Initial Save
This commit is contained in:
43
node_modules/is-array-buffer/index.js
generated
vendored
Normal file
43
node_modules/is-array-buffer/index.js
generated
vendored
Normal file
@@ -0,0 +1,43 @@
|
||||
'use strict';
|
||||
|
||||
var callBind = require('call-bind');
|
||||
var callBound = require('call-bound');
|
||||
var GetIntrinsic = require('get-intrinsic');
|
||||
|
||||
var $ArrayBuffer = GetIntrinsic('%ArrayBuffer%', true);
|
||||
/** @type {undefined | ((receiver: ArrayBuffer) => number) | ((receiver: unknown) => never)} */
|
||||
var $byteLength = callBound('ArrayBuffer.prototype.byteLength', true);
|
||||
var $toString = callBound('Object.prototype.toString');
|
||||
|
||||
// in node 0.10, ArrayBuffers have no prototype methods, but have an own slot-checking `slice` method
|
||||
var abSlice = !!$ArrayBuffer && !$byteLength && new $ArrayBuffer(0).slice;
|
||||
var $abSlice = !!abSlice && callBind(abSlice);
|
||||
|
||||
/** @type {import('.')} */
|
||||
module.exports = $byteLength || $abSlice
|
||||
? function isArrayBuffer(obj) {
|
||||
if (!obj || typeof obj !== 'object') {
|
||||
return false;
|
||||
}
|
||||
try {
|
||||
if ($byteLength) {
|
||||
// @ts-expect-error no idea why TS can't handle the overload
|
||||
$byteLength(obj);
|
||||
} else {
|
||||
// @ts-expect-error TS chooses not to type-narrow inside a closure
|
||||
$abSlice(obj, 0);
|
||||
}
|
||||
return true;
|
||||
} catch (e) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
: $ArrayBuffer
|
||||
// in node 0.8, ArrayBuffers have no prototype or own methods, but also no Symbol.toStringTag
|
||||
? function isArrayBuffer(obj) {
|
||||
return $toString(obj) === '[object ArrayBuffer]';
|
||||
}
|
||||
// @ts-expect-error
|
||||
: function isArrayBuffer(obj) { // eslint-disable-line no-unused-vars
|
||||
return false;
|
||||
};
|
||||
Reference in New Issue
Block a user