diff options
Diffstat (limited to 'src/eval.ts')
| -rw-r--r-- | src/eval.ts | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/src/eval.ts b/src/eval.ts index 8aeaf09..9f053c2 100644 --- a/src/eval.ts +++ b/src/eval.ts @@ -9,7 +9,15 @@ export interface EvalActions { loadCssx(id: string, url: string): Promise<string> getVariable(name: string): Promise<string | undefined> updateVariable(id: string, varName: string, value: string): Promise<void> - setAttribute(name: string, value: string): Promise<void> + getAttribute( + id: string | undefined, + name: string, + ): Promise<string | undefined> + setAttribute( + id: string | undefined, + name: string, + value: string, + ): Promise<void> withEvent(fn: (e: any) => void): Promise<void> getFormData(): Promise<FormData | undefined> sendRequest(_: { @@ -88,10 +96,21 @@ const getFunctions = (name: string, args: Expr[], actions: EvalActions) => }, 'set-attr': async () => { - const name = await evalExpr(args[0], actions) - const value = await evalExpr(args[1], actions) - if (name && value) { - actions.setAttribute(name, value) + const [id, name, value] = + args.length >= 3 + ? await evalArgs(args, 3, actions) + : [undefined, ...(await evalArgs(args, 2, actions))] + if (name) { + actions.setAttribute(id as string | undefined, name, value ?? '') + } + }, + attr: async () => { + const [id, name] = + args.length >= 2 + ? await evalArgs(args, 2, actions) + : [undefined, await evalExpr(args[0], actions)] + if (name) { + return actions.getAttribute(id as string | undefined, name) } }, 'prevent-default': async () => actions.withEvent(e => e.preventDefault()), @@ -108,3 +127,9 @@ const getFunctions = (name: string, args: Expr[], actions: EvalActions) => _: () => Promise.reject(new Error('not supposed to be here')), }) + +export const evalArgs = ( + args: Array<Expr>, + count: number, + actions: EvalActions, +) => Promise.all(args.slice(0, count).map(e => evalExpr(e, actions))) |