All files / src/compiler/phases/2-analyze/visitors MemberExpression.js

100% Statements 58/58
100% Branches 24/24
100% Functions 1/1
100% Lines 54/54

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 552x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 5770x 4749x 4749x 1x 1x 4749x 5769x 5770x 1880x 1880x 5769x 5770x 1345x 1345x 5769x 5770x 189x 189x 189x 175x 175x 175x 35x 35x 35x 35x 35x 27x 27x 27x 27x 35x 12x 3x 3x 12x 35x 175x 189x 5769x 5769x 5769x  
/** @import { MemberExpression, Node } from 'estree' */
/** @import { Context } from '../types' */
import * as e from '../../../errors.js';
import * as w from '../../../warnings.js';
import { object } from '../../../utils/ast.js';
import { is_pure, is_safe_identifier } from './shared/utils.js';
 
/**
 * @param {MemberExpression} node
 * @param {Context} context
 */
export function MemberExpression(node, context) {
	if (node.object.type === 'Identifier' && node.property.type === 'Identifier') {
		const binding = context.state.scope.get(node.object.name);
		if (binding?.kind === 'rest_prop' && node.property.name.startsWith('$$')) {
			e.props_illegal_name(node.property);
		}
	}
 
	if (context.state.expression && !is_pure(node, context)) {
		context.state.expression.has_state = true;
	}
 
	if (!is_safe_identifier(node, context.state.scope)) {
		context.state.analysis.needs_context = true;
	}
 
	if (context.state.reactive_statement) {
		const left = object(node);
 
		if (left !== null) {
			const binding = context.state.scope.get(left.name);
 
			if (binding && binding.kind === 'normal') {
				const parent = /** @type {Node} */ (context.path.at(-1));
 
				if (
					binding.scope === context.state.analysis.module.scope ||
					binding.declaration_kind === 'import' ||
					(binding.initial &&
						binding.initial.type !== 'ArrayExpression' &&
						binding.initial.type !== 'ObjectExpression' &&
						binding.scope.function_depth <= 1)
				) {
					if (parent.type !== 'MemberExpression' && parent.type !== 'CallExpression') {
						w.reactive_declaration_non_reactive_property(node);
					}
				}
			}
		}
	}
 
	context.next();
}