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108 lines
2.0 KiB
108 lines
2.0 KiB
'use strict'; |
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const match = (array, value) => array.some(x => x instanceof RegExp ? x.test(value) : x === value); |
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module.exports = (input, opts) => { |
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const args = []; |
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let extraArgs = []; |
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let separatedArgs = []; |
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opts = Object.assign({ |
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useEquals: true |
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}, opts); |
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const makeArg = (key, val) => { |
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key = '--' + (opts.allowCamelCase ? key : key.replace(/[A-Z]/g, '-$&').toLowerCase()); |
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if (opts.useEquals) { |
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args.push(key + (val ? `=${val}` : '')); |
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} else { |
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args.push(key); |
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if (val) { |
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args.push(val); |
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} |
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} |
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}; |
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const makeAliasArg = (key, val) => { |
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args.push(`-${key}`); |
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if (val) { |
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args.push(val); |
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} |
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}; |
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// TODO: Use Object.entries() when targeting Node.js 8 |
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for (let key of Object.keys(input)) { |
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const val = input[key]; |
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let pushArg = makeArg; |
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if (Array.isArray(opts.excludes) && match(opts.excludes, key)) { |
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continue; |
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} |
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if (Array.isArray(opts.includes) && !match(opts.includes, key)) { |
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continue; |
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} |
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if (typeof opts.aliases === 'object' && opts.aliases[key]) { |
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key = opts.aliases[key]; |
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pushArg = makeAliasArg; |
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} |
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if (key === '--') { |
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if (!Array.isArray(val)) { |
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throw new TypeError(`Expected key \`--\` to be Array, got ${typeof val}`); |
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} |
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separatedArgs = val; |
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continue; |
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} |
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if (key === '_') { |
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if (!Array.isArray(val)) { |
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throw new TypeError(`Expected key \`_\` to be Array, got ${typeof val}`); |
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} |
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extraArgs = val; |
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continue; |
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} |
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if (val === true) { |
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pushArg(key, ''); |
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} |
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if (val === false && !opts.ignoreFalse) { |
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pushArg(`no-${key}`); |
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} |
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if (typeof val === 'string') { |
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pushArg(key, val); |
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} |
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if (typeof val === 'number' && !Number.isNaN(val)) { |
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pushArg(key, String(val)); |
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} |
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if (Array.isArray(val)) { |
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for (const arrayValue of val) { |
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pushArg(key, arrayValue); |
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} |
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} |
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} |
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for (const x of extraArgs) { |
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args.push(String(x)); |
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} |
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if (separatedArgs.length > 0) { |
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args.push('--'); |
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} |
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for (const x of separatedArgs) { |
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args.push(String(x)); |
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} |
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return args; |
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};
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