mirror of
https://github.com/bower/bower.git
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100 lines
2.4 KiB
JavaScript
100 lines
2.4 KiB
JavaScript
var mout = require('mout');
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var sizes = {
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tag: 10, // Tag max chars
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label: 23, // Label max chars
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sumup: 5 // Amount to sum when the label exceeds
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};
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var tagColors = {
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'warn': 'yellow',
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'error': 'red',
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'default': 'cyan'
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};
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function isCompact() {
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return process.stdout.columns < 120;
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}
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function uncolor(str) {
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return str.replace(/\x1B\[\d+m/g, '');
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}
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function renderTagPlusLabel(data) {
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var label;
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var length;
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var nrSpaces;
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var tag = data.tag;
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var tagColor = tagColors[data.level] || tagColors['default'];
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// If there's not enough space, print only the tag
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if (isCompact()) {
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return mout.string.rpad(tag, sizes.tag)[tagColor];
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}
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label = data.origin + '#' + data.endpoint.target;
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length = tag.length + label.length + 1;
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nrSpaces = sizes.tag + sizes.label - length;
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// Ensure at least one space between the label and the tag
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if (nrSpaces < 1) {
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sizes.label = label.length + sizes.sumup;
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nrSpaces = sizes.tag + sizes.label - length;
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}
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return label.green + mout.string.repeat(' ', nrSpaces) + tag[tagColor];
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}
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// -------------------------
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var colorful = {
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begin: function () {},
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end: function () {},
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error: function (err) {
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var str;
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str = 'bower ' + renderTagPlusLabel(err) + ' ' + (err.code ? err.code + ' ,' : '') + err.message + '\n';
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// Check if additional details were provided
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if (err.details) {
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str += err.details + '\n';
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}
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// Print stack
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str += '\n' + err.stack + '\n';
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this._write(process.stderr, str);
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},
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data: function (data) {
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data.data = data.data || '';
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var outputStream = process.stdout;
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if (data.level === 'warn') {
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outputStream = process.stderr;
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}
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this._write(outputStream, 'bower ' + renderTagPlusLabel(data) + ' ' + data.data + '\n');
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},
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checkout: function (data) {
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if (isCompact()) {
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data.data = data.origin + '#' + data.data;
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}
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this.data(data);
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},
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_write: function (channel, str) {
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channel.write(str);
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}
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};
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// The colorless variant simply removes the colors from the write method
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var colorless = mout.object.mixIn({}, colorful, {
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_write: function (channel, str) {
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channel.write(uncolor(str));
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}
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});
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module.exports.colorful = colorful;
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module.exports.colorless = colorless;
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