@expo/cli
Version:
69 lines (68 loc) • 2.51 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
parseVariadicArguments: ()=>parseVariadicArguments,
assertUnexpectedObjectKeys: ()=>assertUnexpectedObjectKeys,
assertUnexpectedVariadicFlags: ()=>assertUnexpectedVariadicFlags
});
const _errors = require("../utils/errors");
const debug = require("debug")("expo:utils:variadic");
function parseVariadicArguments(argv) {
const variadic = [];
const flags = {};
for (const arg of argv){
if (!arg.startsWith("-")) {
variadic.push(arg);
} else if (arg === "--") {
break;
} else {
flags[arg] = true;
}
}
// Everything after `--` that is not an option is passed to the underlying install command.
const extras = [];
const extraOperator = argv.indexOf("--");
if (extraOperator > -1 && argv.length > extraOperator + 1) {
const extraArgs = argv.slice(extraOperator + 1);
if (extraArgs.includes("--")) {
throw new _errors.CommandError("BAD_ARGS", "Unexpected multiple --");
}
extras.push(...extraArgs);
debug("Extra arguments: " + extras.join(", "));
}
debug(`Parsed arguments (variadic: %O, flags: %O, extra: %O)`, variadic, flags, extras);
return {
variadic,
flags,
extras
};
}
function assertUnexpectedObjectKeys(keys, obj) {
const unexpectedKeys = Object.keys(obj).filter((key)=>!keys.includes(key));
if (unexpectedKeys.length > 0) {
throw new _errors.CommandError("BAD_ARGS", `Unexpected: ${unexpectedKeys.join(", ")}`);
}
}
function assertUnexpectedVariadicFlags(expectedFlags, { extras , flags , variadic }, prefixCommand = "") {
const unexpectedFlags = Object.keys(flags).filter((key)=>!expectedFlags.includes(key));
if (unexpectedFlags.length > 0) {
const intendedFlags = Object.entries(flags).filter(([key])=>expectedFlags.includes(key)).map(([key])=>key);
const cmd = [
prefixCommand,
...variadic,
...intendedFlags,
"--",
...extras.concat(unexpectedFlags),
].join(" ");
throw new _errors.CommandError("BAD_ARGS", `Unexpected: ${unexpectedFlags.join(", ")}\nDid you mean: ${cmd.trim()}`);
}
}
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