@netlify/config/lib/api/build_settings.js

Netlify config module

import { removeFalsy } from '../utils/remove_falsy.js';
// Netlify UI build settings are used as default configuration values in
// production. In local builds, we retrieve them with `getSite` (`siteInfo`)
// instead.
// This also includes UI-installed plugins.
export const addBuildSettings = function ({ defaultConfig, baseRelDir, siteInfo: { build_settings: buildSettings, plugins }, }) {
    if (buildSettings === undefined) {
        return { defaultConfig, baseRelDir };
    }
    const defaultConfigA = getDefaultConfig(buildSettings, defaultConfig, plugins);
    const baseRelDirA = getBaseRelDir(buildSettings, baseRelDir);
    return { defaultConfig: defaultConfigA, baseRelDir: baseRelDirA };
};
// From the `getSite` API response to the corresponding configuration properties
const getDefaultConfig = function ({ cmd: command, dir: publish, functions_dir: functionsDirectory, base }, { build, plugins = [], ...defaultConfig }, uiPlugins = []) {
    const siteBuild = removeFalsy({ command, publish, base });
    const functions = functionsDirectory ? { functionsDirectory, functionsDirectoryOrigin: 'ui' } : {};
    const uiPluginsA = uiPlugins.map(normalizeUiPlugin);
    const pluginsA = [...uiPluginsA, ...plugins];
    return { ...defaultConfig, build: { ...siteBuild, ...build }, plugins: pluginsA, ...functions };
};
// Make sure we know which fields we are picking from the API
const normalizeUiPlugin = function ({ package: packageName, inputs, pinned_version: pinnedVersion }) {
    return { package: packageName, inputs, pinned_version: pinnedVersion };
};
const getBaseRelDir = function ({ base_rel_dir: siteBaseRelDir }, baseRelDir = siteBaseRelDir) {
    return Boolean(baseRelDir);
};