NodeJS script to fix include paths in Angular JSON

fix-sass-include-paths.cjs

#!/usr/bin/env node
/* eslint-env node */

const process = require("process");
const fs = require("fs");

const args = process.argv.slice(2);
if (args.length !== 1) {
  console.error("Please pass in path to angular.json file");
  process.exit(1);
}

const pathToAngularJson = args[0];
let content = fs.readFileSync(pathToAngularJson, { encoding: "utf8" });
content = JSON.parse(content);

Object.keys(content.projects).forEach((projectName) => {
  const project = content.projects[projectName];

  ["build", "test"].forEach((buildType) => {
    /** @type {string[]} */
    let sassOptions = [];
    try {
      sassOptions =
        project.architect[buildType].options.stylePreprocessorOptions
          .includePaths;
    } catch (err) {
      console.warn(
        `Cannot find "stylePreprocessorOptions" for ${projectName}.architect.${buildType}`
      );
      return;
    }

    if (sassOptions.length === 0) {
      console.info(
        `Nothing to update for ${projectName}.architect.${buildType}`
      );
      return;
    }

    console.info(`Updating ${projectName}.architect.${buildType}`);

    /** @type {string[]} */
    const addPathList = [project.root, `${project.root}/node_modules`];

    addPathList.reverse().forEach((addPath) => {
      if (!sassOptions.includes(addPath)) {
        sassOptions.unshift(addPath);
      }
    });

    project.architect[buildType].options.stylePreprocessorOptions.includePaths =
      sassOptions;
  });
});

fs.writeFileSync(pathToAngularJson, JSON.stringify(content, null, 4), {
  encoding: "utf8",
});