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 45695x 45695x 45695x 45695x 9387x 9387x 36308x 36308x 36308x 45695x 3x 45695x 1x 1x 36307x 36307x 45695x 12x 12x 36307x 45695x 10451x 10451x 10451x 1637x 10451x 1592x 1592x 1592x 1592x 1592x 112x 112x 112x 112x 112x 112x 112x 2x 1x 1x 1x 1x 1x 112x 1590x 1592x 2x 2x 1592x 10451x 36303x 36303x 36303x 40022x 25856x 68x 68x 25856x 25856x 51x 51x 25856x 25856x 25856x 14126x 14126x 14126x 25856x 9270x 753x 753x 22x 753x 4x 753x 4x 4x 9270x 8517x 2813x 2813x 8517x 687x 8517x 7830x 7830x 14x 7830x 25856x 330x 330x 330x 1488x 1488x 1488x 350x 350x 1488x 330x 298x 24x 24x 298x 330x 330x 1488x 330x 25856x 36303x 45695x 16964x 7328x 7328x 7328x 16964x 16964x 16964x 16964x 16964x 130x 130x 130x 58x 39x 39x 39x 130x 130x 16964x 34x 16964x 21x 16964x 16x 16x 16964x 45695x | /** @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);
}
}
}
|