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53 lines
1.2 KiB
JavaScript
53 lines
1.2 KiB
JavaScript
'use strict';
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const normalizeArgs = (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];
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};
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const NO_ESCAPE_REGEXP = /^[\w.-]+$/;
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const DOUBLE_QUOTES_REGEXP = /"/g;
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const escapeArg = arg => {
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if (typeof arg !== 'string' || NO_ESCAPE_REGEXP.test(arg)) {
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return arg;
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}
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return `"${arg.replace(DOUBLE_QUOTES_REGEXP, '\\"')}"`;
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};
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const joinCommand = (file, args) => {
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return normalizeArgs(file, args).join(' ');
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};
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const getEscapedCommand = (file, args) => {
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return normalizeArgs(file, args).map(arg => escapeArg(arg)).join(' ');
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};
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const SPACES_REGEXP = / +/g;
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// Handle `execa.command()`
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const parseCommand = command => {
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const tokens = [];
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for (const token of command.trim().split(SPACES_REGEXP)) {
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// Allow spaces to be escaped by a backslash if not meant as a delimiter
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const previousToken = tokens[tokens.length - 1];
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if (previousToken && previousToken.endsWith('\\')) {
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// Merge previous token with current one
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tokens[tokens.length - 1] = `${previousToken.slice(0, -1)} ${token}`;
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} else {
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tokens.push(token);
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}
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}
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return tokens;
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};
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module.exports = {
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joinCommand,
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getEscapedCommand,
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parseCommand
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};
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