node_modules

4 files changed, 67 insertions, 0 deletions

diff --git a/node_modules/es5-ext/array/#/concat/implement.js b/node_modules/es5-ext/array/#/concat/implement.js
new file mode 100644
index 000000000..a5a1a4090
--- /dev/null
+++ b/node_modules/es5-ext/array/#/concat/implement.js
@@ -0,0 +1,8 @@
+"use strict";
+
+if (!require("./is-implemented")()) {
+	Object.defineProperty(Array.prototype, "concat", { value: require("./shim"),
+		configurable: true,
+enumerable: false,
+writable: true });
+}
diff --git a/node_modules/es5-ext/array/#/concat/index.js b/node_modules/es5-ext/array/#/concat/index.js
new file mode 100644
index 000000000..8bbb7bc19
--- /dev/null
+++ b/node_modules/es5-ext/array/#/concat/index.js
@@ -0,0 +1,4 @@
+"use strict";
+
+module.exports = require("./is-implemented")()
+		? Array.prototype.concat : require("./shim");
diff --git a/node_modules/es5-ext/array/#/concat/is-implemented.js b/node_modules/es5-ext/array/#/concat/is-implemented.js
new file mode 100644
index 000000000..2a3a9fc60
--- /dev/null
+++ b/node_modules/es5-ext/array/#/concat/is-implemented.js
@@ -0,0 +1,7 @@
+"use strict";
+
+var SubArray = require("../../_sub-array-dummy-safe");
+
+module.exports = function () {
+	return (new SubArray()).concat("foo") instanceof SubArray;
+};
diff --git a/node_modules/es5-ext/array/#/concat/shim.js b/node_modules/es5-ext/array/#/concat/shim.js
new file mode 100644
index 000000000..5158dde52
--- /dev/null
+++ b/node_modules/es5-ext/array/#/concat/shim.js
@@ -0,0 +1,48 @@
+"use strict";
+
+var isPlainArray       = require("../../is-plain-array")
+  , toPosInt           = require("../../../number/to-pos-integer")
+  , isObject           = require("../../../object/is-object")
+  , isConcatSpreadable = require("es6-symbol").isConcatSpreadable
+  , isArray            = Array.isArray
+  , concat             = Array.prototype.concat
+  , forEach            = Array.prototype.forEach
+  , isSpreadable;
+
+isSpreadable = function (value) {
+	if (!value) return false;
+	if (!isObject(value)) return false;
+	if (value[isConcatSpreadable] !== undefined) {
+		return Boolean(value[isConcatSpreadable]);
+	}
+	return isArray(value);
+};
+
+// eslint-disable-next-line no-unused-vars
+module.exports = function (item /*, …items*/) {
+	var result;
+	if (!this || !isArray(this) || isPlainArray(this)) {
+		return concat.apply(this, arguments);
+	}
+	result = new this.constructor();
+	if (isSpreadable(this)) {
+		forEach.call(this, function (val, i) {
+			result[i] = val;
+		});
+	} else {
+		result[0] = this;
+	}
+	forEach.call(arguments, function (arg) {
+		var base;
+		if (isSpreadable(arg)) {
+			base = result.length;
+			result.length += toPosInt(arg.length);
+			forEach.call(arg, function (val, i) {
+				result[base + i] = val;
+			});
+			return;
+		}
+		result.push(arg);
+	});
+	return result;
+};