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							- "use strict";
 
- exports = module.exports = cliWidth;
 
- function normalizeOpts(options) {
 
-   let defaultOpts = {
 
-     defaultWidth: 0,
 
-     output: process.stdout,
 
-     tty: require("tty"),
 
-   };
 
-   if (!options) {
 
-     return defaultOpts;
 
-   }
 
-   Object.keys(defaultOpts).forEach(function (key) {
 
-     if (!options[key]) {
 
-       options[key] = defaultOpts[key];
 
-     }
 
-   });
 
-   return options;
 
- }
 
- function cliWidth(options) {
 
-   let opts = normalizeOpts(options);
 
-   if (opts.output.getWindowSize) {
 
-     return opts.output.getWindowSize()[0] || opts.defaultWidth;
 
-   }
 
-   if (opts.tty.getWindowSize) {
 
-     return opts.tty.getWindowSize()[1] || opts.defaultWidth;
 
-   }
 
-   if (opts.output.columns) {
 
-     return opts.output.columns;
 
-   }
 
-   if (process.env.CLI_WIDTH) {
 
-     let width = parseInt(process.env.CLI_WIDTH, 10);
 
-     if (!isNaN(width) && width !== 0) {
 
-       return width;
 
-     }
 
-   }
 
-   return opts.defaultWidth;
 
- }
 
 
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