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- "use strict";
- var isValue = require("type/value/is")
- , ensureValue = require("type/value/ensure")
- , ensurePlainFunction = require("type/plain-function/ensure")
- , copy = require("es5-ext/object/copy")
- , normalizeOptions = require("es5-ext/object/normalize-options")
- , map = require("es5-ext/object/map");
- var bind = Function.prototype.bind
- , defineProperty = Object.defineProperty
- , hasOwnProperty = Object.prototype.hasOwnProperty
- , define;
- define = function (name, desc, options) {
- var value = ensureValue(desc) && ensurePlainFunction(desc.value), dgs;
- dgs = copy(desc);
- delete dgs.writable;
- delete dgs.value;
- dgs.get = function () {
- if (!options.overwriteDefinition && hasOwnProperty.call(this, name)) return value;
- desc.value = bind.call(value, options.resolveContext ? options.resolveContext(this) : this);
- defineProperty(this, name, desc);
- return this[name];
- };
- return dgs;
- };
- module.exports = function (props/*, options*/) {
- var options = normalizeOptions(arguments[1]);
- if (isValue(options.resolveContext)) ensurePlainFunction(options.resolveContext);
- return map(props, function (desc, name) { return define(name, desc, options); });
- };
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