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Allows the interface to be used as an Identifier for flow plugin (#12254)

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This commit is contained in:
Sosuke Suzuki
2020-10-26 22:50:57 +09:00
committed by GitHub
parent a967910b8b
commit f5bd9f2013
27 changed files with 531 additions and 11 deletions
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24
packages/babel-parser/src/plugins/flow.js
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@@ -13,7 +13,7 @@ import type { Pos, Position } from "../util/location";
import type State from "../tokenizer/state";
import { types as tc } from "../tokenizer/context";
import * as charCodes from "charcodes";
import { isIteratorStart } from "../util/identifier";
import { isIteratorStart, isKeyword } from "../util/identifier";
import {
type BindingTypes,
BIND_NONE,
@@ -1735,21 +1735,23 @@ export default (superClass: Class<Parser>): Class<Parser> =>
this.match(tt.name) &&
this.state.value === "interface"
) {
const node = this.startNode();
this.next();
return this.flowParseInterface(node);
const lookahead = this.lookahead();
if (lookahead.type === tt.name || isKeyword(lookahead.value)) {
const node = this.startNode();
this.next();
return this.flowParseInterface(node);
}
} else if (this.shouldParseEnums() && this.isContextual("enum")) {
const node = this.startNode();
this.next();
return this.flowParseEnumDeclaration(node);
} else {
const stmt = super.parseStatement(context, topLevel);
// We will parse a flow pragma in any comment before the first statement.
if (this.flowPragma === undefined && !this.isValidDirective(stmt)) {
this.flowPragma = null;
}
return stmt;
}
const stmt = super.parseStatement(context, topLevel);
// We will parse a flow pragma in any comment before the first statement.
if (this.flowPragma === undefined && !this.isValidDirective(stmt)) {
this.flowPragma = null;
}
return stmt;
}
// declares, interfaces and type aliases