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| 1 | +import { createSupportsColor } from "supports-color"; |
| 2 | +import hasFlag from "has-flag"; |
| 3 | + |
| 4 | +function parseVersion(versionString = ""): { major: number; minor: number; patch: number } { |
| 5 | + if (/^\d{3,4}$/.test(versionString)) { |
| 6 | + // Env var doesn't always use dots. example: 4601 => 46.1.0 |
| 7 | + const match = /(\d{1,2})(\d{2})/.exec(versionString) ?? []; |
| 8 | + return { |
| 9 | + major: 0, |
| 10 | + minor: Number.parseInt(match[1] ?? "0", 10), |
| 11 | + patch: Number.parseInt(match[2] ?? "0", 10), |
| 12 | + }; |
| 13 | + } |
| 14 | + |
| 15 | + const versions = (versionString ?? "").split(".").map((n) => Number.parseInt(n, 10)); |
| 16 | + return { |
| 17 | + major: versions[0] ?? 0, |
| 18 | + minor: versions[1] ?? 0, |
| 19 | + patch: versions[2] ?? 0, |
| 20 | + }; |
| 21 | +} |
| 22 | + |
| 23 | +/** |
| 24 | + Creates a supports hyperlinks check for a given stream. |
| 25 | +
|
| 26 | + @param stream - Optional stream to check for hyperlink support. |
| 27 | + @returns boolean indicating whether hyperlinks are supported. |
| 28 | +*/ |
| 29 | +export function createSupportsHyperlinks(stream: NodeJS.WriteStream): boolean { |
| 30 | + const { |
| 31 | + CI, |
| 32 | + FORCE_HYPERLINK, |
| 33 | + NETLIFY, |
| 34 | + TEAMCITY_VERSION, |
| 35 | + TERM_PROGRAM, |
| 36 | + TERM_PROGRAM_VERSION, |
| 37 | + VTE_VERSION, |
| 38 | + TERM, |
| 39 | + } = process.env; |
| 40 | + |
| 41 | + if (FORCE_HYPERLINK) { |
| 42 | + return !(FORCE_HYPERLINK.length > 0 && Number.parseInt(FORCE_HYPERLINK, 10) === 0); |
| 43 | + } |
| 44 | + |
| 45 | + if ( |
| 46 | + hasFlag("no-hyperlink") || |
| 47 | + hasFlag("no-hyperlinks") || |
| 48 | + hasFlag("hyperlink=false") || |
| 49 | + hasFlag("hyperlink=never") |
| 50 | + ) { |
| 51 | + return false; |
| 52 | + } |
| 53 | + |
| 54 | + if (hasFlag("hyperlink=true") || hasFlag("hyperlink=always")) { |
| 55 | + return true; |
| 56 | + } |
| 57 | + |
| 58 | + // Netlify does not run a TTY, it does not need `supportsColor` check |
| 59 | + if (NETLIFY) { |
| 60 | + return true; |
| 61 | + } |
| 62 | + |
| 63 | + // If they specify no colors, they probably don't want hyperlinks. |
| 64 | + if (!createSupportsColor(stream)) { |
| 65 | + return false; |
| 66 | + } |
| 67 | + |
| 68 | + if (stream && !stream.isTTY) { |
| 69 | + return false; |
| 70 | + } |
| 71 | + |
| 72 | + // Windows Terminal |
| 73 | + if ("WT_SESSION" in process.env) { |
| 74 | + return true; |
| 75 | + } |
| 76 | + |
| 77 | + if (process.platform === "win32") { |
| 78 | + return false; |
| 79 | + } |
| 80 | + |
| 81 | + if (CI) { |
| 82 | + return false; |
| 83 | + } |
| 84 | + |
| 85 | + if (TEAMCITY_VERSION) { |
| 86 | + return false; |
| 87 | + } |
| 88 | + |
| 89 | + if (TERM_PROGRAM) { |
| 90 | + const version = parseVersion(TERM_PROGRAM_VERSION); |
| 91 | + |
| 92 | + switch (TERM_PROGRAM) { |
| 93 | + case "iTerm.app": { |
| 94 | + if (version.major === 3) { |
| 95 | + return version.minor >= 1; |
| 96 | + } |
| 97 | + |
| 98 | + return version.major > 3; |
| 99 | + } |
| 100 | + |
| 101 | + case "WezTerm": { |
| 102 | + return version.major >= 20_200_620; |
| 103 | + } |
| 104 | + |
| 105 | + case "vscode": { |
| 106 | + // eslint-disable-next-line no-mixed-operators |
| 107 | + return version.major > 1 || (version.major === 1 && version.minor >= 72); |
| 108 | + } |
| 109 | + |
| 110 | + case "ghostty": { |
| 111 | + return true; |
| 112 | + } |
| 113 | + // No default |
| 114 | + } |
| 115 | + } |
| 116 | + |
| 117 | + if (VTE_VERSION) { |
| 118 | + // 0.50.0 was supposed to support hyperlinks, but throws a segfault |
| 119 | + if (VTE_VERSION === "0.50.0") { |
| 120 | + return false; |
| 121 | + } |
| 122 | + |
| 123 | + const version = parseVersion(VTE_VERSION); |
| 124 | + return version.major > 0 || version.minor >= 50; |
| 125 | + } |
| 126 | + |
| 127 | + switch (TERM) { |
| 128 | + case "alacritty": { |
| 129 | + // Support added in v0.11 (2022-10-13) |
| 130 | + return true; |
| 131 | + } |
| 132 | + // No default |
| 133 | + } |
| 134 | + |
| 135 | + return false; |
| 136 | +} |
| 137 | + |
| 138 | +/** Object containing hyperlink support status for stdout and stderr. */ |
| 139 | +const supportsHyperlinks = { |
| 140 | + /** Whether stdout supports hyperlinks. */ |
| 141 | + stdout: createSupportsHyperlinks(process.stdout), |
| 142 | + /** Whether stderr supports hyperlinks. */ |
| 143 | + stderr: createSupportsHyperlinks(process.stderr), |
| 144 | +}; |
| 145 | + |
| 146 | +export default supportsHyperlinks; |
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