vue hello world项目
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{"ast":null,"code":"import \"core-js/modules/web.immediate.js\";\n\n/*!\n * Vue.js v2.6.14\n * (c) 2014-2021 Evan You\n * Released under the MIT License.\n */\n\n/* */\nvar emptyObject = Object.freeze({}); // These helpers produce better VM code in JS engines due to their\n// explicitness and function inlining.\n\nfunction isUndef(v) {\n return v === undefined || v === null;\n}\n\nfunction isDef(v) {\n return v !== undefined && v !== null;\n}\n\nfunction isTrue(v) {\n return v === true;\n}\n\nfunction isFalse(v) {\n return v === false;\n}\n/**\n * Check if value is primitive.\n */\n\n\nfunction isPrimitive(value) {\n return typeof value === 'string' || typeof value === 'number' || // $flow-disable-line\n typeof value === 'symbol' || typeof value === 'boolean';\n}\n/**\n * Quick object check - this is primarily used to tell\n * Objects from primitive values when we know the value\n * is a JSON-compliant type.\n */\n\n\nfunction isObject(obj) {\n return obj !== null && typeof obj === 'object';\n}\n/**\n * Get the raw type string of a value, e.g., [object Object].\n */\n\n\nvar _toString = Object.prototype.toString;\n\nfunction toRawType(value) {\n return _toString.call(value).slice(8, -1);\n}\n/**\n * Strict object type check. Only returns true\n * for plain JavaScript objects.\n */\n\n\nfunction isPlainObject(obj) {\n return _toString.call(obj) === '[object Object]';\n}\n\nfunction isRegExp(v) {\n return _toString.call(v) === '[object RegExp]';\n}\n/**\n * Check if val is a valid array index.\n */\n\n\nfunction isValidArrayIndex(val) {\n var n = parseFloat(String(val));\n return n >= 0 && Math.floor(n) === n && isFinite(val);\n}\n\nfunction isPromise(val) {\n return isDef(val) && typeof val.then === 'function' && typeof val.catch === 'function';\n}\n/**\n * Convert a value to a string that is actually rendered.\n */\n\n\nfunction toString(val) {\n return val == null ? '' : Array.isArray(val) || isPlainObject(val) && val.toString === _toString ? JSON.stringify(val, null, 2) : String(val);\n}\n/**\n * Convert an input value to a number for persistence.\n * If the conversion fails, return original string.\n */\n\n\nfunction toNumber(val) {\n var n = parseFloat(val);\n return isNaN(n) ? val : n;\n}\n/**\n * Make a map and return a function for checking if a key\n * is in that map.\n */\n\n\nfunction makeMap(str, expectsLowerCase) {\n var map = Object.create(null);\n var list = str.split(',');\n\n for (var i = 0; i < list.length; i++) {\n map[list[i]] = true;\n }\n\n return expectsLowerCase ? function (val) {\n return map[val.toLowerCase()];\n } : function (val) {\n return map[val];\n };\n}\n/**\n * Check if a tag is a built-in tag.\n */\n\n\nvar isBuiltInTag = makeMap('slot,component', true);\n/**\n * Check if an attribute is a reserved attribute.\n */\n\nvar isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');\n/**\n * Remove an item from an array.\n */\n\nfunction remove(arr, item) {\n if (arr.length) {\n var index = arr.indexOf(item);\n\n if (index > -1) {\n return arr.splice(index, 1);\n }\n }\n}\n/**\n * Check whether an object has the property.\n */\n\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction hasOwn(obj, key) {\n return hasOwnProperty.call(obj, key);\n}\n/**\n * Create a cached version of a pure function.\n */\n\n\nfunction cached(fn) {\n var cache = Object.create(null);\n return function cachedFn(str) {\n var hit = cache[str];\n return hit || (cache[str] = fn(str));\n };\n}\n/**\n * Camelize a hyphen-delimited string.\n */\n\n\nvar camelizeRE = /-(\\w)/g;\nvar camelize = cached(function (str) {\n return str.replace(camelizeRE, function (_, c) {\n return c ? c.toUpperCase() : '';\n });\n});\n/**\n * Capitalize a string.\n */\n\nvar capitalize = cached(function (str) {\n return str.charAt(0).toUpperCase() + str.slice(1);\n});\n/**\n * Hyphenate a camelCase string.\n */\n\nvar hyphenateRE = /\\B([A-Z])/g;\nvar hyphenate = cached(function (str) {\n return str.replace(hyphenateRE, '-$1').toLowerCase();\n});\n/**\n * Simple