chore: delete some unused code (#15783)

* tidy up

* more

* more

packages/svelte/src/compiler/migrate/index.js

@@ -1,7 +1,7 @@
 /** @import { VariableDeclarator, Node, Identifier, AssignmentExpression, LabeledStatement, ExpressionStatement } from 'estree' */
 /** @import { Visitors } from 'zimmerframe' */
 /** @import { ComponentAnalysis } from '../phases/types.js' */
-/** @import { Scope, ScopeRoot } from '../phases/scope.js' */
+/** @import { Scope } from '../phases/scope.js' */
 /** @import { AST, Binding, ValidatedCompileOptions } from '#compiler' */
 import MagicString from 'magic-string';
 import { walk } from 'zimmerframe';

packages/svelte/src/compiler/phases/2-analyze/index.js

@@ -5,7 +5,7 @@
 import { walk } from 'zimmerframe';
 import * as e from '../../errors.js';
 import * as w from '../../warnings.js';
-import { extract_identifiers, is_text_attribute } from '../../utils/ast.js';
+import { extract_identifiers } from '../../utils/ast.js';
 import * as b from '../../utils/builders.js';
 import { Scope, ScopeRoot, create_scopes, get_rune, set_scope } from '../scope.js';
 import check_graph_for_cycles from './utils/check_graph_for_cycles.js';

packages/svelte/src/compiler/phases/2-analyze/visitors/CallExpression.js

@@ -3,7 +3,7 @@
 /** @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 { get_parent } from '../../../utils/ast.js';
 import { is_pure, is_safe_identifier } from './shared/utils.js';
 import { dev, locate_node, source } from '../../../state.js';
 import * as b from '../../../utils/builders.js';

packages/svelte/src/compiler/phases/2-analyze/visitors/ExportNamedDeclaration.js

@@ -1,7 +1,5 @@
-/** @import { ExportNamedDeclaration, Identifier, Node } from 'estree' */
+/** @import { ExportNamedDeclaration, Identifier } from 'estree' */
-/** @import { Binding } from '#compiler' */
 /** @import { Context } from '../types' */
-/** @import { Scope } from '../../scope' */
 import * as e from '../../../errors.js';
 import { extract_identifiers } from '../../../utils/ast.js';
 

packages/svelte/src/compiler/phases/2-analyze/visitors/Identifier.js

@@ -1,5 +1,4 @@
 /** @import { Expression, Identifier } from 'estree' */
-/** @import { EachBlock } from '#compiler' */
 /** @import { Context } from '../types' */
 import is_reference from 'is-reference';
 import { should_proxy } from '../../3-transform/client/utils.js';

packages/svelte/src/compiler/phases/2-analyze/visitors/MemberExpression.js

@@ -1,10 +1,7 @@
-/** @import { MemberExpression, Node } from 'estree' */
+/** @import { MemberExpression } from 'estree' */
 /** @import { Context } from '../types' */
 import * as e from '../../../errors.js';
-import * as w from '../../../warnings.js';
-import { object } from '../../../utils/ast.js';
 import { is_pure, is_safe_identifier } from './shared/utils.js';
-import { mark_subtree_dynamic } from './shared/fragment.js';
 
 /**
  * @param {MemberExpression} node

packages/svelte/src/compiler/phases/2-analyze/visitors/shared/utils.js

@@ -1,4 +1,4 @@
-/** @import { AssignmentExpression, Expression, Identifier, Literal, Node, Pattern, PrivateIdentifier, Super, UpdateExpression, VariableDeclarator } from 'estree' */
+/** @import { AssignmentExpression, Expression, Literal, Node, Pattern, Super, UpdateExpression, VariableDeclarator } from 'estree' */
 /** @import { AST, Binding } from '#compiler' */
 /** @import { AnalysisState, Context } from '../../types' */
 /** @import { Scope } from '../../../scope' */

packages/svelte/src/compiler/phases/3-transform/client/visitors/BlockStatement.js

@@ -1,4 +1,4 @@
-/** @import { ArrowFunctionExpression, BlockStatement, CallExpression, Expression, FunctionDeclaration, FunctionExpression, Statement } from 'estree' */
+/** @import { ArrowFunctionExpression, BlockStatement, Expression, FunctionDeclaration, FunctionExpression, Statement } from 'estree' */
 /** @import { ComponentContext } from '../types' */
 import { add_state_transformers } from './shared/declarations.js';
 import * as b from '../../../../utils/builders.js';

packages/svelte/src/compiler/phases/3-transform/client/visitors/ClassBody.js

@@ -1,7 +1,5 @@
 /** @import { ClassBody, Expression, Identifier, Literal, MethodDefinition, PrivateIdentifier, PropertyDefinition } from 'estree' */
-/** @import {  } from '#compiler' */
 /** @import { Context, StateField } from '../types' */
-import { dev, is_ignored } from '../../../../state.js';
 import * as b from '../../../../utils/builders.js';
 import { regex_invalid_identifier_chars } from '../../../patterns.js';
 import { get_rune } from '../../../scope.js';

packages/svelte/src/compiler/phases/3-transform/client/visitors/IfBlock.js

@@ -1,4 +1,4 @@
-/** @import { BlockStatement, Expression, Identifier } from 'estree' */
+/** @import { BlockStatement, Expression } from 'estree' */
 /** @import { AST } from '#compiler' */
 /** @import { ComponentContext } from '../types' */
 import * as b from '../../../../utils/builders.js';

packages/svelte/src/compiler/phases/3-transform/client/visitors/LabeledStatement.js

@@ -1,8 +1,6 @@
-/** @import { Location } from 'locate-character' */
 /** @import { Expression, LabeledStatement, Statement } from 'estree' */
 /** @import { ReactiveStatement } from '#compiler' */
 /** @import { ComponentContext } from '../types' */
-import { dev, is_ignored, locator } from '../../../../state.js';
 import * as b from '../../../../utils/builders.js';
 import { build_getter } from '../utils.js';
 

packages/svelte/src/compiler/phases/3-transform/client/visitors/RegularElement.js

@@ -1,4 +1,4 @@
-/** @import { ArrayExpression, Expression, ExpressionStatement, Identifier, MemberExpression, ObjectExpression, Statement } from 'estree' */
+/** @import { ArrayExpression, Expression, ExpressionStatement, Identifier, MemberExpression, ObjectExpression } from 'estree' */
 /** @import { AST } from '#compiler' */
 /** @import { SourceLocation } from '#shared' */
 /** @import { ComponentClientTransformState, ComponentContext } from '../types' */

packages/svelte/src/compiler/phases/3-transform/client/visitors/SvelteElement.js

@@ -6,7 +6,7 @@ import { is_text_attribute } from '../../../../utils/ast.js';
 import * as b from '../../../../utils/builders.js';
 import { determine_namespace_for_children } from '../../utils.js';
 import { build_attribute_value, build_set_attributes, build_set_class } from './shared/element.js';
-import { build_render_statement, get_expression_id } from './shared/utils.js';
+import { build_render_statement } from './shared/utils.js';
 
 /**
  * @param {AST.SvelteElement} node

packages/svelte/src/compiler/phases/3-transform/client/visitors/shared/element.js

@@ -1,6 +1,6 @@
 /** @import { ArrayExpression, Expression, Identifier, ObjectExpression } from 'estree' */
 /** @import { AST, ExpressionMetadata } from '#compiler' */
-/** @import { ComponentClientTransformState, ComponentContext } from '../../types' */
+/** @import { ComponentContext } from '../../types' */
 import { escape_html } from '../../../../../../escaping.js';
 import { normalize_attribute } from '../../../../../../utils.js';
 import { is_ignored } from '../../../../../state.js';

packages/svelte/src/compiler/phases/3-transform/server/visitors/EachBlock.js

@@ -1,4 +1,4 @@
-/** @import { BlockStatement, Expression, Pattern, Statement } from 'estree' */
+/** @import { BlockStatement, Expression, Statement } from 'estree' */
 /** @import { AST } from '#compiler' */
 /** @import { ComponentContext } from '../types.js' */
 import { BLOCK_OPEN_ELSE } from '../../../../../internal/server/hydration.js';

packages/svelte/src/compiler/phases/3-transform/server/visitors/IfBlock.js

@@ -1,4 +1,4 @@
-/** @import { BlockStatement, Expression, IfStatement } from 'estree' */
+/** @import { BlockStatement, Expression } from 'estree' */
 /** @import { AST } from '#compiler' */
 /** @import { ComponentContext } from '../types.js' */
 import { BLOCK_OPEN_ELSE } from '../../../../../internal/server/hydration.js';

packages/svelte/src/compiler/phases/3-transform/server/visitors/shared/element.js

@@ -1,11 +1,7 @@
 /** @import { ArrayExpression, Expression, Literal, ObjectExpression } from 'estree' */
-/** @import { AST, Namespace } from '#compiler' */
+/** @import { AST } from '#compiler' */
 /** @import { ComponentContext, ComponentServerTransformState } from '../../types.js' */
-import {
+import { is_event_attribute, is_text_attribute } from '../../../../../utils/ast.js';
-	get_attribute_chunks,
-	is_event_attribute,
-	is_text_attribute
-} from '../../../../../utils/ast.js';
 import { binding_properties } from '../../../../bindings.js';
 import {
 	create_attribute,

packages/svelte/src/compiler/phases/3-transform/server/visitors/shared/utils.js

@@ -1,4 +1,4 @@
-/** @import { AssignmentOperator, Expression, Identifier, Node, Statement, TemplateElement } from 'estree' */
+/** @import { AssignmentOperator, Expression, Identifier, Node, Statement } from 'estree' */
 /** @import { AST } from '#compiler' */
 /** @import { ComponentContext, ServerTransformState } from '../../types.js' */
 

packages/svelte/src/compiler/phases/scope.js

@@ -16,10 +16,10 @@ import { is_reserved, is_rune } from '../../utils.js';
 import { determine_slot } from '../utils/slot.js';
 import { validate_identifier_name } from './2-analyze/visitors/shared/utils.js';
 
-export const UNKNOWN = Symbol('unknown');
+const UNKNOWN = Symbol('unknown');
 /** Includes `BigInt` */
-export const NUMBER = Symbol('number');
+const NUMBER = Symbol('number');
-export const STRING = Symbol('string');
+const STRING = Symbol('string');
 
 export class Binding {
 	/** @type {Scope} */

packages/svelte/src/constants.js

@@ -22,7 +22,6 @@ export const HYDRATION_START = '[';
 /** used to indicate that an `{:else}...` block was rendered */
 export const HYDRATION_START_ELSE = '[!';
 export const HYDRATION_END = ']';
-export const HYDRATION_AWAIT_THEN = '!';
 export const HYDRATION_ERROR = {};
 
 export const ELEMENT_IS_NAMESPACED = 1;

packages/svelte/src/internal/client/context.js

@@ -7,8 +7,7 @@ import {
 	active_effect,
 	active_reaction,
 	set_active_effect,
-	set_active_reaction,
+	set_active_reaction
-	untrack
 } from './runtime.js';
 import { effect, teardown } from './reactivity/effects.js';
 import { legacy_mode_flag } from '../flags/index.js';

packages/svelte/src/internal/client/dev/tracing.js

@@ -1,4 +1,4 @@
-/** @import { Derived, Reaction, Signal, Value } from '#client' */
+/** @import { Derived, Reaction, Value } from '#client' */
 import { UNINITIALIZED } from '../../../constants.js';
 import { snapshot } from '../../shared/clone.js';
 import { define_property } from '../../shared/utils.js';

packages/svelte/src/internal/client/dom/blocks/css-props.js

@@ -1,6 +1,6 @@
 /** @import { TemplateNode } from '#client' */
 import { render_effect, teardown } from '../../reactivity/effects.js';
-import { hydrate_node, hydrating, set_hydrate_node } from '../hydration.js';
+import { hydrating, set_hydrate_node } from '../hydration.js';
 import { get_first_child } from '../operations.js';
 
 /**

packages/svelte/src/internal/client/dom/blocks/each.js

@@ -35,7 +35,7 @@ import { source, mutable_source, internal_set } from '../../reactivity/sources.j
 import { array_from, is_array } from '../../../shared/utils.js';
 import { INERT } from '../../constants.js';
 import { queue_micro_task } from '../task.js';
-import { active_effect, active_reaction, get } from '../../runtime.js';
+import { active_effect, get } from '../../runtime.js';
 import { DEV } from 'esm-env';
 import { derived_safe_equal } from '../../reactivity/deriveds.js';
 

packages/svelte/src/internal/client/dom/elements/bindings/media.js

@@ -1,4 +1,3 @@
-import { hydrating } from '../../hydration.js';
 import { render_effect, effect, teardown } from '../../../reactivity/effects.js';
 import { listen } from './shared.js';
 

packages/svelte/src/internal/client/dom/elements/custom-element.js

@@ -1,5 +1,5 @@
 import { createClassComponent } from '../../../../legacy/legacy-client.js';
-import { destroy_effect, effect_root, render_effect } from '../../reactivity/effects.js';
+import { effect_root, render_effect } from '../../reactivity/effects.js';
 import { append } from '../template.js';
 import { define_property, get_descriptor, object_keys } from '../../../shared/utils.js';
 

packages/svelte/src/internal/client/dom/elements/events.js

@@ -1,4 +1,3 @@
-/** @import { Location } from 'locate-character' */
 import { teardown } from '../../reactivity/effects.js';
 import { define_property, is_array } from '../../../shared/utils.js';
 import { hydrating } from '../hydration.js';

packages/svelte/src/internal/client/dom/legacy/event-modifiers.js

@@ -1,4 +1,3 @@
-/** @import { ActionReturn } from 'svelte/action' */
 import { noop } from '../../../shared/utils.js';
 import { user_pre_effect } from '../../reactivity/effects.js';
 import { on } from '../elements/events.js';

packages/svelte/src/internal/client/reactivity/equality.js

@@ -1,4 +1,5 @@
 /** @import { Equals } from '#client' */
+
 /** @type {Equals} */
 export function equals(value) {
 	return value === this.v;

packages/svelte/src/internal/client/reactivity/props.js

@@ -7,7 +7,7 @@ import {
 	PROPS_IS_RUNES,
 	PROPS_IS_UPDATED
 } from '../../../constants.js';
-import { define_property, get_descriptor, is_function } from '../../shared/utils.js';
+import { get_descriptor, is_function } from '../../shared/utils.js';
 import { mutable_source, set, source, update } from './sources.js';
 import { derived, derived_safe_equal } from './deriveds.js';
 import { get, captured_signals, untrack } from '../runtime.js';

packages/svelte/src/internal/client/runtime.js

@@ -27,7 +27,7 @@ import {
 } from './constants.js';
 import { flush_tasks } from './dom/task.js';
 import { internal_set, old_values } from './reactivity/sources.js';
-import { destroy_derived_effects, execute_derived, update_derived } from './reactivity/deriveds.js';
+import { destroy_derived_effects, update_derived } from './reactivity/deriveds.js';
 import * as e from './errors.js';
 import { FILENAME } from '../../constants.js';
 import { tracing_mode_flag } from '../flags/index.js';

packages/svelte/src/internal/server/dev.js

@@ -26,14 +26,6 @@ let parent = null;
 /** @type {Set<string>} */
 let seen;
 
-/**
- * @param {Element} element
- */
-function stringify(element) {
-	if (element.filename === null) return `\`<${element.tag}>\``;
-	return `\`<${element.tag}>\` (${element.filename}:${element.line}:${element.column})`;
-}
-
 /**
  * @param {Payload} payload
  * @param {string} message