Schematic with multi select x-promt errors when using command line parameter: 'path ".foo" should be array'
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Mô tả
# 🐞 Bug report
### Command (mark with an `x`)
- [ ] new
- [ ] build
- [ ] serve
- [ ] test
- [ ] e2e
- [x] generate
- [x] add
- [ ] update
- [ ] lint
- [ ] xi18n
- [ ] run
- [ ] config
- [ ] help
- [ ] version
- [ ] doc
### Is this a regression?
No, it's not. Multi select prompt is just supported within angular cli > `9.0.0-rc.3`.
### Description
Creating an angular schematic that prompts the user for multiple options is possible since https://github.com/angular/angular-cli/issues/16104. The prompt works quite good now but using the command line for multi selections will cause an error:
```text
Error: Schematic input does not validate against the Schema: {"name":"paul"}
Errors:
Data path ".name" should be array.
...
```
At first I opened an issue for the docs because I thought it's just not documented: https://github.com/angular/angular/issues/33851 But after checking the implementation of the angular guard schematic which has `--implements` parameter (which works) and creating the minimal reproduction repo (see underneath), I think it's a bug somewhere in `@angular-devkit/schematics-cli`.
## 🔬 Minimal Reproduction
I created a very minimal repo for reproduction:
https://github.com/d-koppenhagen/ngx-multi-select-schematic
```bash
npm i -g @angular-devkit/schematics-cli@next
git clone git@github.com:d-koppenhagen/ngx-multi-select-schematic.git
cd ngx-multi-select-schematic
npm i
```
**✅ Using prompt works good:**
```bash
schematics .:hello --debug=false
? Which interfaces would you like to implement? (Press to select, to toggle all, <
i> to invert selection)
❯◉ hans
◉ peter
◉ paul
schematics .:hello --debug=false --name="paul, peter"
```
**❌Using command line parameter fails (event not with just a single name handed over:**
```text
schematics .:hello --debug=false --name="paul"
Error: Schematic input does not validate against the Schema: {"name":"paul"}
Errors:
Data path ".name" should be array.
at MapSubscriber.registry.compile.pipe.operators_1.map.result [as project] (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/tools/schema-option-transform.js:31:27)
at MapSubscriber._next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/operators/map.js:49:35)
at MapSubscriber.Subscriber.next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/Subscriber.js:66:18)
at ThrowIfEmptySubscriber._next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/operators/throwIfEmpty.js:44:26)
at ThrowIfEmptySubscriber.Subscriber.next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/Subscriber.js:66:18)
at TakeSubscriber._next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/operators/take.js:54:30)
at TakeSubscriber.Subscriber.next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/Subscriber.js:66:18)
at MergeMapSubscriber.notifyNext (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/operators/mergeMap.js:92:26)
at InnerSubscriber._next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/InnerSubscriber.js:28:21)
at InnerSubscriber.Subscriber.next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/Subscriber.js:66:18)
```
## 🔥 Exception or Error
```text
Error: Schematic input does not validate against the Schema: {"name":"paul"}
Errors:
Data path ".name" should be array.
at MapSubscriber.registry.compile.pipe.operators_1.map.result [as project] (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/@angular-devkit/schematics/tools/schema-option-transform.js:31:27)
at MapSubscriber._next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/operators/map.js:49:35)
at MapSubscriber.Subscriber.next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/Subscriber.js:66:18)
at ThrowIfEmptySubscriber._next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/operators/throwIfEmpty.js:44:26)
at ThrowIfEmptySubscriber.Subscriber.next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/Subscriber.js:66:18)
at TakeSubscriber._next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/operators/take.js:54:30)
at TakeSubscriber.Subscriber.next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/Subscriber.js:66:18)
at MergeMapSubscriber.notifyNext (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/operators/mergeMap.js:92:26)
at InnerSubscriber._next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/InnerSubscriber.js:28:21)
at InnerSubscriber.Subscriber.next (/usr/local/lib/node_modules/@angular-devkit/schematics-cli/node_modules/rxjs/internal/Subscriber.js:66:18)
```
## 🌍 Your Environment
ng version
_ _ ____ _ ___
/ \ _ __ __ _ _ _| | __ _ _ __ / ___| | |_ _|
/ △ \ | '_ \ / _` | | | | |/ _` | '__| | | | | | |
/ ___ \| | | | (_| | |_| | | (_| | | | |___| |___ | |
/_/ \_\_| |_|\__, |\__,_|_|\__,_|_| \____|_____|___|
|___/
Angular CLI: 9.0.0-rc.4
Node: 10.14.0
OS: darwin x64
Angular: undefined
...
Ivy Workspace: Yes
Package Version
------------------------------------------------------
@angular-devkit/architect 0.900.0-rc.4 (cli-only)
@angular-devkit/core 9.0.0-rc.4
@angular-devkit/schematics 9.0.0-rc.4
@schematics/angular 9.0.0-rc.4 (cli-only)
@schematics/update 0.900.0-rc.4 (cli-only)
rxjs 6.5.3
typescript 3.6.4
Hướng dẫn đóng góp
Hướng nghiên cứu
Bắt đầu với đường dẫn xử lý tùy chọn của schematics CLI được nêu trong stack trace, schema-option-transform.js, và tái hiện lỗi bằng repository tái hiện tối thiểu được liên kết. So sánh dữ liệu nhập từ prompt với dữ liệu nhập dòng lệnh --name cho các lựa chọn đơn và nhiều. Được xem là hoàn tất khi cả hai dạng dòng lệnh đều vượt qua bước xác thực schema mà không gặp lỗi array đã báo cáo.
Do mô hình lập chỉ mục viết ra từ nội dung của issue.
Đánh giá
- Công nghệ
- angular, typescript
- Lĩnh vực
- cli, tooling
- Loại issue
- Lỗi
- Độ khó
- 3/5
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- 35/100