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feat: support allow_false for default filter, see #435

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Harttle
2022-01-02 16:31:21 +08:00
committed by Harttle
parent e94e386c46
commit c756191f49
4 changed files with 49 additions and 5 deletions
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src/builtin/filters/object.ts
+8 -5
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@@ -2,10 +2,13 @@ import { isFalsy } from '../../render/boolean'
import { isArray, isString, toValue } from '../../util/underscore'
import { FilterImpl } from '../../template/filter/filter-impl'
export function Default<T1, T2> (this: FilterImpl, v: string | T1, arg: T2): string | T1 | T2 {
if (isArray(v) || isString(v)) return v.length ? v : arg
return isFalsy(toValue(v), this.context) ? arg : v
export function Default<T1 extends boolean, T2> (this: FilterImpl, value: T1, defaultValue: T2, ...args: Array<[string, any]>): T1 | T2 {
if (isArray(value) || isString(value)) return value.length ? value : defaultValue
value = toValue(value)
if (value === false && (new Map(args)).get('allow_false')) return false as T1
return isFalsy(value, this.context) ? defaultValue : value
}
export function json (v: any) {
return JSON.stringify(v)
export function json (value: any) {
return JSON.stringify(value)
}