Upgrading biome

__tests__/expr.test.ts

@@ -256,7 +256,7 @@ describe("expr", () => {
     ${2}        | ${2}
   `("$# fillNan", ({ replacement, filled }) => {
     const df = pl.DataFrame({
-      a: [1, NaN, 2],
+      a: [1, Number.NaN, 2],
       b: [2, 1, 1],
     });
     const expected = pl.DataFrame({ fillNan: [1, filled, 2] });
@@ -412,13 +412,13 @@ describe("expr", () => {
     expect(actual).toFrameEqual(expected);
   });
   test("isNan", () => {
-    const df = pl.DataFrame({ a: [1, NaN, 2] });
+    const df = pl.DataFrame({ a: [1, Number.NaN, 2] });
     const expected = pl.DataFrame({ isNan: [false, true, false] });
     const actual = df.select(col("a").isNan().as("isNan"));
     expect(actual).toFrameEqual(expected);
   });
   test("isNotNan", () => {
-    const df = pl.DataFrame({ a: [1, NaN, 2] });
+    const df = pl.DataFrame({ a: [1, Number.NaN, 2] });
     const expected = pl.DataFrame({ isNotNan: [true, false, true] });
     const actual = df.select(col("a").isNotNan().as("isNotNan"));
     expect(actual).toFrameEqual(expected);
@@ -1831,18 +1831,19 @@ describe("rolling", () => {
     const expected = pl
       .Series(
         "rolling",
-        [null, 0.707107, 0.707107, 0.707107, 0.707107],
+        [null, Math.SQRT1_2, Math.SQRT1_2, Math.SQRT1_2, Math.SQRT1_2],
         pl.Float64,
       )
+      .round(10)
       .toFrame();
-    expect(df.select(col("rolling").rollingStd(2).round(6))).toFrameEqual(
+    expect(df.select(col("rolling").rollingStd(2).round(10))).toFrameEqual(
       expected,
     );
     expect(
       df.select(
         col("rolling")
           .rollingStd({ windowSize: 2, center: true, ddof: 4 })
-          .round(6),
+          .round(10),
       ),
     ).toFrameEqual(expected);
   });

__tests__/series.test.ts

@@ -73,7 +73,7 @@ describe("typedArrays", () => {
     const int64Array = new BigInt64Array([1n, 2n, 3n]);
     const actual = pl.Series(int64Array).toArray();
 
-    const expected = Array.from(int64Array).map((v: any) => parseInt(v));
+    const expected = Array.from(int64Array).map((v: any) => Number.parseInt(v));
 
     expect(actual).toEqual(expected);
   });

biome.json

@@ -8,13 +8,14 @@
     "rules": {
       "recommended": true,
       "style": {
-        "noParameterAssign": "off"
+        "noParameterAssign": "off",
+        "useNodejsImportProtocol": "off"
       },
       "suspicious": {
         "noExplicitAny": "off",
         "noUnsafeDeclarationMerging": "off",
-        "noImplicitAnyLet": "off"
-
+        "noImplicitAnyLet": "off",
+        "noThenProperty": "off"
       },
       "complexity": {
         "useLiteralKeys": "off"

package.json

@@ -54,17 +54,17 @@
     "precommit": "yarn lint && yarn test"
   },
   "devDependencies": {
-    "@biomejs/biome": "^1.5.3",
+    "@biomejs/biome": "^1.6.1",
     "@napi-rs/cli": "^2.18.0",
     "@types/chance": "^1.1.6",
     "@types/jest": "^29.5.12",
-    "@types/node": "^20.11.17",
+    "@types/node": "^20.11.26",
     "chance": "^1.1.11",
     "jest": "^29.7.0",
     "source-map-support": "^0.5.21",
     "ts-jest": "^29.1.2",
     "ts-node": "^10.9.2",
-    "typedoc": "^0.25.11",
+    "typedoc": "^0.25.12",
     "typescript": "5.4.2"
   },
   "packageManager": "yarn@4.0.2",

polars/dataframe.ts

@@ -1,12 +1,17 @@
 import pli from "./internals/polars_internal";
 import { arrayToJsDataFrame } from "./internals/construction";
-import { _GroupBy, DynamicGroupBy, GroupBy, RollingGroupBy } from "./groupby";
-import { _LazyDataFrame, LazyDataFrame } from "./lazy/dataframe";
+import {
+  _GroupBy,
+  DynamicGroupBy,
+  type GroupBy,
+  RollingGroupBy,
+} from "./groupby";
+import { _LazyDataFrame, type LazyDataFrame } from "./lazy/dataframe";
 import { concat } from "./functions";
 import { Expr } from "./lazy/expr";
 import { _Series, Series } from "./series";
 import { Stream, Writable } from "stream";
-import {
+import type {
   FillNullStrategy,
   JoinOptions,
   WriteAvroOptions,
@@ -20,14 +25,14 @@ import { DataType } from "./datatypes";
 import {
   columnOrColumns,
   columnOrColumnsStrict,
-  ColumnSelection,
-  ColumnsOrExpr,
-  ExprOrString,
+  type ColumnSelection,
+  type ColumnsOrExpr,
+  type ExprOrString,
   isSeriesArray,
-  ValueOrArray,
+  type ValueOrArray,
 } from "./utils";
 
-import {
+import type {
   Arithmetic,
   Deserialize,
   GroupByOps,
@@ -1899,7 +1904,7 @@ export const _DataFrame = (_df: any): DataFrame => {
     [jupyterDisplay]() {
       let rows = 50;
       if (process.env.POLARS_FMT_MAX_ROWS) {
-        rows = parseInt(process.env.POLARS_FMT_MAX_ROWS);
+        rows = Number.parseInt(process.env.POLARS_FMT_MAX_ROWS);
       }
 
       const limited = this.limit(rows);

polars/datatypes/field.ts

@@ -1,4 +1,4 @@
-import { DataType } from "./datatype";
+import type { DataType } from "./datatype";
 
 /**
  * A field is a name and a datatype.

polars/functions.ts

@@ -1,10 +1,10 @@
 /* eslint-disable no-redeclare */
 import { jsTypeToPolarsType } from "./internals/construction";
-import { Series, _Series } from "./series";
-import { DataFrame, _DataFrame } from "./dataframe";
+import { type Series, _Series } from "./series";
+import { type DataFrame, _DataFrame } from "./dataframe";
 import pli from "./internals/polars_internal";
 import { isDataFrameArray, isSeriesArray } from "./utils";
-import { ConcatOptions } from "./types";
+import type { ConcatOptions } from "./types";
 
 /**
  * _Repeat a single value n times and collect into a Series._

polars/groupby.ts

@@ -1,9 +1,9 @@
-import { DataFrame, _DataFrame } from "./dataframe";
+import { type DataFrame, _DataFrame } from "./dataframe";
 import * as utils from "./utils";
 import util from "util";
-import { Expr } from "./lazy/expr";
+import type { Expr } from "./lazy/expr";
 import { col, exclude } from "./lazy/functions";
-import { ColumnsOrExpr, StartBy } from "./utils";
+import type { ColumnsOrExpr, StartBy } from "./utils";
 
 const inspect = Symbol.for("nodejs.util.inspect.custom");
 const inspectOpts = { colors: true, depth: null };

polars/io.ts

@@ -1,9 +1,9 @@
-import { DataType } from "./datatypes";
+import type { DataType } from "./datatypes";
 import pli from "./internals/polars_internal";
-import { DataFrame, _DataFrame } from "./dataframe";
+import { type DataFrame, _DataFrame } from "./dataframe";
 import { isPath } from "./utils";
-import { LazyDataFrame, _LazyDataFrame } from "./lazy/dataframe";
-import { Readable, Stream } from "stream";
+import { type LazyDataFrame, _LazyDataFrame } from "./lazy/dataframe";
+import { type Readable, Stream } from "stream";
 import { concat } from "./functions";
 
 export interface ReadCsvOptions {

polars/lazy/dataframe.ts

@@ -1,23 +1,23 @@
-import { DataFrame, _DataFrame } from "../dataframe";
+import { type DataFrame, _DataFrame } from "../dataframe";
 import { Expr, exprToLitOrExpr } from "./expr";
 import pli from "../internals/polars_internal";
 import {
   columnOrColumnsStrict,
-  ColumnSelection,
-  ColumnsOrExpr,
-  ExprOrString,
+  type ColumnSelection,
+  type ColumnsOrExpr,
+  type ExprOrString,
   selectionToExprList,
-  ValueOrArray,
+  type ValueOrArray,
 } from "../utils";
-import { _LazyGroupBy, LazyGroupBy } from "./groupby";
-import { Deserialize, GroupByOps, Serialize } from "../shared_traits";
-import {
+import { _LazyGroupBy, type LazyGroupBy } from "./groupby";
+import type { Deserialize, GroupByOps, Serialize } from "../shared_traits";
+import type {
   LazyOptions,
   LazyJoinOptions,
   SinkCsvOptions,
   SinkParquetOptions,
 } from "../types";
-import { Series } from "../series";
+import type { Series } from "../series";
 
 const inspect = Symbol.for("nodejs.util.inspect.custom");
 

polars/lazy/expr/datetime.ts

@@ -1,5 +1,5 @@
-import { DateFunctions } from "../../shared_traits";
-import { Expr, _Expr } from "../expr";
+import type { DateFunctions } from "../../shared_traits";
+import { type Expr, _Expr } from "../expr";
 
 /**
  * DateTime functions

polars/lazy/expr/index.ts

@@ -7,16 +7,16 @@ export type { ExprList as ListNamespace } from "./list";
 export type { ExprDateTime as DatetimeNamespace } from "./datetime";
 export type { ExprStruct as StructNamespace } from "./struct";
 
-import { DataType } from "../../datatypes";
+import type { DataType } from "../../datatypes";
 import pli from "../../internals/polars_internal";
 import {
-  ExprOrString,
+  type ExprOrString,
   selectionToExprList,
   INSPECT_SYMBOL,
   regexToString,
 } from "../../utils";
 import { Series } from "../../series";
-import {
+import type {
   Arithmetic,
   Comparison,
   Cumulative,
@@ -27,7 +27,11 @@ import {
   Serialize,
   EwmOps,
 } from "../../shared_traits";
-import { InterpolationMethod, FillNullStrategy, RankMethod } from "../../types";
+import type {
+  InterpolationMethod,
+  FillNullStrategy,
+  RankMethod,
+} from "../../types";
 import { isRegExp } from "util/types";
 /**
  * Expressions that can be used in various contexts.

polars/lazy/expr/list.ts

@@ -1,5 +1,5 @@
 import { Expr, _Expr, exprToLitOrExpr } from "../expr";
-import { ListFunctions } from "../../shared_traits";
+import type { ListFunctions } from "../../shared_traits";
 import { Series } from "../../series";
 import pli from "../../internals/polars_internal";
 import { concatList } from "../functions";

polars/lazy/expr/string.ts

@@ -1,4 +1,4 @@
-import { StringFunctions } from "../../shared_traits";
+import type { StringFunctions } from "../../shared_traits";
 import { DataType } from "../../datatypes";
 import { regexToString } from "../../utils";
 import { Expr, _Expr, exprToLitOrExpr } from "../expr";

polars/lazy/expr/struct.ts

@@ -1,4 +1,4 @@
-import { _Expr, Expr } from "../expr";
+import { _Expr, type Expr } from "../expr";
 
 /**
  * Struct functions

polars/lazy/functions.ts

@@ -2,7 +2,7 @@ import { Expr, _Expr, exprToLitOrExpr } from "./expr";
 import { DataType } from "../datatypes";
 import { Series } from "../series";
 import { DataFrame } from "../dataframe";
-import { ExprOrString, range, selectionToExprList } from "../utils";
+import { type ExprOrString, range, selectionToExprList } from "../utils";
 import pli from "../internals/polars_internal";
 
 /**

polars/lazy/groupby.ts

@@ -1,6 +1,6 @@
-import { Expr } from "./expr";
+import type { Expr } from "./expr";
 import { selectionToExprList } from "../utils";
-import { _LazyDataFrame, LazyDataFrame } from "./dataframe";
+import { _LazyDataFrame, type LazyDataFrame } from "./dataframe";
 
 /** @ignore */
 export const _LazyGroupBy = (_lgb: any): LazyGroupBy => {

polars/series/datetime.ts

@@ -1,5 +1,5 @@
-import { Series, _Series } from ".";
-import { DateFunctions } from "../shared_traits";
+import { type Series, _Series } from ".";
+import type { DateFunctions } from "../shared_traits";
 
 export type SeriesDateFunctions = DateFunctions<Series>;
 

polars/series/index.ts

@@ -1,13 +1,13 @@
 import pli from "../internals/polars_internal";
 import { arrayToJsSeries } from "../internals/construction";
-import { DataType, DTYPE_TO_FFINAME, Optional } from "../datatypes";
+import { DataType, DTYPE_TO_FFINAME, type Optional } from "../datatypes";
 import { DataFrame, _DataFrame } from "../dataframe";
-import { SeriesStringFunctions, StringNamespace } from "./string";
-import { ListNamespace, SeriesListFunctions } from "./list";
+import { SeriesStringFunctions, type StringNamespace } from "./string";
+import { type ListNamespace, SeriesListFunctions } from "./list";
 import { SeriesDateFunctions } from "./datetime";
 import { SeriesStructFunctions } from "./struct";
 import { InvalidOperationError } from "../error";
-import {
+import type {
   Arithmetic,
   Comparison,
   Cumulative,
@@ -19,7 +19,7 @@ import {
   EwmOps,
 } from "../shared_traits";
 import { col } from "../lazy/functions";
-import { InterpolationMethod, RankMethod } from "../types";
+import type { InterpolationMethod, RankMethod } from "../types";
 
 const inspect = Symbol.for("nodejs.util.inspect.custom");
 /**

polars/series/list.ts

@@ -1,7 +1,7 @@
-import { Series, _Series } from ".";
+import { type Series, _Series } from ".";
 import { exprToLitOrExpr } from "..";
 import { col } from "../lazy/functions";
-import { ListFunctions } from "../shared_traits";
+import type { ListFunctions } from "../shared_traits";
 
 export type ListNamespace = ListFunctions<Series>;
 

polars/series/string.ts

@@ -1,9 +1,9 @@
-import { Expr } from "./../lazy/expr/index";
-import { DataType } from "../datatypes";
-import { _Series, Series } from ".";
+import type { Expr } from "./../lazy/expr/index";
+import type { DataType } from "../datatypes";
+import { _Series, type Series } from ".";
 import { regexToString } from "../utils";
 import { col } from "../lazy/functions";
-import { StringFunctions } from "../shared_traits";
+import type { StringFunctions } from "../shared_traits";
 
 /**
  * namespace containing series string functions

polars/series/struct.ts

@@ -1,6 +1,6 @@
 import pli from "../internals/polars_internal";
 import { _DataFrame, DataFrame } from "../dataframe";
-import { _Series, Series } from ".";
+import { _Series, type Series } from ".";
 import { _Expr } from "../lazy/expr";
 
 export interface SeriesStructFunctions {

polars/shared_traits.ts

@@ -1,14 +1,14 @@
-import { ColumnsOrExpr, StartBy } from "./utils";
-import { Expr, _Expr } from "./lazy/expr";
+import type { ColumnsOrExpr, StartBy } from "./utils";
+import { type Expr, _Expr } from "./lazy/expr";
 
-import {
+import type {
   InterpolationMethod,
   RollingOptions,
   RollingQuantileOptions,
   RollingSkewOptions,
   ClosedWindow,
 } from "./types";
-import { DataType } from "./datatypes";
+import type { DataType } from "./datatypes";
 
 /**
  * Arithmetic operations