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76 lines
2.2 KiB
JavaScript
Executable File
76 lines
2.2 KiB
JavaScript
Executable File
#!/usr/bin/env node
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var fs = require('fs');
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var toc = require('./index.js');
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var utils = require('./lib/utils');
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var args = utils.minimist(process.argv.slice(2), {
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boolean: ['i', 'json', 'firsth1', 'stripHeadingTags'],
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string: ['append', 'bullets'],
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default: {
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firsth1: true,
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stripHeadingTags: true
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}
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});
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if (args._.length !== 1) {
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console.error([
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'Usage: markdown-toc [options] <input> ',
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'',
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' input: The Markdown file to parse for table of contents,',
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' or "-" to read from stdin.',
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'',
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' -i: Edit the <input> file directly, injecting the TOC at <!-- toc -->',
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' (Without this flag, the default is to print the TOC to stdout.)',
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'',
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' --json: Print the TOC in JSON format',
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'',
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' --append: Append a string to the end of the TOC',
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'',
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' --bullets: Bullets to use for items in the generated TOC',
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' (Supports multiple bullets: --bullets "*" --bullets "-" --bullets "+")',
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' (Default is "*".)',
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'',
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' --maxdepth: Use headings whose depth is at most maxdepth',
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' (Default is 6.)',
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'',
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' --no-firsth1: Include the first h1-level heading in a file',
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'',
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' --no-stripHeadingTags: Do not strip extraneous HTML tags from heading',
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' text before slugifying'
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].join('\n'));
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process.exit(1);
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}
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if (args.i && args.json) {
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console.error('markdown-toc: you cannot use both --json and -i');
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process.exit(1);
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}
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if (args.i && args._[0] === '-') {
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console.error('markdown-toc: you cannot use -i with "-" (stdin) for input');
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process.exit(1);
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}
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var input = process.stdin;
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if (args._[0] !== '-') input = fs.createReadStream(args._[0]);
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input.pipe(utils.concat(function(input) {
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if (args.i) {
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var newMarkdown = toc.insert(input.toString(), args);
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fs.writeFileSync(args._[0], newMarkdown);
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} else {
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var parsed = toc(input.toString(), args);
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output(parsed);
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}
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}));
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input.on('error', function onErr(err) {
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console.error(err);
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process.exit(1);
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});
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function output(parsed) {
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if (args.json) return console.log(JSON.stringify(parsed.json, null, ' '));
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process.stdout.write(parsed.content);
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}
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