Import from project root

[Cyril Auburtin]

`global.rootRequire` is quite bad (like user-added globals in general), I'd
just do that https://gist.github.com/branneman/8048520#gistcomment-2247189,
or use lerna, or use webpack resolvers

2018-03-29 17:37 GMT+02:00 T.J. Crowder <tj.crowder at farsightsoftware.com>:

> On Thu, Mar 29, 2018 at 2:49 PM, Sebastian Malton <sebastian at malton.name>
> wrote:
> >
> > No because this is something that I am proposing as an extension
> > to es import/export
>
> The *ModuleSpecifier* string of `import` is entirely environment-specific,
> not covered by the ECMAScript standard at all. From [Runtime Semantics:
> HostResolveImportedModule ( referencingModule, specifier )][1]:
>
> > HostResolveImportedModule is an **implementation-defined abstract
> > operation** that provides the concrete Module Record subclass
> > instance that corresponds to the ModuleSpecifier String,
> > specifier, occurring within the context of the module represented
> > by the Module Record referencingModule.
>
> Instead of the ECMAScript spec definining it, it's left to environments to
> define it appropriately for the environment, since different environments
> have different design constraints and criteria. For instance, [this part of
> the WHAT-WG HTML spec][2] covers using modules on the web (drawing on
> various underlying initiatives such as [`import()`][3] and
> [`import.meta`][4]). (In this initial version, unsurprisingly, module
> specifiers are essentially URLs, with the requirement [for now] that
> relative URLs must start with `/`, `./`, or `../` so that "bare" relative
> URLs can be given meaning down-the-line.)
>
> So if you want a special token for "root," that will be an
> environment-specific request, not something for TC39.
>
> Of course, TC39 could define some syntax (outside the *ModuleSpecifier*)
> that says "work from the root" while still leaving it up to the environment
> what "the root" is, but there's no particular reason to do that rather than
> leaving it to environments to handle as part of the *ModuleSpecifier*.
>
> -- T.J. Crowder
>
> [1]: https://tc39.github.io/ecma262/#sec-hostresolveimportedmodule
> [2]: https://html.spec.whatwg.org/#integration-with-the-javascrip
> t-module-system
> [3]: https://tc39.github.io/proposal-dynamic-import/
> [4]: https://tc39.github.io/proposal-import-meta/
>
>
>
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