"Uncaught SyntaxError: Cannot read configuration file" when invalid syntax

[rugk]

[Enter steps to reproduce below:]

1. Create this config file:

{
    "plugins": {
        "remark-lint": {
            "no-literal-urls": false,
            "list-item-indent": false,
            "no-missing-blank-lines": false
            "maximum-line-length": false
        }
    }
}

Atom Version: 1.8.0
System: LMDE Cinnamon
Thrown From: linter-markdown package, v1.5.2

Stack Trace

Uncaught SyntaxError: Cannot read configuration file: /projectdir/.remarkrc
Unexpected string

At /profiledir/.atom/packages/linter-markdown/node_modules/remark/lib/cli/configuration.js:145

SyntaxError: Cannot read configuration file: /projectdir/.remarkrc
Unexpected string
    at Object.parse (native)
    at load (/profiledir/.atom/packages/linter-markdown/node_modules/remark/lib/cli/configuration.js:139:38)
    at /profiledir/.atom/packages/linter-markdown/node_modules/remark/lib/cli/configuration.js:211:21
    at /profiledir/.atom/packages/linter-markdown/node_modules/remark/node_modules/vfile-find-up/index.js:207:17
    at FSReqWrap.oncomplete (fs.js:82:15)

Commands

     -2:05.6.0 editor:outdent-selected-rows (atom-text-editor.editor.is-focused)
     -1:22.1.0 core:delete (atom-text-editor.editor.is-focused)
     -1:20.6.0 core:backspace (atom-text-editor.editor.is-focused)
  2x -1:18 core:undo (atom-text-editor.editor.is-focused)
     -1:13.1.0 core:cut (atom-text-editor.editor.is-focused)
     -1:11.4.0 core:delete (atom-text-editor.editor.is-focused)
     -1:09.7.0 core:save (atom-text-editor.editor.is-focused)
     -1:08.8.0 core:paste (atom-text-editor.editor.is-focused)
     -1:07.5.0 core:save (atom-text-editor.editor.is-focused)
     -0:43.9.0 editor:newline (atom-text-editor.editor.is-focused)
     -0:43.3.0 core:paste (atom-text-editor.editor.is-focused)
  2x -0:42.6.0 core:move-right (atom-text-editor.editor.is-focused)
     -0:17.9.0 core:paste (atom-text-editor.editor.is-focused)
  2x -0:12.9.0 core:backspace (atom-text-editor.editor.is-focused)
  2x -0:11.6.0 core:save (atom-text-editor.editor.is-focused)
     -0:04.7.0 core:backspace (atom-text-editor.editor.is-focused)

Config

{
  "core": {
    "disabledPackages": [
      "metrics",
      "linter-tidy",
      "pigments",
      "css-clean"
    ],
    "packagesWithKeymapsDisabled": [
      "csscomb"
    ],
    "themes": [
      "atom-dark-ui",
      "one-dark-syntax"
    ]
  }
}

Installed Packages

# User
atom-easy-jsdoc, v4.6.0
color-picker, v2.1.1
csscomb, v0.3.1
editorconfig, v1.4.1
linter, v1.11.14
linter-js-yaml, v1.2.5
linter-markdown, v1.5.2
linter-sass-lint, v1.6.1

# Dev
No dev packages

I would at least expect a friendlier error message...