45 lines
1.4 KiB
TypeScript
45 lines
1.4 KiB
TypeScript
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import { PdfFile } from '../wrappers/PdfFile.js';
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import { splitPagesByIndex } from "./common/splitPagesByIndex.js";
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import { detectEmptyPages } from "./common/detectEmptyPages.js";
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import { detectQRCodePages } from "./common/detectQRCodePages.js";
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export type SplitOnParamsType = {
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file: PdfFile;
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type: "BAR_CODE"|"QR_CODE"|"BLANK_PAGE";
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whiteThreashold?: number;
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}
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export async function splitPagesByPreset(params: SplitOnParamsType): Promise<PdfFile[]> {
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const { file, type, whiteThreashold } = params;
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console.log("File: ", file);
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let splitAtPages: number[];
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switch (type) {
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case "BAR_CODE":
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// TODO: Implement
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throw new Error("This split-type has not been implemented yet");
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case "QR_CODE":
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splitAtPages = await detectQRCodePages(file);
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break;
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case "BLANK_PAGE":
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if (!whiteThreashold)
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throw new Error("White threshold not provided");
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splitAtPages = await detectEmptyPages(file, whiteThreashold);
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break;
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default:
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throw new Error("An invalid split-type was provided.");
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}
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console.debug("Split At Pages: ", splitAtPages);
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const newFiles = await splitPagesByIndex(file, splitAtPages);
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for (let i = 0; i < newFiles.length; i++) {
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newFiles[i].filename += "_split-"+i;
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}
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return newFiles;
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};
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