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Editorial: replace IsResizableArrayBuffer with IsFixedLengthArrayBuffer #1521

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Sep 8, 2025
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Editorial: replace IsResizableArrayBuffer with IsFixedLengthArrayBuffer #1521

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19 changes: 8 additions & 11 deletions index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -91,9 +91,6 @@ urlPrefix: https://tc39.es/ecma262/; spec: ecmascript
url: sec-object-type
text: is an Object
text: is not an Object
urlPrefix: https://tc39.es/proposal-resizablearraybuffer/; spec: RESIZABLE-BUFFERS-PROPOSAL
type: abstract-op
text: IsResizableArrayBuffer; url: sec-isresizablearraybuffer
</pre>

<pre class=biblio>
Expand Down Expand Up @@ -9111,13 +9108,13 @@ that correspond to the union's [=member types=].
A value of an IDL {{ArrayBuffer}} is represented by an object of the corresponding JavaScript class.
If it is not [=extended attributes associated with|associated with=] the [{{AllowResizable}}]
[=extended attribute=], it can only be backed by JavaScript <l spec=ecmascript>{{ArrayBuffer}}</l>
objects |V| for which <a abstract-op>IsResizableArrayBuffer</a>(|V|) is false.
objects |V| for which <a abstract-op>IsFixedLengthArrayBuffer</a>(|V|) is true.

A value of an IDL {{SharedArrayBuffer}} is represented by an object of the corresponding JavaScript
class. If it is not [=extended attributes associated with|associated with=] the [{{AllowResizable}}]
[=extended attribute=], it can only be backed by JavaScript
<l spec=ecmascript>{{SharedArrayBuffer}}</l> objects |V| for which
<a abstract-op>IsResizableArrayBuffer</a>(|V|) is false.
<a abstract-op>IsFixedLengthArrayBuffer</a>(|V|) is true.

Values of the IDL [=buffer view types=] are represented by objects of the corresponding JavaScript
class, with the following additional restrictions on those objects.
Expand All @@ -9127,7 +9124,7 @@ class, with the following additional restrictions on those objects.
If the type is not [=extended attributes associated with|associated with=] either the
[{{AllowResizable}}] or [{{AllowShared}}] [=extended attribute=], if applicable, they can
only be backed by JavaScript <l spec=ecmascript>{{ArrayBuffer}}</l> objects |V| for which <a
abstract-op>IsResizableArrayBuffer</a>(|V|) is false.
abstract-op>IsFixedLengthArrayBuffer</a>(|V|) is true.
</li>
<li>
If the type is [=extended attributes associated with|associated with=] the
Expand All @@ -9140,7 +9137,7 @@ class, with the following additional restrictions on those objects.
[=extended attribute=] but not with the [{{AllowResizable}}] [=extended attribute=], they
can only be backed by JavaScript <l spec=ecmascript>{{ArrayBuffer}}</l> and
<l spec=ecmascript>{{SharedArrayBuffer}}</l> objects |V| for which
<a abstract-op>IsResizableArrayBuffer</a>(|V|) is false.
<a abstract-op>IsFixedLengthArrayBuffer</a>(|V|) is true.
</li>
<li>
If the type is [=extended attributes associated with|associated with=] both the
Expand All @@ -9163,7 +9160,7 @@ class, with the following additional restrictions on those objects.
a <l spec=ecmascript>{{TypeError}}</l>.
1. If the conversion is not to an IDL type
[=extended attributes associated with|associated with=] the [{{AllowResizable}}]
[=extended attribute=], and <a abstract-op>IsResizableArrayBuffer</a>(|V|) is true,
[=extended attribute=], and <a abstract-op>IsFixedLengthArrayBuffer</a>(|V|) is false,
then [=JavaScript/throw=] a <l spec=ecmascript>{{TypeError}}</l>.
1. Return the IDL {{ArrayBuffer}} value that is a reference
to the same object as |V|.
Expand All @@ -9181,7 +9178,7 @@ class, with the following additional restrictions on those objects.
a <l spec=ecmascript>{{TypeError}}</l>.
1. If the conversion is not to an IDL type
[=extended attributes associated with|associated with=] the [{{AllowResizable}}]
[=extended attribute=], and <a abstract-op>IsResizableArrayBuffer</a>(|V|) is true,
[=extended attribute=], and <a abstract-op>IsFixedLengthArrayBuffer</a>(|V|) is false,
then [=JavaScript/throw=] a <l spec=ecmascript>{{TypeError}}</l>.
1. Return the IDL {{SharedArrayBuffer}} value that is a reference
to the same object as |V|.
Expand All @@ -9201,7 +9198,7 @@ class, with the following additional restrictions on those objects.
then [=JavaScript/throw=] a <l spec=ecmascript>{{TypeError}}</l>.
1. If the conversion is not to an IDL type
[=extended attributes associated with|associated with=] the [{{AllowResizable}}]
[=extended attribute=], and <a abstract-op>IsResizableArrayBuffer</a>(|V|.\[[ViewedArrayBuffer]]) is true,
[=extended attribute=], and <a abstract-op>IsFixedLengthArrayBuffer</a>(|V|.\[[ViewedArrayBuffer]]) is false,
then [=JavaScript/throw=] a <l spec=ecmascript>{{TypeError}}</l>.
1. Return the IDL {{DataView}} value that is a reference
to the same object as |V|.
Expand Down Expand Up @@ -9236,7 +9233,7 @@ class, with the following additional restrictions on those objects.
then [=JavaScript/throw=] a <l spec=ecmascript>{{TypeError}}</l>.
1. If the conversion is not to an IDL type
[=extended attributes associated with|associated with=] the [{{AllowResizable}}]
[=extended attribute=], and <a abstract-op>IsResizableArrayBuffer</a>(|V|.\[[ViewedArrayBuffer]]) is true,
[=extended attribute=], and <a abstract-op>IsFixedLengthArrayBuffer</a>(|V|.\[[ViewedArrayBuffer]]) is false,
then [=JavaScript/throw=] a <l spec=ecmascript>{{TypeError}}</l>.
1. Return the IDL value of type |T| that is a reference to the same object as |V|.
</div>
Expand Down