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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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 7973x 7973x 7973x 1819x 1819x 1819x 1819x 1819x 1819x 1819x 1819x 1819x 793x 1819x 1285x 1411x 1411x 1411x 1411x 1411x 1411x 526x 526x 514x 514x 369x 1411x 1411x 1285x 1819x 1819x 259x 259x 259x 259x 259x 3x 3x 3x 257x 256x 256x 256x 366x 338x 366x 338x 366x 1x 1x 337x 337x 366x 366x 366x 337x 337x 337x 365x 366x 366x 366x 366x 366x 366x 366x 366x 366x 366x 366x 61x 366x 53x 53x 366x 284x 284x 366x 255x 259x 7973x 6153x 354x 354x 354x 354x 1x 354x 354x 6153x 7971x 7971x 7971x | /** @import { Expression, Identifier, Literal, VariableDeclarator } from 'estree' */ /** @import { Binding } from '#compiler' */ /** @import { Context } from '../types' */ import { get_rune } from '../../scope.js'; import { ensure_no_module_import_conflict } from './shared/utils.js'; import * as e from '../../../errors.js'; import { extract_paths } from '../../../utils/ast.js'; import { equal } from '../../../utils/assert.js'; /** * @param {VariableDeclarator} node * @param {Context} context */ export function VariableDeclarator(node, context) { ensure_no_module_import_conflict(node, context.state); if (context.state.analysis.runes) { const init = node.init; const rune = get_rune(init, context.state.scope); // TODO feels like this should happen during scope creation? if ( rune === '$state' || rune === '$state.frozen' || rune === '$derived' || rune === '$derived.by' || rune === '$props' ) { for (const path of extract_paths(node.id)) { // @ts-ignore this fails in CI for some insane reason const binding = /** @type {Binding} */ (context.state.scope.get(path.node.name)); binding.kind = rune === '$state' ? 'state' : rune === '$state.frozen' ? 'frozen_state' : rune === '$derived' || rune === '$derived.by' ? 'derived' : path.is_rest ? 'rest_prop' : 'prop'; } } if (rune === '$props') { if (node.id.type !== 'ObjectPattern' && node.id.type !== 'Identifier') { e.props_invalid_identifier(node); } context.state.analysis.needs_props = true; if (node.id.type === 'Identifier') { const binding = /** @type {Binding} */ (context.state.scope.get(node.id.name)); binding.initial = null; // else would be $props() binding.kind = 'rest_prop'; } else { equal(node.id.type, 'ObjectPattern'); for (const property of node.id.properties) { if (property.type !== 'Property') continue; if (property.computed) { e.props_invalid_pattern(property); } if (property.key.type === 'Identifier' && property.key.name.startsWith('$$')) { e.props_illegal_name(property); } const value = property.value.type === 'AssignmentPattern' ? property.value.left : property.value; if (value.type !== 'Identifier') { e.props_invalid_pattern(property); } const alias = property.key.type === 'Identifier' ? property.key.name : String(/** @type {Literal} */ (property.key).value); let initial = property.value.type === 'AssignmentPattern' ? property.value.right : null; const binding = /** @type {Binding} */ (context.state.scope.get(value.name)); binding.prop_alias = alias; // rewire initial from $props() to the actual initial value, stripping $bindable() if necessary if ( initial?.type === 'CallExpression' && initial.callee.type === 'Identifier' && initial.callee.name === '$bindable' ) { binding.initial = /** @type {Expression | null} */ (initial.arguments[0] ?? null); binding.kind = 'bindable_prop'; } else { binding.initial = initial; } } } } } else { if (node.init?.type === 'CallExpression') { const callee = node.init.callee; if ( callee.type === 'Identifier' && (callee.name === '$state' || callee.name === '$derived' || callee.name === '$props') && context.state.scope.get(callee.name)?.kind !== 'store_sub' ) { e.rune_invalid_usage(node.init, callee.name); } } } context.next(); } |