src/Resource.js
function setExtMap(map, extname, val) {
    if (extname && extname.indexOf('.') === 0) {
        extname = extname.substring(1);
    }

    if (!extname) {
        return;
    }

    map[extname] = val;
}
function setExtMap(map, extname, val) {
    if (extname && extname.indexOf('.') === 0) {
        extname = extname.substring(1);
    }

    if (!extname) {
        return;
    }

    map[extname] = val;
}
function setExtMap ( map , extname , val ) { if ( extname && extname . indexOf ( '.' ) === 0 ) { extname = extname . substring ( 1 ) ; } if ( ! extname ) { return ; } map [ extname ] = val ; }
Quick helper to set a value on one of the extension maps. Ensures there is no
dot at the start of the extension.

@ignore
@param {object} map - The map to set on.
@param {string} extname - The extension (or key) to set.
@param {number} val - The value to set.
Quick helper to set a value on one of the extension maps . Ensures there is no dot at the start of the extension .