in github-projects/map-labels/index.ts [100:122]
function verifyExpectedArgs(args: ActionArgs): asserts args is {
owner: string;
projectNumber: number;
issueNumber: number[];
githubToken: string;
all: boolean;
mapping: string;
dryRun: boolean;
repo?: string;
} {
if (!args.owner) {
throw new Error('Owner from context or args cannot be inferred, but is required');
}
if (!args.projectNumber) {
throw new Error('Project number is required for a single issue update');
}
if (!args.githubToken) {
throw new Error('GitHub token is required for authentication');
}
if (args.issueNumber?.length && args.all) {
throw new Error('Either "issueNumber" or "all" should be specified at once');
}
}