290144e9
 易尊强
第一次
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#!/usr/bin/env node
/*eslint no-console:0*/
'use strict';
var fs = require('fs');
var argparse = require('argparse');
////////////////////////////////////////////////////////////////////////////////
var cli = new argparse.ArgumentParser({
prog: 'markdown-it',
version: require('../package.json').version,
addHelp: true
});
cli.addArgument([ '--no-html' ], {
help: 'Disable embedded HTML',
action: 'storeTrue'
});
cli.addArgument([ '-l', '--linkify' ], {
help: 'Autolink text',
action: 'storeTrue'
});
cli.addArgument([ '-t', '--typographer' ], {
help: 'Enable smartquotes and other typographic replacements',
action: 'storeTrue'
});
cli.addArgument([ '--trace' ], {
help: 'Show stack trace on error',
action: 'storeTrue'
});
cli.addArgument([ 'file' ], {
help: 'File to read',
nargs: '?',
defaultValue: '-'
});
cli.addArgument([ '-o', '--output' ], {
help: 'File to write',
defaultValue: '-'
});
var options = cli.parseArgs();
function readFile(filename, encoding, callback) {
if (options.file === '-') {
// read from stdin
var chunks = [];
process.stdin.on('data', function (chunk) { chunks.push(chunk); });
process.stdin.on('end', function () {
return callback(null, Buffer.concat(chunks).toString(encoding));
});
} else {
fs.readFile(filename, encoding, callback);
}
}
////////////////////////////////////////////////////////////////////////////////
readFile(options.file, 'utf8', function (err, input) {
var output, md;
if (err) {
if (err.code === 'ENOENT') {
console.error('File not found: ' + options.file);
process.exit(2);
}
console.error(
options.trace && err.stack ||
err.message ||
String(err));
process.exit(1);
}
md = require('..')({
html: !options.no_html,
xhtmlOut: false,
typographer: options.typographer,
linkify: options.linkify
});
try {
output = md.render(input);
} catch (e) {
console.error(
options.trace && e.stack ||
e.message ||
String(e));
process.exit(1);
}
if (options.output === '-') {
// write to stdout
process.stdout.write(output);
} else {
fs.writeFileSync(options.output, output);
}
});
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