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util.js
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util.js
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'use strict';
module.exports = {
idUrl: function(_, t) {
if (_.indexOf('/') == -1) t.loadID(_);
else t.loadURL(_);
},
log: function(_) {
if (typeof console === 'object' &&
typeof console.error === 'function') {
console.error(_);
}
},
strict: function(_, type) {
if (typeof _ !== type) {
throw new Error('Invalid argument: ' + type + ' expected');
}
},
strict_instance: function(_, klass, name) {
if (!(_ instanceof klass)) {
throw new Error('Invalid argument: ' + name + ' expected');
}
},
strict_oneof: function(_, values) {
if (!contains(_, values)) {
throw new Error('Invalid argument: ' + _ + ' given, valid values are ' +
values.join(', '));
}
},
strip_tags: function(_) {
return _.replace(/<[^<]+>/g, '');
},
lbounds: function(_) {
// leaflet-compatible bounds, since leaflet does not do geojson
return new L.LatLngBounds([[_[1], _[0]], [_[3], _[2]]]);
}
};
function contains(item, list) {
if (!list || !list.length) return false;
for (var i = 0; i < list.length; i++) {
if (list[i] == item) return true;
}
return false;
}