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Add a structuredClone() global - #518
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dcp-client's supervisor clones its origin-access templates and error shapes with structuredClone(), which SpiderMonkey's shell globals don't provide, so localExec() under PythonMonkey stops there. Use core-js's polyfill, as url.js and dom-exception.js already do. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This was referenced Nov 11, 2026
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Adds
structuredClone()as a global, using core-js's polyfill, the same wayurl.jsanddom-exception.jsprovideURLandDOMException.dcp-client's supervisor calls
structuredClone()(origin access templates, error shapes). Without it,localExec()under PythonMonkey stops at the supervisor (dcp MR !3327).builtin_modules/structured-clone.js, loaded at import next tourlglobal.d.tsdeclarationtests/js/structured-clone.simple: arrays, Map, Date, Uint8Array, cycles, andDataCloneErrorfor functionsTested with
pmjson macOS arm64 against an installed 1.4.1 with the module overlaid;url.simple,test-atob-btoa.simpleandset-timeout.simplestill pass.🤖 Generated with Claude Code