builders.js — svelte Source File

Source Code

/** @import * as ESTree from 'estree' */
import { walk } from 'zimmerframe';
import { regex_is_valid_identifier } from '../phases/patterns.js';
import { sanitize_template_string } from './sanitize_template_string.js';
import { has_await_expression } from './ast.js';

/**
 * @param {Array<ESTree.Expression | ESTree.SpreadElement | null>} elements
 * @returns {ESTree.ArrayExpression}
 */
export function array(elements = []) {
	return { type: 'ArrayExpression', elements };
}

/**
 * @param {Array<ESTree.Pattern | null>} elements
 * @returns {ESTree.ArrayPattern}
 */
export function array_pattern(elements) {
	return { type: 'ArrayPattern', elements };
}

/**
 * @param {ESTree.Pattern} left
 * @param {ESTree.Expression} right
 * @returns {ESTree.AssignmentPattern}
 */
export function assignment_pattern(left, right) {
	return { type: 'AssignmentPattern', left, right };
}

/**
 * @param {Array<ESTree.Pattern>} params
 * @param {ESTree.BlockStatement | ESTree.Expression} body
 * @param {boolean} async
 * @returns {ESTree.ArrowFunctionExpression}
 */
export function arrow(params, body, async = false) {
	return {
		type: 'ArrowFunctionExpression',
		params,
		body,
		expression: body.type !== 'BlockStatement',
		generator: false,
		async
	};
}

/**
 * @param {ESTree.AssignmentOperator} operator
 * @param {ESTree.Pattern} left
 * @param {ESTree.Expression} right
 * @returns {ESTree.AssignmentExpression}
 */
export function assignment(operator, left, right) {
	return { type: 'AssignmentExpression', operator, left, right };
}

/**
 * @param {ESTree.Expression} argument
// ... (639 more lines)