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author | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
commit | abd94a7f5a50f43c797a11b53549ae48fff667c3 (patch) | |
tree | ab8ed457f65cdd72e13e0571d2975729428f1551 /node_modules/beeper/index.js | |
parent | a0247c6a3fd6a09a41a7e35a3441324c4dcb58be (diff) | |
download | wallet-core-abd94a7f5a50f43c797a11b53549ae48fff667c3.tar.xz |
add node_modules to address #4364
Diffstat (limited to 'node_modules/beeper/index.js')
-rw-r--r-- | node_modules/beeper/index.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/node_modules/beeper/index.js b/node_modules/beeper/index.js new file mode 100644 index 000000000..21e0aa9ef --- /dev/null +++ b/node_modules/beeper/index.js @@ -0,0 +1,61 @@ +'use strict'; + +var BEEP_DELAY = 500; + +if (!process.stdout.isTTY || + process.argv.indexOf('--no-beep') !== -1 || + process.argv.indexOf('--beep=false') !== -1) { + module.exports = function () {}; + return; +} + +function beep() { + process.stdout.write('\u0007'); +} + +function melodicalBeep(val, cb) { + if (val.length === 0) { + cb(); + return; + } + + setTimeout(function () { + if (val.shift() === '*') { + beep(); + } + + melodicalBeep(val, cb); + }, BEEP_DELAY); +} + +module.exports = function (val, cb) { + cb = cb || function () {}; + + if (val === parseInt(val)) { + if (val < 0) { + throw new TypeError('Negative numbers are not accepted'); + } + + if (val === 0) { + cb(); + return; + } + + for (var i = 0; i < val; i++) { + setTimeout(function (i) { + beep(); + + if (i === val - 1) { + cb(); + } + }, BEEP_DELAY * i, i); + } + } else if (!val) { + beep(); + cb(); + } else if (typeof val === 'string') { + melodicalBeep(val.split(''), cb); + } else { + throw new TypeError('Not an accepted type'); + } +}; |