astro-ghostcms/.pnpm-store/v3/files/69/7ebb3eb43143ed793eb8eadf253...

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2024-02-14 19:45:06 +00:00
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $RangeError = require('es-errors/range');
var $SyntaxError = require('es-errors/syntax');
var $TypeError = require('es-errors/type');
var $ArrayBuffer = GetIntrinsic('%ArrayBuffer%', true);
var typedArrayBuffer = require('typed-array-buffer');
var typedArrayByteLength = require('typed-array-byte-length');
var typedArrayByteOffset = require('typed-array-byte-offset');
var typedArrayLength = require('typed-array-length');
var whichTypedArray = require('which-typed-array');
var isInteger = require('../helpers/isInteger');
var CloneArrayBuffer = require('./CloneArrayBuffer');
var GetValueFromBuffer = require('./GetValueFromBuffer');
var IsDetachedBuffer = require('./IsDetachedBuffer');
var IsSharedArrayBuffer = require('./IsSharedArrayBuffer');
var SameValue = require('./SameValue');
var SetValueInBuffer = require('./SetValueInBuffer');
var TypedArrayElementSize = require('./TypedArrayElementSize');
var TypedArrayElementType = require('./TypedArrayElementType');
// https://262.ecma-international.org/13.0/#sec-settypedarrayfromtypedarray
module.exports = function SetTypedArrayFromTypedArray(target, targetOffset, source) {
var whichTarget = whichTypedArray(target);
if (!whichTarget) {
throw new $TypeError('Assertion failed: target must be a TypedArray instance');
}
if (targetOffset !== Infinity && (!isInteger(targetOffset) || targetOffset < 0)) {
throw new $TypeError('Assertion failed: targetOffset must be a non-negative integer or +Infinity');
}
var whichSource = whichTypedArray(source);
if (!whichSource) {
throw new $TypeError('Assertion failed: source must be a TypedArray instance');
}
var targetBuffer = typedArrayBuffer(target); // step 1
if (IsDetachedBuffer(targetBuffer)) {
throw new $TypeError('targets buffer is detached'); // step 2
}
var targetLength = typedArrayLength(target); // step 3
var srcBuffer = typedArrayBuffer(source); // step 4
if (IsDetachedBuffer(srcBuffer)) {
throw new $TypeError('sources buffer is detached'); // step 5
}
var targetType = TypedArrayElementType(target); // step 6
var targetElementSize = TypedArrayElementSize(target); // step 7
var targetByteOffset = typedArrayByteOffset(target); // step 8
var srcType = TypedArrayElementType(source); // step 9
var srcElementSize = TypedArrayElementSize(source); // step 10
var srcLength = typedArrayLength(source); // step 11
var srcByteOffset = typedArrayByteOffset(source); // step 12
if (targetOffset === Infinity) {
throw new $RangeError('targetOffset must be a non-negative integer or +Infinity'); // step 13
}
if (srcLength + targetOffset > targetLength) {
throw new $RangeError('targetOffset + source.length must not be greater than target.length'); // step 14
}
var targetContentType = whichTarget === 'BigInt64Array' || whichTarget === 'BigUint64Array' ? 'BigInt' : 'Number';
var sourceContentType = whichSource === 'BigInt64Array' || whichSource === 'BigUint64Array' ? 'BigInt' : 'Number';
if (targetContentType !== sourceContentType) {
throw new $TypeError('source and target must have the same content type'); // step 15
}
var same;
if (IsSharedArrayBuffer(srcBuffer) && IsSharedArrayBuffer(targetBuffer)) { // step 16
// a. If srcBuffer.[[ArrayBufferData]] and targetBuffer.[[ArrayBufferData]] are the same Shared Data Block values, let same be true; else let same be false.
throw new $SyntaxError('SharedArrayBuffer is not supported by this implementation');
} else {
same = SameValue(srcBuffer, targetBuffer); // step 17
}
var srcByteIndex;
if (same) { // step 18
var srcByteLength = typedArrayByteLength(source); // step 18.a
srcBuffer = CloneArrayBuffer(srcBuffer, srcByteOffset, srcByteLength, $ArrayBuffer); // step 18.b
// c. NOTE: %ArrayBuffer% is used to clone srcBuffer because is it known to not have any observable side-effects.
srcByteIndex = 0; // step 18.d
} else {
srcByteIndex = srcByteOffset; // step 19
}
var targetByteIndex = (targetOffset * targetElementSize) + targetByteOffset; // step 20
var limit = targetByteIndex + (targetElementSize * srcLength); // step 21
var value;
if (srcType === targetType) { // step 22
// a. NOTE: If srcType and targetType are the same, the transfer must be performed in a manner that preserves the bit-level encoding of the source data.
while (targetByteIndex < limit) { // step 22.b
value = GetValueFromBuffer(srcBuffer, srcByteIndex, 'Uint8', true, 'Unordered'); // step 22.b.i
SetValueInBuffer(targetBuffer, targetByteIndex, 'Uint8', value, true, 'Unordered'); // step 22.b.ii
srcByteIndex += 1; // step 22.b.iii
targetByteIndex += 1; // step 22.b.iv
}
} else { // step 23
while (targetByteIndex < limit) { // step 23.a
value = GetValueFromBuffer(srcBuffer, srcByteIndex, srcType, true, 'Unordered'); // step 23.a.i
SetValueInBuffer(targetBuffer, targetByteIndex, targetType, value, true, 'Unordered'); // step 23.a.ii
srcByteIndex += srcElementSize; // step 23.a.iii
targetByteIndex += targetElementSize; // step 23.a.iv
}
}
};