TransformOptions, Readable } from "stream";
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import { CSVParseParam } from "./Parameters";
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import { ParseRuntime } from "./ParseRuntime";
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import CSVError from "./CSVError";
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export declare class Converter extends Transform implements PromiseLike<any[]> {
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options: TransformOptions;
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preRawData(onRawData: PreRawDataCallback): Converter;
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preFileLine(onFileLine: PreFileLineCallback): Converter;
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subscribe(onNext?: (data: any, lineNumber: number) => void | PromiseLike<void>, onError?: (err: CSVError) => void, onCompleted?: () => void): Converter;
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fromFile(filePath: string, options?: string | CreateReadStreamOption | undefined): Converter;
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fromStream(readStream: Readable): Converter;
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fromString(csvString: string): Converter;
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then<TResult1 = any[], TResult2 = never>(onfulfilled?: (value: any[]) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>): PromiseLike<TResult1 | TResult2>;
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readonly parseParam: CSVParseParam;
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readonly parseRuntime: ParseRuntime;
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private params;
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private runtime;
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private processor;
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private result;
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constructor(param?: Partial<CSVParseParam>, options?: TransformOptions);
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_transform(chunk: any, encoding: string, cb: Function): void;
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_flush(cb: Function): void;
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private processEnd(cb);
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readonly parsedLineNumber: number;
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}
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export interface CreateReadStreamOption {
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flags?: string;
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encoding?: string;
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fd?: number;
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mode?: number;
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autoClose?: boolean;
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start?: number;
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end?: number;
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highWaterMark?: number;
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}
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export declare type CallBack = (err: Error, data: Array<any>) => void;
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export declare type PreFileLineCallback = (line: string, lineNumber: number) => string | PromiseLike<string>;
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export declare type PreRawDataCallback = (csvString: string) => string | PromiseLike<string>;
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