"use strict";
|
var __importDefault = (this && this.__importDefault) || function (mod) {
|
return (mod && mod.__esModule) ? mod : { "default": mod };
|
};
|
const lodash_1 = require("lodash");
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const microargs_1 = __importDefault(require("microargs"));
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const path_1 = __importDefault(require("path"));
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class CLIError extends Error {
|
}
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function optionToString(optionName) {
|
return optionName.length === 1 ? `-${optionName}` : `--${optionName}`;
|
}
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function optionsToString(optionsKeys) {
|
return optionsKeys.map(optionToString).join(" ");
|
}
|
function printHelp(scriptName, annotations, logger) {
|
if (lodash_1.isEmpty(annotations)) {
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logger.log("Documentation not found");
|
return null;
|
}
|
const { description, params, options } = annotations;
|
const extra = lodash_1.omit(annotations, ["description", "params", "options"]);
|
const usageOptions = lodash_1.isEmpty(options) ? "" : "[options]";
|
const usageParams = !Array.isArray(params) || lodash_1.isEmpty(params) ? "" : `[${params.join(" ")}]`;
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logger.log(`Usage: ${path_1.default.basename(scriptName)} ${usageOptions} ${usageParams}\n`);
|
if (description) {
|
logger.log(`${description}\n`);
|
}
|
if (!lodash_1.isEmpty(options)) {
|
logger.log("Options:\n");
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lodash_1.forEach(options, (value, key) => {
|
logger.log(` ${lodash_1.padEnd(optionToString(key), 12)}${value}`);
|
});
|
}
|
lodash_1.forEach(extra, (value, key) => {
|
logger.log(`\n${lodash_1.capitalize(key)}:\n`);
|
logger.log(`${value}\n`);
|
});
|
}
|
const Cli = (argv, annotations = {}, help = printHelp, logger = console) => {
|
return (callback) => {
|
const { params, options } = microargs_1.default(argv.slice(2));
|
const scriptName = path_1.default.basename(argv[1]);
|
if (lodash_1.isString(annotations)) {
|
annotations = {
|
description: annotations
|
};
|
}
|
if (options.help) {
|
return help(scriptName, annotations, logger);
|
}
|
const annotatedOptionsKeys = (annotations &&
|
annotations.options &&
|
Object.keys(annotations.options)) ||
|
[];
|
const optionsKeys = Object.keys(options);
|
const illegalOptionsKeys = lodash_1.difference(optionsKeys, annotatedOptionsKeys);
|
if (annotatedOptionsKeys.length && illegalOptionsKeys.length) {
|
const msg = `Illegal option: ${optionsToString(illegalOptionsKeys)}\n` +
|
`Available options: ${optionsToString(annotatedOptionsKeys)}\n` +
|
`Type "${scriptName} --help" for more information`;
|
throw new CLIError(msg);
|
}
|
return callback(options, ...params);
|
};
|
};
|
Cli.CliError = CLIError;
|
module.exports = Cli;
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//# sourceMappingURL=index.js.map
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