add types for lucene (#40074)

types/lucene/index.d.ts

@@ -0,0 +1,49 @@
+// Type definitions for lucene 2.1
+// Project: https://github.com/bripkens/lucene#readme
+// Definitions by: Ben Grynhaus <https://github.com/bengry>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface TermLocation {
+    column: number;
+    line: number;
+    offset: number;
+}
+
+export interface Node {
+    boost: null | number;
+    field: string | '<implicit>';
+    fieldLocation: null;
+    prefix: null | string;
+    quoted: boolean;
+    regex: boolean;
+    similarity: null;
+    term: string;
+    termLocation: TermLocation;
+}
+
+export type Operator = '<implicit>' | 'NOT' | 'OR' | 'AND' | 'AND NOT' | 'OR NOT';
+
+export interface LeftOnlyAST {
+    left: Node;
+    start?: Operator;
+}
+
+export interface BinaryAST {
+    left: AST | Node;
+    operator: Operator;
+    right: AST | Node;
+}
+
+export type AST = LeftOnlyAST | BinaryAST;
+
+export function parse(query: string): AST;
+
+export function toString(ast: AST): string;
+
+export interface Parser {
+    escape(str: string): string;
+    unescape(str: string): string;
+}
+
+export const term: Parser;
+export const phrase: Parser;

types/lucene/lucene-tests.ts

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+import * as lucene from 'lucene';
+
+const ast = lucene.parse('query'); // $ExpectType AST
+lucene.parse(1); // $ExpectError
+
+lucene.toString(ast); // $ExpectType string
+
+lucene.phrase.escape(''); // $ExpectType string
+lucene.phrase.escape(1); // $ExpectError
+
+lucene.phrase.unescape(''); // $ExpectType string
+lucene.phrase.unescape(1); // $ExpectError

types/lucene/tsconfig.json

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

types/lucene/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }