worker/node_modules/sharp/install/check.js

// Copyright 2013 Lovell Fuller and others.
// SPDX-License-Identifier: Apache-2.0

'use strict';

try {
  const { useGlobalLibvips, globalLibvipsVersion, log, spawnRebuild } = require('../lib/libvips');

  const buildFromSource = (msg) => {
    log(msg);
    log('Attempting to build from source via node-gyp');
    try {
      const addonApi = require('node-addon-api');
      log(`Found node-addon-api ${addonApi.version || ''}`);
    } catch (err) {
      log('Please add node-addon-api to your dependencies');
      return;
    }
    try {
      const gyp = require('node-gyp');
      log(`Found node-gyp ${gyp().version}`);
    } catch (err) {
      log('Please add node-gyp to your dependencies');
      return;
    }
    log('See https://sharp.pixelplumbing.com/install#building-from-source');
    const status = spawnRebuild();
    if (status !== 0) {
      process.exit(status);
    }
  };

  if (useGlobalLibvips(log)) {
    buildFromSource(`Detected globally-installed libvips v${globalLibvipsVersion()}`);
  } else if (process.env.npm_config_build_from_source) {
    buildFromSource('Detected --build-from-source flag');
  }
} catch (err) {
  const summary = err.message.split(/\n/).slice(0, 1);
  console.log(`sharp: skipping install check: ${summary}`);
}