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ForOfStatement.ts
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ForOfStatement.ts
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import MagicString from 'magic-string';
import { NO_SEMICOLON, RenderOptions } from '../../utils/renderHelpers';
import { ExecutionPathOptions } from '../ExecutionPathOptions';
import BlockScope from '../scopes/BlockScope';
import Scope from '../scopes/Scope';
import { EMPTY_PATH } from '../values';
import * as NodeType from './NodeType';
import { ExpressionNode, StatementBase, StatementNode } from './shared/Node';
import { PatternNode } from './shared/Pattern';
import VariableDeclaration from './VariableDeclaration';
export default class ForOfStatement extends StatementBase {
await: boolean;
body: StatementNode;
left: VariableDeclaration | PatternNode;
right: ExpressionNode;
type: NodeType.tForOfStatement;
bind() {
this.left.bind();
this.left.deoptimizePath(EMPTY_PATH);
this.right.bind();
this.body.bind();
}
createScope(parentScope: Scope) {
this.scope = new BlockScope(parentScope);
}
hasEffects(options: ExecutionPathOptions): boolean {
return (
(this.left &&
(this.left.hasEffects(options) ||
this.left.hasEffectsWhenAssignedAtPath(EMPTY_PATH, options))) ||
(this.right && this.right.hasEffects(options)) ||
this.body.hasEffects(options.setIgnoreBreakStatements())
);
}
include(includeAllChildrenRecursively: boolean) {
this.included = true;
this.left.includeWithAllDeclaredVariables(includeAllChildrenRecursively);
this.left.deoptimizePath(EMPTY_PATH);
this.right.include(includeAllChildrenRecursively);
this.body.include(includeAllChildrenRecursively);
}
render(code: MagicString, options: RenderOptions) {
this.left.render(code, options, NO_SEMICOLON);
this.right.render(code, options, NO_SEMICOLON);
this.body.render(code, options);
}
}