ClassBody.js — svelte Source File

Source Code

/** @import { AssignmentExpression, CallExpression, ClassBody, PropertyDefinition, Expression, PrivateIdentifier, MethodDefinition } from 'estree' */
/** @import { StateField } from '#compiler' */
/** @import { Context } from '../types' */
import * as b from '#compiler/builders';
import { get_rune } from '../../scope.js';
import * as e from '../../../errors.js';
import { is_state_creation_rune } from '../../../../utils.js';
import { get_name } from '../../nodes.js';
import { regex_invalid_identifier_chars } from '../../patterns.js';

/**
 * @param {ClassBody} node
 * @param {Context} context
 */
export function ClassBody(node, context) {
	if (!context.state.analysis.runes) {
		context.next();
		return;
	}

	/** @type {string[]} */
	const private_ids = [];

	for (const prop of node.body) {
		if (
			(prop.type === 'MethodDefinition' || prop.type === 'PropertyDefinition') &&
			prop.key.type === 'PrivateIdentifier'
		) {
			private_ids.push(prop.key.name);
		}
	}

	/** @type {Map<string, StateField>} */
	const state_fields = new Map();

	/** @type {Map<string, Array<MethodDefinition['kind'] | 'prop' | 'assigned_prop'>>} */
	const fields = new Map();

	context.state.analysis.classes.set(node, state_fields);

	/** @type {MethodDefinition | null} */
	let constructor = null;

	/**
	 * @param {PropertyDefinition | AssignmentExpression} node
	 * @param {Expression | PrivateIdentifier} key
	 * @param {Expression | null | undefined} value
	 */
	function handle(node, key, value) {
		const name = get_name(key);
		if (name === null) return;

		const rune = get_rune(value, context.state.scope);

		if (rune && is_state_creation_rune(rune)) {
			if (state_fields.has(name)) {
				e.state_field_duplicate(node, name);
			}

			const _key = (node.type === 'AssignmentExpression' || !node.static ? '' : '@') + name;
// ... (97 more lines)