[Dev Deps] update eslint, @ljharb/eslint-config, tape; add `saf…

…e-publish-latest`

package.json

@@ -20,8 +20,9 @@
 	"license": "MIT",
 	"main": "index.js",
 	"scripts": {
-		"pretest": "npm run --silent lint",
-		"test": "npm run --silent tests-only",
+		"prepublish": "safe-publish-latest",
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
 		"tests-only": "node test",
 		"posttest": "npx aud",
 		"coverage": "covert test/index.js",
@@ -49,14 +50,15 @@
 		"safer-buffer": "^2.1.2"
 	},
 	"devDependencies": {
-		"@ljharb/eslint-config": "^14.1.0",
+		"@ljharb/eslint-config": "^15.1.0",
 		"covert": "^1.1.1",
-		"eslint": "^6.4.0",
+		"eslint": "^6.8.0",
 		"evalmd": "^0.0.19",
 		"foreach": "^2.0.5",
 		"has": "^1.0.3",
 		"object-keys": "^1.1.1",
-		"tape": "^4.11.0"
+		"safe-publish-latest": "^1.1.4",
+		"tape": "^5.0.0-next.3"
 	},
 	"engines": {
 		"node": ">= 0.4"

test/index.js

@@ -7,6 +7,7 @@ var forEach = require('foreach');
 var keys = require('object-keys');
 var Promise = require('promiseback').Deferred.Promise;
 var has = require('has');
+var assign = require('object.assign');
 
 var noNewlineFilename = 'test/no-trailing-newline.json';
 var testFilename = 'test/test.json';
@@ -30,6 +31,19 @@ var isFileNotFoundError = function (err) {
 	].indexOf(err.errno) > -1;
 };
 
+var enoent = function enoent(err, filename) {
+	var message = 'ENOENT' + (err.message.indexOf('no such file or directory') === 8 ? ': no such file or directory' : '') + ', open \'' + filename + "'";
+	var expectedError = assign(new Error(message), {
+		code: 'ENOENT',
+		errno: err.errno,
+		path: filename
+	});
+	if (has(err, 'syscall')) {
+		expectedError.syscall = 'open';
+	}
+	return expectedError;
+};
+
 test('requires a callback when arg is provided', function (t) {
 	t.plan(6);
 	t['throws'](function () { jsonFile(testFilename, undefined); }, TypeError, 'requires a function');
@@ -56,15 +70,7 @@ test('returns an exception if the file is not found', function (t) {
 	jsonFile('NOT A REAL FILE', function (err, file) {
 		t.ok(err, 'error is truthy');
 		t.ok(isFileNotFoundError(err), 'error number is correct');
-		var expectedError = {
-			code: 'ENOENT',
-			errno: err.errno,
-			path: path.resolve('NOT A REAL FILE')
-		};
-		if (has(err, 'syscall')) {
-			expectedError.syscall = 'open';
-		}
-		t.deepEqual(err, expectedError, 'returns an error');
+		t.deepEqual(err, enoent(err, path.resolve('NOT A REAL FILE')), 'returns an error');
 		t.equal(file, undefined, 'file is undefined');
 		t.end();
 	});
@@ -250,15 +256,7 @@ test('returns an error when no file', function (t) {
 		t.ok(err, 'error is truthy');
 		t.notOk(file, 'file is falsy');
 		t.ok(isFileNotFoundError(err), 'error number is correct');
-		var expectedError = {
-			code: 'ENOENT',
-			errno: err.errno,
-			path: filename
-		};
-		if (has(err, 'syscall')) {
-			expectedError.syscall = 'open';
-		}
-		t.deepEqual(err, expectedError, 'returned an error');
+		t.deepEqual(err, enoent(err, filename), 'returned an error');
 		t.end();
 	});
 });