Matheus Sampaio Queiroga
652638e8ee
Introduces `napi.CreateAyncWorker` for background tasks and `napi.CreatePromise` for handling asynchronous operations via deferred objects. Refactors the module export registration to use `go:linkname`, replacing the previous `entry.Register` function. Adds new examples demonstrating these features and the updated export style.
45 lines
1.7 KiB
Go
45 lines
1.7 KiB
Go
package napi
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// #include <stdlib.h>
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// #include <node/node_api.h>
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import "C"
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import "unsafe"
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type Deferred unsafe.Pointer
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// This API creates a deferred object and a JavaScript promise.
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func CreatePromise(env Env) (Value, Deferred, Status) {
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var value Value
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var deferred Deferred
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status := Status(C.napi_create_promise(
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C.napi_env(env),
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(*C.napi_deferred)(unsafe.Pointer(&deferred)),
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(*C.napi_value)(unsafe.Pointer(&value)),
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))
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return value, deferred, status
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}
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// This API resolves a JavaScript promise by way of the deferred object with which it is associated.
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// Thus, it can only be used to resolve JavaScript promises for which the corresponding deferred object is available.
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// This effectively means that the promise must have been created using napi_create_promise() and the deferred object returned from that call must have been retained in order to be passed to this API.
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func ResolveDeferred(env Env, deferred Deferred, resolution Value) Status {
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return Status(C.napi_resolve_deferred(
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C.napi_env(env),
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C.napi_deferred(deferred),
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C.napi_value(resolution),
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))
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}
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// This API rejects a JavaScript promise by way of the deferred object with which it is associated.
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// Thus, it can only be used to reject JavaScript promises for which the corresponding deferred object is available.
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// This effectively means that the promise must have been created using napi_create_promise() and the deferred object returned from that call must have been retained in order to be passed to this API.
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func RejectDeferred(env Env, deferred Deferred, rejection Value) Status {
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return Status(C.napi_reject_deferred(
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C.napi_env(env),
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C.napi_deferred(deferred),
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C.napi_value(rejection),
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))
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}
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