···11+{
22+ "lexicon": 1,
33+ "id": "sh.comet.v0.richtext.facets",
44+ "defs": {
55+ "main": {
66+ "type": "object",
77+ "description": "Annotation of a sub-string within rich text.",
88+ "required": ["index", "features"],
99+ "properties": {
1010+ "index": { "type": "ref", "ref": "#byteSlice" },
1111+ "features": {
1212+ "type": "array",
1313+ "items": { "type": "union", "refs": ["#mention", "#link", "#tag"] }
1414+ }
1515+ }
1616+ },
1717+ "mention": {
1818+ "type": "object",
1919+ "description": "Facet feature for mention of another account. The text is usually a handle, including a '@' prefix, but the facet reference is a DID.",
2020+ "required": ["did"],
2121+ "properties": {
2222+ "did": { "type": "string", "format": "did" }
2323+ }
2424+ },
2525+ "link": {
2626+ "type": "object",
2727+ "description": "Facet feature for a URL. The text URL may have been simplified or truncated, but the facet reference should be a complete URL.",
2828+ "required": ["uri"],
2929+ "properties": {
3030+ "uri": { "type": "string", "format": "uri" }
3131+ }
3232+ },
3333+ "tag": {
3434+ "type": "object",
3535+ "description": "Facet feature for a hashtag. The text usually includes a '#' prefix, but the facet reference should not (except in the case of 'double hash tags').",
3636+ "required": ["tag"],
3737+ "properties": {
3838+ "tag": { "type": "ref", "ref": "sh.comet.v0.feed.defs#tag" }
3939+ }
4040+ },
4141+ "byteSlice": {
4242+ "type": "object",
4343+ "description": "Specifies the sub-string range a facet feature applies to. Start index is inclusive, end index is exclusive. Indices are zero-indexed, counting bytes of the UTF-8 encoded text. NOTE: some languages, like Javascript, use UTF-16 or Unicode codepoints for string slice indexing; in these languages, convert to byte arrays before working with facets.",
4444+ "required": ["byteStart", "byteEnd"],
4545+ "properties": {
4646+ "byteStart": { "type": "integer", "minimum": 0 },
4747+ "byteEnd": { "type": "integer", "minimum": 0 }
4848+ }
4949+ }
5050+ }
5151+}