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Updated ThumbnailGenerator to work with IE

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Use the polyfill for Math.log2() since IE doesn't support this method
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Dirk-Jan Wassink 2018-06-06 12:08:48 +02:00 • committed by GitHub
parent 2f0b549a81
commit 4ddc9da47b
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src/plugins/ThumbnailGenerator/index.js
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@ -105,7 +105,9 @@ module.exports = class ThumbnailGenerator extends Plugin {
image = this.protect(image)
var steps = Math.ceil(Math.log2(image.width / targetWidth))
// Use the Polyfill for Math.log2() since IE doesn't support log2
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/log2#Polyfill
var steps = Math.ceil(Math.log(image.width / targetWidth) * Math.LOG2E);
if (steps < 1) {
steps = 1
}