'use strict';
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const SPACES_REGEXP = / +/g;
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const joinCommand = (file, args = []) => {
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if (!Array.isArray(args)) {
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return file;
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}
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return [file, ...args].join(' ');
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};
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// Allow spaces to be escaped by a backslash if not meant as a delimiter
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const handleEscaping = (tokens, token, index) => {
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if (index === 0) {
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return [token];
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}
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const previousToken = tokens[tokens.length - 1];
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if (previousToken.endsWith('\\')) {
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return [...tokens.slice(0, -1), `${previousToken.slice(0, -1)} ${token}`];
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}
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return [...tokens, token];
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};
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// Handle `execa.command()`
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const parseCommand = command => {
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return command
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.trim()
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.split(SPACES_REGEXP)
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.reduce(handleEscaping, []);
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};
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module.exports = {
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joinCommand,
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parseCommand
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};
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