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doc: clarify behavior of napi_get_typedarray_info #32603

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doc: clarify behavior of napi_get_typedarray_info #32603

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doc: clarify behavior of napi_get_typedarray_info
mhdawson Apr 1, 2020
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squash:address comments
mhdawson Apr 2, 2020
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fixup! doc: clarify behavior of napi_get_typedarray_info
addaleax Apr 5, 2020
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Update doc/api/n-api.md
mhdawson Apr 8, 2020
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Update doc/api/n-api.md
mhdawson Apr 8, 2020
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Update doc/api/n-api.md
mhdawson Apr 8, 2020
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squash: address comments
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8 changes: 6 additions & 2 deletions doc/api/n-api.md
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Expand Up @@ -2447,7 +2447,8 @@ napi_status napi_get_arraybuffer_info(napi_env env,

* `[in] env`: The environment that the API is invoked under.
* `[in] arraybuffer`: `napi_value` representing the `ArrayBuffer` being queried.
* `[out] data`: The underlying data buffer of the `ArrayBuffer`.
* `[out] data`: The underlying data buffer of the `ArrayBuffer`. If byte_length
is 0 this may be NULL or any other pointer value.
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* `[out] byte_length`: Length in bytes of the underlying data buffer.

Returns `napi_ok` if the API succeeded.
Expand Down Expand Up @@ -2479,6 +2480,7 @@ napi_status napi_get_buffer_info(napi_env env,
* `[in] env`: The environment that the API is invoked under.
* `[in] value`: `napi_value` representing the `node::Buffer` being queried.
* `[out] data`: The underlying data buffer of the `node::Buffer`.
If length is 0 this may be NULL or any other pointer value.
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* `[out] length`: Length in bytes of the underlying data buffer.

Returns `napi_ok` if the API succeeded.
Expand Down Expand Up @@ -2532,7 +2534,8 @@ napi_status napi_get_typedarray_info(napi_env env,
* `[out] length`: The number of elements in the `TypedArray`.
* `[out] data`: The data buffer underlying the `TypedArray` adjusted by
the `byte_offset` value so that it points to the first element in the
`TypedArray`.
`TypedArray`. If the length of the array is 0 this may be NULL or any
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other pointer value.
* `[out] arraybuffer`: The `ArrayBuffer` underlying the `TypedArray`.
* `[out] byte_offset`: The byte offset within the underlying native array
at which the first element of the arrays is located. The value for the data
Expand Down Expand Up @@ -2567,6 +2570,7 @@ napi_status napi_get_dataview_info(napi_env env,
properties to query.
* `[out] byte_length`: `Number` of bytes in the `DataView`.
* `[out] data`: The data buffer underlying the `DataView`.
If byte_length is 0 this may be NULL or any other pointer value.
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* `[out] arraybuffer`: `ArrayBuffer` underlying the `DataView`.
* `[out] byte_offset`: The byte offset within the data buffer from which
to start projecting the `DataView`.
Expand Down