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put messages in blockquotes (#11311)

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2
packages/svelte/messages/client-errors/effects.md
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## effect_update_depth_exceeded
Maximum update depth exceeded. This can happen when a reactive block or effect repeatedly sets a new value. Svelte limits the number of nested updates to prevent infinite loops
> Maximum update depth exceeded. This can happen when a reactive block or effect repeatedly sets a new value. Svelte limits the number of nested updates to prevent infinite loops

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packages/svelte/messages/client-errors/lifecycle.md
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## lifecycle_outside_component
`%name%(...)` can only be used during component initialisation
> `%name%(...)` can only be used during component initialisation
## lifecycle_legacy_only
`%name%(...)` cannot be used in runes mode
> `%name%(...)` cannot be used in runes mode

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packages/svelte/messages/client-warnings/warnings.md
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## lifecycle_double_unmount
Tried to unmount a component that was not mounted
> Tried to unmount a component that was not mounted
## ownership_invalid_binding
%parent% passed a value to %child% with `bind:`, but the value is owned by %owner%. Consider creating a binding between %owner% and %parent%
> %parent% passed a value to %child% with `bind:`, but the value is owned by %owner%. Consider creating a binding between %owner% and %parent%

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packages/svelte/messages/compile-errors/attributes.md
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## empty_attribute_shorthand
Attribute shorthand cannot be empty
> Attribute shorthand cannot be empty
## duplicate_attribute
Attributes need to be unique
> Attributes need to be unique
## invalid_event_attribute_value
Event attribute must be a JavaScript expression, not a string
> Event attribute must be a JavaScript expression, not a string
## invalid_attribute_name
'%name%' is not a valid attribute name
> '%name%' is not a valid attribute name
## animation_invalid_placement
An element that uses the `animate:` directive must be the only child of a keyed `{#each ...}` block
> An element that uses the `animate:` directive must be the only child of a keyed `{#each ...}` block
## animation_missing_key
An element that uses the `animate:` directive must be the only child of a keyed `{#each ...}` block. Did you forget to add a key to your each block?
> An element that uses the `animate:` directive must be the only child of a keyed `{#each ...}` block. Did you forget to add a key to your each block?
## animation_duplicate
An element can only have one 'animate' directive
> An element can only have one 'animate' directive
## invalid_event_modifier
Valid event modifiers are %list%
> Valid event modifiers are %list%
## invalid_component_event_modifier
Event modifiers other than 'once' can only be used on DOM elements
> Event modifiers other than 'once' can only be used on DOM elements
## invalid_event_modifier_combination
The '%modifier1%' and '%modifier2%' modifiers cannot be used together
> The '%modifier1%' and '%modifier2%' modifiers cannot be used together
## transition_duplicate
Cannot use multiple `%type%:` directives on a single element
> Cannot use multiple `%type%:` directives on a single element
## transition_conflict
Cannot use `%type%:` alongside existing `%existing%:` directive
> Cannot use `%type%:` alongside existing `%existing%:` directive
## invalid_let_directive_placement
`let:` directive at invalid position
> `let:` directive at invalid position
## invalid_style_directive_modifier
Invalid 'style:' modifier. Valid modifiers are: 'important'
> Invalid 'style:' modifier. Valid modifiers are: 'important'
## invalid_sequence_expression
Sequence expressions are not allowed as attribute/directive values in runes mode, unless wrapped in parentheses
> Sequence expressions are not allowed as attribute/directive values in runes mode, unless wrapped in parentheses

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packages/svelte/messages/compile-errors/bindings.md
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## invalid_binding_expression
Can only bind to an Identifier or MemberExpression
> Can only bind to an Identifier or MemberExpression
## invalid_binding_value
Can only bind to state or props
> Can only bind to state or props
## bind_invalid_target
`bind:%name%` can only be used with %elements%
> `bind:%name%` can only be used with %elements%
## bind_invalid
`bind:%name%` is not a valid binding
> `bind:%name%` is not a valid binding
## bind_invalid_detailed
`bind:%name%` is not a valid binding. %explanation%
> `bind:%name%` is not a valid binding. %explanation%
## invalid_type_attribute
'type' attribute must be a static text value if input uses two-way binding
> 'type' attribute must be a static text value if input uses two-way binding
## invalid_multiple_attribute
'multiple' attribute must be static if select uses two-way binding
> 'multiple' attribute must be static if select uses two-way binding
## missing_contenteditable_attribute
'contenteditable' attribute is required for textContent, innerHTML and innerText two-way bindings
> 'contenteditable' attribute is required for textContent, innerHTML and innerText two-way bindings
## dynamic_contenteditable_attribute
'contenteditable' attribute cannot be dynamic if element uses two-way binding
> 'contenteditable' attribute cannot be dynamic if element uses two-way binding

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packages/svelte/messages/compile-errors/compiler_options.md
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## invalid_compiler_option
Invalid compiler option: %msg%
> Invalid compiler option: %msg%
## removed_compiler_option
Invalid compiler option: %msg%
> Invalid compiler option: %msg%

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packages/svelte/messages/compile-errors/components.md
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## invalid_component_directive
This type of directive is not valid on components
> This type of directive is not valid on components

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packages/svelte/messages/compile-errors/const_tag.md
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## invalid_const_placement
{@const} must be the immediate child of {#snippet}, {#if}, {:else if}, {:else}, {#each}, {:then}, {:catch}, <svelte:fragment> or <Component>
> {@const} must be the immediate child of {#snippet}, {#if}, {:else if}, {:else}, {#each}, {:then}, {:catch}, <svelte:fragment> or <Component>

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packages/svelte/messages/compile-errors/css.md
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## invalid_css_empty_declaration
Declaration cannot be empty
> Declaration cannot be empty
## invalid_css_global_block_list
A :global {...} block cannot be part of a selector list with more than one item
> A :global {...} block cannot be part of a selector list with more than one item
## invalid_css_global_block_modifier
A :global {...} block cannot modify an existing selector
> A :global {...} block cannot modify an existing selector
## invalid_css_global_block_combinator
A :global {...} block cannot follow a %name% combinator
> A :global {...} block cannot follow a %name% combinator
## invalid_css_global_block_declaration
A :global {...} block can only contain rules, not declarations
> A :global {...} block can only contain rules, not declarations
## invalid_css_global_placement
:global(...) can be at the start or end of a selector sequence, but not in the middle
> :global(...) can be at the start or end of a selector sequence, but not in the middle
## invalid_css_global_selector
:global(...) must contain exactly one selector
> :global(...) must contain exactly one selector
## invalid_css_global_selector_list
:global(...) must not contain type or universal selectors when used in a compound selector
> :global(...) must not contain type or universal selectors when used in a compound selector
## invalid_css_type_selector_placement
:global(...) must not be followed with a type selector
> :global(...) must not be followed with a type selector
## invalid_css_selector
Invalid selector
> Invalid selector
## invalid_css_identifier
Expected a valid CSS identifier
> Expected a valid CSS identifier
## invalid_nesting_selector
Nesting selectors can only be used inside a rule
> Nesting selectors can only be used inside a rule
## invalid_css_declaration
Declaration cannot be empty
> Declaration cannot be empty

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packages/svelte/messages/compile-errors/elements.md
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## invalid_textarea_content
A `<textarea>` can have either a value attribute or (equivalently) child content, but not both
> A `<textarea>` can have either a value attribute or (equivalently) child content, but not both
## invalid_void_content
Void elements cannot have children or closing tags
> Void elements cannot have children or closing tags
## invalid_element_content
<%name%> cannot have children
> <%name%> cannot have children
## invalid_tag_name
Expected valid tag name
> Expected valid tag name
## invalid_node_placement
%thing% is invalid inside <%parent%>
> %thing% is invalid inside <%parent%>
## illegal_title_attribute
`<title>` cannot have attributes nor directives
> `<title>` cannot have attributes nor directives
## invalid_title_content
`<title>` can only contain text and {tags}
> `<title>` can only contain text and {tags}

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packages/svelte/messages/compile-errors/legacy_reactivity.md
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## cyclical_reactive_declaration
Cyclical dependency detected: %cycle%
> Cyclical dependency detected: %cycle%

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packages/svelte/messages/compile-errors/parse.md
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## unclosed_element
`<%name%>` was left open
> `<%name%>` was left open
## unclosed_block
Block was left open
> Block was left open
## unexpected_block_close
Unexpected block closing tag
> Unexpected block closing tag
## unexpected_eof
Unexpected end of input
> Unexpected end of input
## js_parse_error
%message%
> %message%
## expected_token
Expected token %token%
> Expected token %token%
## unexpected_reserved_word
'%word%' is a reserved word in JavaScript and cannot be used here
> '%word%' is a reserved word in JavaScript and cannot be used here
## missing_whitespace
Expected whitespace
> Expected whitespace
## expected_pattern
Expected identifier or destructure pattern
> Expected identifier or destructure pattern
## invalid_script_context
If the context attribute is supplied, its value must be "module"
> If the context attribute is supplied, its value must be "module"
## invalid_elseif
'elseif' should be 'else if'
> 'elseif' should be 'else if'
## invalid_continuing_block_placement
{:...} block is invalid at this position (did you forget to close the preceeding element or block?)
> {:...} block is invalid at this position (did you forget to close the preceeding element or block?)
## invalid_block_missing_parent
%child% block must be a child of %parent%
> %child% block must be a child of %parent%
## duplicate_block_part
%name% cannot appear more than once within a block
> %name% cannot appear more than once within a block
## expected_block_type
Expected 'if', 'each', 'await', 'key' or 'snippet'
> Expected 'if', 'each', 'await', 'key' or 'snippet'
## expected_identifier
Expected an identifier
> Expected an identifier
## invalid_debug
{@debug ...} arguments must be identifiers, not arbitrary expressions
> {@debug ...} arguments must be identifiers, not arbitrary expressions
## invalid_const
{@const ...} must be an assignment
> {@const ...} must be an assignment
## invalid_block_placement
{#%name% ...} block cannot be %location%
> {#%name% ...} block cannot be %location%
## invalid_tag_placement
{@%name% ...} tag cannot be %location%
> {@%name% ...} tag cannot be %location%
## missing_attribute_value
Expected attribute value
> Expected attribute value
## unclosed_attribute_value
Expected closing %delimiter% character
> Expected closing %delimiter% character
## invalid_directive_value
Directive value must be a JavaScript expression enclosed in curly braces
> Directive value must be a JavaScript expression enclosed in curly braces
## empty_directive_name
%type% name cannot be empty
> %type% name cannot be empty
## invalid_closing_tag
</%name%> attempted to close an element that was not open
> </%name%> attempted to close an element that was not open
## invalid_closing_tag_after_autoclose
</%name%> attempted to close element that was already automatically closed by <%reason%> (cannot nest <%reason%> inside <%name%>)
> </%name%> attempted to close element that was already automatically closed by <%reason%> (cannot nest <%reason%> inside <%name%>)
## invalid_dollar_binding
The $ name is reserved, and cannot be used for variables and imports
> The $ name is reserved, and cannot be used for variables and imports
## invalid_dollar_prefix
The $ prefix is reserved, and cannot be used for variables and imports
> The $ prefix is reserved, and cannot be used for variables and imports
## invalid_dollar_global
The $ name is reserved. To reference a global variable called $, use globalThis.$
> The $ name is reserved. To reference a global variable called $, use globalThis.$
## illegal_subscription
Cannot reference store value inside `<script context="module">`
> Cannot reference store value inside `<script context="module">`
## duplicate_style_element
A component can have a single top-level `<style>` element
> A component can have a single top-level `<style>` element
## duplicate_script_element
A component can have a single top-level `<script>` element and/or a single top-level `<script context="module">` element
> A component can have a single top-level `<script>` element and/or a single top-level `<script context="module">` element
## invalid_render_expression
{@render ...} tags can only contain call expressions
> {@render ...} tags can only contain call expressions
## invalid_render_arguments
expected at most one argument
> expected at most one argument
## invalid_render_call
Calling a snippet function using apply, bind or call is not allowed
> Calling a snippet function using apply, bind or call is not allowed
## invalid_render_spread_argument
cannot use spread arguments in {@render ...} tags
> cannot use spread arguments in {@render ...} tags
## invalid_snippet_rest_parameter
snippets do not support rest parameters; use an array instead
> snippets do not support rest parameters; use an array instead

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packages/svelte/messages/compile-errors/runes.md
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## invalid_legacy_props
Cannot use `$$props` in runes mode
> Cannot use `$$props` in runes mode
## invalid_legacy_rest_props
Cannot use `$$restProps` in runes mode
> Cannot use `$$restProps` in runes mode
## invalid_legacy_reactive_statement
`$:` is not allowed in runes mode, use `$derived` or `$effect` instead
> `$:` is not allowed in runes mode, use `$derived` or `$effect` instead
## invalid_legacy_export
Cannot use `export let` in runes mode — use $props instead
> Cannot use `export let` in runes mode — use $props instead
## invalid_rune_usage
Cannot use %rune% rune in non-runes mode
> Cannot use %rune% rune in non-runes mode
## invalid_state_export
Cannot export state from a module if it is reassigned. Either export a function returning the state value or only mutate the state value's properties
> Cannot export state from a module if it is reassigned. Either export a function returning the state value or only mutate the state value's properties
## invalid_derived_export
Cannot export derived state from a module. To expose the current derived value, export a function returning its value
> Cannot export derived state from a module. To expose the current derived value, export a function returning its value
## invalid_props_id
`$props()` can only be used with an object destructuring pattern
> `$props()` can only be used with an object destructuring pattern
## invalid_props_pattern
`$props()` assignment must not contain nested properties or computed keys
> `$props()` assignment must not contain nested properties or computed keys
## invalid_props_location
`$props()` can only be used at the top level of components as a variable declaration initializer
> `$props()` can only be used at the top level of components as a variable declaration initializer
## invalid_bindable_location
`$bindable()` can only be used inside a `$props()` declaration
> `$bindable()` can only be used inside a `$props()` declaration
## invalid_state_location
`%rune%(...)` can only be used as a variable declaration initializer or a class field
> `%rune%(...)` can only be used as a variable declaration initializer or a class field
## invalid_effect_location
`$effect()` can only be used as an expression statement
> `$effect()` can only be used as an expression statement
## invalid_host_location
`$host()` can only be used inside custom element component instances
> `$host()` can only be used inside custom element component instances
## invalid_assignment
Cannot assign to %thing%
> Cannot assign to %thing%
## invalid_binding
Cannot bind to %thing%
> Cannot bind to %thing%
## invalid_rune_args
`%rune%` cannot be called with arguments
> `%rune%` cannot be called with arguments
## invalid_rune_args_length
`%rune%` must be called with %args%
> `%rune%` must be called with %args%
## invalid_runes_mode_import
%name% cannot be used in runes mode
> %name% cannot be used in runes mode
## duplicate_props_rune
Cannot use `$props()` more than once
> Cannot use `$props()` more than once
## invalid_each_assignment
Cannot reassign or bind to each block argument in runes mode. Use the array and index variables instead (e.g. `array[i] = value` instead of `entry = value`)
> Cannot reassign or bind to each block argument in runes mode. Use the array and index variables instead (e.g. `array[i] = value` instead of `entry = value`)
## invalid_snippet_assignment
Cannot reassign or bind to snippet parameter
> Cannot reassign or bind to snippet parameter
## invalid_derived_call
`$derived.call(...)` has been replaced with `$derived.by(...)`
> `$derived.call(...)` has been replaced with `$derived.by(...)`
## conflicting_property_name
Cannot have a property and a component export with the same name
> Cannot have a property and a component export with the same name

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packages/svelte/messages/compile-errors/slots.md
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## invalid_slot_element_attribute
`<slot>` can only receive attributes and (optionally) let directives
> `<slot>` can only receive attributes and (optionally) let directives
## invalid_slot_attribute
slot attribute must be a static value
> slot attribute must be a static value
## invalid_slot_name_default
`default` is a reserved word — it cannot be used as a slot name
> `default` is a reserved word — it cannot be used as a slot name
## invalid_slot_name
slot attribute must be a static value
> slot attribute must be a static value
## invalid_slot_placement
Element with a slot='...' attribute must be a child of a component or a descendant of a custom element
> Element with a slot='...' attribute must be a child of a component or a descendant of a custom element
## duplicate_slot_name
Duplicate slot name '%name%' in <%component%>
> Duplicate slot name '%name%' in <%component%>
## invalid_default_slot_content
Found default slot content alongside an explicit slot="default"
> Found default slot content alongside an explicit slot="default"
## conflicting_children_snippet
Cannot use explicit children snippet at the same time as implicit children content. Remove either the non-whitespace content or the children snippet block
> Cannot use explicit children snippet at the same time as implicit children content. Remove either the non-whitespace content or the children snippet block

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packages/svelte/messages/compile-errors/special_elements.md
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## invalid_svelte_option_attribute
`<svelte:options>` can only receive static attributes
> `<svelte:options>` can only receive static attributes
## invalid_svelte_option_namespace
Unsupported `<svelte:option>` value for "namespace". Valid values are "html", "svg" or "foreign"
> Unsupported `<svelte:option>` value for "namespace". Valid values are "html", "svg" or "foreign"
## tag_option_deprecated
"tag" option is deprecated — use "customElement" instead
> "tag" option is deprecated — use "customElement" instead
## invalid_svelte_option_runes
Unsupported `<svelte:option>` value for "runes". Valid values are true or false
> Unsupported `<svelte:option>` value for "runes". Valid values are true or false
## invalid_svelte_option_accessors
Unsupported `<svelte:option>` value for "accessors". Valid values are true or false
> Unsupported `<svelte:option>` value for "accessors". Valid values are true or false
## invalid_svelte_option_preserveWhitespace
Unsupported `<svelte:option>` value for "preserveWhitespace". Valid values are true or false
> Unsupported `<svelte:option>` value for "preserveWhitespace". Valid values are true or false
## invalid_svelte_option_immutable
Unsupported `<svelte:option>` value for "immutable". Valid values are true or false
> Unsupported `<svelte:option>` value for "immutable". Valid values are true or false
## invalid_tag_property
Tag name must be two or more words joined by the "-" character
> Tag name must be two or more words joined by the "-" character
## invalid_svelte_option_customElement
"customElement" must be a string literal defining a valid custom element name or an object of the form { tag: string; shadow?: "open" | "none"; props?: { [key: string]: { attribute?: string; reflect?: boolean; type: .. } } }
> "customElement" must be a string literal defining a valid custom element name or an object of the form { tag: string; shadow?: "open" | "none"; props?: { [key: string]: { attribute?: string; reflect?: boolean; type: .. } } }
## invalid_customElement_props_attribute
"props" must be a statically analyzable object literal of the form "{ [key: string]: { attribute?: string; reflect?: boolean; type?: "String" | "Boolean" | "Number" | "Array" | "Object" }"
> "props" must be a statically analyzable object literal of the form "{ [key: string]: { attribute?: string; reflect?: boolean; type?: "String" | "Boolean" | "Number" | "Array" | "Object" }"
## invalid_customElement_shadow_attribute
"shadow" must be either "open" or "none"
> "shadow" must be either "open" or "none"
## unknown_svelte_option_attribute
`<svelte:options>` unknown attribute '%name%'
> `<svelte:options>` unknown attribute '%name%'
## illegal_svelte_head_attribute
`<svelte:head>` cannot have attributes nor directives
> `<svelte:head>` cannot have attributes nor directives
## invalid_svelte_fragment_attribute
`<svelte:fragment>` can only have a slot attribute and (optionally) a let: directive
> `<svelte:fragment>` can only have a slot attribute and (optionally) a let: directive
## invalid_svelte_fragment_slot
`<svelte:fragment>` slot attribute must have a static value
> `<svelte:fragment>` slot attribute must have a static value
## invalid_svelte_fragment_placement
`<svelte:fragment>` must be the direct child of a component
> `<svelte:fragment>` must be the direct child of a component
## invalid_svelte_element_placement
<%name%> tags cannot be inside elements or blocks
> <%name%> tags cannot be inside elements or blocks
## duplicate_svelte_element
A component can only have one <%name%> element
> A component can only have one <%name%> element
## invalid_self_placement
`<svelte:self>` components can only exist inside {#if} blocks, {#each} blocks, {#snippet} blocks or slots passed to components
> `<svelte:self>` components can only exist inside {#if} blocks, {#each} blocks, {#snippet} blocks or slots passed to components
## missing_svelte_element_definition
`<svelte:element>` must have a 'this' attribute
> `<svelte:element>` must have a 'this' attribute
## missing_svelte_component_definition
`<svelte:component>` must have a 'this' attribute
> `<svelte:component>` must have a 'this' attribute
## invalid_svelte_element_definition
Invalid element definition — must be an {expression}
> Invalid element definition — must be an {expression}
## invalid_svelte_component_definition
Invalid component definition — must be an {expression}
> Invalid component definition — must be an {expression}
## invalid_svelte_tag
Valid `<svelte:...>` tag names are %list%
> Valid `<svelte:...>` tag names are %list%
## conflicting_slot_usage
Cannot use `<slot>` syntax and `{@render ...}` tags in the same component. Migrate towards `{@render ...}` tags completely.
> Cannot use `<slot>` syntax and `{@render ...}` tags in the same component. Migrate towards `{@render ...}` tags completely.

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packages/svelte/messages/compile-errors/variables.md
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## illegal_global
`%name%` is an illegal variable name. To reference a global variable called `%name%`, use `globalThis.%name%`
> `%name%` is an illegal variable name. To reference a global variable called `%name%`, use `globalThis.%name%`
## duplicate_declaration
`%name%` has already been declared
> `%name%` has already been declared
## default_export
A component cannot have a default export
> A component cannot have a default export
## illegal_variable_declaration
Cannot declare same variable name which is imported inside `<script context="module">`
> Cannot declare same variable name which is imported inside `<script context="module">`
## illegal_store_subscription
Cannot subscribe to stores that are not declared at the top level of the component
> Cannot subscribe to stores that are not declared at the top level of the component

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packages/svelte/messages/compile-warnings/a11y.md
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## a11y_aria_attributes
<%name%> should not have aria-* attributes
> <%name%> should not have aria-* attributes
## a11y_unknown_aria_attribute
Unknown aria attribute 'aria-%attribute%'
> Unknown aria attribute 'aria-%attribute%'
## a11y_unknown_aria_attribute_suggestion
Unknown aria attribute 'aria-%attribute%'. Did you mean '%suggestion%'?
> Unknown aria attribute 'aria-%attribute%'. Did you mean '%suggestion%'?
## a11y_hidden
<%name%> element should not be hidden
> <%name%> element should not be hidden
## a11y_incorrect_aria_attribute_type_boolean
The value of '%attribute%' must be either 'true' or 'false'
> The value of '%attribute%' must be either 'true' or 'false'
## a11y_incorrect_aria_attribute_type_integer
The value of '%attribute%' must be an integer
> The value of '%attribute%' must be an integer
## a11y_incorrect_aria_attribute_type_id
The value of '%attribute%' must be a string that represents a DOM element ID
> The value of '%attribute%' must be a string that represents a DOM element ID
## a11y_incorrect_aria_attribute_type_idlist
The value of '%attribute%' must be a space-separated list of strings that represent DOM element IDs
> The value of '%attribute%' must be a space-separated list of strings that represent DOM element IDs
## a11y_incorrect_aria_attribute_type_tristate
The value of '%attribute%' must be exactly one of true, false, or mixed
> The value of '%attribute%' must be exactly one of true, false, or mixed
## a11y_incorrect_aria_attribute_type_token
The value of '%attribute%' must be exactly one of %values%
> The value of '%attribute%' must be exactly one of %values%
## a11y_incorrect_aria_attribute_type_tokenlist
The value of '%attribute%' must be a space-separated list of one or more of %values%
> The value of '%attribute%' must be a space-separated list of one or more of %values%
## a11y_incorrect_aria_attribute_type
The value of '%attribute%' must be of type %type%
> The value of '%attribute%' must be of type %type%
## a11y_aria_activedescendant_has_tabindex
Elements with attribute aria-activedescendant should have tabindex value
> Elements with attribute aria-activedescendant should have tabindex value
## a11y_misplaced_role
<%name%> should not have role attribute
> <%name%> should not have role attribute
## a11y_no_abstract_role
Abstract role '%role%' is forbidden
> Abstract role '%role%' is forbidden
## a11y_unknown_role
Unknown role '%role%'
> Unknown role '%role%'
## a11y_unknown_role_suggestion
Unknown role '%role%'. Did you mean '%suggestion%'?
> Unknown role '%role%'. Did you mean '%suggestion%'?
## a11y_no_redundant_roles
Redundant role '%role%'
> Redundant role '%role%'
## a11y_role_has_required_aria_props
Elements with the ARIA role "%role%" must have the following attributes defined: %props%
> Elements with the ARIA role "%role%" must have the following attributes defined: %props%
## a11y_interactive_supports_focus
Elements with the '%role%' interactive role must have a tabindex value.
> Elements with the '%role%' interactive role must have a tabindex value.
## a11y_no_interactive_element_to_noninteractive_role
<%element%> cannot have role '%role%'
> <%element%> cannot have role '%role%'
## a11y_no_noninteractive_element_to_interactive_role
Non-interactive element <%element%> cannot have interactive role '%role%'
> Non-interactive element <%element%> cannot have interactive role '%role%'
## a11y_accesskey
Avoid using accesskey
> Avoid using accesskey
## a11y_autofocus
Avoid using autofocus
> Avoid using autofocus
## a11y_misplaced_scope
The scope attribute should only be used with <th> elements
> The scope attribute should only be used with <th> elements
## a11y_positive_tabindex
Avoid tabindex values above zero
> Avoid tabindex values above zero
## a11y_click_events_have_key_events
Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type="button"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.
> Visible, non-interactive elements with a click event must be accompanied by a keyboard event handler. Consider whether an interactive element such as <button type="button"> or <a> might be more appropriate. See https://svelte.dev/docs/accessibility-warnings#a11y-click-events-have-key-events for more details.
## a11y_no_noninteractive_tabindex
noninteractive element cannot have nonnegative tabIndex value
> noninteractive element cannot have nonnegative tabIndex value
## a11y_role_supports_aria_props
The attribute '%attribute%' is not supported by the role '%role%'
> The attribute '%attribute%' is not supported by the role '%role%'
## a11y_role_supports_aria_props_implicit
The attribute '%attribute%' is not supported by the role '%role%'. This role is implicit on the element <%name%>
> The attribute '%attribute%' is not supported by the role '%role%'. This role is implicit on the element <%name%>
## a11y_no_noninteractive_element_interactions
Non-interactive element <%element%> should not be assigned mouse or keyboard event listeners.
> Non-interactive element <%element%> should not be assigned mouse or keyboard event listeners.
## a11y_no_static_element_interactions
<%element%> with a %handler% handler must have an ARIA role
> <%element%> with a %handler% handler must have an ARIA role
## a11y_invalid_attribute
'%href_value%' is not a valid %href_attribute% attribute
> '%href_value%' is not a valid %href_attribute% attribute
## a11y_missing_attribute
<%name%> element should have %article% %sequence% attribute
> <%name%> element should have %article% %sequence% attribute
## a11y_autocomplete_valid
The value '%value%' is not supported by the attribute 'autocomplete' on element <input type="%type%">
> The value '%value%' is not supported by the attribute 'autocomplete' on element <input type="%type%">
## a11y_img_redundant_alt
Screenreaders already announce <img> elements as an image.
> Screenreaders already announce <img> elements as an image.
## a11y_label_has_associated_control
A form label must be associated with a control.
> A form label must be associated with a control.
## a11y_media_has_caption
<video> elements must have a <track kind="captions">
> <video> elements must have a <track kind="captions">
## a11y_distracting_elements
Avoid <%name%> elements
> Avoid <%name%> elements
## a11y_figcaption_parent
`<figcaption>` must be an immediate child of `<figure>`
> `<figcaption>` must be an immediate child of `<figure>`
## a11y_figcaption_index
`<figcaption>` must be first or last child of `<figure>`
> `<figcaption>` must be first or last child of `<figure>`
## a11y_mouse_events_have_key_events
'%event%' event must be accompanied by '%accompanied_by%' event
> '%event%' event must be accompanied by '%accompanied_by%' event
## a11y_missing_content
<%name%> element should have child content
> <%name%> element should have child content

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## avoid_is
The "is" attribute is not supported cross-browser and should be avoided
> The "is" attribute is not supported cross-browser and should be avoided
## global_event_reference
You are referencing globalThis.%name%. Did you forget to declare a variable with that name?
> You are referencing globalThis.%name%. Did you forget to declare a variable with that name?
## illegal_attribute_character
Attributes should not contain ':' characters to prevent ambiguity with Svelte directives
> Attributes should not contain ':' characters to prevent ambiguity with Svelte directives
## invalid_html_attribute
'%wrong%' is not a valid HTML attribute. Did you mean '%right%'?
> '%wrong%' is not a valid HTML attribute. Did you mean '%right%'?

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## empty_block
Empty block
> Empty block

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## component_name_lowercase
<%name%> will be treated as an HTML element unless it begins with a capital letter
> <%name%> will be treated as an HTML element unless it begins with a capital letter

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## css_unused_selector
Unused CSS selector "%name%"
> Unused CSS selector "%name%"

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## no_reactive_declaration
Reactive declarations only exist at the top level of the instance script
> Reactive declarations only exist at the top level of the instance script
## module_script_reactive_declaration
All dependencies of the reactive declaration are declared in a module script and will not be reactive
> All dependencies of the reactive declaration are declared in a module script and will not be reactive
## unused_export_let
Component has unused export property '%name%'. If it is for external reference only, please consider using `export const %name%`
> Component has unused export property '%name%'. If it is for external reference only, please consider using `export const %name%`
## deprecated_slot_element
Using <slot> to render parent content is deprecated. Use {@render ...} tags instead.
> Using <slot> to render parent content is deprecated. Use {@render ...} tags instead.
## deprecated_event_handler
Using on:%name% to listen to the %name% event is is deprecated. Use the event attribute on%name% instead.
> Using on:%name% to listen to the %name% event is is deprecated. Use the event attribute on%name% instead.

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## invalid_self_closing_tag
Self-closing HTML tags for non-void elements are ambiguous — use <%name% ...></%name%> rather than <%name% ... />
> Self-closing HTML tags for non-void elements are ambiguous — use <%name% ...></%name%> rather than <%name% ... />

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## options_deprecated_immutable
The `immutable` option has been deprecated. It will have no effect in runes mode
> The `immutable` option has been deprecated. It will have no effect in runes mode
## options_missing_custom_element
The `customElement` option is used when generating a custom element. Did you forget the `customElement: true` compile option?
> The `customElement` option is used when generating a custom element. Did you forget the `customElement: true` compile option?
## options_renamed_ssr_dom
`generate: "dom"` and `generate: "ssr"` options have been renamed to "client" and "server" respectively
> `generate: "dom"` and `generate: "ssr"` options have been renamed to "client" and "server" respectively
## options_removed_enable_sourcemap
The `enableSourcemap` option has been removed. Source maps are always generated now, and tooling can choose to ignore them
> The `enableSourcemap` option has been removed. Source maps are always generated now, and tooling can choose to ignore them
## options_removed_hydratable
The `hydratable` option has been removed. Svelte components are always hydratable now
> The `hydratable` option has been removed. Svelte components are always hydratable now
## options_removed_loop_guard_timeout
The `loopGuardTimeout` option has been removed
> The `loopGuardTimeout` option has been removed

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## avoid_inline_class
Avoid 'new class' — instead, declare the class at the top level scope
> Avoid 'new class' — instead, declare the class at the top level scope
## avoid_nested_class
Avoid declaring classes below the top level scope
> Avoid declaring classes below the top level scope

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## store_with_rune_name
It looks like you're using the `$%name%` rune, but there is a local binding called `%name%`. Referencing a local variable with a `$` prefix will create a store subscription. Please rename `%name%` to avoid the ambiguity
> It looks like you're using the `$%name%` rune, but there is a local binding called `%name%`. Referencing a local variable with a `$` prefix will create a store subscription. Please rename `%name%` to avoid the ambiguity
## non_state_reference
`%name%` is updated, but is not declared with `$state(...)`. Changing its value will not correctly trigger updates
> `%name%` is updated, but is not declared with `$state(...)`. Changing its value will not correctly trigger updates
## derived_iife
Use `$derived.by(() => {...})` instead of `$derived((() => {...})())`
> Use `$derived.by(() => {...})` instead of `$derived((() => {...})())`
## invalid_props_declaration
Component properties are declared using `$props()` in runes mode. Did you forget to call the function?
> Component properties are declared using `$props()` in runes mode. Did you forget to call the function?
## invalid_bindable_declaration
Bindable component properties are declared using `$bindable()` in runes mode. Did you forget to call the function?
> Bindable component properties are declared using `$bindable()` in runes mode. Did you forget to call the function?

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## static_state_reference
State referenced in its own scope will never update. Did you mean to reference it inside a closure?
> State referenced in its own scope will never update. Did you mean to reference it inside a closure?
## invalid_rest_eachblock_binding
The rest operator (...) will create a new object and binding '%name%' with the original object will not work
> The rest operator (...) will create a new object and binding '%name%' with the original object will not work

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packages/svelte/messages/shared-warnings/warnings.md
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## dynamic_void_element_content
`<svelte:element this="%tag%">` is a void element — it cannot have content
> `<svelte:element this="%tag%">` is a void element — it cannot have content

6
packages/svelte/scripts/process-messages/index.js
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@ -23,7 +23,11 @@ for (const category of fs.readdirSync('messages')) {
}
seen.add(code);
messages[category][code] = text.trim();
messages[category][code] = text
.trim()
.split('\n')
.map((line) => line.slice(2))
.join('\n');
}
}
}

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