96 lines
2.0 KiB
JavaScript
96 lines
2.0 KiB
JavaScript
'use strict';
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const supportsColor = require('supports-color');
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const hasFlag = require('has-flag');
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function parseVersion(versionString) {
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if (/^\d{3,4}$/.test(versionString)) {
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// Env var doesn't always use dots. example: 4601 => 46.1.0
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const m = /(\d{1,2})(\d{2})/.exec(versionString);
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return {
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major: 0,
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minor: parseInt(m[1], 10),
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patch: parseInt(m[2], 10)
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};
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}
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const versions = (versionString || '').split('.').map(n => parseInt(n, 10));
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return {
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major: versions[0],
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minor: versions[1],
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patch: versions[2]
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};
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}
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function supportsHyperlink(stream) {
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const {env} = process;
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if ('FORCE_HYPERLINK' in env) {
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return !(env.FORCE_HYPERLINK.length > 0 && parseInt(env.FORCE_HYPERLINK, 10) === 0);
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}
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if (hasFlag('no-hyperlink') || hasFlag('no-hyperlinks') || hasFlag('hyperlink=false') || hasFlag('hyperlink=never')) {
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return false;
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}
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if (hasFlag('hyperlink=true') || hasFlag('hyperlink=always')) {
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return true;
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}
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// If they specify no colors, they probably don't want hyperlinks.
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if (!supportsColor.supportsColor(stream)) {
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return false;
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}
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if (stream && !stream.isTTY) {
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return false;
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}
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if (process.platform === 'win32') {
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return false;
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}
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if ('NETLIFY' in env) {
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return true;
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}
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if ('CI' in env) {
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return false;
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}
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if ('TEAMCITY_VERSION' in env) {
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return false;
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}
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if ('TERM_PROGRAM' in env) {
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const version = parseVersion(env.TERM_PROGRAM_VERSION);
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switch (env.TERM_PROGRAM) {
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case 'iTerm.app':
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if (version.major === 3) {
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return version.minor >= 1;
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}
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return version.major > 3;
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// No default
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}
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}
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if ('VTE_VERSION' in env) {
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// 0.50.0 was supposed to support hyperlinks, but throws a segfault
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if (env.VTE_VERSION === '0.50.0') {
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return false;
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}
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const version = parseVersion(env.VTE_VERSION);
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return version.major > 0 || version.minor >= 50;
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}
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return false;
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}
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module.exports = {
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supportsHyperlink,
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stdout: supportsHyperlink(process.stdout),
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stderr: supportsHyperlink(process.stderr)
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};
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