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Only assign `vmContext.global.crypto` if not already global (#143) 

Fixes https://github.com/matrix-org/matrix-public-archive/issues/141

Node.js v19 has `crypto` set on the global already, so this change causes `vmContext.global.crypto` to be assigned only if `vmContext.global.crypto` isn’t already defined.

Otherwise, without this change, the room directory fails to render in Node.js v19+, and instead _"TypeError: Cannot set property crypto of `#<Object>` which has only a getter"_ gets thrown.
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Michael[tm] Smith 2022-11-19 03:27:50 +09:00 committed by GitHub
parent 6e2a56d726
commit 6b493ff807
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1 changed files with 5 additions and 1 deletions
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server/hydrogen-render/render-hydrogen-to-string-unsafe.js
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@ -47,7 +47,11 @@ function createDomAndSetupVmContext() {
vmContext.global.DOMParser = dom.DOMParser; vmContext.global.DOMParser = dom.DOMParser;
// Make sure `webcrypto` exists since it was only introduced in Node.js v17 // Make sure `webcrypto` exists since it was only introduced in Node.js v17
assert(crypto.webcrypto); assert(crypto.webcrypto);
vmContext.global.crypto = crypto.webcrypto; // Only assign vmContext.global.crypto if it's undefined
// (Node.js v19 has crypto set on the global already)
if (!vmContext.global.crypto) {
vmContext.global.crypto = crypto.webcrypto;
}
// So require(...) works in the vm // So require(...) works in the vm
vmContext.global.require = require; vmContext.global.require = require;