table grid display, SQL for browse table is generated on FE

packages/datalib/.gitignore

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+lib

packages/datalib/package.json

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+{
+  "version": "0.1.0",
+  "name": "@dbgate/datalib",
+  "main": "lib/index.js",
+  "typings": "lib/index.d.ts",
+  "scripts": {
+    "prepare": "yarn build",
+    "build": "tsc",
+    "start": "tsc --watch"
+  },
+  "files": [
+    "lib"
+  ],
+  "dependencies": {
+    "@dbgate/sqltree": "^0.1.0"
+  },
+  "devDependencies": {
+    "@dbgate/types": "^0.1.0",
+    "@types/node": "^13.7.0",
+    "typescript": "^3.7.5"
+  }
+}

packages/datalib/src/GridDisplay.ts

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+import {Select} from '@dbgate/sqltree'
+
+export default abstract class GridDisplay {
+    abstract getPageQuery(offse: number, count: number): string;
+}

packages/datalib/src/TableGridDisplay.ts

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+import GridDisplay from "./GridDisplay";
+import { Select } from "@dbgate/sqltree";
+import { TableInfo, EngineDriver } from "@dbgate/types";
+
+export default class TableGridDisplay extends GridDisplay {
+  constructor(public table: TableInfo, public driver: EngineDriver) {
+    super();
+  }
+
+  getPageQuery(offset: number, count: number) {
+    const select = new Select();
+    if (this.driver.dialect.limitSelect) select.topRecords = count;
+    if (this.driver.dialect.rangeSelect)
+      select.range = { offset: offset, limit: count };
+    select.from = this.table;
+    select.selectAll = true;
+    const sql = select.toSql(this.driver);
+    return sql;
+  }
+}

packages/datalib/src/index.ts

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+export { default as GridDisplay } from "./GridDisplay";
+export { default as TableGridDisplay } from "./TableGridDisplay";

packages/datalib/tsconfig.json

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+{
+    "compilerOptions": {
+      "target": "ES2015",
+      "module": "commonjs",
+      "declaration": true,
+      "skipLibCheck": true,
+      "outDir": "lib"
+    },
+    "include": [
+      "src/**/*"
+    ]
+  }