addon-docs: Failed prop type: Invalid prop `viewMode` of value `docs` supplied to `Preview`, expected one of ["story","info"].

Describe the bug When using addon-docs with MDX, my component in the Canvas tab is shown, but nothing in the Docs tab shows.

To Reproduce Configure the new Storybook beta with docs-addon while adding those presets :

module.exports = [
  {
    name: "@storybook/addon-docs/react/preset",
    options: {
      configureJSX: true,
      sourceLoaderOptions: null,
    },
  },
];

Versions :

• @storybook/react": “^5.2.0-beta.32”
• @storybook/addon-docs: “^5.2.0-beta.32”,

Screenshots

Story base.story.mdx :

Config config.js :

My component shows well in the Canvas tab, however, when I go to the Docs tab, I am having the following errors :

[shilman]

@lonyele Yeah those routes were hard-coded in 5.0 due to lack of time. And I think they are hard-coded again in 5.2. But we expect our users to use the same version of our libraries, and don’t make guarantees if they are not. This is not pure semver, but practically speaking it’s worked for us so far aside from this kind of case (e.g. people mixing 5.1 & 5.2 together), which unfortunately happens fairly often.

[alisonsayarath]

@alisonsayarath why did you need to fork it? that will def cause problems. docs should be stable release in the next two weeks.

Oups, sorry for the late answer. We have multiple CRA base config modes.