32 lines
785 B
TypeScript
32 lines
785 B
TypeScript
export const FLAG_TERMINATOR = "--";
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const ROOT_BOOLEAN_FLAGS = new Set(["--dev", "--no-color"]);
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const ROOT_VALUE_FLAGS = new Set(["--profile", "--log-level"]);
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export function isValueToken(arg: string | undefined): boolean {
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if (!arg || arg === FLAG_TERMINATOR) {
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return false;
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}
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if (!arg.startsWith("-")) {
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return true;
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}
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return /^-\d+(?:\.\d+)?$/.test(arg);
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}
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export function consumeRootOptionToken(args: ReadonlyArray<string>, index: number): number {
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const arg = args[index];
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if (!arg) {
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return 0;
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}
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if (ROOT_BOOLEAN_FLAGS.has(arg)) {
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return 1;
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}
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if (arg.startsWith("--profile=") || arg.startsWith("--log-level=")) {
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return 1;
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}
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if (ROOT_VALUE_FLAGS.has(arg)) {
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return isValueToken(args[index + 1]) ? 2 : 1;
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}
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return 0;
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}
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