First attempt at new CLI

This commit is contained in:
Ozzie Gooen 2022-06-17 21:45:58 -07:00
parent 5d47065adf
commit 930c6ef474
5 changed files with 153 additions and 0 deletions

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## Artifacts
*.swp
/node_modules/
yarn-error.log

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packages/cli/README.md Normal file
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## Squiggle CLI
This package can be used to incorporate a very simple `import` system into Squiggle.
To use, write special files with a ``.squiggleU`` file type. In these files, you can write lines like,
```
@import(models/gdp_over_time.squiggle, gdpOverTime)
gdpOverTime(2.5)
```
The imports will be replaced with the contents of the file in `models/gdp_over_time.squiggle` upon compilation. The ``.squiggleU`` file will be converted into a ``.squiggle`` file with the ``import`` statement having this replacement.
## Running
### `npx squiggle-cli-experimental compile`
Runs compilation in the current directory and all of its subdirectories.
### `npx squiggle-cli-experimental watch`
Watches ``.squiggleU`` files in the current directory (and subdirectories) and rebuilds them when they are saved. Note that this will *not* rebuild files when their dependencies are changed, just when they are changed directly.

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packages/cli/index.js Normal file
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#!/usr/bin/env node
import fs from "fs";
import path from "path";
import indentString from "indent-string";
import chokidar from "chokidar";
import chalk from "chalk";
import { Command } from "commander";
import glob from "glob";
function run(fileName) {
const fileContents = fs.readFileSync(fileName, "utf-8");
const regex = /\@import\(\s*([^)]+?)\s*\)/g;
const matches = Array.from(fileContents.matchAll(regex)).map((r) =>
r[1].split(/\s*,\s*/)
);
const newContent = fileContents.replaceAll(regex, "");
const appendings = [];
matches.forEach((r) => {
const importFileName = r[0];
const rename = r[1];
const item = fs.statSync(importFileName);
if (item.isFile()) {
const data = fs.readFileSync(
importFileName,
{ encoding: "utf8" },
function (err, _data) {
if (err) {
console.log(`Error importing ${importFileName}: `, err);
return false;
}
return _data;
}
);
if (data) {
let importString = `${rename} = {\n${indentString(data, 2)}\n}`;
appendings.push(importString);
}
} else {
console.log(
chalk.red(`Import Error`) +
`: ` +
chalk.cyan(importFileName) +
` not found in file ` +
chalk.cyan(fileName) +
`. Make sure the @import file names all exist in this repo.`
);
}
});
const imports = appendings.join("\n");
const newerContent = imports.concat(newContent);
const parsedPath = path.parse(fileName)
const newFilename = parsedPath.dir + "/" + parsedPath.name + ".squiggle";
fs.writeFileSync(newFilename, newerContent);
console.log(chalk.cyan(`Updated ${fileName} -> ${newFilename}`));
}
function compile() {
glob("**/*.squiggleU", (_err, files) => {
files.forEach(run);
});
}
function watch() {
chokidar
.watch("**.squiggleU")
.on("ready", () => console.log(chalk.green("Ready!")))
.on("change", (event, _) => {
run(event);
});
}
const program = new Command();
program
.name("squiggle-utils")
.description("CLI to transform squiggle files with @imports")
.version("0.0.1");
program
.command("watch")
.description("watch files and compile on the fly")
.action(() => {
watch();
});
program
.command("compile")
.description("compile all .squiggleU files into .squiggle files")
.action(() => {
compile();
});
program.parse();

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packages/cli/package.json Normal file
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{
"name": "squiggle-cli-experimental",
"version": "0.0.1",
"main": "index.js",
"homepage": "https://squiggle-language.com",
"author": "Quantified Uncertainty Research Institute",
"bin": "index.js",
"type": "module",
"scripts": {
"start": "node ."
},
"license": "MIT",
"dependencies": {
"chalk": "^5.0.1",
"chokidar": "^3.5.3",
"commander": "^9.3.0",
"fs": "^0.0.1-security",
"glob": "^8.0.3",
"indent-string": "^5.0.0"
}
}

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fs@^0.0.1-security:
version "0.0.1-security"
resolved "https://registry.yarnpkg.com/fs/-/fs-0.0.1-security.tgz#8a7bd37186b6dddf3813f23858b57ecaaf5e41d4"
integrity sha512-3XY9e1pP0CVEUCdj5BmfIZxRBTSDycnbqhIOGec9QYtmVH2fbLpj86CFWkrNOkt/Fvty4KZG5lTglL9j/gJ87w==
fsevents@^1.2.7: fsevents@^1.2.7:
version "1.2.13" version "1.2.13"
resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.13.tgz#f325cb0455592428bcf11b383370ef70e3bfcc38" resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.13.tgz#f325cb0455592428bcf11b383370ef70e3bfcc38"
@ -10268,6 +10273,11 @@ indent-string@^4.0.0:
resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-4.0.0.tgz#624f8f4497d619b2d9768531d58f4122854d7251" resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-4.0.0.tgz#624f8f4497d619b2d9768531d58f4122854d7251"
integrity sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg== integrity sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg==
indent-string@^5.0.0:
version "5.0.0"
resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-5.0.0.tgz#4fd2980fccaf8622d14c64d694f4cf33c81951a5"
integrity sha512-m6FAo/spmsW2Ab2fU35JTYwtOKa2yAwXSwgjSv1TJzh4Mh7mC3lzAOVLBprb72XsTrgkEIsl7YrFNAiDiRhIGg==
infer-owner@^1.0.3, infer-owner@^1.0.4: infer-owner@^1.0.3, infer-owner@^1.0.4:
version "1.0.4" version "1.0.4"
resolved "https://registry.yarnpkg.com/infer-owner/-/infer-owner-1.0.4.tgz#c4cefcaa8e51051c2a40ba2ce8a3d27295af9467" resolved "https://registry.yarnpkg.com/infer-owner/-/infer-owner-1.0.4.tgz#c4cefcaa8e51051c2a40ba2ce8a3d27295af9467"