24 lines
869 B
YAML
24 lines
869 B
YAML
define: DUK_USE_ROM_GLOBAL_INHERIT
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introduced: 1.5.0
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requires:
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- DUK_USE_ROM_STRINGS
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- DUK_USE_ROM_OBJECTS
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conflicts:
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- DUK_USE_ROM_GLOBAL_CLONE
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default: false
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tags:
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- lowmemory
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- experimental
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description: >
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When using ROM built-in objects, create a RAM-based global object by creating
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a fresh empty object which inherits from the ROM-based global object. This
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provides all the standard bindings with a small RAM footprint cost, but still
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allows the global object to be extended and existing bindings overwritten
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(but not deleted). The downside of this compared to cloning a global object
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is that the inheritance is not fully transparent and the result is less
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compliant.
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Having a writable global object is usually expected; if the global object is
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not writable, it's not possible to e.g. declare functions outside of CommonJS
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modules.
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