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