@codesandbox/sandpack-client/sandpack/static/js/vendors~vue-template-compiler.a8c77cdee.chunk.js

<img style="width:100%" src="https://user-images.githubusercontent.com/4838076/143581035-ebee5ba2-9cb1-4fe8-a05b-2f44bd69bb4b.gif" alt="Component toolkit for live running code editing experiences" />

(this.csbJsonP=this.csbJsonP||[]).push([["vendors~vue-template-compiler"],{"../../node_modules/raw-loader/index.js!../../node_modules/vue-hot-reload-api/dist/index.js":function(t,e){t.exports="var Vue // late bind\nvar version\nvar map = Object.create(null)\nif (typeof window !== 'undefined') {\n  window.__VUE_HOT_MAP__ = map\n}\nvar installed = false\nvar isBrowserify = false\nvar initHookName = 'beforeCreate'\n\nexports.install = function (vue, browserify) {\n  if (installed) { return }\n  installed = true\n\n  Vue = vue.__esModule ? vue.default : vue\n  version = Vue.version.split('.').map(Number)\n  isBrowserify = browserify\n\n  // compat with < 2.0.0-alpha.7\n  if (Vue.config._lifecycleHooks.indexOf('init') > -1) {\n    initHookName = 'init'\n  }\n\n  exports.compatible = version[0] >= 2\n  if (!exports.compatible) {\n    console.warn(\n      '[HMR] You are using a version of vue-hot-reload-api that is ' +\n        'only compatible with Vue.js core ^2.0.0.'\n    )\n    return\n  }\n}\n\n/**\n * Create a record for a hot module, which keeps track of its constructor\n * and instances\n *\n * @param {String} id\n * @param {Object} options\n */\n\nexports.createRecord = function (id, options) {\n  if(map[id]) { return }\n\n  var Ctor = null\n  if (typeof options === 'function') {\n    Ctor = options\n    options = Ctor.options\n  }\n  makeOptionsHot(id, options)\n  map[id] = {\n    Ctor: Ctor,\n    options: options,\n    instances: []\n  }\n}\n\n/**\n * Check if module is recorded\n *\n * @param {String} id\n */\n\nexports.isRecorded = function (id) {\n  return typeof map[id] !== 'undefined'\n}\n\n/**\n * Make a Component options object hot.\n *\n * @param {String} id\n * @param {Object} options\n */\n\nfunction makeOptionsHot(id, options) {\n  if (options.functional) {\n    var render = options.render\n    options.render = function (h, ctx) {\n      var instances = map[id].instances\n      if (ctx && instances.indexOf(ctx.parent) < 0) {\n        instances.push(ctx.parent)\n      }\n      return render(h, ctx)\n    }\n  } else {\n    injectHook(options, initHookName, function() {\n      var record = map[id]\n      if (!record.Ctor) {\n        record.Ctor = this.constructor\n      }\n      record.instances.push(this)\n    })\n    injectHook(options, 'beforeDestroy', function() {\n      var instances = map[id].instances\n      instances.splice(instances.indexOf(this), 1)\n    })\n  }\n}\n\n/**\n * Inject a hook to a hot reloadable component so that\n * we can keep track of it.\n *\n * @param {Object} options\n * @param {String} name\n * @param {Function} hook\n */\n\nfunction injectHook(options, name, hook) {\n  var existing = options[name]\n  options[name] = existing\n    ? Array.isArray(existing) ? existing.concat(hook) : [existing, hook]\n    : [hook]\n}\n\nfunction tryWrap(fn) {\n  return function (id, arg) {\n    try {\n      fn(id, arg)\n    } catch (e) {\n      console.error(e)\n      console.warn(\n        'Something went wrong during Vue component hot-reload. Full reload required.'\n      )\n    }\n  }\n}\n\nfunction updateOptions (oldOptions, newOptions) {\n  for (var key in oldOptions) {\n    if (!(key in newOptions)) {\n      delete oldOptions[key]\n    }\n  }\n  for (var key$1 in newOptions) {\n    oldOptions[key$1] = newOptions[key$1]\n  }\n}\n\nexports.rerender = tryWrap(function (id, options) {\n  var record = map[id]\n  if (!options) {\n    record.instances.slice().forEach(function (instance) {\n      instance.$forceUpdate()\n    })\n    return\n  }\n  if (typeof options === 'function') {\n    options = options.options\n  }\n  if (record.Ctor) {\n    record.Ctor.options.render = options.render\n    record.Ctor.options.staticRenderFns = options.staticRenderFns\n    record.instances.slice().forEach(function (instance) {\n      instance.$options.render = options.render\n      instance.$options.staticRenderFns = options.staticRenderFns\n      // reset static trees\n      // pre 2.5, all static trees are cached together on the instance\n      if (instance._staticTrees) {\n        instance._staticTrees = []\n      }\n      // 2.5.0\n      if (Array.isArray(record.Ctor.options.cached)) {\n        record.Ctor.options.cached = []\n      }\n      // 2.5.3\n      if (Array.isArray(instance.$options.cached)) {\n        instance.$options.cached = []\n      }\n\n      // post 2.5.4: v-once trees are cached on instance._staticTrees.\n      // Pure static trees are cached on the staticRenderFns array\n      // (both already reset above)\n\n      // 2.6: temporarily mark rendered scoped slots as unstable so that\n      // child components can be forced to update\n      var restore = patchScopedSlots(instance)\n      instance.$forceUpdate()\n      instance.$nextTick(restore)\n    })\n  } else {\n    // functional or no instance created yet\n    record.options.render = options.render\n    record.options.staticRenderFns = options.staticRenderFns\n\n    // handle functional component re-render\n    if (record.options.functional) {\n      // rerender with full options\n      if (Object.keys(options).length > 2) {\n        updateOptions(record.options, options)\n      } else {\n        // template-only rerender.\n        // need to inject the style injection code for CSS modules\n        // to work properly.\n        var injectStyles = record.options._injectStyles\n        if (injectStyles) {\n          var render = options.render\n          record.options.render = function (h, ctx) {\n            injectStyles.call(ctx)\n            return render(h, ctx)\n          }\n        }\n      }\n      record.options._Ctor = null\n      // 2.5.3\n      if (Array.isArray(record.options.cached)) {\n        record.options.cached = []\n      }\n      record.instances.slice().forEach(function (instance) {\n        instance.$forceUpdate()\n      })\n    }\n  }\n})\n\nexports.reload = tryWrap(function (id, options) {\n  var record = map[id]\n  if (options) {\n    if (typeof options === 'function') {\n      options = options.options\n    }\n    makeOptionsHot(id, options)\n    if (record.Ctor) {\n      if (version[1] < 2) {\n        // preserve pre 2.2 behavior for global mixin handling\n        record.Ctor.extendOptions = options\n      }\n      var newCtor = record.Ctor.super.extend(options)\n      record.Ctor.options = newCtor.options\n      record.Ctor.cid = newCtor.cid\n      record.Ctor.prototype = newCtor.prototype\n      if (newCtor.release) {\n        // temporary global mixin strategy used in < 2.0.0-alpha.6\n        newCtor.release()\n      }\n    } else {\n      updateOptions(record.options, options)\n    }\n  }\n  record.instances.slice().forEach(function (instance) {\n    if (instance.$vnode && instance.$vnode.context) {\n      instance.$vnode.context.$forceUpdate()\n    } else {\n      console.warn(\n        'Root or manually mounted instance modified. Full reload required.'\n      )\n    }\n  })\n})\n\n// 2.6 optimizes template-compiled scoped slots and skips updates if child\n// only uses scoped slots. We need to patch the scoped slots resolving helper\n// to temporarily mark all scoped slots as unstable in order to force child\n// updates.\nfunction patchScopedSlots (instance) {\n  if (!instance._u) { return }\n  // https://github.com/vuejs/vue/blob/dev/src/core/instance/render-helpers/resolve-scoped-slots.js\n  var original = instance._u\n  instance._u = function (slots) {\n    try {\n      // 2.6.4 ~ 2.6.6\n      return original(slots, true)\n    } catch (e) {\n      // 2.5 / >= 2.6.7\n      return original(slots, null, true)\n    }\n  }\n  return function () {\n    instance._u = original\n  }\n}\n"},"../../node_modules/vue-template-es2015-compiler/buble.js":function(t,e,i){(function(i,n){var r,a,s;!function(i,n){a=[],void 0===(s="function"==typeof(r=n)?r.apply(e,a):r)||(t.exports=s)}("undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self&&self,(function(){"use strict";(function(t){var e={3:"abstract boolean byte char class double enum export extends final float goto 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this.type===x._in||this.options.ecmaVersion>=6&&this.isContextual("of")?(this.options.ecmaVersion>=9&&(this.type===x._in?e>-1&&this.unexpected(e):t.await=e>-1),this.toAssignable(s,!1,a),this.checkLVal(s),this.parseForIn(t,s)):(this.checkExpressionErrors(a,!0),e>-1&&this.unexpected(e),this.parseFor(t,s))},W.parseFunctionStatement=function(t,e){return this.next(),this.parseFunction(t,!0,!1,e)},W.parseIfStatement=function(t){return this.next(),t.test=this.parseParenExpression(),t.consequent=this.parseStatement(!this.strict&&this.type===x._function),t.alternate=this.eat(x._else)?this.parseStatement(!this.strict&&this.type===x._function):null,this.finishNode(t,"IfStatement")},W.parseReturnStatement=function(t){return this.inFunction||this.options.allowReturnOutsideFunction||this.raise(this.start,"'return' outside of 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this.next(),b.test(this.input.slice(this.lastTokEnd,this.start))&&this.raise(this.lastTokEnd,"Illegal newline after throw"),t.argument=this.parseExpression(),this.semicolon(),this.finishNode(t,"ThrowStatement")};var J=[];W.parseTryStatement=function(t){if(this.next(),t.block=this.parseBlock(),t.handler=null,this.type===x._catch){var e=this.startNode();this.next(),this.eat(x.parenL)?(e.param=this.parseBindingAtom(),this.enterLexicalScope(),this.checkLVal(e.param,"let"),this.expect(x.parenR)):(this.options.ecmaVersion<10&&this.unexpected(),e.param=null,this.enterLexicalScope()),e.body=this.parseBlock(!1),this.exitLexicalScope(),t.handler=this.finishNode(e,"CatchClause")}return t.finalizer=this.eat(x._finally)?this.parseBlock():null,t.handler||t.finalizer||this.raise(t.start,"Missing catch or finally clause"),this.finishNode(t,"TryStatement")},W.parseVarStatement=function(t,e){return this.next(),this.parseVar(t,!1,e),this.semicolon(),this.finishNode(t,"VariableDeclaration")},W.parseWhileStatement=function(t){return this.next(),t.test=this.parseParenExpression(),this.labels.push(K),t.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(t,"WhileStatement")},W.parseWithStatement=function(t){return this.strict&&this.raise(this.start,"'with' in strict mode"),this.next(),t.object=this.parseParenExpression(),t.body=this.parseStatement(!1),this.finishNode(t,"WithStatement")},W.parseEmptyStatement=function(t){return this.next(),this.finishNode(t,"EmptyStatement")},W.parseLabeledStatement=function(t,e,i){for(var n=0,r=this.labels;n<r.length;n+=1)r[n].name===e&&this.raise(i.start,"Label '"+e+"' is already declared");for(var a=this.type.isLoop?"loop":this.type===x._switch?"switch":null,s=this.labels.length-1;s>=0;s--){var o=this.labels[s];if(o.statementStart!==t.start)break;o.statementStart=this.start,o.kind=a}return this.labels.push({name:e,kind:a,statementStart:this.start}),t.body=this.parseStatement(!0),("ClassDeclaration"===t.body.type||"VariableDeclaration"===t.body.type&&"var"!==t.body.kind||"FunctionDeclaration"===t.body.type&&(this.strict||t.body.generator||t.body.async))&&this.raiseRecoverable(t.body.start,"Invalid labeled declaration"),this.labels.pop(),t.label=i,this.finishNode(t,"LabeledStatement")},W.parseExpressionStatement=function(t,e){return t.expression=e,this.semicolon(),this.finishNode(t,"ExpressionStatement")},W.parseBlock=function(t){void 0===t&&(t=!0);var e=this.startNode();for(e.body=[],this.expect(x.braceL),t&&this.enterLexicalScope();!this.eat(x.braceR);){var i=this.parseStatement(!0);e.body.push(i)}return t&&this.exitLexicalScope(),this.finishNode(e,"BlockStatement")},W.parseFor=function(t,e){return t.init=e,this.expect(x.semi),t.test=this.type===x.semi?null:this.parseExpression(),this.expect(x.semi),t.update=this.type===x.parenR?null:this.parseExpression(),this.expect(x.parenR),this.exitLexicalScope(),t.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(t,"ForStatement")},W.parseForIn=function(t,e){var i=this.type===x._in?"ForInStatement":"ForOfStatement";return this.next(),"ForInStatement"===i&&("AssignmentPattern"===e.type||"VariableDeclaration"===e.type&&null!=e.declarations[0].init&&(this.strict||"Identifier"!==e.declarations[0].id.type))&&this.raise(e.start,"Invalid assignment in for-in loop head"),t.left=e,t.right="ForInStatement"===i?this.parseExpression():this.parseMaybeAssign(),this.expect(x.parenR),this.exitLexicalScope(),t.body=this.parseStatement(!1),this.labels.pop(),this.finishNode(t,i)},W.parseVar=function(t,e,i){for(t.declarations=[],t.kind=i;;){var n=this.startNode();if(this.parseVarId(n,i),this.eat(x.eq)?n.init=this.parseMaybeAssign(e):"const"!==i||this.type===x._in||this.options.ecmaVersion>=6&&this.isContextual("of")?"Identifier"===n.id.type||e&&(this.type===x._in||this.isContextual("of"))?n.init=null:this.raise(this.lastTokEnd,"Complex binding patterns require an initialization value"):this.unexpected(),t.declarations.push(this.finishNode(n,"VariableDeclarator")),!this.eat(x.comma))break}return t},W.parseVarId=function(t,e){t.id=this.parseBindingAtom(e),this.checkLVal(t.id,e,!1)},W.parseFunction=function(t,e,i,n){this.initFunction(t),(this.options.ecmaVersion>=9||this.options.ecmaVersion>=6&&!n)&&(t.generator=this.eat(x.star)),this.options.ecmaVersion>=8&&(t.async=!!n),e&&(t.id="nullableID"===e&&this.type!==x.name?null:this.parseIdent(),t.id&&this.checkLVal(t.id,this.inModule&&!this.inFunction?"let":"var"));var r=this.inGenerator,a=this.inAsync,s=this.yieldPos,o=this.awaitPos,u=this.inFunction;return this.inGenerator=t.generator,this.inAsync=t.async,this.yieldPos=0,this.awaitPos=0,this.inFunction=!0,this.enterFunctionScope(),e||(t.id=this.type===x.name?this.parseIdent():null),this.parseFunctionParams(t),this.parseFunctionBody(t,i),this.inGenerator=r,this.inAsync=a,this.yieldPos=s,this.awaitPos=o,this.inFunction=u,this.finishNode(t,e?"FunctionDeclaration":"FunctionExpression")},W.parseFunctionParams=function(t){this.expect(x.parenL),t.params=this.parseBindingList(x.parenR,!1,this.options.ecmaVersion>=8),this.checkYieldAwaitInDefaultParams()},W.parseClass=function(t,e){this.next(),this.parseClassId(t,e),this.parseClassSuper(t);var i=this.startNode(),n=!1;for(i.body=[],this.expect(x.braceL);!this.eat(x.braceR);){var r=this.parseClassMember(i);r&&"MethodDefinition"===r.type&&"constructor"===r.kind&&(n&&this.raise(r.start,"Duplicate constructor in the same class"),n=!0)}return t.body=this.finishNode(i,"ClassBody"),this.finishNode(t,e?"ClassDeclaration":"ClassExpression")},W.parseClassMember=function(t){var e=this;if(this.eat(x.semi))return null;var i=this.startNode(),n=function(t,n){void 0===n&&(n=!1);var r=e.start,a=e.startLoc;return!(!e.eatContextual(t)||(e.type===x.parenL||n&&e.canInsertSemicolon())&&(i.key&&e.unexpected(),i.computed=!1,i.key=e.startNodeAt(r,a),i.key.name=t,e.finishNode(i.key,"Identifier"),1))};i.kind="method",i.static=n("static");var r=this.eat(x.star),a=!1;r||(this.options.ecmaVersion>=8&&n("async",!0)?(a=!0,r=this.options.ecmaVersion>=9&&this.eat(x.star)):n("get")?i.kind="get":n("set")&&(i.kind="set")),i.key||this.parsePropertyName(i);var s=i.key;return i.computed||i.static||!("Identifier"===s.type&&"constructor"===s.name||"Literal"===s.type&&"constructor"===s.value)?i.static&&"Identifier"===s.type&&"prototype"===s.name&&this.raise(s.start,"Classes may not have a static property named 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params"),i},W.parseClassMethod=function(t,e,i,n){e.value=this.parseMethod(i,n),t.body.push(this.finishNode(e,"MethodDefinition"))},W.parseClassId=function(t,e){t.id=this.type===x.name?this.parseIdent():!0===e?this.unexpected():null},W.parseClassSuper=function(t){t.superClass=this.eat(x._extends)?this.parseExprSubscripts():null},W.parseExport=function(t,e){if(this.next(),this.eat(x.star))return this.expectContextual("from"),this.type!==x.string&&this.unexpected(),t.source=this.parseExprAtom(),this.semicolon(),this.finishNode(t,"ExportAllDeclaration");if(this.eat(x._default)){var i;if(this.checkExport(e,"default",this.lastTokStart),this.type===x._function||(i=this.isAsyncFunction())){var n=this.startNode();this.next(),i&&this.next(),t.declaration=this.parseFunction(n,"nullableID",!1,i)}else if(this.type===x._class){var r=this.startNode();t.declaration=this.parseClass(r,"nullableID")}else t.declaration=this.parseMaybeAssign(),this.semicolon();return this.finishNode(t,"ExportDefaultDeclaration")}if(this.shouldParseExportStatement())t.declaration=this.parseStatement(!0),"VariableDeclaration"===t.declaration.type?this.checkVariableExport(e,t.declaration.declarations):this.checkExport(e,t.declaration.id.name,t.declaration.id.start),t.specifiers=[],t.source=null;else{if(t.declaration=null,t.specifiers=this.parseExportSpecifiers(e),this.eatContextual("from"))this.type!==x.string&&this.unexpected(),t.source=this.parseExprAtom();else{for(var a=0,s=t.specifiers;a<s.length;a+=1){var o=s[a];this.checkUnreserved(o.local)}t.source=null}this.semicolon()}return this.finishNode(t,"ExportNamedDeclaration")},W.checkExport=function(t,e,i){t&&(L(t,e)&&this.raiseRecoverable(i,"Duplicate export '"+e+"'"),t[e]=!0)},W.checkPatternExport=function(t,e){var i=e.type;if("Identifier"===i)this.checkExport(t,e.name,e.start);else if("ObjectPattern"===i)for(var n=0,r=e.properties;n<r.length;n+=1){var a=r[n];this.checkPatternExport(t,a)}else 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n=this.startNode();n.local=this.parseIdent(!0),n.exported=this.eatContextual("as")?this.parseIdent(!0):n.local,this.checkExport(t,n.exported.name,n.exported.start),e.push(this.finishNode(n,"ExportSpecifier"))}return e},W.parseImport=function(t){return this.next(),this.type===x.string?(t.specifiers=J,t.source=this.parseExprAtom()):(t.specifiers=this.parseImportSpecifiers(),this.expectContextual("from"),t.source=this.type===x.string?this.parseExprAtom():this.unexpected()),this.semicolon(),this.finishNode(t,"ImportDeclaration")},W.parseImportSpecifiers=function(){var t=[],e=!0;if(this.type===x.name){var i=this.startNode();if(i.local=this.parseIdent(),this.checkLVal(i.local,"let"),t.push(this.finishNode(i,"ImportDefaultSpecifier")),!this.eat(x.comma))return t}if(this.type===x.star){var n=this.startNode();return this.next(),this.expectContextual("as"),n.local=this.parseIdent(),this.checkLVal(n.local,"let"),t.push(this.finishNode(n,"ImportNamespaceSpecifier")),t}for(this.expect(x.braceL);!this.eat(x.braceR);){if(e)e=!1;else if(this.expect(x.comma),this.afterTrailingComma(x.braceR))break;var r=this.startNode();r.imported=this.parseIdent(!0),this.eatContextual("as")?r.local=this.parseIdent():(this.checkUnreserved(r.imported),r.local=r.imported),this.checkLVal(r.local,"let"),t.push(this.finishNode(r,"ImportSpecifier"))}return t},W.adaptDirectivePrologue=function(t){for(var e=0;e<t.length&&this.isDirectiveCandidate(t[e]);++e)t[e].directive=t[e].expression.raw.slice(1,-1)},W.isDirectiveCandidate=function(t){return"ExpressionStatement"===t.type&&"Literal"===t.expression.type&&"string"==typeof t.expression.value&&('"'===this.input[t.start]||"'"===this.input[t.start])};var X=V.prototype;X.toAssignable=function(t,e,i){if(this.options.ecmaVersion>=6&&t)switch(t.type){case"Identifier":this.inAsync&&"await"===t.name&&this.raise(t.start,"Can not use 'await' as identifier inside an async function");break;case"ObjectPattern":case"ArrayPattern":case"RestElement":break;case"ObjectExpression":t.type="ObjectPattern",i&&this.checkPatternErrors(i,!0);for(var n=0,r=t.properties;n<r.length;n+=1){var a=r[n];this.toAssignable(a,e),"RestElement"!==a.type||"ArrayPattern"!==a.argument.type&&"ObjectPattern"!==a.argument.type||this.raise(a.argument.start,"Unexpected token")}break;case"Property":"init"!==t.kind&&this.raise(t.key.start,"Object pattern can't contain getter or setter"),this.toAssignable(t.value,e);break;case"ArrayExpression":t.type="ArrayPattern",i&&this.checkPatternErrors(i,!0),this.toAssignableList(t.elements,e);break;case"SpreadElement":t.type="RestElement",this.toAssignable(t.argument,e),"AssignmentPattern"===t.argument.type&&this.raise(t.argument.start,"Rest 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this.next(),6===this.options.ecmaVersion&&this.type!==x.name&&this.unexpected(),t.argument=this.parseBindingAtom(),this.finishNode(t,"RestElement")},X.parseBindingAtom=function(){if(this.options.ecmaVersion>=6)switch(this.type){case x.bracketL:var t=this.startNode();return this.next(),t.elements=this.parseBindingList(x.bracketR,!0,!0),this.finishNode(t,"ArrayPattern");case x.braceL:return this.parseObj(!0)}return this.parseIdent()},X.parseBindingList=function(t,e,i){for(var n=[],r=!0;!this.eat(t);)if(r?r=!1:this.expect(x.comma),e&&this.type===x.comma)n.push(null);else{if(i&&this.afterTrailingComma(t))break;if(this.type===x.ellipsis){var a=this.parseRestBinding();this.parseBindingListItem(a),n.push(a),this.type===x.comma&&this.raise(this.start,"Comma is not permitted after the rest element"),this.expect(t);break}var s=this.parseMaybeDefault(this.start,this.startLoc);this.parseBindingListItem(s),n.push(s)}return n},X.parseBindingListItem=function(t){return t},X.parseMaybeDefault=function(t,e,i){if(i=i||this.parseBindingAtom(),this.options.ecmaVersion<6||!this.eat(x.eq))return i;var n=this.startNodeAt(t,e);return n.left=i,n.right=this.parseMaybeAssign(),this.finishNode(n,"AssignmentPattern")},X.checkLVal=function(t,e,i){switch(t.type){case"Identifier":this.strict&&this.reservedWordsStrictBind.test(t.name)&&this.raiseRecoverable(t.start,(e?"Binding ":"Assigning to ")+t.name+" in strict mode"),i&&(L(i,t.name)&&this.raiseRecoverable(t.start,"Argument name clash"),i[t.name]=!0),e&&"none"!==e&&(("var"===e&&!this.canDeclareVarName(t.name)||"var"!==e&&!this.canDeclareLexicalName(t.name))&&this.raiseRecoverable(t.start,"Identifier '"+t.name+"' has already been declared"),"var"===e?this.declareVarName(t.name):this.declareLexicalName(t.name));break;case"MemberExpression":e&&this.raiseRecoverable(t.start,"Binding member expression");break;case"ObjectPattern":for(var n=0,r=t.properties;n<r.length;n+=1){var a=r[n];this.checkLVal(a,e,i)}break;case"Property":this.checkLVal(t.value,e,i);break;case"ArrayPattern":for(var s=0,o=t.elements;s<o.length;s+=1){var u=o[s];u&&this.checkLVal(u,e,i)}break;case"AssignmentPattern":this.checkLVal(t.left,e,i);break;case"RestElement":this.checkLVal(t.argument,e,i);break;case"ParenthesizedExpression":this.checkLVal(t.expression,e,i);break;default:this.raise(t.start,(e?"Binding":"Assigning to")+" rvalue")}};var z=V.prototype;z.checkPropClash=function(t,e,i){if(!(this.options.ecmaVersion>=9&&"SpreadElement"===t.type||this.options.ecmaVersion>=6&&(t.computed||t.method||t.shorthand))){var n,r=t.key;switch(r.type){case"Identifier":n=r.name;break;case"Literal":n=String(r.value);break;default:return}var a=t.kind;if(this.options.ecmaVersion>=6)"__proto__"===n&&"init"===a&&(e.proto&&(i&&i.doubleProto<0?i.doubleProto=r.start:this.raiseRecoverable(r.start,"Redefinition of __proto__ property")),e.proto=!0);else{var 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