72 lines
2.7 KiB
JavaScript
72 lines
2.7 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.CommandLineFlagParameter = void 0;
|
|
const BaseClasses_1 = require("./BaseClasses");
|
|
/**
|
|
* The data type returned by {@link CommandLineParameterProvider.defineFlagParameter}.
|
|
* @public
|
|
*/
|
|
class CommandLineFlagParameter extends BaseClasses_1.CommandLineParameter {
|
|
/** @internal */
|
|
constructor(definition) {
|
|
super(definition);
|
|
this._value = false;
|
|
}
|
|
/** {@inheritDoc CommandLineParameter.kind} */
|
|
get kind() {
|
|
return BaseClasses_1.CommandLineParameterKind.Flag;
|
|
}
|
|
/**
|
|
* {@inheritDoc CommandLineParameter._setValue}
|
|
* @internal
|
|
*/
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
_setValue(data) {
|
|
// abstract
|
|
if (data !== null && data !== undefined) {
|
|
if (typeof data !== 'boolean') {
|
|
this.reportInvalidData(data);
|
|
}
|
|
// If the flag is omitted, then argparse sets the data to "false" instead of "undefined".
|
|
// This design prevents a syntax such as "--flag=false", probably because argparse prefers "--no-flag".
|
|
// If we switch to a new CLI parser, we should try to add support for "--flag=false".
|
|
if (data) {
|
|
this._value = data;
|
|
return;
|
|
}
|
|
}
|
|
if (this.environmentVariable !== undefined) {
|
|
// Try reading the environment variable
|
|
const environmentValue = process.env[this.environmentVariable];
|
|
if (environmentValue !== undefined && environmentValue !== '') {
|
|
if (environmentValue !== '0' && environmentValue !== '1') {
|
|
throw new Error(`Invalid value "${environmentValue}" for the environment variable` +
|
|
` ${this.environmentVariable}. Valid choices are 0 or 1.`);
|
|
}
|
|
this._value = environmentValue === '1';
|
|
return;
|
|
}
|
|
}
|
|
this._value = false;
|
|
}
|
|
/**
|
|
* Returns a boolean indicating whether the parameter was included in the command line.
|
|
*
|
|
* @remarks
|
|
* The return value will be false if the command-line has not been parsed yet,
|
|
* or if the flag was not used.
|
|
*/
|
|
get value() {
|
|
return this._value;
|
|
}
|
|
/** {@inheritDoc CommandLineParameter.appendToArgList} @override */
|
|
appendToArgList(argList) {
|
|
if (this.value) {
|
|
argList.push(this.longName);
|
|
}
|
|
}
|
|
}
|
|
exports.CommandLineFlagParameter = CommandLineFlagParameter;
|
|
//# sourceMappingURL=CommandLineFlagParameter.js.map
|