import * as tslib_1 from "tslib";
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import { RandomGenerator } from "../util/RandomGenerator";
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import { camelCase, snakeCase, titleCase } from "../util/StringUtils";
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import { Table } from "../schema-builder/table/Table";
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/**
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* Naming strategy that is used by default.
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*/
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var DefaultNamingStrategy = /** @class */ (function () {
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function DefaultNamingStrategy() {
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}
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/**
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* Normalizes table name.
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*
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* @param targetName Name of the target entity that can be used to generate a table name.
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* @param userSpecifiedName For example if user specified a table name in a decorator, e.g. @Entity("name")
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*/
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DefaultNamingStrategy.prototype.tableName = function (targetName, userSpecifiedName) {
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return userSpecifiedName ? userSpecifiedName : snakeCase(targetName);
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};
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/**
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* Creates a table name for a junction table of a closure table.
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*
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* @param originalClosureTableName Name of the closure table which owns this junction table.
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*/
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DefaultNamingStrategy.prototype.closureJunctionTableName = function (originalClosureTableName) {
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return originalClosureTableName + "_closure";
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};
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DefaultNamingStrategy.prototype.columnName = function (propertyName, customName, embeddedPrefixes) {
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if (embeddedPrefixes.length)
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return camelCase(embeddedPrefixes.join("_")) + (customName ? titleCase(customName) : titleCase(propertyName));
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return customName ? customName : propertyName;
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};
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DefaultNamingStrategy.prototype.relationName = function (propertyName) {
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return propertyName;
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};
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DefaultNamingStrategy.prototype.primaryKeyName = function (tableOrName, columnNames) {
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// sort incoming column names to avoid issue when ["id", "name"] and ["name", "id"] arrays
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var clonedColumnNames = tslib_1.__spread(columnNames);
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clonedColumnNames.sort();
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var tableName = tableOrName instanceof Table ? tableOrName.name : tableOrName;
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var replacedTableName = tableName.replace(".", "_");
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var key = replacedTableName + "_" + clonedColumnNames.join("_");
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return "PK_" + RandomGenerator.sha1(key).substr(0, 27);
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};
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DefaultNamingStrategy.prototype.uniqueConstraintName = function (tableOrName, columnNames) {
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// sort incoming column names to avoid issue when ["id", "name"] and ["name", "id"] arrays
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var clonedColumnNames = tslib_1.__spread(columnNames);
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clonedColumnNames.sort();
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var tableName = tableOrName instanceof Table ? tableOrName.name : tableOrName;
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var replacedTableName = tableName.replace(".", "_");
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var key = replacedTableName + "_" + clonedColumnNames.join("_");
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return "UQ_" + RandomGenerator.sha1(key).substr(0, 27);
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};
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DefaultNamingStrategy.prototype.relationConstraintName = function (tableOrName, columnNames, where) {
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// sort incoming column names to avoid issue when ["id", "name"] and ["name", "id"] arrays
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var clonedColumnNames = tslib_1.__spread(columnNames);
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clonedColumnNames.sort();
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var tableName = tableOrName instanceof Table ? tableOrName.name : tableOrName;
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var replacedTableName = tableName.replace(".", "_");
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var key = replacedTableName + "_" + clonedColumnNames.join("_");
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if (where)
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key += "_" + where;
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return "REL_" + RandomGenerator.sha1(key).substr(0, 26);
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};
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DefaultNamingStrategy.prototype.defaultConstraintName = function (tableOrName, columnName) {
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var tableName = tableOrName instanceof Table ? tableOrName.name : tableOrName;
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var replacedTableName = tableName.replace(".", "_");
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var key = replacedTableName + "_" + columnName;
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return "DF_" + RandomGenerator.sha1(key).substr(0, 27);
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};
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DefaultNamingStrategy.prototype.foreignKeyName = function (tableOrName, columnNames) {
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// sort incoming column names to avoid issue when ["id", "name"] and ["name", "id"] arrays
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var clonedColumnNames = tslib_1.__spread(columnNames);
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clonedColumnNames.sort();
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var tableName = tableOrName instanceof Table ? tableOrName.name : tableOrName;
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var replacedTableName = tableName.replace(".", "_");
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var key = replacedTableName + "_" + clonedColumnNames.join("_");
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return "FK_" + RandomGenerator.sha1(key).substr(0, 27);
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};
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DefaultNamingStrategy.prototype.indexName = function (tableOrName, columnNames, where) {
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// sort incoming column names to avoid issue when ["id", "name"] and ["name", "id"] arrays
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var clonedColumnNames = tslib_1.__spread(columnNames);
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clonedColumnNames.sort();
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var tableName = tableOrName instanceof Table ? tableOrName.name : tableOrName;
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var replacedTableName = tableName.replace(".", "_");
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var key = replacedTableName + "_" + clonedColumnNames.join("_");
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if (where)
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key += "_" + where;
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return "IDX_" + RandomGenerator.sha1(key).substr(0, 26);
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};
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DefaultNamingStrategy.prototype.checkConstraintName = function (tableOrName, expression) {
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var tableName = tableOrName instanceof Table ? tableOrName.name : tableOrName;
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var replacedTableName = tableName.replace(".", "_");
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var key = replacedTableName + "_" + expression;
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return "CHK_" + RandomGenerator.sha1(key).substr(0, 26);
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};
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DefaultNamingStrategy.prototype.exclusionConstraintName = function (tableOrName, expression) {
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var tableName = tableOrName instanceof Table ? tableOrName.name : tableOrName;
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var replacedTableName = tableName.replace(".", "_");
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var key = replacedTableName + "_" + expression;
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return "XCL_" + RandomGenerator.sha1(key).substr(0, 26);
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};
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DefaultNamingStrategy.prototype.joinColumnName = function (relationName, referencedColumnName) {
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return camelCase(relationName + "_" + referencedColumnName);
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};
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DefaultNamingStrategy.prototype.joinTableName = function (firstTableName, secondTableName, firstPropertyName, secondPropertyName) {
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return snakeCase(firstTableName + "_" + firstPropertyName.replace(/\./gi, "_") + "_" + secondTableName);
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};
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DefaultNamingStrategy.prototype.joinTableColumnDuplicationPrefix = function (columnName, index) {
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return columnName + "_" + index;
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};
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DefaultNamingStrategy.prototype.joinTableColumnName = function (tableName, propertyName, columnName) {
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return camelCase(tableName + "_" + (columnName ? columnName : propertyName));
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};
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DefaultNamingStrategy.prototype.joinTableInverseColumnName = function (tableName, propertyName, columnName) {
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return this.joinTableColumnName(tableName, propertyName, columnName);
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};
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/**
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* Adds globally set prefix to the table name.
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* This method is executed no matter if prefix was set or not.
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* Table name is either user's given table name, either name generated from entity target.
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* Note that table name comes here already normalized by #tableName method.
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*/
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DefaultNamingStrategy.prototype.prefixTableName = function (prefix, tableName) {
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return prefix + tableName;
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};
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return DefaultNamingStrategy;
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}());
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export { DefaultNamingStrategy };
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//# sourceMappingURL=DefaultNamingStrategy.js.map
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