64 lines
1.4 KiB
JavaScript
64 lines
1.4 KiB
JavaScript
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'use strict';
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var assign = require('es5-ext/object/assign')
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, normalizeOpts = require('es5-ext/object/normalize-options')
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, isCallable = require('es5-ext/object/is-callable')
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, contains = require('es5-ext/string/#/contains')
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, d;
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d = module.exports = function (dscr, value/*, options*/) {
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var c, e, w, options, desc;
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if ((arguments.length < 2) || (typeof dscr !== 'string')) {
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options = value;
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value = dscr;
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dscr = null;
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} else {
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options = arguments[2];
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}
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if (dscr == null) {
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c = w = true;
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e = false;
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} else {
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c = contains.call(dscr, 'c');
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e = contains.call(dscr, 'e');
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w = contains.call(dscr, 'w');
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}
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desc = { value: value, configurable: c, enumerable: e, writable: w };
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return !options ? desc : assign(normalizeOpts(options), desc);
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};
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d.gs = function (dscr, get, set/*, options*/) {
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var c, e, options, desc;
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if (typeof dscr !== 'string') {
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options = set;
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set = get;
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get = dscr;
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dscr = null;
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} else {
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options = arguments[3];
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}
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if (get == null) {
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get = undefined;
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} else if (!isCallable(get)) {
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options = get;
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get = set = undefined;
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} else if (set == null) {
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set = undefined;
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} else if (!isCallable(set)) {
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options = set;
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set = undefined;
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}
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if (dscr == null) {
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c = true;
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e = false;
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} else {
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c = contains.call(dscr, 'c');
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e = contains.call(dscr, 'e');
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}
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desc = { get: get, set: set, configurable: c, enumerable: e };
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return !options ? desc : assign(normalizeOpts(options), desc);
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};
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