misskey/elasticsearch/mappings.json

{
	"settings": {
		"analysis": {
			"analyzer": {
				"bigram": {
					"tokenizer": "bigram_tokenizer"
				}
			},
			"tokenizer": {
				"bigram_tokenizer": {
					"type": "nGram",
					"min_gram": 2,
					"max_gram": 2,
					"token_chars": [
						"letter",
						"digit"
					]
				}
			}
		}
	},
	"mappings": {
		"user": {
			"properties": {
				"username": {
					"type": "string",
					"index": "analyzed",
					"analyzer": "bigram"
				},
				"name": {
					"type": "string",
					"index": "analyzed",
					"analyzer": "bigram"
				},
				"bio": {
					"type": "string",
					"index": "analyzed",
					"analyzer": "bigram"
				}
			}
		},
		"note": {
			"properties": {
				"text": {
					"type": "string",
					"index": "analyzed",
					"analyzer": "bigram"
				}
			}
		}
	}
}