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18 lines
465 B
JavaScript
18 lines
465 B
JavaScript
const dataURItoBlob = require('./dataURItoBlob')
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/**
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* Save a <canvas> element's content to a Blob object.
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*
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* @param {HTMLCanvasElement} canvas
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* @returns {Promise}
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*/
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module.exports = function canvasToBlob (canvas, type, quality) {
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if (canvas.toBlob) {
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return new Promise((resolve) => {
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canvas.toBlob(resolve, type, quality)
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})
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}
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return Promise.resolve().then(() => {
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return dataURItoBlob(canvas.toDataURL(type, quality), {})
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})
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}
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