diff options
author | Florian Dold <florian.dold@gmail.com> | 2016-11-14 00:57:29 +0100 |
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committer | Florian Dold <florian.dold@gmail.com> | 2016-11-14 00:57:29 +0100 |
commit | dca6d303c1d15d49305f538dd62df7a65cdfcc38 (patch) | |
tree | ac820902e91eb32b0b33f9cf5a1850c4079674dc /src/checkable.ts | |
parent | 48bac7d4a9d2846b0309dab0fb92e1c36f854a92 (diff) |
add validators to checkable classes
Diffstat (limited to 'src/checkable.ts')
-rw-r--r-- | src/checkable.ts | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/checkable.ts b/src/checkable.ts index 89d0c7150..b6ef49fac 100644 --- a/src/checkable.ts +++ b/src/checkable.ts @@ -156,6 +156,25 @@ export namespace Checkable { } + export function ClassWithValidator(target: any) { + target.checked = (v: any) => { + let cv = checkValue(v, { + propertyKey: "(root)", + type: target, + checker: checkValue + }, ["(root)"]); + let instance = new target(); + if (typeof instance.validate !== "function") { + throw Error("invalid Checkable annotion: validate method required"); + } + // May throw exception + instance.validate.call(cv); + return cv; + }; + return target; + } + + export function Value(type: any) { if (!type) { throw Error("Type does not exist yet (wrong order of definitions?)"); @@ -259,4 +278,4 @@ export namespace Checkable { } return chk; } -}
\ No newline at end of file +} |