37 lines
1.1 KiB
TypeScript
37 lines
1.1 KiB
TypeScript
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type Pending = {
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resolve: (value: unknown) => void;
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reject: (reason?: unknown) => void;
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};
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const pending = new Map<string, Pending>();
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window.addEventListener("message", (event) => {
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if (event.source !== window || event.data?.source !== "contractless-wallet") return;
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const request = pending.get(event.data.id);
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if (!request) return;
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pending.delete(event.data.id);
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if (event.data.response?.ok) request.resolve(event.data.response.result);
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else request.reject(new Error(event.data.response?.error ?? "Wallet request failed."));
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});
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const provider = Object.freeze({
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isContractless: true,
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request({ method, params }: { method: string; params?: unknown }): Promise<unknown> {
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const id = crypto.randomUUID();
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return new Promise((resolve, reject) => {
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pending.set(id, { resolve, reject });
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window.postMessage(
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{ source: "contractless-page", id, method, params },
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window.location.origin
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);
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});
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}
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});
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Object.defineProperty(window, "contractless", {
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value: provider,
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writable: false,
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configurable: false
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});
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