in powerbi-visual-builder/src_extension/builder.ts [144:159]
public getFileName(properties: { [name: string]: any }) {
if (properties.visualName) {
// Make sure filename doesn't contain illegal chars
const filename = properties.visualName
.replace(/[/\\?%*:|"<>]/g, "-")
.trim();
if (filename != "") {
return filename + ".pbiviz";
} else {
// In case the user put nothing in filename
return "charticulator.pbiviz";
}
} else {
return "charticulator.pbiviz";
}
}