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Added validateImageFormat function in createWorker.js #974

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Added validateImageFormat function in createWorker.js #974

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9 changes: 9 additions & 0 deletions src/createWorker.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
const { log } = require('./utils/log');
const getId = require('./utils/getId');
const OEM = require('./constants/OEM');
const { FORMATS } = require('../tests/constants');
const {
defaultOptions,
spawnWorker,
Expand All @@ -13,6 +14,13 @@
send,
} = require('./worker/node');

const validateImageFormat = (imagePath) => {
const format = imagePath.split('.').pop().toLowerCase();
if (!FORMATS.includes(format)) {
throw new Error(`Unsupported image format: ${format}. Tesseract.js supports: ${FORMATS.join(', ')}`);
}
};

let workerCounter = 0;

module.exports = async (langs = 'eng', oem = OEM.LSTM_ONLY, _options = {}, config = {}) => {
Expand Down Expand Up @@ -185,6 +193,7 @@
const recognize = async (image, opts = {}, output = {
blocks: true, text: true, hocr: true, tsv: true,
}, jobId) => (
validateImageFormat(image),

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startJob(createJob({
id: jobId,
action: 'recognize',
Expand Down
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