vue hello world项目
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'use strict';
var NATIVE_ARRAY_BUFFER = require('../internals/array-buffer-native');
var DESCRIPTORS = require('../internals/descriptors');
var global = require('../internals/global');
var isCallable = require('../internals/is-callable');
var isObject = require('../internals/is-object');
var hasOwn = require('../internals/has-own-property');
var classof = require('../internals/classof');
var tryToString = require('../internals/try-to-string');
var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
var redefine = require('../internals/redefine');
var defineProperty = require('../internals/object-define-property').f;
var isPrototypeOf = require('../internals/object-is-prototype-of');
var getPrototypeOf = require('../internals/object-get-prototype-of');
var setPrototypeOf = require('../internals/object-set-prototype-of');
var wellKnownSymbol = require('../internals/well-known-symbol');
var uid = require('../internals/uid');
var Int8Array = global.Int8Array;
var Int8ArrayPrototype = Int8Array && Int8Array.prototype;
var Uint8ClampedArray = global.Uint8ClampedArray;
var Uint8ClampedArrayPrototype = Uint8ClampedArray && Uint8ClampedArray.prototype;
var TypedArray = Int8Array && getPrototypeOf(Int8Array);
var TypedArrayPrototype = Int8ArrayPrototype && getPrototypeOf(Int8ArrayPrototype);
var ObjectPrototype = Object.prototype;
var TypeError = global.TypeError;
var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var TYPED_ARRAY_TAG = uid('TYPED_ARRAY_TAG');
var TYPED_ARRAY_CONSTRUCTOR = uid('TYPED_ARRAY_CONSTRUCTOR');
// Fixing native typed arrays in Opera Presto crashes the browser, see #595
var NATIVE_ARRAY_BUFFER_VIEWS = NATIVE_ARRAY_BUFFER && !!setPrototypeOf && classof(global.opera) !== 'Opera';
var TYPED_ARRAY_TAG_REQUIRED = false;
var NAME, Constructor, Prototype;
var TypedArrayConstructorsList = {
Int8Array: 1,
Uint8Array: 1,
Uint8ClampedArray: 1,
Int16Array: 2,
Uint16Array: 2,
Int32Array: 4,
Uint32Array: 4,
Float32Array: 4,
Float64Array: 8
};
var BigIntArrayConstructorsList = {
BigInt64Array: 8,
BigUint64Array: 8
};
var isView = function isView(it) {
if (!isObject(it)) return false;
var klass = classof(it);
return klass === 'DataView'
|| hasOwn(TypedArrayConstructorsList, klass)
|| hasOwn(BigIntArrayConstructorsList, klass);
};
var isTypedArray = function (it) {
if (!isObject(it)) return false;
var klass = classof(it);
return hasOwn(TypedArrayConstructorsList, klass)
|| hasOwn(BigIntArrayConstructorsList, klass);
};
var aTypedArray = function (it) {
if (isTypedArray(it)) return it;
throw TypeError('Target is not a typed array');
};
var aTypedArrayConstructor = function (C) {
if (isCallable(C) && (!setPrototypeOf || isPrototypeOf(TypedArray, C))) return C;
throw TypeError(tryToString(C) + ' is not a typed array constructor');
};
var exportTypedArrayMethod = function (KEY, property, forced, options) {
if (!DESCRIPTORS) return;
if (forced) for (var ARRAY in TypedArrayConstructorsList) {
var TypedArrayConstructor = global[ARRAY];
if (TypedArrayConstructor && hasOwn(TypedArrayConstructor.prototype, KEY)) try {
delete TypedArrayConstructor.prototype[KEY];
} catch (error) {
// old WebKit bug - some methods are non-configurable
try {
TypedArrayConstructor.prototype[KEY] = property;
} catch (error2) { /* empty */ }
}
}
if (!TypedArrayPrototype[KEY] || forced) {
redefine(TypedArrayPrototype, KEY, forced ? property
: NATIVE_ARRAY_BUFFER_VIEWS && Int8ArrayPrototype[KEY] || property, options);
}
};
var exportTypedArrayStaticMethod = function (KEY, property, forced) {
var ARRAY, TypedArrayConstructor;
if (!DESCRIPTORS) return;
if (setPrototypeOf) {
if (forced) for (ARRAY in TypedArrayConstructorsList) {
TypedArrayConstructor = global[ARRAY];
if (TypedArrayConstructor && hasOwn(TypedArrayConstructor, KEY)) try {
delete TypedArrayConstructor[KEY];
} catch (error) { /* empty */ }
}
if (!TypedArray[KEY] || forced) {
// V8 ~ Chrome 49-50 `%TypedArray%` methods are non-writable non-configurable
try {
return redefine(TypedArray, KEY, forced ? property : NATIVE_ARRAY_BUFFER_VIEWS && TypedArray[KEY] || property);
} catch (error) { /* empty */ }
} else return;
}
for (ARRAY in TypedArrayConstructorsList) {
TypedArrayConstructor = global[ARRAY];
if (TypedArrayConstructor && (!TypedArrayConstructor[KEY] || forced)) {
redefine(TypedArrayConstructor, KEY, property);
}
}
};
for (NAME in TypedArrayConstructorsList) {
Constructor = global[NAME];
Prototype = Constructor && Constructor.prototype;
if (Prototype) createNonEnumerableProperty(Prototype, TYPED_ARRAY_CONSTRUCTOR, Constructor);
else NATIVE_ARRAY_BUFFER_VIEWS = false;
}
for (NAME in BigIntArrayConstructorsList) {
Constructor = global[NAME];
Prototype = Constructor && Constructor.prototype;
if (Prototype) createNonEnumerableProperty(Prototype, TYPED_ARRAY_CONSTRUCTOR, Constructor);
}
// WebKit bug - typed arrays constructors prototype is Object.prototype
if (!NATIVE_ARRAY_BUFFER_VIEWS || !isCallable(TypedArray) || TypedArray === Function.prototype) {
// eslint-disable-next-line no-shadow -- safe
TypedArray = function TypedArray() {
throw TypeError('Incorrect invocation');
};
if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {
if (global[NAME]) setPrototypeOf(global[NAME], TypedArray);
}
}
if (!NATIVE_ARRAY_BUFFER_VIEWS || !TypedArrayPrototype || TypedArrayPrototype === ObjectPrototype) {
TypedArrayPrototype = TypedArray.prototype;
if (NATIVE_ARRAY_BUFFER_VIEWS) for (NAME in TypedArrayConstructorsList) {
if (global[NAME]) setPrototypeOf(global[NAME].prototype, TypedArrayPrototype);
}
}
// WebKit bug - one more object in Uint8ClampedArray prototype chain
if (NATIVE_ARRAY_BUFFER_VIEWS && getPrototypeOf(Uint8ClampedArrayPrototype) !== TypedArrayPrototype) {
setPrototypeOf(Uint8ClampedArrayPrototype, TypedArrayPrototype);
}
if (DESCRIPTORS && !hasOwn(TypedArrayPrototype, TO_STRING_TAG)) {
TYPED_ARRAY_TAG_REQUIRED = true;
defineProperty(TypedArrayPrototype, TO_STRING_TAG, { get: function () {
return isObject(this) ? this[TYPED_ARRAY_TAG] : undefined;
} });
for (NAME in TypedArrayConstructorsList) if (global[NAME]) {
createNonEnumerableProperty(global[NAME], TYPED_ARRAY_TAG, NAME);
}
}
module.exports = {
NATIVE_ARRAY_BUFFER_VIEWS: NATIVE_ARRAY_BUFFER_VIEWS,
TYPED_ARRAY_CONSTRUCTOR: TYPED_ARRAY_CONSTRUCTOR,
TYPED_ARRAY_TAG: TYPED_ARRAY_TAG_REQUIRED && TYPED_ARRAY_TAG,
aTypedArray: aTypedArray,
aTypedArrayConstructor: aTypedArrayConstructor,
exportTypedArrayMethod: exportTypedArrayMethod,
exportTypedArrayStaticMethod: exportTypedArrayStaticMethod,
isView: isView,
isTypedArray: isTypedArray,
TypedArray: TypedArray,
TypedArrayPrototype: TypedArrayPrototype
};