This repository has been archived by the owner on Dec 1, 2019. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 181
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat: initial impl of PathsPlugin, refs #156
- Loading branch information
1 parent
e907105
commit da70ef1
Showing
5 changed files
with
189 additions
and
20 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| import { setupTs, readConfigFile, LoaderConfig } from './instance'; | ||
| import * as path from 'path'; | ||
|
|
||
| const ModulesInRootPlugin: new (a: string, b: string, c: string) => ResolverPlugin | ||
| = require('enhanced-resolve/lib/ModulesInRootPlugin'); | ||
|
|
||
| const createInnerCallback: CreateInnerCallback = require('enhanced-resolve/lib/createInnerCallback'); | ||
| const getInnerRequest: getInnerRequest = require('enhanced-resolve/lib/getInnerRequest'); | ||
|
|
||
| type CreateInnerCallback = (callback: Callback, options: Callback, message?: string, messageOptional?: string) => Callback; | ||
| type getInnerRequest = (resolver: Resolver, request: Request) => string; | ||
|
|
||
| export interface Request { | ||
| request?: Request; | ||
| relativePath: string; | ||
| } | ||
|
|
||
| export interface Callback { | ||
| (err?: Error, result?: any): void; | ||
|
|
||
| log?: any; | ||
| stack?: any; | ||
| missing?: any; | ||
| } | ||
|
|
||
| type ResolverCallback = (request: Request, callback: Callback) => void; | ||
|
|
||
| interface ResolverPlugin { | ||
| apply(resolver: Resolver): void; | ||
| } | ||
|
|
||
| export interface Resolver { | ||
| apply(plugin: ResolverPlugin): void; | ||
| plugin(source: string, cb: ResolverCallback); | ||
| doResolve(target: string, req: Request, desc: string, Callback); | ||
| join(relativePath: string, innerRequest: Request): Request; | ||
| } | ||
|
|
||
| interface Mapping { | ||
| onlyModule: boolean; | ||
| alias: string; | ||
| aliasPattern: RegExp; | ||
| target: string; | ||
| } | ||
|
|
||
| function escapeRegExp(str) { | ||
| return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); | ||
| } | ||
|
|
||
| export class PathsPlugin implements ResolverPlugin { | ||
| source: string; | ||
| target: string; | ||
| ts: typeof ts; | ||
| configFilePath: string; | ||
| options: ts.CompilerOptions; | ||
|
|
||
| baseUrl: string; | ||
| mappings: Mapping[]; | ||
| absoluteBaseUrl: string; | ||
|
|
||
| constructor(config: LoaderConfig & ts.CompilerOptions = {} as any) { | ||
| this.source = 'described-resolve'; | ||
| this.target = 'resolve'; | ||
|
|
||
| this.ts = setupTs(config.compiler).tsImpl; | ||
|
|
||
| let { configFilePath, compilerConfig } = readConfigFile(process.cwd(), config, this.ts); | ||
| this.options = compilerConfig.options; | ||
| this.configFilePath = configFilePath; | ||
|
|
||
| this.baseUrl = this.options.baseUrl; | ||
| this.absoluteBaseUrl = path.resolve( | ||
| path.dirname(this.configFilePath), | ||
| this.baseUrl | ||
| ); | ||
|
|
||
| console.log(this.configFilePath, this.absoluteBaseUrl) | ||
|
|
||
| this.mappings = []; | ||
| let paths = this.options.paths || {}; | ||
| Object.keys(paths).forEach(alias => { | ||
| let onlyModule = alias.indexOf('*') === -1; | ||
| let excapedAlias = escapeRegExp(alias); | ||
| let targets = paths[alias]; | ||
| targets.forEach(target => { | ||
| let aliasPattern: RegExp; | ||
| if (onlyModule) { | ||
| aliasPattern = new RegExp(`^${excapedAlias}$`); | ||
| } else { | ||
| let withStarCapturing = excapedAlias.replace('\\*', '(.*)'); | ||
| aliasPattern = new RegExp(`^${withStarCapturing}`); | ||
| } | ||
|
|
||
| this.mappings.push({ | ||
| onlyModule, | ||
| alias, | ||
| aliasPattern, | ||
| target: target | ||
| }); | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| apply(resolver: Resolver) { | ||
| let { baseUrl, mappings } = this; | ||
|
|
||
| if (baseUrl) { | ||
| resolver.apply(new ModulesInRootPlugin("module", this.absoluteBaseUrl, "resolve")); | ||
| } | ||
|
|
||
| mappings.forEach(mapping => { | ||
| resolver.plugin(this.source, this.createPlugin(resolver, mapping)) | ||
| }); | ||
| } | ||
|
|
||
| createPlugin(resolver: Resolver, mapping: Mapping) { | ||
| return (request, callback) => { | ||
| let innerRequest = getInnerRequest(resolver, request); | ||
| if (!innerRequest) { | ||
| return callback(); | ||
| } | ||
|
|
||
| let match = innerRequest.match(mapping.aliasPattern); | ||
| if (!match) { | ||
| return callback(); | ||
| } | ||
|
|
||
| let newRequestStr = mapping.target; | ||
| if (!mapping.onlyModule) { | ||
| newRequestStr = newRequestStr.replace('*', match[1]); | ||
| } | ||
|
|
||
| let newRequest: Request = Object.assign({}, request, { | ||
| request: newRequestStr | ||
| }); | ||
|
|
||
| console.log("aliased'" + innerRequest + "': '" + mapping.alias + "' to '" + newRequestStr + "'"); | ||
|
|
||
| return resolver.doResolve( | ||
| this.target, | ||
| newRequest, | ||
| "aliased with mapping '" + innerRequest + "': '" + mapping.alias + "' to '" + newRequestStr + "'", | ||
| createInnerCallback( | ||
| function(err, result) { | ||
| console.log(err, result); | ||
| if (arguments.length > 0) { | ||
| return callback(err, result); | ||
| } | ||
|
|
||
| // don't allow other aliasing or raw request | ||
| callback(null, null); | ||
| }, | ||
| callback | ||
| ) | ||
| ); | ||
| }; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters