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34 lines
1.1 KiB
TypeScript
34 lines
1.1 KiB
TypeScript
// Copyright 2023 Lance Developers.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* An embedding function that automatically creates vector representation for a given column.
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*/
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export interface EmbeddingFunction<T> {
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/**
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* The name of the column that will be used as input for the Embedding Function.
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*/
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sourceColumn: string
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/**
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* Creates a vector representation for the given values.
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*/
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embed: (data: T[]) => Promise<number[][]>
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}
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export function isEmbeddingFunction<T> (value: any): value is EmbeddingFunction<T> {
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return typeof value.sourceColumn === 'string' &&
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typeof value.embed === 'function'
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}
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