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BREAKING CHANGE: Removed update method
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roman.vasilev
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Aug 24, 2018
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| import * as ts from 'typescript'; | ||
| import * as fs from 'fs'; | ||
| import * as path from 'path'; | ||
|
|
||
| type CreateProgramArgument = { | ||
| configFile: string; | ||
| compilerOptions?: ts.CompilerOptions; | ||
| projectDirectory?: string; | ||
| }; | ||
|
|
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| export function createProgram({ configFile, projectDirectory = path.dirname(configFile), compilerOptions = {} }: CreateProgramArgument): ts.Program { | ||
| const { config, error } = ts.readConfigFile(configFile, ts.sys.readFile); | ||
| if (error !== undefined) { | ||
| throw new Error(ts.formatDiagnostics([error], { | ||
| getCanonicalFileName: f => f, | ||
| getCurrentDirectory: process.cwd, | ||
| getNewLine: () => '\n', | ||
| })); | ||
| } | ||
| const parseConfigHost: ts.ParseConfigHost = { | ||
| fileExists: (path: string) => { | ||
| return fs.existsSync(path); | ||
| }, | ||
| readDirectory: ts.sys.readDirectory, | ||
| readFile: (file) => { | ||
| return fs.readFileSync(file, 'utf8'); | ||
| }, | ||
| useCaseSensitiveFileNames: true, | ||
| }; | ||
| config.compilerOptions = { ...(config.compilerOptions || {}), ...compilerOptions }; | ||
| const parsed = ts.parseJsonConfigFileContent(config, parseConfigHost, path.resolve(projectDirectory), { | ||
| noEmit: true, | ||
| sourceMap: false, | ||
| inlineSources: false, | ||
| inlineSourceMap: false, | ||
| }); | ||
| if (parsed.errors !== undefined) { | ||
| // ignore warnings and 'TS18003: No inputs were found in config file ...' | ||
| const errors = parsed.errors.filter(d => d.category === ts.DiagnosticCategory.Error && d.code !== 18003); | ||
| if (errors.length !== 0) { | ||
| throw new Error(ts.formatDiagnostics(errors, { | ||
| getCanonicalFileName: f => f, | ||
| getCurrentDirectory: process.cwd, | ||
| getNewLine: () => '\n', | ||
| })); | ||
| } | ||
| } | ||
| const host = ts.createCompilerHost(parsed.options, true); | ||
| const program = ts.createProgram(parsed.fileNames, parsed.options, host); | ||
|
|
||
| return program; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| import * as ts from 'typescript'; | ||
|
|
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| export function getSourceFile(program: ts.Program, fileName: string, sourceText?: string): ts.SourceFile { | ||
| if (program !== undefined) { | ||
| const sourceFile = program.getSourceFile(fileName); | ||
| if (sourceFile) { | ||
| return sourceFile; | ||
| } | ||
| } | ||
| if (sourceText === undefined) { | ||
| throw new Error(`Invalid source file: ${fileName}`); | ||
| } | ||
| return ts.createSourceFile(fileName, sourceText, ts.ScriptTarget.ES5, true); | ||
| } |
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