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provide source maps encoding in Node

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guybedford 2016-07-25 13:54:24 +02:00
parent 857c0ef8d9
commit e03812ce32
1 changed files with 19 additions and 2 deletions
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21
lib/global-eval.js
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@ -4,7 +4,24 @@ var __exec;
(function() {
var hasBtoa = typeof btoa != 'undefined';
var hasBuffer = typeof Buffer != 'undefined';
try {
if (new Buffer('a').toString('base64') != 'YQ==')
hasBuffer = false;
}
catch(e) {
hasBuffer = false;
}
var sourceMapPrefix = '\n//# sourceMappingURL=data:application/json;base64,';
function inlineSourceMap(sourceMapString) {
if (hasBuffer)
return sourceMapPrefix + new Buffer(sourceMapString).toString('base64');
else if (typeof btoa != 'undefined')
return sourceMapPrefix + btoa(unescape(encodeURIComponent(sourceMap)));
else
return '';
}
function getSource(load, wrap) {
var lastLineIndex = load.source.lastIndexOf('\n');
@ -26,7 +43,7 @@ var __exec;
+ (load.source.substr(lastLineIndex, 15) != '\n//# sourceURL='
? '\n//# sourceURL=' + load.address + (sourceMap ? '!transpiled' : '') : '')
// add sourceMappingURL if load.metadata.sourceMap is set
+ (sourceMap && hasBtoa && '\n//# sourceMappingURL=data:application/json;base64,' + btoa(unescape(encodeURIComponent(sourceMap))) || '');
+ (sourceMap && inlineSourceMap(sourceMap));
}
var curLoad;