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feat: add getStackInfo function #20

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feat: add getStackInfo function #20

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20 changes: 20 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,26 @@ Retrace.prototype.map = function(stack) {
});
};


Retrace.prototype.getStackInfo = function(stack) {
return Promise.all(parser.parse(stack).map(this.mapFrame, this))
.then(function(frames) {
var msg = /^.*$/m.exec(stack)[0];
var reMappedStack = msg + '\n' + frames.map(function(f) {
var pos = f.source;
if (f.line) pos += ':' + f.line;
if (f.column >= 0) pos += ':' + f.column;
var loc = f.name ? f.name + '(' + pos + ')' : pos;
return ' at ' + loc;
}).join('\n');
var lastStack = frames[0];
var source = lastStack.source
var line = lastStack.line
var column = lastStack.column
return {stack: reMappedStack, source, line, column}
});
};

Retrace.prototype.mapFrame = function(f) {
return this.getSourceMapConsumer(f.fileName).then(function(sm) {
return sm.originalPositionFor({
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