squiggle/packages/squiggle-lang/scripts/run-file.mjs

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#!/usr/bin/env node
import { SqProject } from "@quri/squiggle-lang";
import fs from "fs";
import { Command } from "commander";
const measure = (cb, times = 1) => {
const t1 = new Date();
for (let i = 1; i <= times; i++) {
cb();
}
const t2 = new Date();
return (t2 - t1) / 1000;
};
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const red = (str) => `\x1b[31m${str}\x1b[0m`;
const green = (str) => `\x1b[32m${str}\x1b[0m`;
const program = new Command();
program.option("-o, --output");
program.arguments("<string>");
const options = program.parse(process.argv);
const project = SqProject.create();
const sampleCount = process.env.SAMPLE_COUNT;
if (sampleCount) {
project.setEnvironment({
sampleCount: Number(sampleCount),
xyPointLength: Number(sampleCount),
});
}
const src = fs.readFileSync(program.args[0], "utf-8");
if (!src) {
throw new Error("Expected src");
}
project.setSource("main", src);
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const time = measure(() => project.run("main"));
const bindings = project.getBindings("main");
const result = project.getResult("main");
if (options.output) {
console.log("Result:", result.tag, result.value.toString());
console.log("Bindings:", bindings.toString());
}
console.log(
"Time:",
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String(time),
result.tag === "Error" ? red(result.tag) : green(result.tag),
result.tag === "Error" ? result.value.toString() : ""
);