/
FieldsStore.ts
58 lines (48 loc) · 1.73 KB
/
FieldsStore.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
import { assert } from './assert';
import { EventEmitter } from './EventEmitter';
import { Field } from './Field';
export enum FieldEvent {
Added = 'FIELD_ADDED',
Removed = 'FIELD_REMOVED'
}
export class FieldsStore extends EventEmitter<[Field | string], void> {
readonly fields = new Array<Field>();
getField(fieldName: string) {
const fields = this.fields.filter(_field => _field.name === fieldName);
//assert(fields.length === 1, `Unknown field '${fieldName}'`);
return fields.length === 1 ? fields[0] : undefined;
}
addField(fieldName: string) {
const fields = this.fields.filter(_field => _field.name === fieldName);
assert(
fields.length === 0 || fields.length === 1,
`Cannot have more than 1 field matching '${fieldName}'`
);
if (fields.length === 0) {
const newField = new Field(fieldName);
this.fields.push(newField);
this.emitSync(FieldEvent.Added, newField);
} else {
// We can have multiple FieldFeedbacks for the same field,
// thus addField() can be called multiple times
}
}
removeField(fieldName: string) {
// eslint-disable-next-line unicorn/prefer-array-find
const fields = this.fields.filter(_field => _field.name === fieldName);
// We can have multiple FieldFeedbacks for the same field,
// thus removeField() can be called multiple times
//assert(fields.length === 1, `Unknown field '${fieldName}'`);
const index = this.fields.indexOf(fields[0]);
if (index > -1) {
this.fields.splice(index, 1);
this.emitSync(FieldEvent.Removed, fieldName);
}
}
isValid() {
return this.fields.every(field => field.isValid());
}
hasFeedbacks() {
return this.fields.some(field => field.hasFeedbacks());
}
}