Jsvm2

Specification

https://www.ecma-international.org/wp-content/uploads/ECMA-262_5th_edition_december_2009.pdf

使用方法

npm i -S jsvm2

参考 tests/helper.ts

语法支持情况

注：引擎表现为严格模式

ES5

• [x] File
• [x] Program
• [x] Identifier
• [x] NullLiteral
• [x] StringLiteral
• [x] NumericLiteral
• [x] BooleanLiteral
• [x] RegExpLiteral
• [x] VariableDeclaration
• [x] FunctionDeclaration
• [x] FunctionExpression
• [x] ArrayExpression
• [x] VariableDeclarator
• [x] ExpressionStatement
• [x] BlockStatement
• [x] ConditionalExpression
• [x] EmptyStatement
• [x] DebuggerStatement
• [ ] WithStatement: t.WithStatement; // 不实现，@babel/parse 在严格模式下禁用 WithStatement
• [x] ReturnStatement
• [x] LabeledStatement
• [x] BreakStatement
• [x] ContinueStatement
• [x] IfStatement
• [x] SwitchStatement
• [x] SwitchCase
• [x] ThrowStatement
• [x] TryStatement
• [x] CatchClause
• [x] ForStatement
• [x] WhileStatement
• [x] DoWhileStatement
• [x] ForInStatement
• [x] ThisExpression
• [x] ObjectExpression
• [x] ObjectProperty
• [x] ObjectMethod
• [x] UnaryExpression
• [x] UpdateExpression
• [x] BinaryExpression
• [x] AssignmentExpression
• [x] LogicalExpression
• [x] MemberExpression
• [x] CallExpression
• [x] NewExpression
• [x] SequenceExpression

ES2015

• [x] VariableDeclaration (let/const)
• [x] ArrowFunctionExpression
• [ ] TemplateLiteral
• [ ] TaggedTemplateExpression
• [x] ForOfStatement
• [ ] ClassDeclaration
• [ ] ClassExpression
• [ ] ClassBody
• [ ] ClassMethod
• [x] MetaProperty
• [ ] Super
• [ ] TemplateElement
• [x] SpreadElement
• [ ] YieldExpression
• [x] ObjectPattern
• [ ] ArrayPattern
• [x] RestElement
• [x] AssignmentPattern
• [ ] ImportDeclaration
• [ ] ExportNamedDeclaration
• [ ] ExportDefaultDeclaration

ES2016

• [x] BinaryExpression

ES2017

• [ ] AwaitExpression

Experimental

• [ ] ImportSpecifier
• [ ] ImportDefaultSpecifier
• [ ] ExportSpecifier
• [ ] SpreadProperty
• [ ] DoExpression
• [ ]Decorator

Test

• es5-testsuite
• ECMAScript Test262
• JS 面试题
• 高程内 CASE