evalite/dist/utils.js

Test your LLM-powered apps with a TypeScript-native, Vitest-based eval runner. No API key required.

import { fileTypeFromBuffer } from "file-type";
import path from "path";
export const sum = (arr, fn) => {
    return arr.reduce((a, b) => a + (fn(b) || 0), 0);
};
export const average = (arr, fn) => {
    return sum(arr, fn) / arr.length;
};
export const createEvaliteFileIfNeeded = async (opts) => {
    if (!(opts.input instanceof Uint8Array)) {
        return opts.input;
    }
    const { createHash } = await import("node:crypto");
    const hash = createHash("sha256").update(opts.input).digest("hex");
    const result = await fileTypeFromBuffer(opts.input);
    if (!result) {
        throw new Error(`Cannot determine file type of buffer passed in.`);
    }
    const extension = result.ext;
    const fileName = `${hash}.${extension}`;
    const filePath = path.join(opts.rootDir, fileName);
    const { writeFile } = await import("node:fs/promises");
    await writeFile(filePath, opts.input);
    return EvaliteFile.fromPath(filePath);
};
export const max = (arr, fn) => {
    return arr.reduce((a, b) => Math.max(a, fn(b) || 0), 0);
};
const isEvaliteFile = (file) => {
    return (typeof file === "object" &&
        file !== null &&
        "__EvaliteFile" in file &&
        file.__EvaliteFile === true);
};
export const EvaliteFile = {
    fromPath: (path) => {
        return {
            __EvaliteFile: true,
            path,
        };
    },
    isEvaliteFile: isEvaliteFile,
};
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