Initial commit

1 files changed, 113 insertions, 0 deletions

diff --git a/node_modules/pify/index.js b/node_modules/pify/index.js
new file mode 100644
index 0000000..a3877e1
--- /dev/null
+++ b/node_modules/pify/index.js
@@ -0,0 +1,113 @@
+'use strict';
+
+const processFn = (fn, options, proxy, unwrapped) => function (...arguments_) {
+	const P = options.promiseModule;
+
+	return new P((resolve, reject) => {
+		if (options.multiArgs) {
+			arguments_.push((...result) => {
+				if (options.errorFirst) {
+					if (result[0]) {
+						reject(result);
+					} else {
+						result.shift();
+						resolve(result);
+					}
+				} else {
+					resolve(result);
+				}
+			});
+		} else if (options.errorFirst) {
+			arguments_.push((error, result) => {
+				if (error) {
+					reject(error);
+				} else {
+					resolve(result);
+				}
+			});
+		} else {
+			arguments_.push(resolve);
+		}
+
+		const self = this === proxy ? unwrapped : this;
+		Reflect.apply(fn, self, arguments_);
+	});
+};
+
+const filterCache = new WeakMap();
+
+module.exports = (input, options) => {
+	options = {
+		exclude: [/.+(?:Sync|Stream)$/],
+		errorFirst: true,
+		promiseModule: Promise,
+		...options
+	};
+
+	const objectType = typeof input;
+	if (!(input !== null && (objectType === 'object' || objectType === 'function'))) {
+		throw new TypeError(`Expected \`input\` to be a \`Function\` or \`Object\`, got \`${input === null ? 'null' : objectType}\``);
+	}
+
+	const filter = (target, key) => {
+		let cached = filterCache.get(target);
+
+		if (!cached) {
+			cached = {};
+			filterCache.set(target, cached);
+		}
+
+		if (key in cached) {
+			return cached[key];
+		}
+
+		const match = pattern => (typeof pattern === 'string' || typeof key === 'symbol') ? key === pattern : pattern.test(key);
+		const desc = Reflect.getOwnPropertyDescriptor(target, key);
+		const writableOrConfigurableOwn = (desc === undefined || desc.writable || desc.configurable);
+		const included = options.include ? options.include.some(match) : !options.exclude.some(match);
+		const shouldFilter = included && writableOrConfigurableOwn;
+		cached[key] = shouldFilter;
+		return shouldFilter;
+	};
+
+	const cache = new WeakMap();
+
+	const proxy = new Proxy(input, {
+		apply(target, thisArg, args) {
+			const cached = cache.get(target);
+
+			if (cached) {
+				return Reflect.apply(cached, thisArg, args);
+			}
+
+			const pified = options.excludeMain ? target : processFn(target, options, proxy, target);
+			cache.set(target, pified);
+			return Reflect.apply(pified, thisArg, args);
+		},
+
+		get(target, key) {
+			const property = target[key];
+
+			// eslint-disable-next-line no-use-extend-native/no-use-extend-native
+			if (!filter(target, key) || property === Function.prototype[key]) {
+				return property;
+			}
+
+			const cached = cache.get(property);
+
+			if (cached) {
+				return cached;
+			}
+
+			if (typeof property === 'function') {
+				const pified = processFn(property, options, proxy, target);
+				cache.set(property, pified);
+				return pified;
+			}
+
+			return property;
+		}
+	});
+
+	return proxy;
+};