@chimanos/sequelize-replace-enum-postgres/dist/index.js

This package provides the methods needed to replace a PostgreSQL ENUM in Sequelize migrations.

"use strict";
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var __exportStar = (this && this.__exportStar) || function(m, exports) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.replaceEnum = void 0;
const helpers = __importStar(require("./helpers"));
/**
 * Since PostgreSQL still does not support remove values from an ENUM,
 * the workaround is to create a new ENUM with the new values and use it
 * to replace the other.
 */
const replaceEnum = (queryInterface) => async (args) => {
    const { sequelize } = queryInterface;
    const { tableName, columnName, newValues, defaultValue = null } = args;
    const enumName = args.enumName ?? `enum_${tableName}_${columnName}`;
    const transactionOptions = args.transactionOptions ?? {};
    const _queryOptions = args.queryOptions ?? {};
    const newEnumName = `${enumName}_new`;
    await sequelize.transaction(transactionOptions, async (t) => {
        const queryOptions = {
            ..._queryOptions,
            transaction: t,
        };
        await helpers.createEnum(queryInterface)({
            name: newEnumName,
            values: newValues,
            queryOptions: queryOptions,
        });
        if (defaultValue != null) {
            await helpers.unsetDefaultValueFromEnum(queryInterface)({
                tableName,
                columnName,
                queryOptions: queryOptions,
            });
        }
        await helpers.setColumnTypeToEnum(queryInterface)({
            tableName,
            columnName,
            enumName: newEnumName,
            queryOptions: queryOptions,
        });
        await helpers.dropEnum(queryInterface)({
            name: enumName,
            queryOptions: queryOptions,
        });
        await helpers.renameEnum(queryInterface)({
            oldEnumName: newEnumName,
            newEnumName: enumName,
            queryOptions: queryOptions,
        });
        if (defaultValue != null) {
            await helpers.setColumnDefault(queryInterface)({
                tableName,
                columnName,
                defaultValue,
                defaultValueType: enumName,
                queryOptions: queryOptions,
            });
        }
    });
};
exports.replaceEnum = replaceEnum;
__exportStar(require("./helpers"), exports);
exports.default = exports.replaceEnum;
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