// loaders.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
/**
 * ArrowJS `Field` API-compatible class for row-based tables
 * https://loaders.gl/arrowjs/docs/api-reference/field
 * A field holds name, nullable, and metadata information about a table "column"
 * A Schema is essentially a list of fields
 */
export class ArrowLikeField {
    name;
    type;
    nullable;
    metadata;
    constructor(name, type, nullable = false, metadata = new Map()) {
        this.name = name;
        this.type = type;
        this.nullable = nullable;
        this.metadata = metadata;
    }
    get typeId() {
        return this.type && this.type.typeId;
    }
    clone() {
        return new ArrowLikeField(this.name, this.type, this.nullable, this.metadata);
    }
    compareTo(other) {
        return (this.name === other.name &&
            this.type === other.type &&
            this.nullable === other.nullable &&
            this.metadata === other.metadata);
    }
    toString() {
        return `${JSON.stringify(this.type)}${this.nullable ? ', nullable' : ''}${this.metadata ? `, metadata: ${JSON.stringify(this.metadata)}` : ''}`;
    }
}