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{ NamingStrategyInterface } from \"./NamingStrategyInterface\"\nimport { RandomGenerator } from \"../util/RandomGenerator\"\nimport { camelCase, snakeCase, titleCase } from \"../util/StringUtils\"\nimport { Table } from \"../schema-builder/table/Table\"\n\n/**\n * Naming strategy that is used by default.\n */\nexport class DefaultNamingStrategy implements NamingStrategyInterface {\n    protected getTableName(tableOrName: Table | string): string {\n        if (typeof tableOrName !== \"string\") {\n            tableOrName = tableOrName.name\n        }\n\n        return tableOrName.split(\".\").pop()!\n    }\n    /**\n     * Normalizes table name.\n     *\n     * @param targetName Name of the target entity that can be used to generate a table name.\n     * @param userSpecifiedName For example if user specified a table name in a decorator, e.g. @Entity(\"name\")\n     */\n    tableName(\n        targetName: string,\n        userSpecifiedName: string | undefined,\n    ): string {\n        return userSpecifiedName ? userSpecifiedName : snakeCase(targetName)\n    }\n\n    /**\n     * Creates a table name for a junction table of a closure table.\n     *\n     * @param originalClosureTableName Name of the closure table which owns this junction table.\n     */\n    closureJunctionTableName(originalClosureTableName: string): string {\n        return originalClosureTableName + \"_closure\"\n    }\n\n    columnName(\n        propertyName: string,\n        customName: string,\n        embeddedPrefixes: string[],\n    ): string {\n        const name = customName || propertyName\n\n        if (embeddedPrefixes.length)\n            return camelCase(embeddedPrefixes.join(\"_\")) + titleCase(name)\n\n        return name\n    }\n\n    relationName(propertyName: string): string {\n        return propertyName\n    }\n\n    primaryKeyName(tableOrName: Table | string, columnNames: string[]): string {\n        // sort incoming column names to avoid issue when [\"id\", \"name\"] and [\"name\", \"id\"] arrays\n        const clonedColumnNames = [...columnNames]\n        clonedColumnNames.sort()\n        const tableName = this.getTableName(tableOrName)\n        const replacedTableName = tableName.replace(\".\", \"_\")\n        const key = `${replacedTableName}_${clonedColumnNames.join(\"_\")}`\n        return \"PK_\" + RandomGenerator.sha1(key).substr(0, 27)\n    }\n\n    uniqueConstraintName(\n        tableOrName: Table | string,\n        columnNames: string[],\n    ): string {\n        // sort incoming column names to avoid issue when [\"id\", \"name\"] and [\"name\", \"id\"] arrays\n        const clonedColumnNames = [...columnNames]\n        clonedColumnNames.sort()\n        const tableName = this.getTableName(tableOrName)\n        const replacedTableName = tableName.replace(\".\", \"_\")\n        const key = `${replacedTableName}_${clonedColumnNames.join(\"_\")}`\n        return \"UQ_\" + RandomGenerator.sha1(key).substr(0, 27)\n    }\n\n    relationConstraintName(\n        tableOrName: Table | string,\n        columnNames: string[],\n        where?: string,\n    ): string {\n        // sort incoming column names to avoid issue when [\"id\", \"name\"] and [\"name\", \"id\"] arrays\n        const clonedColumnNames = [...columnNames]\n        clonedColumnNames.sort()\n        const tableName = this.getTableName(tableOrName)\n        const replacedTableName = tableName.replace(\".\", \"_\")\n        let key = `${replacedTableName}_${clonedColumnNames.join(\"_\")}`\n        if (where) key += `_${where}`\n\n        return \"REL_\" + RandomGenerator.sha1(key).substr(0, 26)\n    }\n\n    defaultConstraintName(\n        tableOrName: Table | string,\n        columnName: string,\n    ): string {\n        const tableName = this.getTableName(tableOrName)\n        const replacedTableName = tableName.replace(\".\", \"_\")\n        const key = `${replacedTableName}_${columnName}`\n        return \"DF_\" + RandomGenerator.sha1(key).substr(0, 27)\n    }\n\n    foreignKeyName(\n        tableOrName: Table | string,\n        columnNames: string[],\n        _referencedTablePath?: string,\n        _referencedColumnNames?: string[],\n    ): string {\n        // sort incoming column names to avoid issue when [\"id\", \"name\"] and [\"name\", \"id\"] arrays\n        const clonedColumnNames = [...columnNames]\n        clonedColumnNames.sort()\n        const tableName = this.getTableName(tableOrName)\n        const replacedTableName = tableName.replace(\".\", \"_\")\n        const key = `${replacedTableName}_${clonedColumnNames.join(\"_\")}`\n        return \"FK_\" + RandomGenerator.sha1(key).substr(0, 27)\n    }\n\n    indexName(\n        tableOrName: Table | string,\n        columnNames: string[],\n        where?: string,\n    ): string {\n        // sort incoming column names to avoid issue when [\"id\", \"name\"] and [\"name\", \"id\"] arrays\n        const clonedColumnNames = [...columnNames]\n        clonedColumnNames.sort()\n        const tableName = this.getTableName(tableOrName)\n        const replacedTableName = tableName.replace(\".\", \"_\")\n        let key = `${replacedTableName}_${clonedColumnNames.join(\"_\")}`\n        if (where) key += `_${where}`\n\n        return \"IDX_\" + RandomGenerator.sha1(key).substr(0, 26)\n    }\n\n    checkConstraintName(\n        tableOrName: Table | string,\n        expression: string,\n        isEnum?: boolean,\n    ): string {\n        const tableName = this.getTableName(tableOrName)\n        const replacedTableName = tableName.replace(\".\", \"_\")\n        const key = `${replacedTableName}_${expression}`\n        const name = \"CHK_\" + RandomGenerator.sha1(key).substr(0, 26)\n        return isEnum ? `${name}_ENUM` : name\n    }\n\n    exclusionConstraintName(\n        tableOrName: Table | string,\n        expression: string,\n    ): string {\n        const tableName = this.getTableName(tableOrName)\n        const replacedTableName = tableName.replace(\".\", \"_\")\n        const key = `${replacedTableName}_${expression}`\n        return \"XCL_\" + RandomGenerator.sha1(key).substr(0, 26)\n    }\n\n    joinColumnName(relationName: string, referencedColumnName: string): string {\n        return camelCase(relationName + \"_\" + referencedColumnName)\n    }\n\n    joinTableName(\n        firstTableName: string,\n        secondTableName: string,\n        firstPropertyName: string,\n        secondPropertyName: string,\n    ): string {\n        return snakeCase(\n            firstTableName +\n                \"_\" +\n                firstPropertyName.replace(/\\./gi, \"_\") +\n                \"_\" +\n                secondTableName,\n        )\n    }\n\n    joinTableColumnDuplicationPrefix(\n        columnName: string,\n        index: number,\n    ): string {\n        return columnName + \"_\" + index\n    }\n\n    joinTableColumnName(\n        tableName: string,\n        propertyName: string,\n        columnName?: string,\n    ): string {\n        return camelCase(\n            tableName + \"_\" + (columnName ? columnName : propertyName),\n        )\n    }\n\n    joinTableInverseColumnName(\n        tableName: string,\n        propertyName: string,\n        columnName?: string,\n    ): string {\n        return this.joinTableColumnName(tableName, propertyName, columnName)\n    }\n\n    /**\n     * Adds globally set prefix to the table name.\n     * This method is executed no matter if prefix was set or not.\n     * Table name is either user's given table name, either name generated from entity target.\n     * Note that table name comes here already normalized by #tableName method.\n     */\n    prefixTableName(prefix: string, tableName: string): string {\n        return prefix + tableName\n    }\n\n    nestedSetColumnNames = { left: \"nsleft\", right: \"nsright\" }\n    materializedPathColumnName = \"mpath\"\n}\n"],"sourceRoot":".."}