7f2dd5260f
- Complete React app with 7 developer tools - JSON Tool with visual structured editor - Serialize Tool with visual structured editor - URL, Base64, CSV/JSON, Beautifier, Diff tools - Responsive navigation with dropdown menu - Dark/light mode toggle - Mobile-responsive design with sticky header - All tools working with copy/paste functionality
40 lines
1.6 KiB
JavaScript
40 lines
1.6 KiB
JavaScript
'use strict';
|
|
var $ = require('../internals/export');
|
|
var uncurryThis = require('../internals/function-uncurry-this-clause');
|
|
var fails = require('../internals/fails');
|
|
var ArrayBufferModule = require('../internals/array-buffer');
|
|
var anObject = require('../internals/an-object');
|
|
var toAbsoluteIndex = require('../internals/to-absolute-index');
|
|
var toLength = require('../internals/to-length');
|
|
|
|
var ArrayBuffer = ArrayBufferModule.ArrayBuffer;
|
|
var DataView = ArrayBufferModule.DataView;
|
|
var DataViewPrototype = DataView.prototype;
|
|
var nativeArrayBufferSlice = uncurryThis(ArrayBuffer.prototype.slice);
|
|
var getUint8 = uncurryThis(DataViewPrototype.getUint8);
|
|
var setUint8 = uncurryThis(DataViewPrototype.setUint8);
|
|
|
|
var INCORRECT_SLICE = fails(function () {
|
|
return !new ArrayBuffer(2).slice(1, undefined).byteLength;
|
|
});
|
|
|
|
// `ArrayBuffer.prototype.slice` method
|
|
// https://tc39.es/ecma262/#sec-arraybuffer.prototype.slice
|
|
$({ target: 'ArrayBuffer', proto: true, unsafe: true, forced: INCORRECT_SLICE }, {
|
|
slice: function slice(start, end) {
|
|
if (nativeArrayBufferSlice && end === undefined) {
|
|
return nativeArrayBufferSlice(anObject(this), start); // FF fix
|
|
}
|
|
var length = anObject(this).byteLength;
|
|
var first = toAbsoluteIndex(start, length);
|
|
var fin = toAbsoluteIndex(end === undefined ? length : end, length);
|
|
var result = new ArrayBuffer(toLength(fin - first));
|
|
var viewSource = new DataView(this);
|
|
var viewTarget = new DataView(result);
|
|
var index = 0;
|
|
while (first < fin) {
|
|
setUint8(viewTarget, index++, getUint8(viewSource, first++));
|
|
} return result;
|
|
}
|
|
});
|