30 lines
917 B
TypeScript
30 lines
917 B
TypeScript
import ePub from 'epubjs';
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export default function readEpubContent(file: File): Promise<string> {
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return new Promise((resolve, reject) => {
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const reader = new FileReader();
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reader.onload = function (e: any) {
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const arrayBuffer = e.target.result;
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const book = ePub(arrayBuffer);
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book.loaded?.spine?.then?.((spine: any) => {
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const chapterPromises = spine.spineItems?.map?.((chapter: any) => {
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return book.load(chapter.href).then((content: any) => {
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return content.body?.textContent || '';
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});
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});
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Promise.all(chapterPromises)
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.then((chaptersText) => {
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const result = chaptersText.join('');
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resolve(result);
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})
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.catch((error) => {
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reject(error);
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});
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});
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};
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reader.onerror = (error) => reject(error);
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reader.readAsArrayBuffer(file);
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});
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}
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