utils/node_modules/@rushstack/ts-command-line/lib/parameters/BaseClasses.js
2024-02-07 01:33:07 -05:00

173 lines
8.6 KiB
JavaScript

"use strict";
// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
// See LICENSE in the project root for license information.
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommandLineParameterWithArgument = exports.CommandLineParameter = exports.CommandLineParameterKind = void 0;
/**
* Identifies the kind of a CommandLineParameter.
* @public
*/
var CommandLineParameterKind;
(function (CommandLineParameterKind) {
/** Indicates a CommandLineChoiceParameter */
CommandLineParameterKind[CommandLineParameterKind["Choice"] = 0] = "Choice";
/** Indicates a CommandLineFlagParameter */
CommandLineParameterKind[CommandLineParameterKind["Flag"] = 1] = "Flag";
/** Indicates a CommandLineIntegerParameter */
CommandLineParameterKind[CommandLineParameterKind["Integer"] = 2] = "Integer";
/** Indicates a CommandLineStringParameter */
CommandLineParameterKind[CommandLineParameterKind["String"] = 3] = "String";
/** Indicates a CommandLineStringListParameter */
CommandLineParameterKind[CommandLineParameterKind["StringList"] = 4] = "StringList";
/** Indicates a CommandLineChoiceListParameter */
CommandLineParameterKind[CommandLineParameterKind["ChoiceList"] = 5] = "ChoiceList";
/** Indicates a CommandLineIntegerListParameter */
CommandLineParameterKind[CommandLineParameterKind["IntegerList"] = 6] = "IntegerList";
})(CommandLineParameterKind = exports.CommandLineParameterKind || (exports.CommandLineParameterKind = {}));
/**
* Matches kebab-case formatted strings prefixed with double dashes.
* Example: "--do-something"
*/
const LONG_NAME_REGEXP = /^-(-[a-z0-9]+)+$/;
/**
* Matches a single upper-case or lower-case letter prefixed with a dash.
* Example: "-d"
*/
const SHORT_NAME_REGEXP = /^-[a-zA-Z]$/;
/**
* Matches kebab-case formatted strings
* Example: "my-scope"
*/
const SCOPE_REGEXP = /^[a-z0-9]+(-[a-z0-9]+)*$/;
/**
* "Environment variable names used by the utilities in the Shell and Utilities volume of
* IEEE Std 1003.1-2001 consist solely of uppercase letters, digits, and the '_' (underscore)
* from the characters defined in Portable Character Set and do not begin with a digit."
* Example: "THE_SETTING"
*/
const ENVIRONMENT_VARIABLE_NAME_REGEXP = /^[A-Z_][A-Z0-9_]*$/;
/**
* The base class for the various command-line parameter types.
* @public
*/
class CommandLineParameter {
/** @internal */
constructor(definition) {
this.longName = definition.parameterLongName;
this._shortNameValue = definition.parameterShortName;
this.parameterGroup = definition.parameterGroup;
this.parameterScope = definition.parameterScope;
this.description = definition.description;
this.required = !!definition.required;
this.environmentVariable = definition.environmentVariable;
this.undocumentedSynonyms = definition.undocumentedSynonyms;
if (!LONG_NAME_REGEXP.test(this.longName)) {
throw new Error(`Invalid name: "${this.longName}". The parameter long name must be` +
` lower-case and use dash delimiters (e.g. "--do-a-thing")`);
}
if (this.shortName) {
if (!SHORT_NAME_REGEXP.test(this.shortName)) {
throw new Error(`Invalid name: "${this.shortName}". The parameter short name must be` +
` a dash followed by a single upper-case or lower-case letter (e.g. "-a")`);
}
}
if (this.parameterScope) {
if (!SCOPE_REGEXP.test(this.parameterScope)) {
throw new Error(`Invalid scope: "${this.parameterScope}". The parameter scope name must be` +
` lower-case and use dash delimiters (e.g. "my-scope")`);
}
// Parameter long name is guaranteed to start with '--' since this is validated above
const unprefixedLongName = this.longName.slice(2);
this.scopedLongName = `--${this.parameterScope}:${unprefixedLongName}`;
}
if (this.environmentVariable) {
if (this.required) {
// TODO: This constraint is imposed only because argparse enforces "required" parameters, but
// it does not know about ts-command-line environment variable mappings. We should fix this.
throw new Error(`An "environmentVariable" cannot be specified for "${this.longName}"` +
` because it is a required parameter`);
}
if (!ENVIRONMENT_VARIABLE_NAME_REGEXP.test(this.environmentVariable)) {
throw new Error(`Invalid environment variable name: "${this.environmentVariable}". The name must` +
` consist only of upper-case letters, numbers, and underscores. It may not start with a number.`);
}
}
if (this.undocumentedSynonyms && this.undocumentedSynonyms.length > 0) {
for (const undocumentedSynonym of this.undocumentedSynonyms) {
if (this.longName === undocumentedSynonym) {
throw new Error(`Invalid name: "${undocumentedSynonym}". Undocumented synonyms must not be the same` +
` as the the long name.`);
}
else if (!LONG_NAME_REGEXP.test(undocumentedSynonym)) {
throw new Error(`Invalid name: "${undocumentedSynonym}". All undocumented synonyms name must be lower-case and ` +
'use dash delimiters (e.g. "--do-a-thing")');
}
}
}
}
/** {@inheritDoc IBaseCommandLineDefinition.parameterShortName} */
get shortName() {
return this._shortNameValue;
}
/**
* Returns additional text used by the help formatter.
* @internal
*/
_getSupplementaryNotes(supplementaryNotes) {
// virtual
if (this.environmentVariable !== undefined) {
supplementaryNotes.push('This parameter may alternatively be specified via the ' +
this.environmentVariable +
' environment variable.');
}
}
/**
* Internal usage only. Used to report unexpected output from the argparse library.
*/
// eslint-disable-next-line @typescript-eslint/no-explicit-any
reportInvalidData(data) {
throw new Error(`Unexpected data object for parameter "${this.longName}": ` + JSON.stringify(data));
}
validateDefaultValue(hasDefaultValue) {
if (this.required && hasDefaultValue) {
// If a parameter is "required", then the user understands that they always need to
// specify a value for this parameter (either via the command line or via an environment variable).
// It would be confusing to allow a default value that sometimes allows the "required" parameter
// to be omitted. If you sometimes don't have a suitable default value, then the better approach
// is to throw a custom error explaining why the parameter is required in that case.
throw new Error(`A default value cannot be specified for "${this.longName}" because it is a "required" parameter`);
}
}
}
exports.CommandLineParameter = CommandLineParameter;
/**
* The common base class for parameters types that receive an argument.
*
* @remarks
* An argument is an accompanying command-line token, such as "123" in the
* example "--max-count 123".
* @public
*/
class CommandLineParameterWithArgument extends CommandLineParameter {
/** @internal */
constructor(definition) {
super(definition);
if (definition.argumentName === '') {
throw new Error('The argument name cannot be an empty string. (For the default name, specify undefined.)');
}
if (definition.argumentName.toUpperCase() !== definition.argumentName) {
throw new Error(`Invalid name: "${definition.argumentName}". The argument name must be all upper case.`);
}
const match = definition.argumentName.match(CommandLineParameterWithArgument._invalidArgumentNameRegExp);
if (match) {
throw new Error(`The argument name "${definition.argumentName}" contains an invalid character "${match[0]}".` +
` Only upper-case letters, numbers, and underscores are allowed.`);
}
this.argumentName = definition.argumentName;
this.completions = definition.completions;
}
}
// Matches the first character that *isn't* part of a valid upper-case argument name such as "URL_2"
CommandLineParameterWithArgument._invalidArgumentNameRegExp = /[^A-Z_0-9]/;
exports.CommandLineParameterWithArgument = CommandLineParameterWithArgument;
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