31 lines
1.2 KiB
JavaScript
31 lines
1.2 KiB
JavaScript
const fs = require('fs')
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const path = require('path')
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const { DOMMatrix, ImageData, Path2D } = require('@napi-rs/canvas')
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global.DOMMatrix = DOMMatrix
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global.ImageData = ImageData
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global.Path2D = Path2D
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if (!process.getBuiltinModule) process.getBuiltinModule = name => require(name)
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async function main() {
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const pdfjs = await import('pdfjs-dist/legacy/build/pdf.mjs')
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const root = path.resolve(__dirname, '..', '..')
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const pdfPath = path.resolve(root, 'doc', '大连元利流体技术有限公司MES系统用户操作手册_V1.1_2026-07-23.pdf')
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const terms = process.argv.slice(2)
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const pdf = await pdfjs.getDocument({ data: new Uint8Array(fs.readFileSync(pdfPath)), disableWorker: true }).promise
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console.log(`PDF pages: ${pdf.numPages}`)
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for (let pageNumber = 1; pageNumber <= pdf.numPages; pageNumber++) {
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const page = await pdf.getPage(pageNumber)
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const content = await page.getTextContent()
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const text = content.items.map(item => item.str).join(' ').replace(/\s+/g, ' ').trim()
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if (terms.length === 0 || terms.some(term => text.includes(term))) {
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console.log(`${pageNumber}\t${text.slice(0, 220)}`)
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}
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}
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}
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main().catch(error => {
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console.error(error.stack || error.message)
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process.exitCode = 1
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})
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