GoScrobble/web/node_modules/yargs/build/lib/validation.js

331 lines
13 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.validation = void 0;
const argsert_1 = require("./argsert");
const common_types_1 = require("./common-types");
const levenshtein_1 = require("./levenshtein");
const obj_filter_1 = require("./obj-filter");
const specialKeys = ['$0', '--', '_'];
// validation-type-stuff, missing params,
// bad implications, custom checks.
function validation(yargs, usage, y18n) {
const __ = y18n.__;
const __n = y18n.__n;
const self = {};
// validate appropriate # of non-option
// arguments were provided, i.e., '_'.
self.nonOptionCount = function nonOptionCount(argv) {
const demandedCommands = yargs.getDemandedCommands();
// don't count currently executing commands
const _s = argv._.length - yargs.getContext().commands.length;
if (demandedCommands._ && (_s < demandedCommands._.min || _s > demandedCommands._.max)) {
if (_s < demandedCommands._.min) {
if (demandedCommands._.minMsg !== undefined) {
usage.fail(
// replace $0 with observed, $1 with expected.
demandedCommands._.minMsg
? demandedCommands._.minMsg.replace(/\$0/g, _s.toString()).replace(/\$1/, demandedCommands._.min.toString())
: null);
}
else {
usage.fail(__n('Not enough non-option arguments: got %s, need at least %s', 'Not enough non-option arguments: got %s, need at least %s', _s, _s, demandedCommands._.min));
}
}
else if (_s > demandedCommands._.max) {
if (demandedCommands._.maxMsg !== undefined) {
usage.fail(
// replace $0 with observed, $1 with expected.
demandedCommands._.maxMsg
? demandedCommands._.maxMsg.replace(/\$0/g, _s.toString()).replace(/\$1/, demandedCommands._.max.toString())
: null);
}
else {
usage.fail(__n('Too many non-option arguments: got %s, maximum of %s', 'Too many non-option arguments: got %s, maximum of %s', _s, _s, demandedCommands._.max));
}
}
}
};
// validate the appropriate # of <required>
// positional arguments were provided:
self.positionalCount = function positionalCount(required, observed) {
if (observed < required) {
usage.fail(__n('Not enough non-option arguments: got %s, need at least %s', 'Not enough non-option arguments: got %s, need at least %s', observed, observed, required));
}
};
// make sure all the required arguments are present.
self.requiredArguments = function requiredArguments(argv) {
const demandedOptions = yargs.getDemandedOptions();
let missing = null;
for (const key of Object.keys(demandedOptions)) {
if (!Object.prototype.hasOwnProperty.call(argv, key) || typeof argv[key] === 'undefined') {
missing = missing || {};
missing[key] = demandedOptions[key];
}
}
if (missing) {
const customMsgs = [];
for (const key of Object.keys(missing)) {
const msg = missing[key];
if (msg && customMsgs.indexOf(msg) < 0) {
customMsgs.push(msg);
}
}
const customMsg = customMsgs.length ? `\n${customMsgs.join('\n')}` : '';
usage.fail(__n('Missing required argument: %s', 'Missing required arguments: %s', Object.keys(missing).length, Object.keys(missing).join(', ') + customMsg));
}
};
// check for unknown arguments (strict-mode).
self.unknownArguments = function unknownArguments(argv, aliases, positionalMap, isDefaultCommand) {
const commandKeys = yargs.getCommandInstance().getCommands();
const unknown = [];
const currentContext = yargs.getContext();
Object.keys(argv).forEach((key) => {
if (specialKeys.indexOf(key) === -1 &&
!Object.prototype.hasOwnProperty.call(positionalMap, key) &&
!Object.prototype.hasOwnProperty.call(yargs._getParseContext(), key) &&
!self.isValidAndSomeAliasIsNotNew(key, aliases)) {
unknown.push(key);
}
});
if ((currentContext.commands.length > 0) || (commandKeys.length > 0) || isDefaultCommand) {
argv._.slice(currentContext.commands.length).forEach((key) => {
if (commandKeys.indexOf(key) === -1) {
unknown.push(key);
}
});
}
if (unknown.length > 0) {
usage.fail(__n('Unknown argument: %s', 'Unknown arguments: %s', unknown.length, unknown.join(', ')));
}
};
self.unknownCommands = function unknownCommands(argv) {
const commandKeys = yargs.getCommandInstance().getCommands();
const unknown = [];
const currentContext = yargs.getContext();
if ((currentContext.commands.length > 0) || (commandKeys.length > 0)) {
argv._.slice(currentContext.commands.length).forEach((key) => {
if (commandKeys.indexOf(key) === -1) {
unknown.push(key);
}
});
}
if (unknown.length > 0) {
usage.fail(__n('Unknown command: %s', 'Unknown commands: %s', unknown.length, unknown.join(', ')));
return true;
}
else {
return false;
}
};
// check for a key that is not an alias, or for which every alias is new,
// implying that it was invented by the parser, e.g., during camelization
self.isValidAndSomeAliasIsNotNew = function isValidAndSomeAliasIsNotNew(key, aliases) {
if (!Object.prototype.hasOwnProperty.call(aliases, key)) {
return false;
}
const newAliases = yargs.parsed.newAliases;
for (const a of [key, ...aliases[key]]) {
if (!Object.prototype.hasOwnProperty.call(newAliases, a) || !newAliases[key]) {
return true;
}
}
return false;
};
// validate arguments limited to enumerated choices
self.limitedChoices = function limitedChoices(argv) {
const options = yargs.getOptions();
const invalid = {};
if (!Object.keys(options.choices).length)
return;
Object.keys(argv).forEach((key) => {
if (specialKeys.indexOf(key) === -1 &&
Object.prototype.hasOwnProperty.call(options.choices, key)) {
[].concat(argv[key]).forEach((value) => {
// TODO case-insensitive configurability
if (options.choices[key].indexOf(value) === -1 &&
value !== undefined) {
invalid[key] = (invalid[key] || []).concat(value);
}
});
}
});
const invalidKeys = Object.keys(invalid);
if (!invalidKeys.length)
return;
let msg = __('Invalid values:');
invalidKeys.forEach((key) => {
msg += `\n ${__('Argument: %s, Given: %s, Choices: %s', key, usage.stringifiedValues(invalid[key]), usage.stringifiedValues(options.choices[key]))}`;
});
usage.fail(msg);
};
// custom checks, added using the `check` option on yargs.
let checks = [];
self.check = function check(f, global) {
checks.push({
func: f,
global
});
};
self.customChecks = function customChecks(argv, aliases) {
for (let i = 0, f; (f = checks[i]) !== undefined; i++) {
const func = f.func;
let result = null;
try {
result = func(argv, aliases);
}
catch (err) {
usage.fail(err.message ? err.message : err, err);
continue;
}
if (!result) {
usage.fail(__('Argument check failed: %s', func.toString()));
}
else if (typeof result === 'string' || result instanceof Error) {
usage.fail(result.toString(), result);
}
}
};
// check implications, argument foo implies => argument bar.
let implied = {};
self.implies = function implies(key, value) {
argsert_1.argsert('<string|object> [array|number|string]', [key, value], arguments.length);
if (typeof key === 'object') {
Object.keys(key).forEach((k) => {
self.implies(k, key[k]);
});
}
else {
yargs.global(key);
if (!implied[key]) {
implied[key] = [];
}
if (Array.isArray(value)) {
value.forEach((i) => self.implies(key, i));
}
else {
common_types_1.assertNotStrictEqual(value, undefined);
implied[key].push(value);
}
}
};
self.getImplied = function getImplied() {
return implied;
};
function keyExists(argv, val) {
// convert string '1' to number 1
const num = Number(val);
val = isNaN(num) ? val : num;
if (typeof val === 'number') {
// check length of argv._
val = argv._.length >= val;
}
else if (val.match(/^--no-.+/)) {
// check if key/value doesn't exist
val = val.match(/^--no-(.+)/)[1];
val = !argv[val];
}
else {
// check if key/value exists
val = argv[val];
}
return val;
}
self.implications = function implications(argv) {
const implyFail = [];
Object.keys(implied).forEach((key) => {
const origKey = key;
(implied[key] || []).forEach((value) => {
let key = origKey;
const origValue = value;
key = keyExists(argv, key);
value = keyExists(argv, value);
if (key && !value) {
implyFail.push(` ${origKey} -> ${origValue}`);
}
});
});
if (implyFail.length) {
let msg = `${__('Implications failed:')}\n`;
implyFail.forEach((value) => {
msg += (value);
});
usage.fail(msg);
}
};
let conflicting = {};
self.conflicts = function conflicts(key, value) {
argsert_1.argsert('<string|object> [array|string]', [key, value], arguments.length);
if (typeof key === 'object') {
Object.keys(key).forEach((k) => {
self.conflicts(k, key[k]);
});
}
else {
yargs.global(key);
if (!conflicting[key]) {
conflicting[key] = [];
}
if (Array.isArray(value)) {
value.forEach((i) => self.conflicts(key, i));
}
else {
conflicting[key].push(value);
}
}
};
self.getConflicting = () => conflicting;
self.conflicting = function conflictingFn(argv) {
Object.keys(argv).forEach((key) => {
if (conflicting[key]) {
conflicting[key].forEach((value) => {
// we default keys to 'undefined' that have been configured, we should not
// apply conflicting check unless they are a value other than 'undefined'.
if (value && argv[key] !== undefined && argv[value] !== undefined) {
usage.fail(__('Arguments %s and %s are mutually exclusive', key, value));
}
});
}
});
};
self.recommendCommands = function recommendCommands(cmd, potentialCommands) {
const threshold = 3; // if it takes more than three edits, let's move on.
potentialCommands = potentialCommands.sort((a, b) => b.length - a.length);
let recommended = null;
let bestDistance = Infinity;
for (let i = 0, candidate; (candidate = potentialCommands[i]) !== undefined; i++) {
const d = levenshtein_1.levenshtein(cmd, candidate);
if (d <= threshold && d < bestDistance) {
bestDistance = d;
recommended = candidate;
}
}
if (recommended)
usage.fail(__('Did you mean %s?', recommended));
};
self.reset = function reset(localLookup) {
implied = obj_filter_1.objFilter(implied, k => !localLookup[k]);
conflicting = obj_filter_1.objFilter(conflicting, k => !localLookup[k]);
checks = checks.filter(c => c.global);
return self;
};
const frozens = [];
self.freeze = function freeze() {
frozens.push({
implied,
checks,
conflicting
});
};
self.unfreeze = function unfreeze() {
const frozen = frozens.pop();
common_types_1.assertNotStrictEqual(frozen, undefined);
({
implied,
checks,
conflicting
} = frozen);
};
return self;
}
exports.validation = validation;