Every kernel form, its ESTree node, and its JavaScript output. This is the table the reader has been implicitly relying on since Chapter 2.
| Kernel | ESTree | JS |
|---|
const | VariableDeclaration (const) | const x = ...; |
let | VariableDeclaration (let) | let x = ...; |
function | FunctionDeclaration | function f() {} |
lambda | FunctionExpression | function() {} |
=> | ArrowFunctionExpression | () => {} |
class | ClassDeclaration | class X {} |
| Kernel | ESTree | JS |
|---|
import | ImportDeclaration | import ... from "..." |
export | ExportNamedDeclaration | export ... |
dynamic-import | ImportExpression | import("...") |
| Kernel | ESTree | JS |
|---|
if | IfStatement | if (...) {} else {} |
? | ConditionalExpression | ... ? ... : ... |
for | ForStatement | for (...) {} |
for-of | ForOfStatement | for (... of ...) {} |
for-in | ForInStatement | for (... in ...) {} |
while | WhileStatement | while (...) {} |
do-while | DoWhileStatement | do {} while (...) |
switch | SwitchStatement | switch (...) {} |
return | ReturnStatement | return ... |
throw | ThrowStatement | throw ... |
try | TryStatement | try {} catch {} |
break | BreakStatement | break |
continue | ContinueStatement | continue |
| Kernel | ESTree | JS |
|---|
+, -, *, /, %, ** | BinaryExpression | a + b |
<, >, <=, >= | BinaryExpression | a < b |
===, !== | BinaryExpression | a === b |
&&, || | LogicalExpression | a && b |
?? | LogicalExpression | a ?? b |
! | UnaryExpression | !x |
typeof | UnaryExpression | typeof x |
new | NewExpression | new X() |
get | MemberExpression (computed) | obj[key] |
template | TemplateLiteral | `...` |
object | ObjectExpression | { ... } |
array | ArrayExpression | [ ... ] |
regex | RegExpLiteral | /pattern/flags |
spread | SpreadElement | ...x |