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Diffstat (limited to 'node_modules/core-js/modules/$.buffer.js')
-rw-r--r--node_modules/core-js/modules/$.buffer.js288
1 files changed, 0 insertions, 288 deletions
diff --git a/node_modules/core-js/modules/$.buffer.js b/node_modules/core-js/modules/$.buffer.js
deleted file mode 100644
index d1aae58a4..000000000
--- a/node_modules/core-js/modules/$.buffer.js
+++ /dev/null
@@ -1,288 +0,0 @@
-'use strict';
-var $ = require('./$')
- , global = require('./$.global')
- , $typed = require('./$.typed')
- , redefineAll = require('./$.redefine-all')
- , strictNew = require('./$.strict-new')
- , toInteger = require('./$.to-integer')
- , toLength = require('./$.to-length')
- , arrayFill = require('./$.array-fill')
- , $ArrayBuffer = global.ArrayBuffer
- , $DataView = global.DataView
- , Math = global.Math
- , parseInt = global.parseInt
- , abs = Math.abs
- , pow = Math.pow
- , min = Math.min
- , floor = Math.floor
- , log = Math.log
- , LN2 = Math.LN2
- , BYTE_LENGTH = 'byteLength';
-
-// pack / unpack based on
-// https://github.com/inexorabletash/polyfill/blob/v0.1.11/typedarray.js#L123-L264
-// TODO: simplify
-var signed = function(value, bits){
- var s = 32 - bits;
- return value << s >> s;
-};
-var unsigned = function(value, bits){
- var s = 32 - bits;
- return value << s >>> s;
-};
-var roundToEven = function(n){
- var w = floor(n)
- , f = n - w;
- return f < .5 ? w : f > .5 ? w + 1 : w % 2 ? w + 1 : w;
-};
-var packI8 = function(n){
- return [n & 0xff];
-};
-var unpackI8 = function(bytes){
- return signed(bytes[0], 8);
-};
-var packU8 = function(n){
- return [n & 0xff];
-};
-var unpackU8 = function(bytes){
- return unsigned(bytes[0], 8);
-};
-var packI16 = function(n){
- return [n & 0xff, n >> 8 & 0xff];
-};
-var unpackI16 = function(bytes){
- return signed(bytes[1] << 8 | bytes[0], 16);
-};
-var packU16 = function(n){
- return [n & 0xff, n >> 8 & 0xff];
-};
-var unpackU16 = function(bytes){
- return unsigned(bytes[1] << 8 | bytes[0], 16);
-};
-var packI32 = function(n){
- return [n & 0xff, n >> 8 & 0xff, n >> 16 & 0xff, n >> 24 & 0xff];
-};
-var unpackI32 = function(bytes){
- return signed(bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0], 32);
-};
-var packU32 = function(n){
- return [n & 0xff, n >> 8 & 0xff, n >> 16 & 0xff, n >> 24 & 0xff];
-};
-var unpackU32 = function(bytes){
- return unsigned(bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0], 32);
-};
-var packIEEE754 = function(v, ebits, fbits) {
- var bias = (1 << ebits - 1) - 1
- , s, e, f, i, bits, str, bytes;
- // Compute sign, exponent, fraction
- if (v !== v) {
- // NaN
- // http://dev.w3.org/2006/webapi/WebIDL/#es-type-mapping
- e = (1 << ebits) - 1;
- f = pow(2, fbits - 1);
- s = 0;
- } else if(v === Infinity || v === -Infinity){
- e = (1 << ebits) - 1;
- f = 0;
- s = v < 0 ? 1 : 0;
- } else if(v === 0){
- e = 0;
- f = 0;
- s = 1 / v === -Infinity ? 1 : 0;
- } else {
- s = v < 0;
- v = abs(v);
- if(v >= pow(2, 1 - bias)){
- e = min(floor(log(v) / LN2), 1023);
- var significand = v / pow(2, e);
- if(significand < 1){
- e -= 1;
- significand *= 2;
- }
- if(significand >= 2){
- e += 1;
- significand /= 2;
- }
- f = roundToEven(significand * pow(2, fbits));
- if(f / pow(2, fbits) >= 2){
- e = e + 1;
- f = 1;
- }
- if(e > bias){
- // Overflow
- e = (1 << ebits) - 1;
- f = 0;
- } else {
- // Normalized
- e = e + bias;
- f = f - pow(2, fbits);
- }
- } else {
- // Denormalized
- e = 0;
- f = roundToEven(v / pow(2, 1 - bias - fbits));
- }
- }
- // Pack sign, exponent, fraction
- bits = [];
- for(i = fbits; i; i -= 1){
- bits.push(f % 2 ? 1 : 0);
- f = floor(f / 2);
- }
- for(i = ebits; i; i -= 1){
- bits.push(e % 2 ? 1 : 0);
- e = floor(e / 2);
- }
- bits.push(s ? 1 : 0);
- bits.reverse();
- str = bits.join('');
- // Bits to bytes
- bytes = [];
- while(str.length){
- bytes.unshift(parseInt(str.slice(0, 8), 2));
- str = str.slice(8);
- }
- return bytes;
-};
-var unpackIEEE754 = function(bytes, ebits, fbits){
- var bits = []
- , i, j, b, str, bias, s, e, f;
- for(i = 0; i < bytes.length; ++i)for(b = bytes[i], j = 8; j; --j){
- bits.push(b % 2 ? 1 : 0);
- b = b >> 1;
- }
- bits.reverse();
- str = bits.join('');
- // Unpack sign, exponent, fraction
- bias = (1 << ebits - 1) - 1;
- s = parseInt(str.slice(0, 1), 2) ? -1 : 1;
- e = parseInt(str.slice(1, 1 + ebits), 2);
- f = parseInt(str.slice(1 + ebits), 2);
- // Produce number
- if(e === (1 << ebits) - 1)return f !== 0 ? NaN : s * Infinity;
- // Normalized
- else if(e > 0)return s * pow(2, e - bias) * (1 + f / pow(2, fbits));
- // Denormalized
- else if(f !== 0)return s * pow(2, -(bias - 1)) * (f / pow(2, fbits));
- return s < 0 ? -0 : 0;
-};
-var unpackF64 = function(b){
- return unpackIEEE754(b, 11, 52);
-};
-var packF64 = function(v){
- return packIEEE754(v, 11, 52);
-};
-var unpackF32 = function(b){
- return unpackIEEE754(b, 8, 23);
-};
-var packF32 = function(v){
- return packIEEE754(v, 8, 23);
-};
-
-var addGetter = function(C, key, internal){
- $.setDesc(C.prototype, key, {get: function(){ return this[internal]; }});
-};
-
-var get = function(view, bytes, index, conversion, isLittleEndian){
- var numIndex = +index
- , intIndex = toInteger(numIndex);
- if(numIndex != intIndex || intIndex < 0 || intIndex + bytes > view._l)throw RangeError();
- var store = view._b._b
- , start = intIndex + view._o
- , pack = store.slice(start, start + bytes);
- isLittleEndian || pack.reverse();
- return conversion(pack);
-};
-var set = function(view, bytes, index, conversion, value, isLittleEndian){
- var numIndex = +index
- , intIndex = toInteger(numIndex);
- if(numIndex != intIndex || intIndex < 0 || intIndex + bytes > view._l)throw RangeError();
- var store = view._b._b
- , start = intIndex + view._o
- , pack = conversion(+value);
- isLittleEndian || pack.reverse();
- for(var i = 0; i < bytes; i++)store[start + i] = pack[i];
-};
-
-if(!$typed.ABV){
- $ArrayBuffer = function ArrayBuffer(length){
- strictNew(this, $ArrayBuffer, 'ArrayBuffer');
- var numberLength = +length
- , byteLength = toLength(numberLength);
- if(numberLength != byteLength)throw RangeError();
- this._b = arrayFill.call(Array(byteLength), 0);
- this._l = byteLength;
- };
- addGetter($ArrayBuffer, BYTE_LENGTH, '_l');
-
- $DataView = function DataView(buffer, byteOffset, byteLength){
- strictNew(this, $DataView, 'DataView');
- if(!(buffer instanceof $ArrayBuffer))throw TypeError();
- var bufferLength = buffer._l
- , offset = toInteger(byteOffset);
- if(offset < 0 || offset > bufferLength)throw RangeError();
- byteLength = byteLength === undefined ? bufferLength - offset : toLength(byteLength);
- if(offset + byteLength > bufferLength)throw RangeError();
- this._b = buffer;
- this._o = offset;
- this._l = byteLength;
- };
- addGetter($DataView, 'buffer', '_b');
- addGetter($DataView, BYTE_LENGTH, '_l');
- addGetter($DataView, 'byteOffset', '_o');
- redefineAll($DataView.prototype, {
- getInt8: function getInt8(byteOffset){
- return get(this, 1, byteOffset, unpackI8);
- },
- getUint8: function getUint8(byteOffset){
- return get(this, 1, byteOffset, unpackU8);
- },
- getInt16: function getInt16(byteOffset /*, littleEndian */){
- return get(this, 2, byteOffset, unpackI16, arguments.length > 1 ? arguments[1] : undefined);
- },
- getUint16: function getUint16(byteOffset /*, littleEndian */){
- return get(this, 2, byteOffset, unpackU16, arguments.length > 1 ? arguments[1] : undefined);
- },
- getInt32: function getInt32(byteOffset /*, littleEndian */){
- return get(this, 4, byteOffset, unpackI32, arguments.length > 1 ? arguments[1] : undefined);
- },
- getUint32: function getUint32(byteOffset /*, littleEndian */){
- return get(this, 4, byteOffset, unpackU32, arguments.length > 1 ? arguments[1] : undefined);
- },
- getFloat32: function getFloat32(byteOffset /*, littleEndian */){
- return get(this, 4, byteOffset, unpackF32, arguments.length > 1 ? arguments[1] : undefined);
- },
- getFloat64: function getFloat64(byteOffset /*, littleEndian */){
- return get(this, 8, byteOffset, unpackF64, arguments.length > 1 ? arguments[1] : undefined);
- },
- setInt8: function setInt8(byteOffset, value){
- return set(this, 1, byteOffset, packI8, value);
- },
- setUint8: function setUint8(byteOffset, value){
- return set(this, 1, byteOffset, packU8, value);
- },
- setInt16: function setInt16(byteOffset, value /*, littleEndian */){
- return set(this, 2, byteOffset, packI16, value, arguments.length > 2 ? arguments[2] : undefined);
- },
- setUint16: function setUint16(byteOffset, value /*, littleEndian */){
- return set(this, 2, byteOffset, packU16, value, arguments.length > 2 ? arguments[2] : undefined);
- },
- setInt32: function setInt32(byteOffset, value /*, littleEndian */){
- return set(this, 4, byteOffset, packI32, value, arguments.length > 2 ? arguments[2] : undefined);
- },
- setUint32: function setUint32(byteOffset, value /*, littleEndian */){
- return set(this, 4, byteOffset, packU32, value, arguments.length > 2 ? arguments[2] : undefined);
- },
- setFloat32: function setFloat32(byteOffset, value /*, littleEndian */){
- return set(this, 4, byteOffset, packF32, value, arguments.length > 2 ? arguments[2] : undefined);
- },
- setFloat64: function setFloat64(byteOffset, value /*, littleEndian */){
- return set(this, 8, byteOffset, packF64, value, arguments.length > 2 ? arguments[2] : undefined);
- }
- });
-}
-require('./$.hide')($DataView.prototype, $typed.VIEW, true);
-module.exports = {
- ArrayBuffer: $ArrayBuffer,
- DataView: $DataView
-}; \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2025-09-12 08:11:52 +0000