lastIndexOf in sourcemap-register.js causes Github to flag Incorrect suffix check #320

var n=0;while(r.indexOf(e+"/")!==0){var t=e.lastIndexOf("/");
if(t<0){return r}e=e.slice(0,t);if(e.match(/^([^\/]+:\/)?\/*$/)){return r}++n}return Array(n+1).join("../")+r.substr(e.length+1)}r.relative=relative;var o=function(){var e=Object.create(null);return!("__proto__"in e)}();function identity(e){return e}function toSetString(e){if(isProtoString(e)){return"$"+e}return e}r.toSetString=o?identity:toSetString;function fromSetString(e){if(isProtoString(e)){return e.slice(1)}return e}r.fromSetString=o?identity:fromSetString;function isProtoString(e){if(!e){return false}var r=e.length;if(r<9){return false}if(e.charCodeAt(r-1)!==95||e.charCodeAt(r-2)!==95||e.charCodeAt(r-3)!==111||e.charCodeAt(r-4)!==116||e.charCodeAt(r-5)!==111||e.charCodeAt(r-6)!==114||e.charCodeAt(r-7)!==112||e.charCodeAt(r-8)!==95||e.charCodeAt(r-9)!==95){return false}for(var n=r-10;n>=0;n--){if(e.charCodeAt(n)!==36){return false}}return true}function compareByOriginalPositions(e,r,n){var t=strcmp(e.source,r.source);if(t!==0){return t}t=e.originalLine-r.originalLine;if(t!==0){return t}t=e.originalColumn-r.originalColumn;if(t!==0||n){return t}t=e.generatedColumn-r.generatedColumn;if(t!==0){return t}t=e.generatedLine-r.generatedLine;if(t!==0){return t}return strcmp(e.name,r.name)}r.compareByOriginalPositions=compareByOriginalPositions;function compareByGeneratedPositionsDeflated(e,r,n){var t=e.generatedLine-r.generatedLine;if(t!==0){return t}t=e.generatedColumn-r.generatedColumn;if(t!==0||n){return t}t=strcmp(e.source,r.source);if(t!==0){return t}t=e.originalLine-r.originalLine;if(t!==0){return t}t=e.originalColumn-r.originalColumn;if(t!==0){return t}return strcmp(e.name,r.name)}r.compareByGeneratedPositionsDeflated=compareByGeneratedPositionsDeflated;function strcmp(e,r){if(e===r){return 0}if(e===null){return 1}if(r===null){return-1}if(e>r){return 1}return-1}function compareByGeneratedPositionsInflated(e,r){var n=e.generatedLine-r.generatedLine;if(n!==0){return n}n=e.generatedColumn-r.generatedColumn;if(n!==0){return n}n=strcmp(e.source,r.source);if(n!==0){return n}n=e.originalLine-r.originalLine;if(n!==0){return n}n=e.originalColumn-r.originalColumn;if(n!==0){return n}return strcmp(e.name,r.name)}r.compareByGeneratedPositionsInflated=compareByGeneratedPositionsInflated;function parseSourceMapInput(e){return JSON.parse(e.replace(/^\)]}'[^\n]*\n/,""))}r.parseSourceMapInput=parseSourceMapInput;function computeSourceURL(e,r,n){r=r||"";if(e){if(e[e.length-1]!=="/"&&r[0]!=="/"){e+="/"}r=e+r}if(n){var t=urlParse(n);
if(!t){throw new Error("sourceMapURL could not be parsed")}if(t.path){var o=t.path.lastIndexOf("/");