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40 lines
1.1 KiB
40 lines
1.1 KiB
const util = require('util'); |
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const fs = require('fs'); |
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const fetch = require('node-fetch'); |
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const isURL = require('is-url'); |
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const jo = require('jpeg-autorotate'); |
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const readFile = util.promisify(fs.readFile); |
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/** |
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* loadImage |
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* |
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* @name loadImage |
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* @function load image from different source |
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* @access public |
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*/ |
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module.exports = async (image) => { |
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let data = image; |
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if (typeof image === 'undefined') { |
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return image; |
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} |
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if (typeof image === 'string') { |
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if (isURL(image) || image.startsWith('moz-extension://') || image.startsWith('chrome-extension://') || image.startsWith('file://')) { |
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const resp = await fetch(image); |
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data = await resp.arrayBuffer(); |
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} else if (/data:image\/([a-zA-Z]*);base64,([^"]*)/.test(image)) { |
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data = Buffer.from(image.split(',')[1], 'base64'); |
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} else { |
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data = await readFile(image); |
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} |
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} else if (Buffer.isBuffer(image)) { |
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data = image; |
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} |
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try { |
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data = (await jo.rotate(data, { quality: 100 })).buffer; |
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} catch (_) {} /* eslint-disable-line */ |
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return new Uint8Array(data); |
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};
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