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add missing ExportNamespaceSpecifier in spec.md (#13691)

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* add missing ExportNamespaceSpecifier in spec.md

* add constrain note in ExportNamedDeclaration

Co-authored-by: 刘地军 <dijun.ldj@antgroup.com>
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Dijun Liu 2021-08-20 23:43:16 +08:00 committed by GitHub
parent 8ae4159940
commit 1d4bd31950
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1 changed files with 14 additions and 1 deletions
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15
packages/babel-parser/ast/spec.md
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@ -119,6 +119,7 @@ These are the core @babel/parser (babylon) AST node types.
- [Exports](#exports) - [Exports](#exports)
- [ExportNamedDeclaration](#exportnameddeclaration) - [ExportNamedDeclaration](#exportnameddeclaration)
- [ExportSpecifier](#exportspecifier) - [ExportSpecifier](#exportspecifier)
- [ExportNamespaceSpecifier](#exportnamespacespecifier)
- [ExportDefaultDeclaration](#exportdefaultdeclaration) - [ExportDefaultDeclaration](#exportdefaultdeclaration)
- [ExportAllDeclaration](#exportalldeclaration) - [ExportAllDeclaration](#exportalldeclaration)
@ -1339,7 +1340,7 @@ An attribute specified on the ImportDeclaration.
interface ExportNamedDeclaration <: ModuleDeclaration { interface ExportNamedDeclaration <: ModuleDeclaration {
type: "ExportNamedDeclaration"; type: "ExportNamedDeclaration";
declaration: Declaration | null; declaration: Declaration | null;
specifiers: [ ExportSpecifier ]; specifiers: [ ExportSpecifier | ExportNamespaceSpecifier ];
source: StringLiteral | null; source: StringLiteral | null;
assertions?: [ ImportAttribute ]; assertions?: [ ImportAttribute ];
} }
@ -1351,6 +1352,7 @@ Note:
- Having `declaration` populated with non-empty `specifiers` or non-null `source` results in an invalid state. - Having `declaration` populated with non-empty `specifiers` or non-null `source` results in an invalid state.
- If `source` is `null`, for each `specifier` of `specifiers`, `specifier.local` can not be a `StringLiteral`. - If `source` is `null`, for each `specifier` of `specifiers`, `specifier.local` can not be a `StringLiteral`.
- If `specifiers` contains `ExportNamespaceSpecifier`, it must have only one `ExportNamespaceSpecifier`.
### ExportSpecifier ### ExportSpecifier
@ -1364,6 +1366,17 @@ interface ExportSpecifier <: ModuleSpecifier {
An exported variable binding, e.g., `{foo}` in `export {foo}` or `{bar as foo}` in `export {bar as foo}`. The `exported` field refers to the name exported in the module. The `local` field refers to the binding into the local module scope. If it is a basic named export, such as in `export {foo}`, both `exported` and `local` are equivalent `Identifier` nodes; in this case an `Identifier` node representing `foo`. If it is an aliased export, such as in `export {bar as foo}`, the `exported` field is an `Identifier` node representing `foo`, and the `local` field is an `Identifier` node representing `bar`. An exported variable binding, e.g., `{foo}` in `export {foo}` or `{bar as foo}` in `export {bar as foo}`. The `exported` field refers to the name exported in the module. The `local` field refers to the binding into the local module scope. If it is a basic named export, such as in `export {foo}`, both `exported` and `local` are equivalent `Identifier` nodes; in this case an `Identifier` node representing `foo`. If it is an aliased export, such as in `export {bar as foo}`, the `exported` field is an `Identifier` node representing `foo`, and the `local` field is an `Identifier` node representing `bar`.
### ExportNamespaceSpecifier
```js
interface ExportNamespaceSpecifier <: ModuleSpecifier {
type: "ExportNamespaceSpecifier";
exported: Identifier;
}
```
A namespace export specifier, e.g., `* as foo` in `export * as foo from "mod.js"`.
### ExportDefaultDeclaration ### ExportDefaultDeclaration
```js ```js