63 lines
2.4 KiB
JavaScript
63 lines
2.4 KiB
JavaScript
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/**
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* @fileoverview Main entrypoint for libraries using yargs-parser in Node.js
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* CJS and ESM environments.
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*
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* @license
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* Copyright (c) 2016, Contributors
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* SPDX-License-Identifier: ISC
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*/
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var _a, _b, _c;
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import { format } from 'util';
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import { normalize, resolve } from 'path';
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import { camelCase, decamelize, looksLikeNumber } from './string-utils.js';
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import { YargsParser } from './yargs-parser.js';
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import { readFileSync } from 'fs';
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// See https://github.com/yargs/yargs-parser#supported-nodejs-versions for our
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// version support policy. The YARGS_MIN_NODE_VERSION is used for testing only.
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const minNodeVersion = (process && process.env && process.env.YARGS_MIN_NODE_VERSION)
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? Number(process.env.YARGS_MIN_NODE_VERSION)
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: 12;
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const nodeVersion = (_b = (_a = process === null || process === void 0 ? void 0 : process.versions) === null || _a === void 0 ? void 0 : _a.node) !== null && _b !== void 0 ? _b : (_c = process === null || process === void 0 ? void 0 : process.version) === null || _c === void 0 ? void 0 : _c.slice(1);
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if (nodeVersion) {
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const major = Number(nodeVersion.match(/^([^.]+)/)[1]);
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if (major < minNodeVersion) {
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throw Error(`yargs parser supports a minimum Node.js version of ${minNodeVersion}. Read our version support policy: https://github.com/yargs/yargs-parser#supported-nodejs-versions`);
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}
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}
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// Creates a yargs-parser instance using Node.js standard libraries:
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const env = process ? process.env : {};
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const parser = new YargsParser({
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cwd: process.cwd,
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env: () => {
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return env;
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},
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format,
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normalize,
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resolve,
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// TODO: figure out a way to combine ESM and CJS coverage, such that
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// we can exercise all the lines below:
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require: (path) => {
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if (typeof require !== 'undefined') {
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return require(path);
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}
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else if (path.match(/\.json$/)) {
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// Addresses: https://github.com/yargs/yargs/issues/2040
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return JSON.parse(readFileSync(path, 'utf8'));
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}
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else {
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throw Error('only .json config files are supported in ESM');
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}
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}
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});
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const yargsParser = function Parser(args, opts) {
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const result = parser.parse(args.slice(), opts);
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return result.argv;
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};
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yargsParser.detailed = function (args, opts) {
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return parser.parse(args.slice(), opts);
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};
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yargsParser.camelCase = camelCase;
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yargsParser.decamelize = decamelize;
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yargsParser.looksLikeNumber = looksLikeNumber;
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export default yargsParser;
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