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app_vue/node_modules/joi/lib/values.js

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+'use strict';
+
+const Assert = require('@hapi/hoek/lib/assert');
+const DeepEqual = require('@hapi/hoek/lib/deepEqual');
+
+const Common = require('./common');
+
+
+const internals = {};
+
+
+module.exports = internals.Values = class {
+
+    constructor(values, refs) {
+
+        this._values = new Set(values);
+        this._refs = new Set(refs);
+        this._lowercase = internals.lowercases(values);
+
+        this._override = false;
+    }
+
+    get length() {
+
+        return this._values.size + this._refs.size;
+    }
+
+    add(value, refs) {
+
+        // Reference
+
+        if (Common.isResolvable(value)) {
+            if (!this._refs.has(value)) {
+                this._refs.add(value);
+
+                if (refs) {                     // Skipped in a merge
+                    refs.register(value);
+                }
+            }
+
+            return;
+        }
+
+        // Value
+
+        if (!this.has(value, null, null, false)) {
+            this._values.add(value);
+
+            if (typeof value === 'string') {
+                this._lowercase.set(value.toLowerCase(), value);
+            }
+        }
+    }
+
+    static merge(target, source, remove) {
+
+        target = target || new internals.Values();
+
+        if (source) {
+            if (source._override) {
+                return source.clone();
+            }
+
+            for (const item of [...source._values, ...source._refs]) {
+                target.add(item);
+            }
+        }
+
+        if (remove) {
+            for (const item of [...remove._values, ...remove._refs]) {
+                target.remove(item);
+            }
+        }
+
+        return target.length ? target : null;
+    }
+
+    remove(value) {
+
+        // Reference
+
+        if (Common.isResolvable(value)) {
+            this._refs.delete(value);
+            return;
+        }
+
+        // Value
+
+        this._values.delete(value);
+
+        if (typeof value === 'string') {
+            this._lowercase.delete(value.toLowerCase());
+        }
+    }
+
+    has(value, state, prefs, insensitive) {
+
+        return !!this.get(value, state, prefs, insensitive);
+    }
+
+    get(value, state, prefs, insensitive) {
+
+        if (!this.length) {
+            return false;
+        }
+
+        // Simple match
+
+        if (this._values.has(value)) {
+            return { value };
+        }
+
+        // Case insensitive string match
+
+        if (typeof value === 'string' &&
+            value &&
+            insensitive) {
+
+            const found = this._lowercase.get(value.toLowerCase());
+            if (found) {
+                return { value: found };
+            }
+        }
+
+        if (!this._refs.size &&
+            typeof value !== 'object') {
+
+            return false;
+        }
+
+        // Objects
+
+        if (typeof value === 'object') {
+            for (const item of this._values) {
+                if (DeepEqual(item, value)) {
+                    return { value: item };
+                }
+            }
+        }
+
+        // References
+
+        if (state) {
+            for (const ref of this._refs) {
+                const resolved = ref.resolve(value, state, prefs, null, { in: true });
+                if (resolved === undefined) {
+                    continue;
+                }
+
+                const items = !ref.in || typeof resolved !== 'object'
+                    ? [resolved]
+                    : Array.isArray(resolved) ? resolved : Object.keys(resolved);
+
+                for (const item of items) {
+                    if (typeof item !== typeof value) {
+                        continue;
+                    }
+
+                    if (insensitive &&
+                        value &&
+                        typeof value === 'string') {
+
+                        if (item.toLowerCase() === value.toLowerCase()) {
+                            return { value: item, ref };
+                        }
+                    }
+                    else {
+                        if (DeepEqual(item, value)) {
+                            return { value: item, ref };
+                        }
+                    }
+                }
+            }
+        }
+
+        return false;
+    }
+
+    override() {
+
+        this._override = true;
+    }
+
+    values(options) {
+
+        if (options &&
+            options.display) {
+
+            const values = [];
+
+            for (const item of [...this._values, ...this._refs]) {
+                if (item !== undefined) {
+                    values.push(item);
+                }
+            }
+
+            return values;
+        }
+
+        return Array.from([...this._values, ...this._refs]);
+    }
+
+    clone() {
+
+        const set = new internals.Values(this._values, this._refs);
+        set._override = this._override;
+        return set;
+    }
+
+    concat(source) {
+
+        Assert(!source._override, 'Cannot concat override set of values');
+
+        const set = new internals.Values([...this._values, ...source._values], [...this._refs, ...source._refs]);
+        set._override = this._override;
+        return set;
+    }
+
+    describe() {
+
+        const normalized = [];
+
+        if (this._override) {
+            normalized.push({ override: true });
+        }
+
+        for (const value of this._values.values()) {
+            normalized.push(value && typeof value === 'object' ? { value } : value);
+        }
+
+        for (const value of this._refs.values()) {
+            normalized.push(value.describe());
+        }
+
+        return normalized;
+    }
+};
+
+
+internals.Values.prototype[Common.symbols.values] = true;
+
+
+// Aliases
+
+internals.Values.prototype.slice = internals.Values.prototype.clone;
+
+
+// Helpers
+
+internals.lowercases = function (from) {
+
+    const map = new Map();
+
+    if (from) {
+        for (const value of from) {
+            if (typeof value === 'string') {
+                map.set(value.toLowerCase(), value);
+            }
+        }
+    }
+
+    return map;
+};