3 exports = module.exports = cliWidth;
5 function normalizeOpts(options) {
8 output: process.stdout,
16 Object.keys(defaultOpts).forEach(function (key) {
18 options[key] = defaultOpts[key];
25 function cliWidth(options) {
26 let opts = normalizeOpts(options);
28 if (opts.output.getWindowSize) {
29 return opts.output.getWindowSize()[0] || opts.defaultWidth;
32 if (opts.tty.getWindowSize) {
33 return opts.tty.getWindowSize()[1] || opts.defaultWidth;
36 if (opts.output.columns) {
37 return opts.output.columns;
40 if (process.env.CLI_WIDTH) {
41 let width = parseInt(process.env.CLI_WIDTH, 10);
43 if (!isNaN(width) && width !== 0) {
48 return opts.defaultWidth;