first commit

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

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+'use strict';
+
+const Assert = require('./assert');
+
+
+const internals = {};
+
+
+module.exports = function (obj, chain, options) {
+
+    if (chain === false ||
+        chain === null ||
+        chain === undefined) {
+
+        return obj;
+    }
+
+    options = options || {};
+    if (typeof options === 'string') {
+        options = { separator: options };
+    }
+
+    const isChainArray = Array.isArray(chain);
+
+    Assert(!isChainArray || !options.separator, 'Separator option is not valid for array-based chain');
+
+    const path = isChainArray ? chain : chain.split(options.separator || '.');
+    let ref = obj;
+    for (let i = 0; i < path.length; ++i) {
+        let key = path[i];
+        const type = options.iterables && internals.iterables(ref);
+
+        if (Array.isArray(ref) ||
+            type === 'set') {
+
+            const number = Number(key);
+            if (Number.isInteger(number)) {
+                key = number < 0 ? ref.length + number : number;
+            }
+        }
+
+        if (!ref ||
+            typeof ref === 'function' && options.functions === false ||         // Defaults to true
+            !type && ref[key] === undefined) {
+
+            Assert(!options.strict || i + 1 === path.length, 'Missing segment', key, 'in reach path ', chain);
+            Assert(typeof ref === 'object' || options.functions === true || typeof ref !== 'function', 'Invalid segment', key, 'in reach path ', chain);
+            ref = options.default;
+            break;
+        }
+
+        if (!type) {
+            ref = ref[key];
+        }
+        else if (type === 'set') {
+            ref = [...ref][key];
+        }
+        else {  // type === 'map'
+            ref = ref.get(key);
+        }
+    }
+
+    return ref;
+};
+
+
+internals.iterables = function (ref) {
+
+    if (ref instanceof Set) {
+        return 'set';
+    }
+
+    if (ref instanceof Map) {
+        return 'map';
+    }
+};