first commit

build/node_modules/dot-prop/index.js

@@ -0,0 +1,111 @@
+'use strict';
+var isObj = require('is-obj');
+
+module.exports.get = function (obj, path) {
+	if (!isObj(obj) || typeof path !== 'string') {
+		return obj;
+	}
+
+	var pathArr = getPathSegments(path);
+
+	for (var i = 0; i < pathArr.length; i++) {
+		var descriptor = Object.getOwnPropertyDescriptor(obj, pathArr[i]) || Object.getOwnPropertyDescriptor(Object.prototype, pathArr[i]);
+		if (descriptor && !descriptor.enumerable) {
+			return;
+		}
+
+		obj = obj[pathArr[i]];
+
+		if (obj === undefined || obj === null) {
+			// `obj` is either `undefined` or `null` so we want to stop the loop, and
+			// if this is not the last bit of the path, and
+			// if it did't return `undefined`
+			// it would return `null` if `obj` is `null`
+			// but we want `get({foo: null}, 'foo.bar')` to equal `undefined` not `null`
+			if (i !== pathArr.length - 1) {
+				return undefined;
+			}
+
+			break;
+		}
+	}
+
+	return obj;
+};
+
+module.exports.set = function (obj, path, value) {
+	if (!isObj(obj) || typeof path !== 'string') {
+		return;
+	}
+
+	var pathArr = getPathSegments(path);
+
+	for (var i = 0; i < pathArr.length; i++) {
+		var p = pathArr[i];
+
+		if (!isObj(obj[p])) {
+			obj[p] = {};
+		}
+
+		if (i === pathArr.length - 1) {
+			obj[p] = value;
+		}
+
+		obj = obj[p];
+	}
+};
+
+module.exports.delete = function (obj, path) {
+	if (!isObj(obj) || typeof path !== 'string') {
+		return;
+	}
+
+	var pathArr = getPathSegments(path);
+
+	for (var i = 0; i < pathArr.length; i++) {
+		var p = pathArr[i];
+
+		if (i === pathArr.length - 1) {
+			delete obj[p];
+			return;
+		}
+
+		obj = obj[p];
+	}
+};
+
+module.exports.has = function (obj, path) {
+	if (!isObj(obj) || typeof path !== 'string') {
+		return false;
+	}
+
+	var pathArr = getPathSegments(path);
+
+	for (var i = 0; i < pathArr.length; i++) {
+		obj = obj[pathArr[i]];
+
+		if (obj === undefined) {
+			return false;
+		}
+	}
+
+	return true;
+};
+
+function getPathSegments(path) {
+	var pathArr = path.split('.');
+	var parts = [];
+
+	for (var i = 0; i < pathArr.length; i++) {
+		var p = pathArr[i];
+
+		while (p[p.length - 1] === '\\' && pathArr[i + 1] !== undefined) {
+			p = p.slice(0, -1) + '.';
+			p += pathArr[++i];
+		}
+
+		parts.push(p);
+	}
+
+	return parts;
+}