56 lines
942 B
JavaScript
56 lines
942 B
JavaScript
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#!/usr/bin/env node
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'use strict';
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var fs = require('fs');
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var stdin = require('get-stdin');
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var argv = require('minimist')(process.argv.slice(2));
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var pkg = require('./package.json');
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var detectIndent = require('./');
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var input = argv._[0];
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function help() {
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console.log([
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'',
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' ' + pkg.description,
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'',
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' Usage',
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' detect-indent <file>',
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' echo <string> | detect-indent',
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'',
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' Example',
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' echo \' foo\\n bar\' | detect-indent | wc --chars',
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' 2'
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].join('\n'));
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}
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function init(data) {
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var indent = detectIndent(data).indent;
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if (indent !== null) {
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process.stdout.write(indent);
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} else {
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console.error('Indentation could not be detected');
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process.exit(2);
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}
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}
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if (argv.help) {
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help();
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return;
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}
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if (argv.version) {
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console.log(pkg.version);
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return;
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}
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if (process.stdin.isTTY) {
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if (!input) {
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help();
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return;
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}
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init(fs.readFileSync(input, 'utf8'));
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} else {
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stdin(init);
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}
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