22 lines
482 B
JavaScript
22 lines
482 B
JavaScript
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'use strict';
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const {PNG} = require('pngjs');
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module.exports = async (buffer, options) => {
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if (!Buffer.isBuffer(buffer)) {
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throw new TypeError(`Expected \`buffer\` to be of type \`Buffer\` but received type \`${typeof buffer}\``);
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}
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return new Promise((resolve, reject) => {
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let png = new PNG(options);
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png.on('metadata', data => {
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png = Object.assign(png, data);
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});
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png.on('error', reject);
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png.on('parsed', () => resolve(png));
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png.end(buffer);
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});
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};
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