// Generated by CoffeeScript 1.6.3
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var object, _common,
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__hasProp = {}.hasOwnProperty;
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_common = require('./_common');
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module.exports = object = {
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isBareObject: _common.isBareObject.bind(_common),
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/*
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if object is an instance of a class
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*/
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isInstance: function(what) {
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return !this.isBareObject(what);
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},
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/*
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Alias to _common.typeOf
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*/
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typeOf: _common.typeOf.bind(_common),
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/*
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Alias to _common.clone
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*/
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clone: _common.clone.bind(_common),
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/*
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Empties an object of its properties.
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*/
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empty: function(o) {
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var prop;
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for (prop in o) {
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if (o.hasOwnProperty(prop)) {
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delete o[prop];
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}
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}
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return o;
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},
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/*
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Empties an object. Doesn't check for hasOwnProperty, so it's a tiny
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bit faster. Use it for plain objects.
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*/
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fastEmpty: function(o) {
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var property;
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for (property in o) {
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delete o[property];
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}
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return o;
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},
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/*
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Overrides values fomr `newValues` on `base`, as long as they
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already exist in base.
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*/
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overrideOnto: function(base, newValues) {
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var key, newVal, oldVal;
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if (!this.isBareObject(newValues) || !this.isBareObject(base)) {
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return base;
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}
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for (key in base) {
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oldVal = base[key];
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newVal = newValues[key];
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if (newVal === void 0) {
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continue;
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}
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if (typeof newVal !== 'object' || this.isInstance(newVal)) {
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base[key] = this.clone(newVal);
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} else {
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if (typeof oldVal !== 'object' || this.isInstance(oldVal)) {
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base[key] = this.clone(newVal);
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} else {
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this.overrideOnto(oldVal, newVal);
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}
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}
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}
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return base;
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},
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/*
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Takes a clone of 'base' and runs #overrideOnto on it
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*/
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override: function(base, newValues) {
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return this.overrideOnto(this.clone(base), newValues);
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},
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append: function(base, toAppend) {
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return this.appendOnto(this.clone(base), toAppend);
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},
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appendOnto: function(base, toAppend) {
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var key, newVal, oldVal;
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if (!this.isBareObject(toAppend) || !this.isBareObject(base)) {
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return base;
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}
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for (key in toAppend) {
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if (!__hasProp.call(toAppend, key)) continue;
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newVal = toAppend[key];
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if (newVal === void 0) {
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continue;
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}
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if (typeof newVal !== 'object' || this.isInstance(newVal)) {
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base[key] = newVal;
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} else {
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oldVal = base[key];
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if (typeof oldVal !== 'object' || this.isInstance(oldVal)) {
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base[key] = this.clone(newVal);
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} else {
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this.appendOnto(oldVal, newVal);
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}
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}
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}
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return base;
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},
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groupProps: function(obj, groups) {
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var def, defs, grouped, key, name, shouldAdd, val, _i, _len;
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grouped = {};
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for (name in groups) {
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defs = groups[name];
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grouped[name] = {};
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}
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grouped['rest'] = {};
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top: //;
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for (key in obj) {
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val = obj[key];
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shouldAdd = false;
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for (name in groups) {
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defs = groups[name];
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if (!Array.isArray(defs)) {
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defs = [defs];
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}
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for (_i = 0, _len = defs.length; _i < _len; _i++) {
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def = defs[_i];
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if (typeof def === 'string') {
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if (key === def) {
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shouldAdd = true;
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}
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} else if (def instanceof RegExp) {
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if (def.test(key)) {
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shouldAdd = true;
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}
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} else if (def instanceof Function) {
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if (def(key)) {
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shouldAdd = true;
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}
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} else {
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throw Error('Group definitions must either\
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be strings, regexes, or functions.');
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}
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if (shouldAdd) {
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grouped[name][key] = val;
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continue top;
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}
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}
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}
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grouped['rest'][key] = val;
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}
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return grouped;
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}
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};
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