mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-25 09:55:15 +00:00
66 lines
2.7 KiB
JavaScript
66 lines
2.7 KiB
JavaScript
|
"use strict";
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
exports.argsert = void 0;
|
||
|
|
const yerror_1 = require("./yerror");
|
||
|
|
const parse_command_1 = require("./parse-command");
|
||
|
|
const positionName = ['first', 'second', 'third', 'fourth', 'fifth', 'sixth'];
|
||
|
|
function argsert(arg1, arg2, arg3) {
|
||
|
|
function parseArgs() {
|
||
|
|
return typeof arg1 === 'object'
|
||
|
|
? [{ demanded: [], optional: [] }, arg1, arg2]
|
||
|
|
: [parse_command_1.parseCommand(`cmd ${arg1}`), arg2, arg3];
|
||
|
|
}
|
||
|
|
// TODO: should this eventually raise an exception.
|
||
|
|
try {
|
||
|
|
// preface the argument description with "cmd", so
|
||
|
|
// that we can run it through yargs' command parser.
|
||
|
|
let position = 0;
|
||
|
|
let [parsed, callerArguments, length] = parseArgs();
|
||
|
|
const args = [].slice.call(callerArguments);
|
||
|
|
while (args.length && args[args.length - 1] === undefined)
|
||
|
|
args.pop();
|
||
|
|
length = length || args.length;
|
||
|
|
if (length < parsed.demanded.length) {
|
||
|
|
throw new yerror_1.YError(`Not enough arguments provided. Expected ${parsed.demanded.length} but received ${args.length}.`);
|
||
|
|
}
|
||
|
|
const totalCommands = parsed.demanded.length + parsed.optional.length;
|
||
|
|
if (length > totalCommands) {
|
||
|
|
throw new yerror_1.YError(`Too many arguments provided. Expected max ${totalCommands} but received ${length}.`);
|
||
|
|
}
|
||
|
|
parsed.demanded.forEach((demanded) => {
|
||
|
|
const arg = args.shift();
|
||
|
|
const observedType = guessType(arg);
|
||
|
|
const matchingTypes = demanded.cmd.filter(type => type === observedType || type === '*');
|
||
|
|
if (matchingTypes.length === 0)
|
||
|
|
argumentTypeError(observedType, demanded.cmd, position);
|
||
|
|
position += 1;
|
||
|
|
});
|
||
|
|
parsed.optional.forEach((optional) => {
|
||
|
|
if (args.length === 0)
|
||
|
|
return;
|
||
|
|
const arg = args.shift();
|
||
|
|
const observedType = guessType(arg);
|
||
|
|
const matchingTypes = optional.cmd.filter(type => type === observedType || type === '*');
|
||
|
|
if (matchingTypes.length === 0)
|
||
|
|
argumentTypeError(observedType, optional.cmd, position);
|
||
|
|
position += 1;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
catch (err) {
|
||
|
|
console.warn(err.stack);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exports.argsert = argsert;
|
||
|
|
function guessType(arg) {
|
||
|
|
if (Array.isArray(arg)) {
|
||
|
|
return 'array';
|
||
|
|
}
|
||
|
|
else if (arg === null) {
|
||
|
|
return 'null';
|
||
|
|
}
|
||
|
|
return typeof arg;
|
||
|
|
}
|
||
|
|
function argumentTypeError(observedType, allowedTypes, position) {
|
||
|
|
throw new yerror_1.YError(`Invalid ${positionName[position] || 'manyith'} argument. Expected ${allowedTypes.join(' or ')} but received ${observedType}.`);
|
||
|
|
}
|