D6697.diff
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	diff --git a/web/utils/text-utils.js b/web/utils/text-utils.js
	--- a/web/utils/text-utils.js
	+++ b/web/utils/text-utils.js
	@@ -1,10 +1,14 @@
	// @flow

	-import crypto from 'crypto';
	import invariant from 'invariant';

	let canvas;

	+declare var crypto: {
	+ getRandomValues<NumArray: $TypedArray>(typedArray: NumArray): NumArray,
	+ ...
	+};
	+
	function calculateMaxTextWidth(
	texts: $ReadOnlyArray<string>,
	font: string,
	@@ -46,7 +50,8 @@
	let str = '';

	while (str.length < length) {
	- const rand = crypto.randomBytes(drawBytes);
	+ const rand = new Uint8Array(drawBytes);
	+ crypto.getRandomValues(rand);

	for (let i = 0; str.length < length && i < drawBytes; i++) {
	if (rand[i] < validByteUpperBound) {