@typescript-eslint/scope-manager
Version:
TypeScript scope analyser for ESLint
72 lines (71 loc) • 2.52 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ExportVisitor = void 0;
const types_1 = require("@typescript-eslint/types");
const Visitor_1 = require("./Visitor");
class ExportVisitor extends Visitor_1.Visitor {
#exportNode;
#referencer;
constructor(node, referencer) {
super(referencer);
this.#exportNode = node;
this.#referencer = referencer;
}
static visit(referencer, node) {
const exportReferencer = new ExportVisitor(node, referencer);
exportReferencer.visit(node);
}
ExportDefaultDeclaration(node) {
if (node.declaration.type === types_1.AST_NODE_TYPES.Identifier) {
// export default A;
// this could be a type or a variable
this.visit(node.declaration);
}
else {
// export const a = 1;
// export something();
// etc
// these not included in the scope of this visitor as they are all guaranteed to be values or declare variables
}
}
ExportNamedDeclaration(node) {
if (node.source) {
// export ... from 'foo';
// these are external identifiers so there shouldn't be references or defs
return;
}
if (!node.declaration) {
// export { x };
this.visitChildren(node);
}
else {
// export const x = 1;
// this is not included in the scope of this visitor as it creates a variable
}
}
ExportSpecifier(node) {
if (node.exportKind === 'type' &&
node.local.type === types_1.AST_NODE_TYPES.Identifier) {
// export { type T };
// type exports can only reference types
//
// we can't let this fall through to the Identifier selector because the exportKind is on this node
// and we don't have access to the `.parent` during scope analysis
this.#referencer.currentScope().referenceType(node.local);
}
else {
this.visit(node.local);
}
}
Identifier(node) {
if (this.#exportNode.exportKind === 'type') {
// export type { T };
// type exports can only reference types
this.#referencer.currentScope().referenceType(node);
}
else {
this.#referencer.currentScope().referenceDualValueType(node);
}
}
}
exports.ExportVisitor = ExportVisitor;