Sha256: ca907fc9eeca7dc4388227fd7686a5d94d67340931c1338046913d2176e837d1
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Size: 1.8 KB
Versions: 62
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Stored size: 1.8 KB
Contents
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
function OptionsDefaulter() {
this.defaults = {};
this.config = {};
}
module.exports = OptionsDefaulter;
function getProperty(obj, name) {
name = name.split(".");
for(var i = 0; i < name.length - 1; i++) {
obj = obj[name[i]];
if(typeof obj != "object" || !obj) return;
}
return obj[name.pop()];
}
function setProperty(obj, name, value) {
name = name.split(".");
for(var i = 0; i < name.length - 1; i++) {
if(typeof (obj[name[i]]) !== "object" || !obj[name[i]]) obj[name[i]] = {};
obj = obj[name[i]];
}
obj[name.pop()] = value;
}
function hasProperty(obj, name, value) {
name = name.split(".");
for(var i = 0; i < name.length - 1; i++) {
obj = obj[name[i]];
if(typeof obj != "object" || !obj) return false;
}
return Object.prototype.hasOwnProperty.call(obj, name.pop());
}
OptionsDefaulter.prototype.process = function(options) {
for(var name in this.defaults) {
switch(this.config[name]) {
case undefined:
if(getProperty(options, name) === undefined)
setProperty(options, name, this.defaults[name]);
break;
case "call":
setProperty(options, name, this.defaults[name].call(this, getProperty(options, name)), options);
break;
case "append":
var oldValue = getProperty(options, name);
if(!Array.isArray(oldValue)) oldValue = [];
this.defaults[name].forEach(function(item) {
oldValue.push(item);
});
setProperty(options, name, oldValue);
break;
default:
throw new Error("OptionsDefaulter cannot process " + this.config[name]);
}
}
};
OptionsDefaulter.prototype.set = function(name, config, def) {
if(arguments.length === 3) {
this.defaults[name] = def;
this.config[name] = config;
} else {
this.defaults[name] = config;
delete this.config[name];
}
}
Version data entries
62 entries across 62 versions & 1 rubygems