openapi-filter.js

#!/usr/bin/env node

'use strict';

const fs = require('fs');
const yaml = require('yaml');
const {strOptions} = require('yaml/types');
const openapiFilter = require('./index.js');

let argv = require('yargs')
    .usage('$0 <infile> [outfile]',false,(yargs) => {
      yargs
        .positional('infile',{ describe: 'the input file' })
        .positional('outfile',{ describe: 'the output file' })
    })
    .strict()
    .boolean('info')
    .describe('info','include complete info object with --valid')
    .boolean('inverse')
    .describe('inverse','output filtered elements only')
    .alias('inverse','i')
    .boolean('servers')
    .describe('servers','include complete servers object with --valid')
    .array('flags')
    .alias('flags','f')
    .describe('flags','flags to filter by')
    .default('flags',['x-internal'])
    .array('flagValues')
    .alias('flagValues', 'v')
    .describe('flagValues', 'flag string values to consider as a filter match (in addition to matching on boolean types)')
    .default('flagValues', [])
    .boolean('checkTags')
    .describe('checkTags', 'filter if flags given in --flags are in the tags array')
    .array('overrides')
    .alias('overrides','o')
    .default('overrides', [])
    .describe('overrides', 'prefixes used to override named properties')
    .array('methods')
    .alias('methods', 'm')
    .describe('methods', 'OpenAPI methods to filter by')
    .default('methods', [])
    .array('operationIds')
    .alias('operationIds', 'id')
    .describe('operationIds', 'OpenAPI operationIds to filter by')
    .default('operationIds', [])
    .boolean('valid')
    .describe('valid', 'try to ensure inverse output is valid')
    .boolean('strip')
    .alias('strip','s')
    .describe('strip','strip the flags from the finished product')
    .number('lineWidth')
    .alias('lineWidth','l')
    .describe('lineWidth','max line width of yaml output')
    .default('lineWidth',-1)
    .number('maxAliasCount')
    .default('maxAliasCount',100)
    .describe('maxAliasCount','maximum YAML aliases allowed')
    .help()
    .version()
    .argv;

let s = fs.readFileSync(argv.infile,'utf8');
let obj = yaml.parse(s, {maxAliasCount: argv.maxAliasCount});
let res = openapiFilter.filter(obj,argv);
if (argv.infile.indexOf('.json')>=0) {
    s = JSON.stringify(res,null,2);
}
else {
    strOptions.fold.lineWidth = argv.lineWidth;
    s = yaml.stringify(res);
}
if (argv.outfile) {
    fs.writeFileSync(argv.outfile,s,'utf8');
}
else {
    console.log(s);
}