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feat: support not operator, #575

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Harttle
2023-01-03 01:34:03 +08:00
committed by Harttle
parent aafaa0b4f9
commit 3f21382d43
7 changed files with 74 additions and 33 deletions
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src/render/operator.ts
+5 -2
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@@ -1,9 +1,11 @@
import { isComparable } from '../drop/comparable'
import { Context } from '../context'
import { isFunction, toValue } from '../util'
import { isTruthy } from '../render/boolean'
import { isFalsy, isTruthy } from '../render/boolean'
export type OperatorHandler = (lhs: any, rhs: any, ctx: Context) => boolean;
export type UnaryOperatorHandler = (operand: any, ctx: Context) => boolean;
export type BinaryOperatorHandler = (lhs: any, rhs: any, ctx: Context) => boolean;
export type OperatorHandler = UnaryOperatorHandler | BinaryOperatorHandler;
export type Operators = Record<string, OperatorHandler>
export const defaultOperators: Operators = {
@@ -42,6 +44,7 @@ export const defaultOperators: Operators = {
r = toValue(r)
return l && isFunction(l.indexOf) ? l.indexOf(r) > -1 : false
},
'not': (v: any, ctx: Context) => isFalsy(toValue(v), ctx),
'and': (l: any, r: any, ctx: Context) => isTruthy(toValue(l), ctx) && isTruthy(toValue(r), ctx),
'or': (l: any, r: any, ctx: Context) => isTruthy(toValue(l), ctx) || isTruthy(toValue(r), ctx)
}