Initial commit - Event Planner application

node_modules/kysely/dist/cjs/dialect/sqlite/sqlite-introspector.js

@@ -0,0 +1,94 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SqliteIntrospector = void 0;
+const migrator_js_1 = require("../../migration/migrator.js");
+const sql_js_1 = require("../../raw-builder/sql.js");
+class SqliteIntrospector {
+    #db;
+    constructor(db) {
+        this.#db = db;
+    }
+    async getSchemas() {
+        // Sqlite doesn't support schemas.
+        return [];
+    }
+    async getTables(options = { withInternalKyselyTables: false }) {
+        return await this.#getTableMetadata(options);
+    }
+    async getMetadata(options) {
+        return {
+            tables: await this.getTables(options),
+        };
+    }
+    #tablesQuery(qb, options) {
+        let tablesQuery = qb
+            .selectFrom('sqlite_master')
+            .where('type', 'in', ['table', 'view'])
+            .where('name', 'not like', 'sqlite_%')
+            .select(['name', 'sql', 'type'])
+            .orderBy('name');
+        if (!options.withInternalKyselyTables) {
+            tablesQuery = tablesQuery
+                .where('name', '!=', migrator_js_1.DEFAULT_MIGRATION_TABLE)
+                .where('name', '!=', migrator_js_1.DEFAULT_MIGRATION_LOCK_TABLE);
+        }
+        return tablesQuery;
+    }
+    async #getTableMetadata(options) {
+        const tablesResult = await this.#tablesQuery(this.#db, options).execute();
+        const tableMetadata = await this.#db
+            .with('table_list', (qb) => this.#tablesQuery(qb, options))
+            .selectFrom([
+            'table_list as tl',
+            (0, sql_js_1.sql) `pragma_table_info(tl.name)`.as('p'),
+        ])
+            .select([
+            'tl.name as table',
+            'p.cid',
+            'p.name',
+            'p.type',
+            'p.notnull',
+            'p.dflt_value',
+            'p.pk',
+        ])
+            .orderBy('tl.name')
+            .orderBy('p.cid')
+            .execute();
+        const columnsByTable = {};
+        for (const row of tableMetadata) {
+            columnsByTable[row.table] ??= [];
+            columnsByTable[row.table].push(row);
+        }
+        return tablesResult.map(({ name, sql, type }) => {
+            // // Try to find the name of the column that has `autoincrement` 🤦
+            let autoIncrementCol = sql
+                ?.split(/[\(\),]/)
+                ?.find((it) => it.toLowerCase().includes('autoincrement'))
+                ?.trimStart()
+                ?.split(/\s+/)?.[0]
+                ?.replace(/["`]/g, '');
+            const columns = columnsByTable[name] ?? [];
+            // Otherwise, check for an INTEGER PRIMARY KEY
+            // https://www.sqlite.org/autoinc.html
+            if (!autoIncrementCol) {
+                const pkCols = columns.filter((r) => r.pk > 0);
+                if (pkCols.length === 1 && pkCols[0].type.toLowerCase() === 'integer') {
+                    autoIncrementCol = pkCols[0].name;
+                }
+            }
+            return {
+                name: name,
+                isView: type === 'view',
+                columns: columns.map((col) => ({
+                    name: col.name,
+                    dataType: col.type,
+                    isNullable: !col.notnull,
+                    isAutoIncrementing: col.name === autoIncrementCol,
+                    hasDefaultValue: col.dflt_value != null,
+                    comment: undefined,
+                })),
+            };
+        });
+    }
+}
+exports.SqliteIntrospector = SqliteIntrospector;