aws-cdk
Version:
AWS CDK CLI, the command line tool for CDK apps
91 lines • 10.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.shell = shell;
const child_process = require("child_process");
const toolkit_lib_1 = require("@aws-cdk/toolkit-lib");
const chalk = require("chalk");
/**
* OS helpers
*
* Shell function which both prints to stdout and collects the output into a
* string.
*/
async function shell(ioHelper, command) {
const commandLine = renderCommandLine(command);
await ioHelper.defaults.debug(`Executing ${chalk.blue(commandLine)}`);
const child = child_process.spawn(command[0], renderArguments(command.slice(1)), {
// Need this for Windows where we want .cmd and .bat to be found as well.
shell: true,
stdio: ['ignore', 'pipe', 'inherit'],
});
return new Promise((resolve, reject) => {
const stdout = new Array();
// Both write to stdout and collect
child.stdout.on('data', chunk => {
process.stdout.write(chunk);
stdout.push(chunk);
});
child.once('error', reject);
child.once('exit', code => {
if (code === 0) {
resolve(Buffer.from(stdout).toString('utf-8'));
}
else {
reject(new toolkit_lib_1.ToolkitError(`${commandLine} exited with error code ${code}`));
}
});
});
}
function renderCommandLine(cmd) {
return renderArguments(cmd).join(' ');
}
/**
* Render the arguments to include escape characters for each platform.
*/
function renderArguments(cmd) {
if (process.platform !== 'win32') {
return doRender(cmd, hasAnyChars(' ', '\\', '!', '"', "'", '&', '$'), posixEscape);
}
else {
return doRender(cmd, hasAnyChars(' ', '"', '&', '^', '%'), windowsEscape);
}
}
/**
* Render a UNIX command line
*/
function doRender(cmd, needsEscaping, doEscape) {
return cmd.map(x => needsEscaping(x) ? doEscape(x) : x);
}
/**
* Return a predicate that checks if a string has any of the indicated chars in it
*/
function hasAnyChars(...chars) {
return (str) => {
return chars.some(c => str.indexOf(c) !== -1);
};
}
/**
* Escape a shell argument for POSIX shells
*
* Wrapping in single quotes and escaping single quotes inside will do it for us.
*/
function posixEscape(x) {
// Turn ' -> '"'"'
x = x.replace(/'/g, "'\"'\"'");
return `'${x}'`;
}
/**
* Escape a shell argument for cmd.exe
*
* This is how to do it right, but I'm not following everything:
*
* https://blogs.msdn.microsoft.com/twistylittlepassagesallalike/2011/04/23/everyone-quotes-command-line-arguments-the-wrong-way/
*/
function windowsEscape(x) {
// First surround by double quotes, ignore the part about backslashes
x = `"${x}"`;
// Now escape all special characters
const shellMeta = new Set(['"', '&', '^', '%']);
return x.split('').map(c => shellMeta.has(x) ? '^' + c : c).join('');
}
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