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Chris TateandHagege Ruben
0ad3fc7d43
- Narrow guarded array receivers while preparing callback signatures. - Cover filter, map, and join chains against Node in native builds. Fixes #472 Co-authored-by: Hagege Ruben <20857346+HagegeR@users.noreply.github.com>
35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
// @dynamic
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type Block = { type: "text"; text: string } | { type: "image"; url: string };
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type Message = { role: string; content: Block[] };
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let separators = 0;
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function separator(): string {
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separators++;
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return "|";
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}
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function render(messages: Message[]): string {
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const lastAssistant = messages.findLast((message) => message.role === "assistant");
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return lastAssistant?.content
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.filter((block) => block.type === "text")
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.map((block) => block.text)
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.join(separator()) ?? "<none>";
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}
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console.log(render([
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{ role: "assistant", content: [{ type: "text", text: "old" }] },
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{ role: "user", content: [{ type: "text", text: "ignored" }] },
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{ role: "assistant", content: [
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{ type: "text", text: "first" },
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{ type: "image", url: "skip" },
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{ type: "text", text: "second" },
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] },
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]), separators);
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console.log(render([{ role: "user", content: [{ type: "text", text: "ignored" }] }]), separators);
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function maybeLabels(present: boolean): string[] | undefined {
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return present ? ["ALPHA", "BETA"] : undefined;
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}
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console.log(maybeLabels(true)?.map((label) => label.toLowerCase()).join(",") ?? "<none>");
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console.log(maybeLabels(false)?.map((label) => label.toLowerCase()).join(",") ?? "<none>");
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