Last change
on this file since b738035 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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Property mode
set to
100644
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File size:
907 bytes
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[6a3a178] | 1 | "use strict";
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| 2 |
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| 3 | exports = module.exports = cliWidth;
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| 4 |
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| 5 | function normalizeOpts(options) {
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| 6 | let defaultOpts = {
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| 7 | defaultWidth: 0,
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| 8 | output: process.stdout,
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| 9 | tty: require("tty"),
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| 10 | };
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| 11 |
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| 12 | if (!options) {
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| 13 | return defaultOpts;
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| 14 | }
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| 15 |
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| 16 | Object.keys(defaultOpts).forEach(function (key) {
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| 17 | if (!options[key]) {
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| 18 | options[key] = defaultOpts[key];
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| 19 | }
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| 20 | });
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| 21 |
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| 22 | return options;
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| 23 | }
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| 24 |
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| 25 | function cliWidth(options) {
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| 26 | let opts = normalizeOpts(options);
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| 27 |
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| 28 | if (opts.output.getWindowSize) {
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| 29 | return opts.output.getWindowSize()[0] || opts.defaultWidth;
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| 30 | }
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| 31 |
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| 32 | if (opts.tty.getWindowSize) {
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| 33 | return opts.tty.getWindowSize()[1] || opts.defaultWidth;
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| 34 | }
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| 35 |
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| 36 | if (opts.output.columns) {
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| 37 | return opts.output.columns;
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| 38 | }
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| 39 |
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| 40 | if (process.env.CLI_WIDTH) {
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| 41 | let width = parseInt(process.env.CLI_WIDTH, 10);
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| 42 |
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| 43 | if (!isNaN(width) && width !== 0) {
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| 44 | return width;
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| 45 | }
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| 46 | }
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| 47 |
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| 48 | return opts.defaultWidth;
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| 49 | }
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