html-validate

{ "$schema": "http://json-schema.org/draft-06/schema#", "$id": "https://html-validate.org/schemas/elements.json", "type": "object", "properties": { "$schema": { "type": "string" } }, "patternProperties": { "^[^$].*$": { "type": "object", "properties": { "inherit": { "title": "Inherit from another element", "description": "Most properties from the parent element will be copied onto this one", "type": "string" }, "embedded": { "title": "Mark this element as belonging in the embedded content category", "$ref": "#/definitions/contentCategory" }, "flow": { "title": "Mark this element as belonging in the flow content category", "$ref": "#/definitions/contentCategory" }, "heading": { "title": "Mark this element as belonging in the heading content category", "$ref": "#/definitions/contentCategory" }, "interactive": { "title": "Mark this element as belonging in the interactive content category", "$ref": "#/definitions/contentCategory" }, "metadata": { "title": "Mark this element as belonging in the metadata content category", "$ref": "#/definitions/contentCategory" }, "phrasing": { "title": "Mark this element as belonging in the phrasing content category", "$ref": "#/definitions/contentCategory" }, "sectioning": { "title": "Mark this element as belonging in the sectioning content category", "$ref": "#/definitions/contentCategory" }, "deprecated": { "title": "Mark element as deprecated", "description": "Deprecated elements should not be used. If a message is provided it will be included in the error", "anyOf": [ { "type": "boolean" }, { "type": "string" }, { "$ref": "#/definitions/deprecatedElement" } ] }, "foreign": { "title": "Mark element as foreign", "description": "Foreign elements are elements which have a start and end tag but is otherwize not parsed", "type": "boolean" }, "void": { "title": "Mark element as void", "description": "Void elements are elements which cannot have content and thus must not use an end tag", "type": "boolean" }, "transparent": { "title": "Mark element as transparent", "description": "Transparent elements follows the same content model as its parent, i.e. the content must be allowed in the parent.", "anyOf": [{ "type": "boolean" }, { "type": "array", "items": { "type": "string" } }] }, "implicitClosed": { "title": "List of elements which implicitly closes this element", "description": "Some elements are automatically closed when another start tag occurs", "type": "array", "items": { "type": "string" } }, "implicitRole": { "title": "Implicit ARIA role for this element", "description": "Some elements have implicit ARIA roles.", "deprecated": true, "function": true }, "aria": { "title": "WAI-ARIA properties for this element", "$ref": "#/definitions/Aria" }, "scriptSupporting": { "title": "Mark element as script-supporting", "description": "Script-supporting elements are elements which can be inserted where othersise not permitted to assist in templating", "type": "boolean" }, "focusable": { "title": "Mark this element as focusable", "description": "This element may contain an associated label element.", "anyOf": [{ "type": "boolean" }, { "function": true }] }, "form": { "title": "Mark element as a submittable form element", "type": "boolean" }, "formAssociated": { "title": "Mark element as a form-associated element", "$ref": "#/definitions/FormAssociated" }, "labelable": { "title": "Mark this element as labelable", "description": "This element may contain an associated label element.", "anyOf": [{ "type": "boolean" }, { "function": true }] }, "templateRoot": { "title": "Mark element as an element ignoring DOM ancestry, i.e. <template>.", "description": "The <template> element can contain any elements.", "type": "boolean" }, "deprecatedAttributes": { "title": "List of deprecated attributes", "type": "array", "items": { "type": "string" } }, "requiredAttributes": { "title": "List of required attributes", "type": "array", "items": { "type": "string" } }, "attributes": { "title": "List of known attributes and allowed values", "$ref": "#/definitions/PermittedAttribute" }, "permittedContent": { "title": "List of elements or categories allowed as content in this element", "$ref": "#/definitions/Permitted" }, "permittedDescendants": { "title": "List of elements or categories allowed as descendants in this element", "$ref": "#/definitions/Permitted" }, "permittedOrder": { "title": "Required order of child elements", "$ref": "#/definitions/PermittedOrder" }, "permittedParent": { "title": "List of elements or categories allowed as parent to this element", "$ref": "#/definitions/Permitted" }, "requiredAncestors": { "title": "List of required ancestor elements", "$ref": "#/definitions/RequiredAncestors" }, "requiredContent": { "title": "List of required content elements", "$ref": "#/definitions/RequiredContent" }, "textContent": { "title": "Allow, disallow or require textual content", "description": "This property controls whenever an element allows, disallows or requires text. Text from any descendant counts, not only direct children", "default": "default", "type": "string", "enum": ["none", "default", "required", "accessible"] } }, "additionalProperties": false } }, "definitions": { "Aria": { "type": "object", "additionalProperties": false, "properties": { "implicitRole": { "title": "Implicit ARIA role for this element", "description": "Some elements have implicit ARIA roles.", "anyOf": [{ "type": "string" }, { "function": true }] }, "naming": { "title": "Prohibit or allow this element to be named by aria-label or aria-labelledby", "anyOf": [{ "type": "string", "enum": ["prohibited", "allowed"] }, { "function": true }] } } }, "contentCategory": { "anyOf": [{ "type": "boolean" }, { "function": true }] }, "deprecatedElement": { "type": "object", "additionalProperties": false, "properties": { "message": { "type": "string", "title": "A short text message shown next to the regular error message." }, "documentation": { "type": "string", "title": "An extended markdown formatted message shown with the contextual rule documentation." }, "source": { "type": "string", "title": "Element source, e.g. what standard or library deprecated this element.", "default": "html5" } } }, "FormAssociated": { "type": "object", "additionalProperties": false, "properties": { "disablable": { "type": "boolean", "title": "Disablable elements can be disabled using the disabled attribute." }, "listed": { "type": "boolean", "title": "Listed elements have a name attribute and is listed in the form and fieldset elements property." } } }, "Permitted": { "type": "array", "items": { "anyOf": [ { "type": "string" }, { "type": "array", "items": { "anyOf": [ { "type": "string" }, { "$ref": "#/definitions/PermittedGroup" } ] } }, { "$ref": "#/definitions/PermittedGroup" } ] } }, "PermittedAttribute": { "type": "object", "patternProperties": { "^.*$": { "anyOf": [ { "type": "object", "additionalProperties": false, "properties": { "allowed": { "function": true, "title": "Set to a function to evaluate if this attribute is allowed in this context" }, "boolean": { "type": "boolean", "title": "Set to true if this is a boolean attribute" }, "deprecated": { "title": "Set to true or string if this attribute is deprecated", "oneOf": [{ "type": "boolean" }, { "type": "string" }] }, "list": { "type": "boolean", "title": "Set to true if this attribute is a list of space-separated tokens, each which must be valid by itself" }, "enum": { "type": "array", "title": "Exhaustive list of values (string or regex) this attribute accepts", "uniqueItems": true, "items": { "anyOf": [{ "type": "string" }, { "regexp": true }] } }, "omit": { "type": "boolean", "title": "Set to true if this attribute can optionally omit its value" }, "required": { "type": "boolean", "title": "Set to true if this attribute is required" } } }, { "type": "array", "uniqueItems": true, "items": { "type": "string" } }, { "type": "null" } ] } } }, "PermittedGroup": { "type": "object", "additionalProperties": false, "properties": { "exclude": { "anyOf": [ { "items": { "type": "string" }, "type": "array" }, { "type": "string" } ] } } }, "PermittedOrder": { "type": "array", "items": { "type": "string" } }, "RequiredAncestors": { "type": "array", "items": { "type": "string" } }, "RequiredContent": { "type": "array", "items": { "type": "string" } } } }