Vi no forum como resolver este problema, fiz o passo a passo, e ainda continua com o mesmo erro.
** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ ** 10% building modules 6/6 modules 0 activei 「wds」: Project is running at http://localhost:4200/ i 「wds」: webpack output is served from / i 「wds」: 404s will fallback to //index.html
Date: 2020-07-14T15:14:36.579Z Hash: c0e30fe26700316da52f Time: 1881ms chunk {main} main.js, main.js.map (main) 356 kB [entry] [rendered] chunk {polyfills} polyfills.js, polyfills.js.map (polyfills) 355 kB [entry] [rendered] chunk {runtime} runtime.js, runtime.js.map (runtime) 5.22 kB [entry] [rendered] chunk {styles} styles.js, styles.js.map (styles) 370 kB [entry] [rendered] chunk {vendor} vendor.js, vendor.js.map (vendor) 5.5 kB [initial] [rendered]
ERROR in node_modules/rxjs/internal/types.d.ts(81,44): error TS1005: ';' expected. node_modules/rxjs/internal/types.d.ts(81,74): error TS1005: ';' expected. node_modules/rxjs/internal/types.d.ts(81,77): error TS1109: Expression expected. node_modules/rxjs/internal/types.d.ts(82,52): error TS1005: ';' expected. node_modules/rxjs/internal/types.d.ts(82,88): error TS1005: ';' expected. node_modules/rxjs/internal/types.d.ts(82,92): error TS1109: Expression expected.
i 「wdm」: Failed to compile.