Okay reading the quickstart example from the quick start page of Angular 2,
I have certain questions about the packages.json file.
1. "start": "tsc && concurrently \"tsc -w\" \"lite-server\" ",
2. "lite": "lite-server",
3. "tsc": "tsc",
4. "tsc:w": "tsc -w"
The first line I know that it starts 2 concurrent process separately, that
is the typescript compiler in watch mode and the lite server. But can
someone explain the syntax used here ? If I am writing tsc && concurrently
why are we writing tsc again with tsc -w ? Also what is the use of lite:
lite-server and the tsc:w : tsc -w in the 2 to 4 th lines. Also whats with
the quotes in the line, they are styled weirdly.
Next why are some of the angular dependencies starting with @ while others
aren't ?
Namely,
1. dependencies": {
2. "@angular/common": "~2.1.1",
3. "@angular/compiler": "~2.1.1",
4. "@angular/core": "~2.1.1",
What is the meaning of the '@' symbol in the beginning ?
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