20 lines
511 B
JavaScript
20 lines
511 B
JavaScript
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import {TokenType as tt} from "../parser/tokenizer/types";
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import Transformer from "./Transformer";
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export default class OptionalCatchBindingTransformer extends Transformer {
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constructor( tokens, nameManager) {
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super();this.tokens = tokens;this.nameManager = nameManager;;
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}
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process() {
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if (this.tokens.matches2(tt._catch, tt.braceL)) {
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this.tokens.copyToken();
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this.tokens.appendCode(` (${this.nameManager.claimFreeName("e")})`);
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return true;
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}
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return false;
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}
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}
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