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Show colorized error messages

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This commit is contained in:
Demian Ferreiro
2013-03-01 22:42:26 -03:00
parent 3182475207
commit 55c99dfaec
4 changed files with 23 additions and 10 deletions
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4
lib/coffee-script/command.js
View File

@@ -161,7 +161,7 @@
};
compileScript = function(file, input, base) {
var message, o, options, t, task;
var message, o, options, t, task, useColors;
o = opts;
options = compileOptions(file);
try {
@@ -196,7 +196,7 @@
if (CoffeeScript.listeners('failure').length) {
return;
}
message = err instanceof CompilerError ? err.prettyMessage(file || '[stdin]', input) : err.stack || ("ERROR: " + err);
message = err instanceof CompilerError ? (useColors = process.stdout.isTTY && !process.env.NODE_DISABLE_COLORS, err.prettyMessage(file || '[stdin]', input, useColors)) : err.stack || ("ERROR: " + err);
if (o.watch) {
if (o.watch) {
return printLine(message + '\x07');

15
lib/coffee-script/error.js
View File

@@ -29,12 +29,19 @@
return new CompilerError(message, first_line, first_column, last_line, last_column);
};
CompilerError.prototype.prettyMessage = function(fileName, code) {
var end, errorLine, marker, message, start;
CompilerError.prototype.prettyMessage = function(fileName, code, useColors) {
var colorize, end, errorLine, marker, message, start;
errorLine = code.split('\n')[this.startLine];
start = this.startColumn;
end = this.startLine === this.endLine ? this.endColumn : errorLine.length - 1;
marker = repeat(' ', start) + repeat('^', end - start + 1);
end = this.startLine === this.endLine ? this.endColumn + 1 : errorLine.length;
marker = repeat(' ', start) + repeat('^', end - start);
if (useColors) {
colorize = function(str) {
return "\x1B[1;31m" + str + "\x1B[0m";
};
errorLine = errorLine.slice(0, start) + colorize(errorLine.slice(start, end)) + errorLine.slice(end);
marker = colorize(marker);
}
message = "" + fileName + ":" + (this.startLine + 1) + ":" + (this.startColumn + 1) + ": error: " + this.message + "\n" + errorLine + "\n" + marker;
return message;
};