lfk/document-server
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Added typeing to the buffer and stream conversion

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ref #3
This commit is contained in:
Nicolai Ort 2021-02-02 11:34:01 +01:00
parent 7d5b5750ad
commit 3fb8be22b7
1 changed files with 12 additions and 6 deletions
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18
src/PdfCreator.ts
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@ -1,6 +1,8 @@
import fs from "fs"; import fs from "fs";
import pdf_converter from "html-pdf"; import pdf_converter from "html-pdf";
import path from 'path'; import path from 'path';
import { Stream } from 'stream';
/** /**
* This class is responsible for all things pdf creation. * This class is responsible for all things pdf creation.
* This uses the html templates from src/templates. * This uses the html templates from src/templates.
@ -17,6 +19,10 @@ export class PdfCreator {
} }
/**
* This class is a wrapper for the pdf objects created by html-pdf.
* It offers typed conversion to Buffer and Stream.
*/
export class Pdf { export class Pdf {
content: any; content: any;
@ -27,9 +33,9 @@ export class Pdf {
/** /**
* Promise wrapper function that resolves the toBuffer promise for pdf generation. * Promise wrapper function that resolves the toBuffer promise for pdf generation.
*/ */
public async toBuffer(): Promise<any> { public async toBuffer(): Promise<Buffer> {
let promise = await new Promise((resolve, reject) => { let promise = await new Promise<Buffer>((resolve, reject) => {
this.content.toBuffer(function (err, buffer) { this.content.toBuffer(function (err, buffer: Buffer) {
resolve(buffer); resolve(buffer);
}); });
}); });
@ -39,9 +45,9 @@ export class Pdf {
/** /**
* Promise wrapper function that resolves the toStream promise for pdf generation. * Promise wrapper function that resolves the toStream promise for pdf generation.
*/ */
public async toStream(): Promise<any> { public async toStream(): Promise<Stream> {
let promise = await new Promise((resolve, reject) => { let promise = await new Promise<Stream>((resolve, reject) => {
this.content.toStream(function (err, stream) { this.content.toStream(function (err, stream: Stream) {
resolve(stream); resolve(stream);
}); });
}); });