Fix #457: force trailing slash in the backend side

[EslamHiko]

Summary This PR forcing a redirect to any URL without a trailing slash '/' in the end. This PR is to close : https://github.com/saberland/saber/issues/457

What kind of change does this PR introduce? (check at least one)

• [x] Bugfix
• [ ] Feature
• [ ] Code style update
• [ ] Refactor
• [ ] Docs
• [ ] Build-related changes
• [ ] Other, please describe:

If changing the UI/CSS related code, please provide the before/after screenshot:

Does this PR introduce a breaking change? (check one)

• [ ] Yes
• [x] No

If yes, please describe the impact and migration path for existing applications:

The PR fulfills these requirements:

• [x] Briefly describing what this PR does in the title in Angular Commit Message Conventions, e.g. fix: rebuild when a page is added

To avoid wasting your time, it's best to open a feature request issue first and wait for approval before working on it.

Other information:

---

IssueHunt Summary

Referenced issues

This pull request has been submitted to:

• #457: Redirect user when trailing slash omitted or included depending on permalink settings

---

IssueHunt has been backed by the following sponsors. Become a sponsor

[netlify[bot]]

Deploy preview for saber ready!

Built with commit f583beda95d35ef7356afc0abfd2ccbf4576cee6

https://deploy-preview-470--saber.netlify.com

[EslamHiko]

This is a demo from my localhost

I'm not sure why it's not working on netlify, should I place my changes somewhere else?

[egoist]

Your change will only apply to our dev server, in production it's built into static HTML files.

[gavinmcfarland]

Would it make more sense that this setting is only applied when the user-specifies what the permalinks are?

For example

# Default values:
permalinks:
  post: /:year/:month/:day/:slug.html
  page: /:slug.html

permalinks:
  post: /:year/:month/:day/:slug
  page: /:slug

permalinks:
  post: /:year/:month/:day/:slug/
  page: /:slug/

Or perhaps it needs to be broken into its own setting?

[EslamHiko]

@limitlessloop I searched a lot I found that it might be achievable by Vue Router: http://jsfiddle.net/L7hscd8h/9377/ we map routes here : https://github.com/saberland/saber/blob/6afe8fa01535900c361e6b23ef70b2aedb9ca055/packages/saber/vue-renderer/app/router.js#L4 and ensure all routes have a trailing slash. and setpathToRegexpOptions: { strict: true } to the routes, will it work?