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Merge pull request #77 from prograhammer/feature/vue
Adds .vue functionality
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| import fs = require('fs'); | ||
| import path = require('path'); | ||
| import ts = require('typescript'); | ||
| import FilesRegister = require('./FilesRegister'); | ||
| import FilesWatcher = require('./FilesWatcher'); | ||
| import vueParser = require('vue-parser'); | ||
|
|
||
| class VueProgram { | ||
| static loadProgramConfig(configFile: string) { | ||
| const extraExtensions = ['vue']; | ||
|
|
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| const parseConfigHost: ts.ParseConfigHost = { | ||
| fileExists: ts.sys.fileExists, | ||
| readFile: ts.sys.readFile, | ||
| useCaseSensitiveFileNames: ts.sys.useCaseSensitiveFileNames, | ||
| readDirectory: (rootDir, extensions, excludes, includes, depth) => { | ||
| return ts.sys.readDirectory(rootDir, extensions.concat(extraExtensions), excludes, includes, depth); | ||
| } | ||
| }; | ||
|
|
||
| const parsed = ts.parseJsonConfigFileContent( | ||
| // Regardless of the setting in the tsconfig.json we want isolatedModules to be false | ||
| Object.assign(ts.readConfigFile(configFile, ts.sys.readFile).config, { isolatedModules: false }), | ||
| parseConfigHost, | ||
| path.dirname(configFile) | ||
| ); | ||
|
|
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| parsed.options.allowNonTsExtensions = true; | ||
|
|
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| return parsed; | ||
| } | ||
|
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| /** | ||
| * Since 99.9% of Vue projects use the wildcard '@/*', we only search for that in tsconfig CompilerOptions.paths. | ||
| * The path is resolved with thie given substitution and includes the CompilerOptions.baseUrl (if given). | ||
| * If no paths given in tsconfig, then the default substitution is '[tsconfig directory]/src'. | ||
| * (This is a fast, simplified inspiration of what's described here: https://github.com/Microsoft/TypeScript/issues/5039) | ||
| */ | ||
| public static resolveNonTsModuleName(moduleName: string, containingFile: string, basedir: string, options: ts.CompilerOptions) { | ||
| const baseUrl = options.baseUrl ? options.baseUrl : basedir; | ||
| const pattern = options.paths ? options.paths['@/*'] : undefined; | ||
| const substitution = pattern ? options.paths['@/*'][0].replace('*', '') : 'src'; | ||
| const isWildcard = moduleName.substr(0, 2) === '@/'; | ||
| const isRelative = !path.isAbsolute(moduleName); | ||
|
|
||
| if (isWildcard) { | ||
| moduleName = path.resolve(baseUrl, substitution, moduleName.substr(2)); | ||
| } else if (isRelative) { | ||
| moduleName = path.resolve(path.dirname(containingFile), moduleName); | ||
| } | ||
|
|
||
| return moduleName; | ||
| } | ||
|
|
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| public static isVue(filePath: string) { | ||
| return path.extname(filePath) === '.vue'; | ||
| } | ||
|
|
||
| static createProgram( | ||
| programConfig: ts.ParsedCommandLine, | ||
| basedir: string, | ||
| files: FilesRegister, | ||
| watcher: FilesWatcher, | ||
| oldProgram: ts.Program | ||
| ) { | ||
| const host = ts.createCompilerHost(programConfig.options); | ||
| const realGetSourceFile = host.getSourceFile; | ||
|
|
||
| // We need a host that can parse Vue SFCs (single file components). | ||
| host.getSourceFile = (filePath, languageVersion, onError) => { | ||
| // first check if watcher is watching file - if not - check it's mtime | ||
| if (!watcher.isWatchingFile(filePath)) { | ||
| try { | ||
| const stats = fs.statSync(filePath); | ||
|
|
||
| files.setMtime(filePath, stats.mtime.valueOf()); | ||
| } catch (e) { | ||
| // probably file does not exists | ||
| files.remove(filePath); | ||
| } | ||
| } | ||
|
|
||
| // get source file only if there is no source in files register | ||
| if (!files.has(filePath) || !files.getData(filePath).source) { | ||
| files.mutateData(filePath, (data) => { | ||
| data.source = realGetSourceFile(filePath, languageVersion, onError); | ||
| }); | ||
| } | ||
|
|
||
| let source = files.getData(filePath).source; | ||
|
|
||
| // get typescript contents from Vue file | ||
| if (source && VueProgram.isVue(filePath)) { | ||
| const parsed = vueParser.parse(source.text, 'script', { lang: ['ts', 'tsx', 'js', 'jsx'] }); | ||
| source = ts.createSourceFile(filePath, parsed, languageVersion, true); | ||
| } | ||
|
|
||
| return source; | ||
| }; | ||
|
|
||
| // We need a host with special module resolution for Vue files. | ||
| host.resolveModuleNames = (moduleNames, containingFile) => { | ||
| const resolvedModules: ts.ResolvedModule[] = []; | ||
|
|
||
| for (const moduleName of moduleNames) { | ||
| // Try to use standard resolution. | ||
| const result = ts.resolveModuleName(moduleName, containingFile, programConfig.options, { | ||
| fileExists: host.fileExists, | ||
| readFile: host.readFile | ||
| }); | ||
|
|
||
| if (result.resolvedModule) { | ||
| resolvedModules.push(result.resolvedModule); | ||
| } else { | ||
| // For non-ts extensions. | ||
| const absolutePath = VueProgram.resolveNonTsModuleName(moduleName, containingFile, basedir, programConfig.options); | ||
|
|
||
| if (VueProgram.isVue(moduleName)) { | ||
| resolvedModules.push({ | ||
| resolvedFileName: absolutePath, | ||
| extension: '.ts' | ||
| } as ts.ResolvedModuleFull); | ||
| } else { | ||
| resolvedModules.push({ | ||
| // If the file does exist, return an empty string (because we assume user has provided a ".d.ts" file for it). | ||
| resolvedFileName: host.fileExists(absolutePath) ? '' : absolutePath, | ||
| extension: '.ts' | ||
| } as ts.ResolvedModuleFull); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return resolvedModules; | ||
| }; | ||
|
|
||
| return ts.createProgram( | ||
| programConfig.fileNames, | ||
| programConfig.options, | ||
| host, | ||
| oldProgram // re-use old program | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| export = VueProgram; |
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