| 1 | const dataURItoBlob = require('./dataURItoBlob')
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| 2 |
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| 3 | /**
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| 4 | * Save a <canvas> element's content to a Blob object.
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| 5 | *
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| 6 | * @param {HTMLCanvasElement} canvas
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| 7 | * @returns {Promise}
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| 8 | */
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| 9 | module.exports = function canvasToBlob (canvas, type, quality) {
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| 10 | if (canvas.toBlob) {
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| 11 | return new Promise((resolve) => {
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| 12 | canvas.toBlob(resolve, type, quality)
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| 13 | })
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| 14 | }
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| 15 | return Promise.resolve().then(() => {
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| 16 | return dataURItoBlob(canvas.toDataURL(type, quality), {})
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| 17 | })
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| 18 | }
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