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ArrayPattern.ts
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ArrayPattern.ts
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import { ExecutionPathOptions } from '../ExecutionPathOptions';
import { EMPTY_PATH, ObjectPath, UNKNOWN_EXPRESSION } from '../values';
import Variable from '../variables/Variable';
import * as NodeType from './NodeType';
import { ExpressionEntity } from './shared/Expression';
import { NodeBase } from './shared/Node';
import { PatternNode } from './shared/Pattern';
export default class ArrayPattern extends NodeBase implements PatternNode {
type: NodeType.tArrayPattern;
elements: (PatternNode | null)[];
addExportedVariables(variables: Variable[]): void {
for (const element of this.elements) {
if (element !== null) {
element.addExportedVariables(variables);
}
}
}
declare(kind: string, _init: ExpressionEntity) {
for (const element of this.elements) {
if (element !== null) {
element.declare(kind, UNKNOWN_EXPRESSION);
}
}
}
hasEffectsWhenAssignedAtPath(path: ObjectPath, options: ExecutionPathOptions) {
if (path.length > 0) return true;
for (const element of this.elements) {
if (element !== null && element.hasEffectsWhenAssignedAtPath(EMPTY_PATH, options))
return true;
}
return false;
}
deoptimizePath(path: ObjectPath) {
if (path.length === 0) {
for (const element of this.elements) {
if (element !== null) {
element.deoptimizePath(path);
}
}
}
}
}