[log-process-errors] Add type definitions for 'log-process-errors' (#35464)

* Add base type definitions for log-process-errors.

* Correct return type of LogProcessErrors function.

* Add log-process-errors tests.

* Add tsconfig and tslint for log-process-errors.

* Correct import path for log-process-errors-tests.ts.

* Define minimal compatible TypeScript version for log-process-errors

* Correct placement of log-process-errors type definitions.

* Make options in LogProcessErrors function optional

* Define `testing` and `colors` properties of LogProcessErrorsOptions as optional.

* Use camelCase for logProcessErrors function to be more inline with log-process-errors' documentation.

* Correct log-process-errors exports.

* Remove redundant exports from logProcessErrors namespace.

types/log-process-errors/index.d.ts

@@ -0,0 +1,68 @@
+// Type definitions for log-process-errors 4.1
+// Project: https://git.io/fhSGY
+// Definitions by: Jørgen Vatle <https://github.com/JorgenVatle>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.1
+
+declare namespace logProcessErrors {
+    /**
+     * Log level
+     */
+    type LogLevel = 'debug' | 'info' | 'warn' | 'error' | 'silent' | 'default';
+
+    /**
+     * Exception type.
+     */
+    type ExceptionType = 'uncaughtException' | 'unhandledRejection' | 'rejectionHandled' | 'multipleResolves' | 'warning';
+
+    /**
+     * log-process-errors constructor options.
+     */
+    interface Options {
+        /**
+         * Override logger
+         *
+         * @link https://github.com/ehmicky/log-process-errors/blob/master/docs/API.md#log
+         */
+        log?(error: Error, level: LogLevel): Promise<void> | void;
+
+        /**
+         * Which log level to use for different exceptions.
+         *
+         * https://github.com/ehmicky/log-process-errors/blob/master/docs/API.md#log
+         */
+        level?: Partial<Record<ExceptionType, LogLevel>> & {
+            default?(error: Error): 'silent' | 'default';
+        };
+
+        /**
+         * Which process should trigger `process.exit(1)`
+         *
+         * @link https://github.com/ehmicky/log-process-errors/blob/master/docs/API.md#exiton
+         */
+        exitOn?: ExceptionType[];
+
+        /**
+         * When running tests, makes them fail if there are any process errors.
+         *
+         * @link https://github.com/ehmicky/log-process-errors/blob/master/docs/API.md#testing
+         */
+        testing?: 'ava' | 'mocha' | 'jasmine' | 'tape' | 'node-tap';
+
+        /**
+         * Whether or not to colorize messages.
+         *
+         * @link https://github.com/ehmicky/log-process-errors/blob/master/docs/API.md#colors
+         */
+        colors?: boolean;
+    }
+}
+
+/**
+ * Log Process Errors
+ *
+ * @link https://github.com/ehmicky/log-process-errors/blob/master/docs/API.md#logprocesserrorsoptions
+ */
+declare function logProcessErrors(options?: logProcessErrors.Options): () => void;
+
+export = logProcessErrors;

types/log-process-errors/log-process-errors-tests.ts

@@ -0,0 +1,24 @@
+import * as LogProcessErrors from 'log-process-errors';
+
+/**
+ * Initialize log-process-errors with example options.
+ */
+const reset = LogProcessErrors({
+    log(error, level) {
+        const someErr: Error = error;
+        const someLogLevel: LogProcessErrors.LogLevel = level;
+    },
+
+    level: { multipleResolves: 'debug' },
+
+    exitOn: ['uncaughtException', 'unhandledRejection'],
+
+    testing: 'ava',
+
+    colors: false,
+});
+
+/**
+ * Restore default Node.js error handling functionality.
+ */
+reset();

types/log-process-errors/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "log-process-errors-tests.ts"
+    ]
+}

types/log-process-errors/tslint.json

@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}