Merge pull request #31461 from BendingBender/parse-columns

[parse-columns] Add types

types/parse-columns/index.d.ts

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+// Type definitions for parse-columns 1.3
+// Project: https://github.com/sindresorhus/parse-columns
+// Definitions by: BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = parseColumns;
+
+declare function parseColumns(
+    input: string,
+    options?: parseColumns.BaseOptions
+): Array<{ [key: string]: string }>;
+declare function parseColumns<T>(
+    input: string,
+    options: parseColumns.Options<T>
+): Array<{ [key: string]: T }>;
+
+declare namespace parseColumns {
+    interface BaseOptions {
+        separator?: string;
+        headers?: ReadonlyArray<string>;
+    }
+
+    interface Options<T> extends BaseOptions {
+        transform: (element: string, header: string, columnIndex: number, rowIndex: number) => T;
+    }
+}

types/parse-columns/parse-columns-tests.ts

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+import parseColumns = require('parse-columns');
+
+// $ExpectType { [key: string]: string; }[]
+parseColumns('foo');
+// $ExpectType { [key: string]: string; }[]
+parseColumns('foo', { separator: ' ' });
+// $ExpectType { [key: string]: string; }[]
+parseColumns('foo', { headers: ['foo', 'bar'] });
+// $ExpectType { [key: string]: string | number; }[]
+parseColumns('foo', {
+    transform(el, header, columnIndex, rowIndex) {
+        // $ExpectType string
+        el;
+        // $ExpectType string
+        header;
+        // $ExpectType number
+        columnIndex;
+        // $ExpectType number
+        rowIndex;
+
+        if (columnIndex >= 1 && columnIndex <= 3) {
+            return Number(el);
+        }
+
+        return el;
+    },
+});

types/parse-columns/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "parse-columns-tests.ts"
+    ]
+}

types/parse-columns/tslint.json

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+{ "extends": "dtslint/dt.json" }