@ -1,7 +1,10 @@
'use strict'
import { Plugin } from '@remixproject/engine'
import * as packageJson from '../../../../../package.json'
const remixTests = require ( '@remix-project/remix-tests' )
const globalRegistry = require ( '../../global/registry' )
const addTooltip = require ( '../ui/tooltip' )
const async = require ( 'async' )
var base64 = require ( 'js-base64' ) . Base64
var swarmgw = require ( 'swarmgw' ) ( )
var resolver = require ( '@resolver-engine/imports' ) . ImportsEngine ( )
@ -11,12 +14,13 @@ const profile = {
name : 'contentImport' ,
displayName : 'content import' ,
version : packageJson . version ,
methods : [ 'resolve' ]
methods : [ 'resolve' , 'resolveAndSave' ]
}
module . exports = class CompilerImports extends Plugin {
constructor ( ) {
constructor ( fileManager ) {
super ( profile )
this . fileManager = fileManager
this . previouslyHandled = { } // cache import so we don't make the request at each compilation.
}
@ -101,6 +105,12 @@ module.exports = class CompilerImports extends Plugin {
return /^([^/]+)/ . exec ( url )
}
/ * *
* resolve the content of @ arg url . This only resolves external URLs .
*
* @ param { String } url - external URL of the content . can be basically anything like raw HTTP , ipfs URL , github address etc ...
* @ returns { Promise } - { content , cleanUrl , type , url }
* /
resolve ( url ) {
return new Promise ( ( resolve , reject ) => {
this . import ( url , null , ( error , content , cleanUrl , type , url ) => {
@ -171,4 +181,90 @@ module.exports = class CompilerImports extends Plugin {
cb ( 'Unable to import "' + url + '": File not found' )
} )
}
importExternal ( url , cb ) {
this . import ( url ,
// TODO: move to an event that is generated, the UI shouldn't be here
( loadingMsg ) => { addTooltip ( loadingMsg ) } ,
( error , content , cleanUrl , type , url ) => {
if ( error ) return cb ( error )
if ( this . fileManager ) {
const browser = this . fileManager . fileProviderOf ( 'browser/' )
if ( browser ) browser . addExternal ( type + '/' + cleanUrl , content , url )
}
cb ( null , content )
} )
}
/ * *
* import the content of @ arg url .
* first look in the browser localstorage ( browser explorer ) or locahost explorer . if the url start with ` browser/* ` or ` localhost/* `
* then check if the @ arg url is located in the localhost , in the node _modules or installed _contracts folder
* then check if the @ arg url match any external url
*
* @ param { String } url - URL of the content . can be basically anything like file located in the browser explorer , in the localhost explorer , raw HTTP , github address etc ...
* @ returns { Promise } - string content
* /
resolveAndSave ( url ) {
return new Promise ( ( resolve , reject ) => {
if ( url . indexOf ( 'remix_tests.sol' ) !== - 1 ) resolve ( remixTests . assertLibCode )
if ( ! this . fileManager ) {
// fallback to just resolving the file, it won't be saved in file manager
return this . importExternal ( url , ( error , content ) => {
if ( error ) return reject ( error )
resolve ( content )
} )
}
var provider = this . fileManager . fileProviderOf ( url )
if ( provider ) {
if ( provider . type === 'localhost' && ! provider . isConnected ( ) ) {
return reject ( new Error ( ` file provider ${ provider . type } not available while trying to resolve ${ url } ` ) )
}
provider . exists ( url , ( error , exist ) => {
if ( error ) return reject ( error )
if ( ! exist && provider . type === 'localhost' ) return reject ( new Error ( ` not found ${ url } ` ) )
/ *
if the path is absolute and the file does not exist , we can stop here
Doesn 't make sense to try to resolve "localhost/node_modules/localhost/node_modules/<path>" and we' ll end in an infinite loop .
* /
if ( ! exist && url . startsWith ( 'browser/' ) ) return reject ( new Error ( ` not found ${ url } ` ) )
if ( ! exist && url . startsWith ( 'localhost/' ) ) return reject ( new Error ( ` not found ${ url } ` ) )
if ( exist ) {
return provider . get ( url , ( error , content ) => {
if ( error ) return reject ( error )
resolve ( content )
} )
}
// try to resolve localhost modules (aka truffle imports) - e.g from the node_modules folder
const localhostProvider = this . fileManager . getProvider ( 'localhost' )
if ( localhostProvider . isConnected ( ) ) {
var splitted = /([^/]+)\/(.*)$/g . exec ( url )
return async . tryEach ( [
( cb ) => { this . resolveAndSave ( 'localhost/installed_contracts/' + url ) . then ( ( result ) => cb ( null , result ) ) . catch ( ( error ) => cb ( error . message ) ) } ,
( cb ) => { if ( ! splitted ) { cb ( 'URL not parseable: ' + url ) } else { this . resolveAndSave ( 'localhost/installed_contracts/' + splitted [ 1 ] + '/contracts/' + splitted [ 2 ] ) . then ( ( result ) => cb ( null , result ) ) . catch ( ( error ) => cb ( error . message ) ) } } ,
( cb ) => { this . resolveAndSave ( 'localhost/node_modules/' + url ) . then ( ( result ) => cb ( null , result ) ) . catch ( ( error ) => cb ( error . message ) ) } ,
( cb ) => { if ( ! splitted ) { cb ( 'URL not parseable: ' + url ) } else { this . resolveAndSave ( 'localhost/node_modules/' + splitted [ 1 ] + '/contracts/' + splitted [ 2 ] ) . then ( ( result ) => cb ( null , result ) ) . catch ( ( error ) => cb ( error . message ) ) } } ] ,
( error , result ) => {
if ( error ) {
return this . importExternal ( url , ( error , content ) => {
if ( error ) return reject ( error )
resolve ( content )
} )
}
resolve ( result )
} )
} else {
// try to resolve external content
this . importExternal ( url , ( error , content ) => {
if ( error ) return reject ( error )
resolve ( content )
} )
}
} )
}
} )
}
}
yann300
4 years ago