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author | Nayeem Rahman <nayeemrmn99@gmail.com> | 2020-12-17 16:37:57 +0000 |
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committer | GitHub <noreply@github.com> | 2020-12-17 17:37:57 +0100 |
commit | ffb5f7a4e1d5d4ac488058ca3ec3c0805587fe44 (patch) | |
tree | dc7b79a699732680fa309d97e5b4c2bc5f486a4a /runtime/js/01_colors.js | |
parent | 55dc467b419b8e5897b1c832b04d63e383253d84 (diff) |
refactor: Rename runtime/rt to runtime/js (#8806)
Diffstat (limited to 'runtime/js/01_colors.js')
-rw-r--r-- | runtime/js/01_colors.js | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/runtime/js/01_colors.js b/runtime/js/01_colors.js new file mode 100644 index 000000000..39e4a7a18 --- /dev/null +++ b/runtime/js/01_colors.js @@ -0,0 +1,92 @@ +// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license. + +((window) => { + function code(open, close) { + return { + open: `\x1b[${open}m`, + close: `\x1b[${close}m`, + regexp: new RegExp(`\\x1b\\[${close}m`, "g"), + }; + } + + function run(str, code) { + return `${code.open}${str.replace(code.regexp, code.open)}${code.close}`; + } + + function bold(str) { + return run(str, code(1, 22)); + } + + function italic(str) { + return run(str, code(3, 23)); + } + + function yellow(str) { + return run(str, code(33, 39)); + } + + function cyan(str) { + return run(str, code(36, 39)); + } + + function red(str) { + return run(str, code(31, 39)); + } + + function green(str) { + return run(str, code(32, 39)); + } + + function bgRed(str) { + return run(str, code(41, 49)); + } + + function white(str) { + return run(str, code(37, 39)); + } + + function gray(str) { + return run(str, code(90, 39)); + } + + function magenta(str) { + return run(str, code(35, 39)); + } + + function dim(str) { + return run(str, code(2, 22)); + } + + // https://github.com/chalk/ansi-regex/blob/2b56fb0c7a07108e5b54241e8faec160d393aedb/index.js + const ANSI_PATTERN = new RegExp( + [ + "[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)", + "(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))", + ].join("|"), + "g", + ); + + function stripColor(string) { + return string.replace(ANSI_PATTERN, ""); + } + + function maybeColor(fn) { + return !(globalThis.Deno?.noColor ?? false) ? fn : (s) => s; + } + + window.__bootstrap.colors = { + bold, + italic, + yellow, + cyan, + red, + green, + bgRed, + white, + gray, + magenta, + dim, + stripColor, + maybeColor, + }; +})(this); |