| 1 | 'use strict';
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| 2 | const supportsColor = require('supports-color');
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| 3 | const hasFlag = require('has-flag');
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| 4 |
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| 5 | function parseVersion(versionString) {
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| 6 | if (/^\d{3,4}$/.test(versionString)) {
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| 7 | // Env var doesn't always use dots. example: 4601 => 46.1.0
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| 8 | const m = /(\d{1,2})(\d{2})/.exec(versionString);
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| 9 | return {
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| 10 | major: 0,
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| 11 | minor: parseInt(m[1], 10),
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| 12 | patch: parseInt(m[2], 10)
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| 13 | };
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| 14 | }
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| 15 |
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| 16 | const versions = (versionString || '').split('.').map(n => parseInt(n, 10));
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| 17 | return {
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| 18 | major: versions[0],
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| 19 | minor: versions[1],
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| 20 | patch: versions[2]
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| 21 | };
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| 22 | }
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| 23 |
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| 24 | function supportsHyperlink(stream) {
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| 25 | const {env} = process;
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| 26 |
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| 27 | if ('FORCE_HYPERLINK' in env) {
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| 28 | return !(env.FORCE_HYPERLINK.length > 0 && parseInt(env.FORCE_HYPERLINK, 10) === 0);
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| 29 | }
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| 30 |
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| 31 | if (hasFlag('no-hyperlink') || hasFlag('no-hyperlinks') || hasFlag('hyperlink=false') || hasFlag('hyperlink=never')) {
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| 32 | return false;
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| 33 | }
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| 34 |
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| 35 | if (hasFlag('hyperlink=true') || hasFlag('hyperlink=always')) {
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| 36 | return true;
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| 37 | }
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| 38 |
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| 39 | // Netlify does not run a TTY, it does not need `supportsColor` check
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| 40 | if ('NETLIFY' in env) {
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| 41 | return true;
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| 42 | }
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| 43 |
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| 44 | // If they specify no colors, they probably don't want hyperlinks.
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| 45 | if (!supportsColor.supportsColor(stream)) {
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| 46 | return false;
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| 47 | }
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| 48 |
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| 49 | if (stream && !stream.isTTY) {
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| 50 | return false;
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| 51 | }
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| 52 |
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| 53 | if (process.platform === 'win32') {
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| 54 | return false;
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| 55 | }
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| 56 |
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| 57 | if ('CI' in env) {
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| 58 | return false;
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| 59 | }
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| 60 |
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| 61 | if ('TEAMCITY_VERSION' in env) {
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| 62 | return false;
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| 63 | }
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| 64 |
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| 65 | if ('TERM_PROGRAM' in env) {
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| 66 | const version = parseVersion(env.TERM_PROGRAM_VERSION);
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| 67 |
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| 68 | switch (env.TERM_PROGRAM) {
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| 69 | case 'iTerm.app':
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| 70 | if (version.major === 3) {
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| 71 | return version.minor >= 1;
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| 72 | }
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| 73 |
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| 74 | return version.major > 3;
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| 75 | case 'WezTerm':
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| 76 | return version.major >= 20200620;
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| 77 | case 'vscode':
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| 78 | return version.major > 1 || version.major === 1 && version.minor >= 72;
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| 79 | // No default
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| 80 | }
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| 81 | }
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| 82 |
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| 83 | if ('VTE_VERSION' in env) {
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| 84 | // 0.50.0 was supposed to support hyperlinks, but throws a segfault
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| 85 | if (env.VTE_VERSION === '0.50.0') {
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| 86 | return false;
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| 87 | }
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| 88 |
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| 89 | const version = parseVersion(env.VTE_VERSION);
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| 90 | return version.major > 0 || version.minor >= 50;
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| 91 | }
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| 92 |
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| 93 | return false;
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| 94 | }
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| 95 |
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| 96 | module.exports = {
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| 97 | supportsHyperlink,
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| 98 | stdout: supportsHyperlink(process.stdout),
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| 99 | stderr: supportsHyperlink(process.stderr)
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| 100 | };
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