sql-formatter/dist/esm/languages/sqlite/sqlite.formatter.js

Format whitespace in a SQL query to make it more readable

import { expandPhrases } from '../../expandPhrases.js';
import { functions } from './sqlite.functions.js';
import { dataTypes, keywords } from './sqlite.keywords.js';
const reservedSelect = expandPhrases(['SELECT [ALL | DISTINCT]']);
const reservedClauses = expandPhrases([
    // queries
    'WITH [RECURSIVE]',
    'FROM',
    'WHERE',
    'GROUP BY',
    'HAVING',
    'WINDOW',
    'PARTITION BY',
    'ORDER BY',
    'LIMIT',
    'OFFSET',
    // Data manipulation
    // - insert:
    'INSERT [OR ABORT | OR FAIL | OR IGNORE | OR REPLACE | OR ROLLBACK] INTO',
    'REPLACE INTO',
    'VALUES',
    // - update:
    'SET',
]);
const standardOnelineClauses = expandPhrases(['CREATE [TEMPORARY | TEMP] TABLE [IF NOT EXISTS]']);
const tabularOnelineClauses = expandPhrases([
    // - create:
    'CREATE [TEMPORARY | TEMP] VIEW [IF NOT EXISTS]',
    // - update:
    'UPDATE [OR ABORT | OR FAIL | OR IGNORE | OR REPLACE | OR ROLLBACK]',
    // - insert:
    'ON CONFLICT',
    // - delete:
    'DELETE FROM',
    // - drop table:
    'DROP TABLE [IF EXISTS]',
    // - alter table:
    'ALTER TABLE',
    'ADD [COLUMN]',
    'DROP [COLUMN]',
    'RENAME [COLUMN]',
    'RENAME TO',
    // - set schema
    'SET SCHEMA',
]);
const reservedSetOperations = expandPhrases(['UNION [ALL]', 'EXCEPT', 'INTERSECT']);
// joins - https://www.sqlite.org/syntax/join-operator.html
const reservedJoins = expandPhrases([
    'JOIN',
    '{LEFT | RIGHT | FULL} [OUTER] JOIN',
    '{INNER | CROSS} JOIN',
    'NATURAL [INNER] JOIN',
    'NATURAL {LEFT | RIGHT | FULL} [OUTER] JOIN',
]);
const reservedPhrases = expandPhrases([
    'ON {UPDATE | DELETE} [SET NULL | SET DEFAULT]',
    '{ROWS | RANGE | GROUPS} BETWEEN',
    'DO UPDATE',
]);
export const sqlite = {
    name: 'sqlite',
    tokenizerOptions: {
        reservedSelect,
        reservedClauses: [...reservedClauses, ...standardOnelineClauses, ...tabularOnelineClauses],
        reservedSetOperations,
        reservedJoins,
        reservedPhrases,
        reservedKeywords: keywords,
        reservedDataTypes: dataTypes,
        reservedFunctionNames: functions,
        stringTypes: [
            "''-qq",
            { quote: "''-raw", prefixes: ['X'], requirePrefix: true },
            // Depending on context SQLite also supports double-quotes for strings,
            // and single-quotes for identifiers.
        ],
        identTypes: [`""-qq`, '``', '[]'],
        // https://www.sqlite.org/lang_expr.html#parameters
        paramTypes: { positional: true, numbered: ['?'], named: [':', '@', '$'] },
        operators: ['%', '~', '&', '|', '<<', '>>', '==', '->', '->>', '||'],
    },
    formatOptions: {
        onelineClauses: [...standardOnelineClauses, ...tabularOnelineClauses],
        tabularOnelineClauses,
    },
};
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