在tsconfig.json修复中定位ES6找不到名称
[英]Targeting ES6 in tsconfig.json fixes cannot find name
问题描述
I am going through a tutorial on AngularJS. 
我正在阅读有关AngularJS的教程。 The code can be found at https://github.com/planetoftheweb/learnangular/tree/02_01e 可以在https://github.com/planetoftheweb/learnangular/tree/02_01e找到该代码
I am using exactly this code. 我正在使用此代码。 When I run npm start, I get this error: 当我运行npm start时，出现以下错误：
node_modules/@angular/common/src/pipes/async_pipe.d.ts(39,38): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/compiler/src/directive_normalizer.d.ts(19,100): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/compiler/src/directive_normalizer.d.ts(21,74): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/compiler/src/offline_compiler.d.ts(31,124): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/compiler/src/resource_loader.d.ts(13,23): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/compiler/src/runtime_compiler.d.ts(40,49): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/compiler/src/runtime_compiler.d.ts(42,65): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/compiler/src/util.d.ts(35,18): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/compiler/src/util.d.ts(36,46): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/application_init.d.ts(16,18): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/application_ref.d.ts(106,67): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/application_ref.d.ts(122,101): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/application_ref.d.ts(148,67): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/application_ref.d.ts(150,101): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/facade/lang.d.ts(12,17): error TS2304: Cannot find name 'Map'.
node_modules/@angular/core/src/facade/lang.d.ts(13,17): error TS2304: Cannot find name 'Set'.
node_modules/@angular/core/src/linker/compiler.d.ts(53,49): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/linker/compiler.d.ts(61,65): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/linker/ng_module_factory_loader.d.ts(14,34): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/core/src/linker/system_js_ng_module_factory_loader.d.ts(28,25): error TS2304: Cannot find name 'Promise'.
node_modules/@angular/platform-browser-dynamic/src/resource_loader/resource_loader_impl.d.ts(10,23): error TS2304: Cannot find name 'Promise'.
node_modules/@types/core-js/index.d.ts(47,36): error TS2304: Cannot find name 'Iterable'.
node_modules/@types/core-js/index.d.ts(353,48): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(354,52): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(355,34): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(356,34): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(357,34): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(358,61): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(359,60): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(360,65): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(360,97): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(361,60): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(362,58): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(363,59): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(364,58): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(365,61): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(365,117): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(366,42): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(368,81): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(369,78): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(370,76): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(371,73): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(434,6): error TS2304: Cannot find name 'Symbol'.
node_modules/@types/core-js/index.d.ts(459,39): error TS2304: Cannot find name 'Promise'.
node_modules/@types/core-js/index.d.ts(467,59): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(468,59): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(470,48): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(471,69): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(475,40): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(477,48): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(693,55): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(694,45): error TS2304: Cannot find name 'PropertyKey'.
node_modules/@types/core-js/index.d.ts(710,46): error TS2304: Cannot find name 'Iterable'.
node_modules/@types/core-js/index.d.ts(711,43): error TS2304: Cannot find name 'Iterable'.
node_modules/@types/core-js/index.d.ts(826,20): error TS2304: Cannot find name 'PromiseConstructor'.
node_modules/@types/core-js/index.d.ts(841,32): error TS2304: Cannot find name 'Iterable'.
node_modules/@types/core-js/index.d.ts(845,39): error TS2304: Cannot find name 'Iterable'.
node_modules/@types/core-js/index.d.ts(845,53): error TS2304: Cannot find name 'Iterator'.
node_modules/@types/core-js/index.d.ts(856,35): error TS2304: Cannot find name 'Promise'.
node_modules/@types/core-js/index.d.ts(1479,36): error TS2339: Property 'for' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1483,43): error TS2339: Property 'hasInstance' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1487,50): error TS2339: Property 'isConcatSpreadable' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1491,40): error TS2339: Property 'iterator' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1495,38): error TS2339: Property 'keyFor' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1499,37): error TS2339: Property 'match' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1503,39): error TS2339: Property 'replace' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1507,38): error TS2339: Property 'search' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1511,39): error TS2339: Property 'species' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1515,37): error TS2339: Property 'split' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1519,43): error TS2339: Property 'toPrimitive' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1523,43): error TS2339: Property 'toStringTag' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(1527,43): error TS2339: Property 'unscopables' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2294,36): error TS2339: Property 'for' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2298,43): error TS2339: Property 'hasInstance' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2302,50): error TS2339: Property 'isConcatSpreadable' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2306,40): error TS2339: Property 'iterator' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2310,38): error TS2339: Property 'keyFor' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2314,37): error TS2339: Property 'match' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2318,39): error TS2339: Property 'replace' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2322,38): error TS2339: Property 'search' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2326,39): error TS2339: Property 'species' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2330,37): error TS2339: Property 'split' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2334,43): error TS2339: Property 'toPrimitive' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2338,43): error TS2339: Property 'toStringTag' does not exist on type 'SymbolConstructor'.
node_modules/@types/core-js/index.d.ts(2342,43): error TS2339: Property 'unscopables' does not exist on type 'SymbolConstructor'.
node_modules/rxjs/Observable.d.ts(10,66): error TS2304: Cannot find name 'Promise'.
node_modules/rxjs/Observable.d.ts(66,60): error TS2304: Cannot find name 'Promise'.
node_modules/rxjs/Observable.d.ts(66,70): error TS2304: Cannot find name 'Promise'.
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! learn-angular@1.0.0 start: `tsc && concurrently "tsc -w" "lite-server" `
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the learn-angular@1.0.0 start script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! /Users/craigbertrand/.npm/_logs/2017-11-06T15_09_02_610Z-debug.log
Running npm -v logs 5.5.1 运行npm -v日志5.5.1
If I change the target in tsconfig.json form es5 to es6, everything works. 如果我将tsconfig.json格式的目标从tsconfig.json更改为es6，则一切正常。 I've read in other places, however, that targeting es5 is basically standard and if you target es6 then you're in danger of not supporting older browsers. 不过，我在其他地方也读过，以es5为目标基本上是标准的，如果以es6为目标，那么就有不支持较旧浏览器的危险。 Is this still true? 这仍然是真的吗？ If it is bad practice, what is a better solution? 如果是不好的做法，什么是更好的解决方案？
1 个解决方案
解决方案1
0 已采纳 2017-11-06 16:05:38
There's an issue for exactly this on the GitHub repository. GitHub存储库上确实存在一个问题 。 One of the comments on there gives a solution that appears to have worked for a few people: 那里的评论之一提供了似乎对少数人有用的解决方案：
...solved it by adding this line to my tsconfig.json file
"lib" : ["es2015", "es2015.iterable", "dom"]"lib" : ["es2015", "es2015.iterable", "dom"]
As you suggested, targetting ES5 gives better browser support. 正如您所建议的，以ES5为目标可提供更好的浏览器支持。 Once you target ES6, you will require a browser that supports ES6, which may or not be a problem depending on your audience. 定位到ES6之后，您将需要支持ES6的浏览器，根据您的听众的不同，这可能是一个问题，也可能不是一个问题。 Personally, I would target ES5 for the higher compatibility. 我个人将ES5定位为具有更高的兼容性。
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