Tons of Solutions Engineering work done today for the rest of the CS team! Headway, Howard Hanna, Engels, Brighton, etc. Also completed Datasnippers auth flow and worked on Anthology's script. Cloned Anthology's courses (900..) and will clone Full Story on Monday.

Scripts/node_modules/yargs/build/lib/utils/apply-extends.js

@@ -0,0 +1,59 @@
+import { YError } from '../yerror.js';
+let previouslyVisitedConfigs = [];
+let shim;
+export function applyExtends(config, cwd, mergeExtends, _shim) {
+    shim = _shim;
+    let defaultConfig = {};
+    if (Object.prototype.hasOwnProperty.call(config, 'extends')) {
+        if (typeof config.extends !== 'string')
+            return defaultConfig;
+        const isPath = /\.json|\..*rc$/.test(config.extends);
+        let pathToDefault = null;
+        if (!isPath) {
+            try {
+                pathToDefault = require.resolve(config.extends);
+            }
+            catch (_err) {
+                return config;
+            }
+        }
+        else {
+            pathToDefault = getPathToDefaultConfig(cwd, config.extends);
+        }
+        checkForCircularExtends(pathToDefault);
+        previouslyVisitedConfigs.push(pathToDefault);
+        defaultConfig = isPath
+            ? JSON.parse(shim.readFileSync(pathToDefault, 'utf8'))
+            : require(config.extends);
+        delete config.extends;
+        defaultConfig = applyExtends(defaultConfig, shim.path.dirname(pathToDefault), mergeExtends, shim);
+    }
+    previouslyVisitedConfigs = [];
+    return mergeExtends
+        ? mergeDeep(defaultConfig, config)
+        : Object.assign({}, defaultConfig, config);
+}
+function checkForCircularExtends(cfgPath) {
+    if (previouslyVisitedConfigs.indexOf(cfgPath) > -1) {
+        throw new YError(`Circular extended configurations: '${cfgPath}'.`);
+    }
+}
+function getPathToDefaultConfig(cwd, pathToExtend) {
+    return shim.path.resolve(cwd, pathToExtend);
+}
+function mergeDeep(config1, config2) {
+    const target = {};
+    function isObject(obj) {
+        return obj && typeof obj === 'object' && !Array.isArray(obj);
+    }
+    Object.assign(target, config1);
+    for (const key of Object.keys(config2)) {
+        if (isObject(config2[key]) && isObject(target[key])) {
+            target[key] = mergeDeep(config1[key], config2[key]);
+        }
+        else {
+            target[key] = config2[key];
+        }
+    }
+    return target;
+}