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Stylize gutter.

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This commit is contained in:
Daniel Rosenwasser 2015-08-19 12:30:50 -07:00
parent ea1882d76d
commit 44f3c0ca8a
1 changed files with 8 additions and 7 deletions
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15
src/compiler/tsc.ts
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@ -106,8 +106,9 @@ namespace ts {
sys.write(output);
}
const redColorControlChar = "\u001b[91m";
const resetColorControlChar = "\u001b[0m";
const redForegroundEscapeSequence = "\u001b[91m";
const gutterStyleSequence = "\u001b[100;30m";
const resetEscapeSequence = "\u001b[0m";
function reportDiagnosticWithColorAndContext(diagnostic: Diagnostic): void {
let output = "";
@ -129,7 +130,7 @@ namespace ts {
// If the error spans over 5 lines, we'll only show the first 2 and last 2 lines,
// so we'll skip ahead to the second-to-last line.
if (hasMoreThanFiveLines && firstLine + 1 < i && i < lastLine - 1) {
output += padLeft("...", gutterWidth) + " ||" + sys.newLine;
output += gutterStyleSequence + padLeft("...", gutterWidth) + resetEscapeSequence + " " + sys.newLine;
i = lastLine - 1;
}
@ -140,11 +141,11 @@ namespace ts {
lineContent = lineContent.replace("\t", " "); // convert tabs to single spaces
// Output the actual contents of the line.
output += padLeft(i + 1 + "", gutterWidth) + " ||" + lineContent + sys.newLine;
output += gutterStyleSequence + padLeft(i + 1 + "", gutterWidth) + resetEscapeSequence + " " + lineContent + sys.newLine;
// Output the error span for the line using tildes.
output += padLeft("", gutterWidth) + " ||";
output += redColorControlChar;
output += gutterStyleSequence + padLeft("", gutterWidth) + resetEscapeSequence + " ";
output += redForegroundEscapeSequence;
if (i === firstLine) {
// If we're on the last line, then limit it to the last character of the last line.
// Otherwise, we'll just squiggle the rest of the line, giving 'slice' no end position.
@ -160,7 +161,7 @@ namespace ts {
// Squiggle the entire line.
output += lineContent.replace(/./g, "~");
}
output += resetColorControlChar;
output += resetEscapeSequence;
output += sys.newLine;
}