28 lines
1.2 KiB
JavaScript
Executable File
28 lines
1.2 KiB
JavaScript
Executable File
/**
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* We extend Math.random() during builds and revalidates to ensure that prerenders don't observe randomness
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* When cacheComponents is enabled. randomness is a form of IO even though it resolves synchronously. When cacheComponents is
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* enabled we need to ensure that randomness is excluded from prerenders.
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*
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* The extensions here never error nor alter the random generation itself and thus should be transparent to callers.
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*/ "use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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const _utils = require("./utils");
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const expression = '`Math.random()`';
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try {
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const _random = Math.random;
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Math.random = (function random() {
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(0, _utils.io)(expression, 'random');
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return _random.apply(null, arguments);
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// We bind here to alter the `toString` printing to match `Math.random`'s native `toString`.
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// eslint-disable-next-line no-extra-bind
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}).bind(null);
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Object.defineProperty(Math.random, 'name', {
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value: 'random'
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});
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} catch {
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console.error(`Failed to install ${expression} extension. When using \`experimental.cacheComponents\` calling this function will not correctly trigger dynamic behavior.`);
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}
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//# sourceMappingURL=random.js.map
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