Pure Javascript OCR for more than 100 Languages 📖🎉🖥
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const util = require('util');
const fs = require('fs');
const axios = require('axios');
const isURL = require('is-url');
const readFile = util.promisify(fs.readFile);
/**
* loadImage
*
* @name loadImage
* @function load image from different source
* @access public
*/
module.exports = async (image) => {
let data = image;
if (typeof image === 'undefined') {
return image;
}
if (typeof image === 'string') {
if (isURL(image) || image.startsWith('moz-extension://') || image.startsWith('chrome-extension://') || image.startsWith('file://')) {
const { data: _data } = await axios.get(image, { responseType: 'arraybuffer' });
data = _data;
} else if (/data:image\/([a-zA-Z]*);base64,([^"]*)/.test(image)) {
data = Buffer.from(image.split(',')[1], 'base64');
} else {
data = await readFile(image);
}
} else if (Buffer.isBuffer(image)) {
data = image;
}
return new Uint8Array(data);
};