first commit

app_vue/node_modules/@hapi/hoek/lib/merge.js

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+'use strict';
+
+const Assert = require('./assert');
+const Clone = require('./clone');
+const Utils = require('./utils');
+
+
+const internals = {};
+
+
+module.exports = internals.merge = function (target, source, options) {
+
+    Assert(target && typeof target === 'object', 'Invalid target value: must be an object');
+    Assert(source === null || source === undefined || typeof source === 'object', 'Invalid source value: must be null, undefined, or an object');
+
+    if (!source) {
+        return target;
+    }
+
+    options = Object.assign({ nullOverride: true, mergeArrays: true }, options);
+
+    if (Array.isArray(source)) {
+        Assert(Array.isArray(target), 'Cannot merge array onto an object');
+        if (!options.mergeArrays) {
+            target.length = 0;                                                          // Must not change target assignment
+        }
+
+        for (let i = 0; i < source.length; ++i) {
+            target.push(Clone(source[i], { symbols: options.symbols }));
+        }
+
+        return target;
+    }
+
+    const keys = Utils.keys(source, options);
+    for (let i = 0; i < keys.length; ++i) {
+        const key = keys[i];
+        if (key === '__proto__' ||
+            !Object.prototype.propertyIsEnumerable.call(source, key)) {
+
+            continue;
+        }
+
+        const value = source[key];
+        if (value &&
+            typeof value === 'object') {
+
+            if (target[key] === value) {
+                continue;                                           // Can occur for shallow merges
+            }
+
+            if (!target[key] ||
+                typeof target[key] !== 'object' ||
+                (Array.isArray(target[key]) !== Array.isArray(value)) ||
+                value instanceof Date ||
+                (Buffer && Buffer.isBuffer(value)) ||               // $lab:coverage:ignore$
+                value instanceof RegExp) {
+
+                target[key] = Clone(value, { symbols: options.symbols });
+            }
+            else {
+                internals.merge(target[key], value, options);
+            }
+        }
+        else {
+            if (value !== null &&
+                value !== undefined) {                              // Explicit to preserve empty strings
+
+                target[key] = value;
+            }
+            else if (options.nullOverride) {
+                target[key] = value;
+            }
+        }
+    }
+
+    return target;
+};