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schema.json
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schema.json
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{
"$schema": "http://json-schema.org/draft-06/schema#",
"$id": "https://lonelyplanet.github.io/apple-news-format-schema/schema.json",
"title": "Apple News Format schema",
"description": "Describes article.json",
"type": "object",
"additionalProperties": false,
"properties": {
"version": {
"type": "string",
"pattern": "^[0-9]+\\.[0-9]+$",
"description": "The version of Apple News Format used in the JSON document."
},
"identifier": {
"type": "string",
"pattern": "^[a-zA-Z0-9_-]{1,64}$",
"description": "An unique, publisher-provided identifier for this article."
},
"title": {
"type": "string",
"pattern": ".+",
"description": "The article title or headline. Should be plain text."
},
"language": {
"type": "string",
"pattern": "^[a-zA-Z-]+(_[a-zA-Z-]+)?$",
"description": "A code that indicates the language of the article."
},
"layout": {
"type": "object",
"additionalProperties": false,
"description": "The article's column system.",
"properties": {
"columns": {
"description": "The number of columns this article was designed for.",
"$ref": "#/definitions/absIntMin1"
},
"width": {
"description": "The width (in points) this article was designed for.",
"$ref": "#/definitions/absIntMin1"
},
"gutter": {
"$ref": "#/definitions/absInt",
"default": 20,
"description": "The gutter provides spacing between columns."
},
"margin": {
"$ref": "#/definitions/absInt",
"default": 60,
"description": "The outer (left and right) margins of the article, in points."
}
},
"required": [
"columns",
"width"
]
},
"components": {
"$ref": "#/definitions/componentsArray",
"description": "The content of this article."
},
"advertisingSettings": {
"type": "object",
"additionalProperties": false,
"description": "These settings affect the frequency and placement of ads that are automatically placed in your article.",
"properties": {
"bannerType": {
"$ref": "#/definitions/bannerType"
},
"distanceFromMedia": {
"$ref": "#/definitions/unitsOfMeasure",
"default": 0,
"description": "The minimum required distance between automatically inserted advertisement components and media (video, images, and embeds)."
},
"frequency": {
"type": "integer",
"multipleOf": 1.0,
"minimum": 0,
"maximum": 10,
"description": "Leaving this property out, or providing a value of 0 means that no advertisement will be inserted."
},
"layout": {
"type": "object",
"additionalProperties": false,
"description": "An automatically inserted advertising component uses the surrounding margins to make sure it positions itself nicely in between components.",
"properties": {
"margin": {
"$ref": "#/definitions/margin"
}
},
"required": [
"margin"
]
}
}
},
"subtitle": {
"type": "string"
},
"metadata": {
"type": "object",
"additionalProperties": false,
"description": "Information about your article.",
"properties": {
"authors": {
"$ref": "#/definitions/uniqueStringsArray",
"description": "The authors of this article, who may or may not be shown in the Byline component."
},
"campaignData": {
"type": "object",
"description": "Custom key-value pairs that can be used for ad targeting."
},
"canonicalURL": {
"$ref": "#/definitions/httpURL",
"description": "The canonical URL of a web version of this article."
},
"coverArt": {
"type": "array",
"items": {
"$ref": "#/definitions/coverArt"
}
},
"excerpt": {
"type": "string"
},
"keywords": {
"allOf": [
{
"$ref": "#/definitions/uniqueStringsArray"
},
{
"maxItems": 50
}
]
},
"thumbnailURL": {
"$ref": "#/definitions/URL"
},
"transparentToolbar": {
"type": "boolean",
"default": false
},
"videoURL": {
"$ref": "#/definitions/httpURL"
},
"links": {
"type": "array",
"items": {
"$ref": "#/definitions/linkedArticle"
},
"description": "Links to other articles in Apple News."
}
},
"patternProperties": {
"^date(Created|Modified|Published)$": {
"$ref": "#/definitions/iso8601"
},
"^generator(Identifier|Name|Version)$": {
"type": "string"
}
}
},
"documentStyle": {
"type": "object",
"additionalProperties": false,
"description": "An object containing the background color of the article.",
"properties": {
"backgroundColor": {
"$ref": "#/definitions/color",
"default": "#FFF"
}
},
"required": [
"backgroundColor"
]
},
"textStyles": {
"type": "object",
"description": "The Text Style objects available to use inline for text in Text Components.",
"patternProperties": {
".+": {
"$ref": "#/definitions/textStyle"
}
}
},
"componentLayouts": {
"type": "object",
"description": "Document-level component layout objects that can be referenced by their key within the componentLayouts object.",
"patternProperties": {
".+": {
"$ref": "#/definitions/componentLayout"
}
}
},
"componentStyles": {
"type": "object",
"description": "The component styles that can be referenced by components within this document.",
"patternProperties": {
".+": {
"$ref": "#/definitions/componentStyle"
}
}
},
"componentTextStyles": {
"type": "object",
"description": "The component text styles that can be referenced by other components in this document.",
"patternProperties": {
".+": {
"$ref": "#/definitions/componentTextStyle"
}
}
}
},
"required": [
"version",
"identifier",
"title",
"language",
"layout",
"components",
"componentTextStyles"
],
"definitions": {
"abstractScene": {
"type": "object",
"properties": {
"type": {
"type": "string"
}
},
"required": [
"type"
]
},
"fadingStickyHeaderScene": {
"allOf": [
{
"$ref": "#/definitions/abstractScene"
},
{
"properties": {
"type": {
"const": "fading_sticky_header"
},
"fadeColor": {
"$ref": "#/definitions/color"
}
}
}
]
},
"parallaxScaleHeaderScene": {
"allOf": [
{
"$ref": "#/definitions/abstractScene"
},
{
"properties": {
"type": {
"const": "parallax_scale"
}
}
}
]
},
"anyScene": {
"anyOf": [
{
"$ref": "#/definitions/fadingStickyHeaderScene"
},
{
"$ref": "#/definitions/parallaxScaleHeaderScene"
}
]
},
"componentsArray": {
"type": "array",
"items": {
"$ref": "#/definitions/anyComponent"
}
},
"bannerType": {
"type": "string",
"enum": [
"any",
"standard",
"double_height",
"large"
],
"default": "any",
"description": "The type of ad."
},
"margin": {
"oneOf": [
{
"$ref": "#/definitions/absInt"
},
{
"type": "object",
"patternProperties": {
"^(top|bottom)$": {
"$ref": "#/definitions/unitsOfMeasure"
}
}
}
]
},
"padding": {
"oneOf": [
{
"$ref": "#/definitions/absInt"
},
{
"type": "object",
"patternProperties": {
"^(top|right|bottom|left)$": {
"$ref": "#/definitions/unitsOfMeasure"
}
}
}
]
},
"fillMode": {
"type": "string",
"enum": [
"fit",
"cover"
],
"default": "cover"
},
"horizontalAlignment": {
"type": "string",
"enum": [
"left",
"center",
"right"
],
"default": "center"
},
"verticalAlignment": {
"type": "string",
"enum": [
"top",
"center",
"bottom"
],
"default": "center"
},
"httpURL": {
"type": "string",
"pattern": "^https?://.+",
"format": "uri"
},
"bundleURL": {
"type": "string",
"pattern": "^bundle://.+",
"format": "uri"
},
"URL": {
"type": "string",
"pattern": "^(bundle|https?)://.+",
"format": "uri"
},
"appleNewsURL": {
"type": "string",
"pattern": "^https://apple\\.news/.+",
"format": "uri"
},
"colorStop": {
"typpe": "object",
"additionalProperties": false,
"properties": {
"color": {
"$ref": "#/definitions/color"
},
"location": {
"$ref": "#/definitions/percentage"
}
},
"required": [
"color"
]
},
"linearGradient": {
"type": "object",
"additionalProperties": false,
"properties": {
"type": {
"type": "string",
"const": "linear_gradient"
},
"colorStops": {
"type": "array",
"minItems": 1,
"items": {
"$ref": "#/definitions/colorStop"
}
},
"angle": {
"$ref": "#/definitions/degree"
}
},
"required": [
"type",
"colorStops"
]
},
"videoFill": {
"type": "object",
"additionalProperties": false,
"properties": {
"type": {
"type": "string",
"const": "video"
},
"URL": {
"$ref": "#/definitions/httpURL"
},
"stillURL": {
"$ref": "#/definitions/URL"
},
"fillMode": {
"$ref": "#/definitions/fillMode"
},
"horizontalAlignment": {
"$ref": "#/definitions/horizontalAlignment"
},
"verticalAlignment": {
"$ref": "#/definitions/verticalAlignment"
},
"loop": {
"type": "boolean",
"default": true
}
},
"required": [
"type",
"URL",
"stillURL"
]
},
"imageFill": {
"type": "object",
"additionalProperties": false,
"properties": {
"type": {
"type": "string",
"const": "image"
},
"URL": {
"$ref": "#/definitions/URL"
},
"attachment": {
"type": "string",
"enum": [
"scroll",
"fixed"
]
},
"fillMode": {
"$ref": "#/definitions/fillMode"
},
"horizontalAlignment": {
"$ref": "#/definitions/horizontalAlignment"
},
"verticalAlignment": {
"$ref": "#/definitions/verticalAlignment"
}
},
"required": [
"type",
"URL"
]
},
"uniqueStringsArray": {
"type": "array",
"uniqueItems": true,
"items": {
"type": "string"
}
},
"componentTextStyle": {
"allOf": [
{
"$ref": "#/definitions/textStyle"
},
{
"properties": {
"dropCapStyle": {
"type": "object",
"additionalProperties": false,
"properties": {
"numberOfLines": {
"type": "integer",
"multipleOf": 1.0,
"minimum": 2,
"maximum": 10
},
"backgroundColor": {
"$ref": "#/definitions/color"
},
"fontName": {
"type": "string"
},
"numberOfCharacters": {
"type": "integer",
"multipleOf": 1.0,
"minimum": 1,
"maximum": 4
},
"numberOfRaisedLines": {
"$ref": "#/definitions/absInt"
},
"padding": {
"$ref": "#/definitions/absInt"
},
"textColor": {
"$ref": "#/definitions/color"
}
},
"required": [
"numberOfLines"
]
},
"firstLineIndent": {
"$ref": "#/definitions/absInt"
},
"hangingPunctuation": {
"type": "boolean",
"default": false
},
"hyphenation": {
"type": "boolean"
},
"lineHeight": {
"$ref": "#/definitions/absIntMin1"
},
"linkStyle": {
"$ref": "#/definitions/textStyle"
},
"paragraphSpacingBefore": {
"$ref": "#/definitions/absInt"
},
"paragraphSpacingAfter": {
"$ref": "#/definitions/absInt"
},
"textAlignment": {
"type": "string",
"enum": [
"left",
"right",
"center",
"justified",
"none"
]
},
"textShadow": {
"$ref": "#/definitions/textShadow"
}
}
}
]
},
"strokeStyle": {
"type": "object",
"additionalProperties": false,
"properties": {
"color": {
"$ref": "#/definitions/color"
},
"width": {
"$ref": "#/definitions/unitsOfMeasure"
},
"style": {
"type": "string",
"enum": [
"solid",
"dashed",
"dotted"
],
"default": "solid"
}
}
},
"border": {
"type": "object",
"additionalProperties": false,
"properties": {
"all": {
"$ref": "#/definitions/strokeStyle"
}
},
"patternProperties": {
"^(top|right|bottom|left)$": {
"type": "boolean",
"default": true
}
}
},
"componentStyle": {
"type": "object",
"additionalProperties": false,
"properties": {
"backgroundColor": {
"$ref": "#/definitions/color"
},
"fill": {
"anyOf": [
{
"$ref": "#/definitions/imageFill"
},
{
"$ref": "#/definitions/videoFill"
},
{
"$ref": "#/definitions/linearGradient"
}
]
},
"opacity": {
"$ref": "#/definitions/percentage"
},
"border": {
"$ref": "#/definitions/border"
},
"tableStyle": {
"$ref": "#/definitions/tableStyle"
}
}
},
"componentLayout": {
"type": "object",
"properties": {
"columnSpan": {
"$ref": "#/definitions/absIntMin1"
},
"columnStart": {
"$ref": "#/definitions/absInt"
},
"contentInset": {
"oneOf": [
{
"type": "boolean"
},
{
"type": "object",
"patternProperties": {
"^(top|right|bottom|left)$": {
"type": "boolean",
"default": false
}
}
}
]
},
"horizontalContentAlignment": {
"$ref": "#/definitions/horizontalAlignment"
},
"margin": {
"$ref": "#/definitions/margin"
},
"maximumContentWidth": {
"$ref": "#/definitions/unitsOfMeasure"
},
"minimumHeight": {
"$ref": "#/definitions/unitsOfMeasure"
}
},
"patternProperties": {
"^ignoreDocument(Gutter|Margin)$": {
"oneOf": [
{
"type": "boolean"
},
{
"type": "string",
"enum": [
"none",
"left",
"right",
"both"
]
}
],
"default": "none"
}
}
},
"textShadow": {
"type": "object",
"additionalProperties": false,
"properties": {
"color": {
"$ref": "#/definitions/color"
},
"radius": {
"type": "number",
"minimum": 0,
"maximum": 100
},
"opacity": {
"$ref": "#/definitions/percentage"
},
"offset": {
"type": "object",
"additionalProperties": false,
"patternProperties": {
"^[xy]$": {
"$ref": "#/definitions/shadowOffsetNumber"
}
},
"required": [
"x",
"y"
]
}
},
"required": [
"color",
"radius"
]
},
"textStyle": {
"type": "object",
"properties": {
"backgroundColor": {
"$ref": "#/definitions/color",
"default": "transparent"
},
"fontFamily": {
"type": "string"
},
"fontName": {
"type": "string",
"description": "Use fontName to refer to an explicit font variant's postscript name."
},
"fontSize": {
"$ref": "#/definitions/absIntMin1"
},
"fontStyle": {
"type": "string",
"enum": [
"normal",
"italic",
"oblique"
]
},
"fontWeight": {
"oneOf": [
{
"type": "integer",
"multipleOf": 100.0,
"minimum": 100,
"maximum": 900
},
{
"type": "string",
"enum": [
"thin",
"extra-light",
"extralight",
"ultra-light",
"light",
"regular",
"normal",
"book",
"roman",
"medium",
"semi-bold",
"semibold",
"demi-bold",
"demibold",
"bold",
"extra-bold",
"extrabold",
"ultra-bold",
"ultrabold",
"black",
"heavy",
"lighter",
"bolder"
]
}
]
},
"fontWidth": {
"type": "string",
"enum": [
"ultra-condensed",
"extra-condensed",
"condensed",
"semi-condensed",
"normal",
"semi-expanded",
"expanded",
"extra-expanded",
"ultra-expanded"
],
"description": "Defines the width characteristics of a font variant between normal, condensed and expanded."
},
"orderedListItems": {
"$ref": "#/definitions/listItemStyle"
},
"unorderedListItems": {
"$ref": "#/definitions/listItemStyle"
},
"strikethrough": {
"oneOf": [
{
"type": "boolean"
},
{
"$ref": "#/definitions/textDecoration"
}
]
},
"stroke": {
"allOf": [
{
"$ref": "#/definitions/textDecoration"
},
{
"required": [
"color"
]
}
]
},
"textColor": {
"$ref": "#/definitions/color"
},
"textShadow": {
"$ref": "#/definitions/textShadow"
},
"tracking": {
"$ref": "#/definitions/percentage"
},
"underline": {
"oneOf": [
{
"type": "boolean"
},
{
"$ref": "#/definitions/textDecoration"
}
]
},
"verticalAlignment": {
"type": "string",
"enum": [
"superscript",
"subscript",
"baseline"
]
}
}
},
"inlineTextStyle": {
"type": "object",
"properties": {
"rangeLength": {
"$ref": "#/definitions/absInt"
},
"rangeStart": {
"$ref": "#/definitions/absInt"
},
"textStyle": {
"oneOf": [
{
"type": "string",
"pattern": ".+"
},
{
"$ref": "#/definitions/textStyle"
}
]
}
},
"required": [
"rangeLength",
"rangeStart",
"textStyle"
]
},
"degree": {
"type": "number",
"minimum": -360,
"maximum": 360
},
"percentage": {
"type": "number",
"minimum": 0,
"maximum": 1
},
"shadowOffsetNumber": {
"type": "number",
"minimum": -50,
"maximum": 50
},
"textDecoration": {
"type": "object",
"additionalProperties": false,
"properties": {
"color": {
"$ref": "#/definitions/color"
},
"width": {
"$ref": "#/definitions/absIntMin1"
}
}
},
"listItemStyle": {
"type": "object",
"additionalProperties": false,
"properties": {
"type": {
"type": "string",
"enum": [
"bullet",
"decimal",
"lower_alphabetical",
"upper_alphabetical",
"lower_roman",
"upper_roman",
"character",
"none"
]
},
"character": {
"type": "string",
"maxLength": 1
}
},
"required": [
"type"
]
},
"hexColor": {
"type": "string",
"pattern": "^#([a-fA-F0-9]{3,4}|[a-fA-F0-9]{6}|[a-fA-F0-9]{8})$"
},
"colorName": {
"type": "string",
"enum": [
"aliceblue",
"antiquewhite",
"aqua",
"aquamarine",
"azure",
"beige",
"bisque",
"black",
"blanchedalmond",
"blue",
"blueviolet",
"brown",
"burlywood",
"cadetblue",
"chartreuse",
"chocolate",
"coral",
"cornflowerblue",
"cornsilk",
"crimson",
"cyan",
"darkblue",
"darkcyan",
"darkgoldenrod",
"darkgray",
"darkgreen",
"darkgrey",
"darkkhaki",
"darkmagenta",
"darkolivegreen",
"darkorange",
"darkorchid",
"darkred",
"darksalmon",
"darkseagreen",
"darkslateblue",
"darkslategray",
"darkslategrey",
"darkturquoise",
"darkviolet",
"deeppink",
"deepskyblue",
"dimgray",
"dimgrey",
"dodgerblue",
"firebrick",
"floralwhite",
"forestgreen",
"fuchsia",
"gainsboro",
"ghostwhite",
"gold",
"goldenrod",
"gray",
"green",
"greenyellow",