sql-ddl-to-json-schema/lib/mysql/formatter/json-schema/models/column.js

Parse and convert SQL DDL statements to a JSON Schema.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Column = void 0;
const utils_1 = require("../../../../shared/utils");
const datatype_1 = require("./datatype");
/**
 * Table column.
 */
class Column {
    name;
    datatype;
    isNullable;
    isPrimaryKey;
    comment;
    default;
    /**
     * Create Column instance from compact JSON format.
     *
     * @param json Column in compact JSON format.
     */
    static fromCompactJson(json) {
        const column = new Column();
        column.datatype = datatype_1.Datatype.fromCompactJson(json.type);
        column.name = json.name;
        const options = json.options;
        if (options) {
            if (options.unsigned) {
                column.datatype.isUnsigned = options.unsigned;
            }
            if (options.default === null || ((0, utils_1.isString)(options.default) && options.default.length)) {
                column.default = options.default;
            }
            if ((0, utils_1.isString)(options.comment) && options.comment.length) {
                column.comment = options.comment;
            }
            column.isNullable = options.nullable;
        }
        return column;
    }
    /**
     * JSON casting of this object calls this method.
     */
    toJSON() {
        const json = {};
        const type = this.datatype.toJSON();
        /**
         * Special treatment for primary keys.
         */
        if (this.isPrimaryKey === true) {
            json.$comment = 'primary key';
            if (type.type === 'integer' || type.type === 'number') {
                type.minimum = 1;
            }
        }
        if ((0, utils_1.isDefined)(this.comment)) {
            json.description = this.comment;
        }
        Object.getOwnPropertyNames(type).forEach((key) => {
            const value = type[key];
            const number = (0, utils_1.isNumber)(value);
            if ((number && Number.isFinite(value)) || !number) {
                (0, utils_1.setProperty)(json, key, value);
            }
        });
        if (typeof this.default !== 'undefined') {
            json.default = this.default;
        }
        if (this.datatype.datatype === 'uuid') {
            delete json.default;
        }
        return json;
    }
}
exports.Column = Column;