@huggingface/transformers/src/models/distilbert/modeling_distilbert.js

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import { PreTrainedModel } from '../modeling_utils.js';
import {
    MaskedLMOutput,
    QuestionAnsweringModelOutput,
    SequenceClassifierOutput,
    TokenClassifierOutput,
} from '../modeling_outputs.js';

export class DistilBertPreTrainedModel extends PreTrainedModel {}
export class DistilBertModel extends DistilBertPreTrainedModel {}

/**
 * DistilBertForSequenceClassification is a class representing a DistilBERT model for sequence classification.
 */
export class DistilBertForSequenceClassification extends DistilBertPreTrainedModel {
    /**
     * Calls the model on new inputs.
     *
     * @param {Object} model_inputs The inputs to the model.
     * @returns {Promise<SequenceClassifierOutput>} An object containing the model's output logits for sequence classification.
     */
    async _call(model_inputs) {
        return new SequenceClassifierOutput(await super._call(model_inputs));
    }
}

/**
 * DistilBertForTokenClassification is a class representing a DistilBERT model for token classification.
 */
export class DistilBertForTokenClassification extends DistilBertPreTrainedModel {
    /**
     * Calls the model on new inputs.
     *
     * @param {Object} model_inputs The inputs to the model.
     * @returns {Promise<TokenClassifierOutput>} An object containing the model's output logits for token classification.
     */
    async _call(model_inputs) {
        return new TokenClassifierOutput(await super._call(model_inputs));
    }
}

/**
 * DistilBertForQuestionAnswering is a class representing a DistilBERT model for question answering.
 */
export class DistilBertForQuestionAnswering extends DistilBertPreTrainedModel {
    /**
     * Calls the model on new inputs.
     *
     * @param {Object} model_inputs The inputs to the model.
     * @returns {Promise<QuestionAnsweringModelOutput>} An object containing the model's output logits for question answering.
     */
    async _call(model_inputs) {
        return new QuestionAnsweringModelOutput(await super._call(model_inputs));
    }
}

/**
 * DistilBertForMaskedLM is a class representing a DistilBERT model for masking task.
 */
export class DistilBertForMaskedLM extends DistilBertPreTrainedModel {
    /**
     * Calls the model on new inputs.
     *
     * @param {Object} model_inputs The inputs to the model.
     * @returns {Promise<MaskedLMOutput>} returned object
     */
    async _call(model_inputs) {
        return new MaskedLMOutput(await super._call(model_inputs));
    }
}