24 lines
500 B
JavaScript
24 lines
500 B
JavaScript
"use strict";
|
|
|
|
var keys = require("../keys")
|
|
, value = require("../valid-value")
|
|
, max = Math.max;
|
|
|
|
module.exports = function (dest, src /*, …srcn*/) {
|
|
var error, i, length = max(arguments.length, 2), assign;
|
|
dest = Object(value(dest));
|
|
assign = function (key) {
|
|
try {
|
|
dest[key] = src[key];
|
|
} catch (e) {
|
|
if (!error) error = e;
|
|
}
|
|
};
|
|
for (i = 1; i < length; ++i) {
|
|
src = arguments[i];
|
|
keys(src).forEach(assign);
|
|
}
|
|
if (error !== undefined) throw error;
|
|
return dest;
|
|
};
|