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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 5372x 5372x 5372x 5372x 5372x 5372x 3568x 1187x 1187x 3568x 3568x 5372x 5372x 63x 1x 1x 62x 62x 62x 63x 63x 62x 62x 62x 62x 63x 2x 2x 60x 60x 5372x 5372x 2x 2x 2x 2x 5372x 5372x 275x 1x 1x 274x 274x 274x 274x 274x 275x 273x 275x 2x 2x 272x 275x 1x 1x 271x 271x 5372x 5372x 5372x 5372x 5372x 1222x 1222x 136x 1222x 5x 5x 1217x 1222x 2x 1222x 2x 2x 1213x 1213x 5372x 5372x 5372x 167x 2x 2x 165x 165x 2x 2x 163x 163x 163x 163x 163x 163x 5372x 5372x 10x 10x 10x 5372x 5372x 15x 15x 15x 5372x 5372x 35x 35x 35x 5372x 5372x 4x 4x 4x 5372x 5372x 11x 1x 1x 10x 10x 5372x 5349x 5372x 766x 766x 766x 5349x 5372x 165x 165x 165x 165x 165x 165x 165x 2x 2x 165x 5349x 5372x 3326x 3326x 3326x 1601x 1601x 3326x 5349x 5349x 5372x 196x 5372x 5153x 5153x 5372x | /** @import { CallExpression, VariableDeclarator } from 'estree' */
/** @import { AST, SvelteNode } from '#compiler' */
/** @import { Context } from '../types' */
import { get_rune } from '../../scope.js';
import * as e from '../../../errors.js';
import { get_parent, unwrap_optional } from '../../../utils/ast.js';
import { is_pure, is_safe_identifier } from './shared/utils.js';
/**
* @param {CallExpression} node
* @param {Context} context
*/
export function CallExpression(node, context) {
const parent = /** @type {SvelteNode} */ (get_parent(context.path, -1));
const rune = get_rune(node, context.state.scope);
switch (rune) {
case null:
if (!is_safe_identifier(node.callee, context.state.scope)) {
context.state.analysis.needs_context = true;
}
break;
case '$bindable':
if (node.arguments.length > 1) {
e.rune_invalid_arguments_length(node, '$bindable', 'zero or one arguments');
}
if (
parent.type !== 'AssignmentPattern' ||
context.path.at(-3)?.type !== 'ObjectPattern' ||
context.path.at(-4)?.type !== 'VariableDeclarator' ||
get_rune(
/** @type {VariableDeclarator} */ (context.path.at(-4)).init,
context.state.scope
) !== '$props'
) {
e.bindable_invalid_location(node);
}
break;
case '$host':
if (node.arguments.length > 0) {
e.rune_invalid_arguments(node, '$host');
} else if (context.state.ast_type === 'module' || !context.state.analysis.custom_element) {
e.host_invalid_placement(node);
}
break;
case '$props':
if (context.state.has_props_rune) {
e.props_duplicate(node);
}
context.state.has_props_rune = true;
if (
parent.type !== 'VariableDeclarator' ||
context.state.ast_type !== 'instance' ||
context.state.scope !== context.state.analysis.instance.scope
) {
e.props_invalid_placement(node);
}
if (node.arguments.length > 0) {
e.rune_invalid_arguments(node, rune);
}
break;
case '$state':
case '$state.raw':
case '$derived':
case '$derived.by':
if (
parent.type !== 'VariableDeclarator' &&
!(parent.type === 'PropertyDefinition' && !parent.static && !parent.computed)
) {
e.state_invalid_placement(node, rune);
}
if ((rune === '$derived' || rune === '$derived.by') && node.arguments.length !== 1) {
e.rune_invalid_arguments_length(node, rune, 'exactly one argument');
} else if (rune === '$state' && node.arguments.length > 1) {
e.rune_invalid_arguments_length(node, rune, 'zero or one arguments');
}
break;
case '$effect':
case '$effect.pre':
if (parent.type !== 'ExpressionStatement') {
e.effect_invalid_placement(node);
}
if (node.arguments.length !== 1) {
e.rune_invalid_arguments_length(node, rune, 'exactly one argument');
}
// `$effect` needs context because Svelte needs to know whether it should re-run
// effects that invalidate themselves, and that's determined by whether we're in runes mode
context.state.analysis.needs_context = true;
break;
case '$effect.tracking':
if (node.arguments.length !== 0) {
e.rune_invalid_arguments(node, rune);
}
break;
case '$effect.root':
if (node.arguments.length !== 1) {
e.rune_invalid_arguments_length(node, rune, 'exactly one argument');
}
break;
case '$inspect':
if (node.arguments.length < 1) {
e.rune_invalid_arguments_length(node, rune, 'one or more arguments');
}
break;
case '$inspect().with':
if (node.arguments.length !== 1) {
e.rune_invalid_arguments_length(node, rune, 'exactly one argument');
}
break;
case '$state.snapshot':
if (node.arguments.length !== 1) {
e.rune_invalid_arguments_length(node, rune, 'exactly one argument');
}
break;
}
if (context.state.expression && !is_pure(node.callee, context)) {
context.state.expression.has_call = true;
context.state.expression.has_state = true;
}
if (context.state.render_tag) {
// Find out which of the render tag arguments contains this call expression
const arg_idx = unwrap_optional(context.state.render_tag.expression).arguments.findIndex(
(arg) => arg === node || context.path.includes(arg)
);
// -1 if this is the call expression of the render tag itself
if (arg_idx !== -1) {
context.state.render_tag.metadata.args_with_call_expression.add(arg_idx);
}
}
if (node.callee.type === 'Identifier') {
const binding = context.state.scope.get(node.callee.name);
if (binding !== null) {
binding.is_called = true;
}
}
// `$inspect(foo)` or `$derived(foo) should not trigger the `static-state-reference` warning
if (rune === '$inspect' || rune === '$derived') {
context.next({ ...context.state, function_depth: context.state.function_depth + 1 });
} else {
context.next();
}
}
|