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 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 45815x 45815x 45815x 45815x 9407x 9407x 36408x 36408x 36408x 45815x 3x 45815x 1x 1x 36407x 36407x 45815x 12x 12x 36407x 45815x 10515x 10515x 10515x 1643x 10515x 1598x 1598x 1598x 1598x 1598x 112x 112x 112x 112x 112x 112x 112x 2x 1x 1x 1x 1x 1x 112x 1596x 1598x 2x 2x 1598x 10515x 36403x 36403x 36403x 40136x 25892x 68x 68x 25892x 25892x 57x 57x 25892x 25892x 25892x 14146x 14146x 14146x 25892x 9286x 753x 753x 22x 753x 4x 753x 4x 4x 9286x 8533x 2813x 2813x 8533x 687x 8533x 7846x 7846x 14x 7846x 25892x 330x 330x 330x 1488x 1488x 1488x 350x 350x 1488x 330x 298x 24x 24x 298x 330x 330x 1488x 330x 25892x 36403x 45815x 17000x 7344x 7344x 7344x 17000x 17000x 17000x 17000x 17000x 130x 130x 130x 58x 39x 39x 39x 130x 130x 17000x 34x 17000x 21x 17000x 16x 16x 17000x 45815x | /** @import { Expression, Identifier } from 'estree' */
/** @import { Context } from '../types' */
import is_reference from 'is-reference';
import { should_proxy_or_freeze } from '../../3-transform/client/utils.js';
import * as e from '../../../errors.js';
import * as w from '../../../warnings.js';
import { is_rune } from '../../../../utils.js';
/**
* @param {Identifier} node
* @param {Context} context
*/
export function Identifier(node, context) {
let i = context.path.length;
let parent = /** @type {Expression} */ (context.path[--i]);
if (!is_reference(node, parent)) {
return;
}
// If we are using arguments outside of a function, then throw an error
if (
node.name === 'arguments' &&
!context.path.some((n) => n.type === 'FunctionDeclaration' || n.type === 'FunctionExpression')
) {
e.invalid_arguments_usage(node);
}
// `$$slots` exists even in runes mode
if (node.name === '$$slots') {
context.state.analysis.uses_slots = true;
}
if (context.state.analysis.runes) {
if (
is_rune(node.name) &&
context.state.scope.get(node.name) === null &&
context.state.scope.get(node.name.slice(1)) === null
) {
/** @type {Expression} */
let current = node;
let name = node.name;
while (parent.type === 'MemberExpression') {
if (parent.computed) e.rune_invalid_computed_property(parent);
name += `.${/** @type {Identifier} */ (parent.property).name}`;
current = parent;
parent = /** @type {Expression} */ (context.path[--i]);
if (!is_rune(name)) {
if (name === '$effect.active') {
e.rune_renamed(parent, '$effect.active', '$effect.tracking');
}
e.rune_invalid_name(parent, name);
}
}
if (parent.type !== 'CallExpression') {
e.rune_missing_parentheses(current);
}
}
}
let binding = context.state.scope.get(node.name);
if (!context.state.analysis.runes) {
if (node.name === '$$props') {
context.state.analysis.uses_props = true;
}
if (node.name === '$$restProps') {
context.state.analysis.uses_rest_props = true;
}
if (
binding?.kind === 'normal' &&
((binding.scope === context.state.instance_scope &&
binding.declaration_kind !== 'function') ||
binding.declaration_kind === 'import')
) {
if (binding.declaration_kind === 'import') {
if (
binding.mutated &&
// TODO could be more fine-grained - not every mention in the template implies a state binding
(context.state.reactive_statement || context.state.ast_type === 'template') &&
parent.type === 'MemberExpression'
) {
binding.kind = 'legacy_reactive_import';
}
} else if (
binding.mutated &&
// TODO could be more fine-grained - not every mention in the template implies a state binding
(context.state.reactive_statement || context.state.ast_type === 'template')
) {
binding.kind = 'state';
} else if (
context.state.reactive_statement &&
parent.type === 'AssignmentExpression' &&
parent.left === binding.node
) {
binding.kind = 'derived';
}
} else if (binding?.kind === 'each' && binding.mutated) {
// Ensure that the array is marked as reactive even when only its entries are mutated
let i = context.path.length;
while (i--) {
const ancestor = context.path[i];
if (
ancestor.type === 'EachBlock' &&
context.state.analysis.template.scopes.get(ancestor)?.declarations.get(node.name) ===
binding
) {
for (const binding of ancestor.metadata.references) {
if (binding.kind === 'normal') {
binding.kind = 'state';
}
}
break;
}
}
}
}
if (binding && binding.kind !== 'normal') {
if (context.state.expression) {
context.state.expression.dependencies.add(binding);
context.state.expression.has_state = true;
}
if (
context.state.analysis.runes &&
node !== binding.node &&
context.state.function_depth === binding.scope.function_depth &&
// If we have $state that can be proxied or frozen and isn't re-assigned, then that means
// it's likely not using a primitive value and thus this warning isn't that helpful.
((binding.kind === 'state' &&
(binding.reassigned ||
(binding.initial?.type === 'CallExpression' &&
binding.initial.arguments.length === 1 &&
binding.initial.arguments[0].type !== 'SpreadElement' &&
!should_proxy_or_freeze(binding.initial.arguments[0], context.state.scope)))) ||
binding.kind === 'frozen_state' ||
binding.kind === 'derived') &&
// We're only concerned with reads here
(parent.type !== 'AssignmentExpression' || parent.left !== node) &&
parent.type !== 'UpdateExpression'
) {
w.state_referenced_locally(node);
}
}
}
|