From c41333d16df20b426422cd87d90867886db3ebac Mon Sep 17 00:00:00 2001 From: isaacs Date: Tue, 31 Aug 2021 08:18:14 -0700 Subject: [PATCH 1/3] fix: replace build.js curl call with node https This was occasionally causing my machine to spin on CPU indefinitely while trying to download the Closure Compiler output. It would perhaps be better to investigate what is wrong with curl on my machine, but since Node has a pretty nice built-in HTTPS client, I figured it'd be easier to just cut out the external system dependency entirely. --- build.js | 39 ++++++++++++++++++++++++++++++++------- 1 file changed, 32 insertions(+), 7 deletions(-) diff --git a/build.js b/build.js index d6d42d3..674f81c 100755 --- a/build.js +++ b/build.js @@ -33,18 +33,43 @@ run(browserify + ' .temp.js', function(error, stdout) { ].join('\n'); // Use the online Google Closure Compiler service for minification - fs.writeFileSync('.temp.js', querystring.stringify({ + var body = Buffer.from(querystring.stringify({ compilation_level: 'SIMPLE_OPTIMIZATIONS', output_info: 'compiled_code', output_format: 'text', js_code: code })); - run('curl -d @.temp.js "https://closure-compiler.appspot.com/compile"', function(error, stdout) { - if (error) throw error; - var code = header + '\n' + stdout; - fs.unlinkSync('.temp.js'); - fs.writeFileSync('browser-source-map-support.js', code); - fs.writeFileSync('amd-test/browser-source-map-support.js', code); + console.log('making request to google closure compiler'); + var https = require('https'); + var request = https.request({ + method: 'POST', + host: 'closure-compiler.appspot.com', + path: '/compile', + headers: { + 'content-length': body.length, + 'content-type': 'application/x-www-form-urlencoded' + }, + }); + request.end(body); + request.on('response', function(response) { + if (response.statusCode !== 200) { + response.pipe(process.stderr); + response.on('end', function() { + throw new Error('failed to post to closure compiler'); + }); + return; + } + + var data = []; + response.on('data', function(chunk) { + data.push(chunk); + }); + response.on('end', function() { + var stdout = Buffer.concat(data); + var code = header + '\n' + stdout; + fs.writeFileSync('browser-source-map-support.js', code); + fs.writeFileSync('amd-test/browser-source-map-support.js', code); + }); }); }); From 121090f2eb1771673155a3db2fbb9205a1ceffeb Mon Sep 17 00:00:00 2001 From: isaacs Date: Tue, 31 Aug 2021 08:21:02 -0700 Subject: [PATCH 2/3] fix(test): fix writeFileSync on newer node versions fs.writeFileSync no longer stringifies arguments, instead throwing if it receives something that is not a proper String or Buffer. --- test.js | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/test.js b/test.js index ef7ad55..02f1845 100644 --- a/test.js +++ b/test.js @@ -86,7 +86,7 @@ function createMultiLineSourceMapWithSourcesContent() { function compareStackTrace(sourceMap, source, expected) { // Check once with a separate source map - fs.writeFileSync('.generated.js.map', sourceMap); + fs.writeFileSync('.generated.js.map', String(sourceMap)); fs.writeFileSync('.generated.js', 'exports.test = function() {' + source.join('\n') + '};//@ sourceMappingURL=.generated.js.map'); try { @@ -113,7 +113,7 @@ function compareStackTrace(sourceMap, source, expected) { function compareStdout(done, sourceMap, source, expected) { fs.writeFileSync('.original.js', 'this is the original code'); - fs.writeFileSync('.generated.js.map', sourceMap); + fs.writeFileSync('.generated.js.map', String(sourceMap)); fs.writeFileSync('.generated.js', source.join('\n') + '//@ sourceMappingURL=.generated.js.map'); child_process.exec('node ./.generated', function(error, stdout, stderr) { @@ -616,7 +616,7 @@ it('handleUncaughtExceptions is true with existing listener', function(done) { ]; fs.writeFileSync('.original.js', 'this is the original code'); - fs.writeFileSync('.generated.js.map', createSingleLineSourceMap()); + fs.writeFileSync('.generated.js.map', String(createSingleLineSourceMap())); fs.writeFileSync('.generated.js', source.join('\n')); child_process.exec('node ./.generated', function(error, stdout, stderr) { From dd868f610cdc1b06671d5fe306a22841337a6503 Mon Sep 17 00:00:00 2001 From: isaacs Date: Tue, 31 Aug 2021 08:23:23 -0700 Subject: [PATCH 3/3] fix: do not crash if process is not set This is the last item preventing node-tap from being browser-friendly. 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b+2};e.prototype.writeInt16BE=function(a, +b,h){a=+a;b>>>=0;h||m(this,a,b,2,32767,-32768);e.TYPED_ARRAY_SUPPORT?(this[b]=a>>>8,this[b+1]=a):f(this,a,b,!1);return b+2};e.prototype.writeInt32LE=function(a,b,h){a=+a;b>>>=0;h||m(this,a,b,4,2147483647,-2147483648);e.TYPED_ARRAY_SUPPORT?(this[b]=a,this[b+1]=a>>>8,this[b+2]=a>>>16,this[b+3]=a>>>24):c(this,a,b,!0);return b+4};e.prototype.writeInt32BE=function(a,b,h){a=+a;b>>>=0;h||m(this,a,b,4,2147483647,-2147483648);0>a&&(a=4294967295+a+1);e.TYPED_ARRAY_SUPPORT?(this[b]=a>>>24,this[b+1]=a>>>16,this[b+ +2]=a>>>8,this[b+3]=a):c(this,a,b,!1);return b+4};e.prototype.writeFloatLE=function(a,b,h){return q(this,a,b,!0,h)};e.prototype.writeFloatBE=function(a,b,h){return q(this,a,b,!1,h)};e.prototype.writeDoubleLE=function(a,b,h){return r(this,a,b,!0,h)};e.prototype.writeDoubleBE=function(a,b,h){return 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d=m?1:-1,g=0>p||0===p&&0>1/p?1:0;p=Math.abs(p);isNaN(p)||Infinity===p?(p=isNaN(p)?1:0,m=r):(m=Math.floor(Math.log(p)/Math.LN2),1>p*(l=Math.pow(2,-m))&&(m--,l*=2),p=1<=m+k?p+u/l:p+u*Math.pow(2,1-k),2<=p*l&&(m++,l/=2),m+k>=r?(p=0,m=r):1<=m+k?(p=(p*l-1)*Math.pow(2,f),m+=k):(p=p*Math.pow(2,k-1)*Math.pow(2,f),m=0));for(;8<=f;e[t+c]=p&255,c+= +d,p/=256,f-=8);m=m<z?[]:n.slice(v,z-v+1)}c=A.resolve(c).substr(1);l=A.resolve(l).substr(1); +for(var r=q(c.split("/")),k=q(l.split("/")),u=Math.min(r.length,k.length),d=u,g=0;gl&&(l=c.length+l);return c.substr(l,q)}}).call(this,C("g5I+bs"))},{"g5I+bs":9}],9:[function(C,J,A){function e(){}C=J.exports={};C.nextTick=function(){if("undefined"!==typeof window&&window.setImmediate)return function(t){return window.setImmediate(t)};if("undefined"!==typeof window&&window.postMessage&&window.addEventListener){var p=[];window.addEventListener("message",function(t){var m=t.source;m!==window&&null!== +m||"process-tick"!==t.data||(t.stopPropagation(),0p?(-p<<1)+1:p<<1;do p=m&31,m>>>=5,0=f)throw Error("Expected more digits in base 64 VLQ value.");var q=e.decode(p.charCodeAt(t++));if(-1===q)throw Error("Invalid base64 digit: "+p.charAt(t-1));var r=!!(q&32);q&=31;c+=q<>1;m.value=1===(c&1)?-p:p;m.rest=t}},{"./base64":12}],12:[function(C, +J,A){var e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");A.encode=function(p){if(0<=p&&p=p?p-65:97<=p&&122>=p?p-97+26:48<=p&&57>=p?p-48+52:43==p?62:47==p?63:-1}},{}],13:[function(C,J,A){function e(p,t,m,f,c,l){var q=Math.floor((t-p)/2)+p,r=c(m,f[q],!0);return 0===r?q:0p?-1:p}A.GREATEST_LOWER_BOUND=1;A.LEAST_UPPER_BOUND=2;A.search=function(p,t,m,f){if(0===t.length)return-1;p=e(-1,t.length,p,t,m,f||A.GREATEST_LOWER_BOUND);if(0>p)return-1;for(;0<=p-1&&0===m(t[p],t[p-1],!0);)--p;return p}},{}],14:[function(C,J,A){function e(){this._array=[];this._sorted=!0;this._last={generatedLine:-1,generatedColumn:0}}var p=C("./util");e.prototype.unsortedForEach=function(t,m){this._array.forEach(t,m)};e.prototype.add=function(t){var m=this._last,f=m.generatedLine, +c=t.generatedLine,l=m.generatedColumn,q=t.generatedColumn;c>f||c==f&&q>=l||0>=p.compareByGeneratedPositionsInflated(m,t)?this._last=t:this._sorted=!1;this._array.push(t)};e.prototype.toArray=function(){this._sorted||(this._array.sort(p.compareByGeneratedPositionsInflated),this._sorted=!0);return this._array};A.MappingList=e},{"./util":19}],15:[function(C,J,A){function e(t,m,f){var c=t[m];t[m]=t[f];t[f]=c}function p(t,m,f,c){if(f=m(t[r],q)&&(l+=1,e(t,l,r));e(t,l+1,r);l+=1;p(t,m,f,l-1);p(t,m,l+1,c)}}A.quickSort=function(t,m){p(t,m,0,t.length-1)}},{}],16:[function(C,J,A){function e(k,u){var d=k;"string"===typeof k&&(d=f.parseSourceMapInput(k));return null!=d.sections?new m(d,u):new p(d,u)}function p(k,u){var d=k;"string"===typeof k&&(d=f.parseSourceMapInput(k));var g=f.getArg(d,"version"),n=f.getArg(d,"sources"),v=f.getArg(d,"names",[]),z=f.getArg(d,"sourceRoot",null),G=f.getArg(d,"sourcesContent",null),D=f.getArg(d, +"mappings");d=f.getArg(d,"file",null);if(g!=this._version)throw Error("Unsupported version: "+g);z&&(z=f.normalize(z));n=n.map(String).map(f.normalize).map(function(L){return z&&f.isAbsolute(z)&&f.isAbsolute(L)?f.relative(z,L):L});this._names=l.fromArray(v.map(String),!0);this._sources=l.fromArray(n,!0);this.sourceRoot=z;this.sourcesContent=G;this._mappings=D;this._sourceMapURL=u;this.file=d}function t(){this.generatedColumn=this.generatedLine=0;this.name=this.originalColumn=this.originalLine=this.source= +null}function m(k,u){var d=k;"string"===typeof k&&(d=f.parseSourceMapInput(k));var g=f.getArg(d,"version");d=f.getArg(d,"sections");if(g!=this._version)throw Error("Unsupported version: "+g);this._sources=new l;this._names=new l;var n={line:-1,column:0};this._sections=d.map(function(v){if(v.url)throw Error("Support for url field in sections not implemented.");var z=f.getArg(v,"offset"),G=f.getArg(z,"line"),D=f.getArg(z,"column");if(G=k[d])throw new TypeError("Line must be greater than or equal to 1, got "+ +k[d]);if(0>k[g])throw new TypeError("Column must be greater than or equal to 0, got "+k[g]);return c.search(k,u,n,v)};p.prototype.computeColumnSpans=function(){for(var k=0;k=this._sources.size()&&!this.sourcesContent.some(function(k){return null==k}):!1};p.prototype.sourceContentFor=function(k,u){if(!this.sourcesContent)return null;var d=k;null!=this.sourceRoot&&(d=f.relative(this.sourceRoot,d));if(this._sources.has(d))return this.sourcesContent[this._sources.indexOf(d)]; +var g=this.sources,n;for(n=0;n +g||95!==d.charCodeAt(g-1)||95!==d.charCodeAt(g-2)||111!==d.charCodeAt(g-3)||116!==d.charCodeAt(g-4)||111!==d.charCodeAt(g-5)||114!==d.charCodeAt(g-6)||112!==d.charCodeAt(g-7)||95!==d.charCodeAt(g-8)||95!==d.charCodeAt(g-9))return!1;for(g-=10;0<=g;g--)if(36!==d.charCodeAt(g))return!1;return!0}function r(d,g){return d===g?0:null===d?1:null===g?-1:d>g?1:-1}A.getArg=function(d,g,n){if(g in d)return d[g];if(3===arguments.length)return n;throw Error('"'+g+'" is a required argument.');};var k=/^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/, +u=/^data:.+,.+$/;A.urlParse=e;A.urlGenerate=p;A.normalize=t;A.join=m;A.isAbsolute=function(d){return"/"===d.charAt(0)||k.test(d)};A.relative=function(d,g){""===d&&(d=".");d=d.replace(/\/$/,"");for(var n=0;0!==g.indexOf(d+"/");){var v=d.lastIndexOf("/");if(0>v)return g;d=d.slice(0,v);if(d.match(/^([^\/]+:\/)?\/*$/))return g;++n}return Array(n+1).join("../")+g.substr(d.length+1)};C=!("__proto__"in Object.create(null));A.toSetString=C?f:c;A.fromSetString=C?f:l;A.compareByOriginalPositions=function(d, +g,n){var v=r(d.source,g.source);if(0!==v)return v;v=d.originalLine-g.originalLine;if(0!==v)return v;v=d.originalColumn-g.originalColumn;if(0!==v||n)return v;v=d.generatedColumn-g.generatedColumn;if(0!==v)return v;v=d.generatedLine-g.generatedLine;return 0!==v?v:r(d.name,g.name)};A.compareByGeneratedPositionsDeflated=function(d,g,n){var v=d.generatedLine-g.generatedLine;if(0!==v)return v;v=d.generatedColumn-g.generatedColumn;if(0!==v||n)return v;v=r(d.source,g.source);if(0!==v)return v;v=d.originalLine- +g.originalLine;if(0!==v)return v;v=d.originalColumn-g.originalColumn;return 0!==v?v:r(d.name,g.name)};A.compareByGeneratedPositionsInflated=function(d,g){var n=d.generatedLine-g.generatedLine;if(0!==n)return n;n=d.generatedColumn-g.generatedColumn;if(0!==n)return n;n=r(d.source,g.source);if(0!==n)return n;n=d.originalLine-g.originalLine;if(0!==n)return n;n=d.originalColumn-g.originalColumn;return 0!==n?n:r(d.name,g.name)};A.parseSourceMapInput=function(d){return JSON.parse(d.replace(/^\)]}'[^\n]*\n/, +""))};A.computeSourceURL=function(d,g,n){g=g||"";d&&("/"!==d[d.length-1]&&"/"!==g[0]&&(d+="/"),g=d+g);if(n){d=e(n);if(!d)throw Error("sourceMapURL could not be parsed");d.path&&(n=d.path.lastIndexOf("/"),0<=n&&(d.path=d.path.substring(0,n+1)));g=m(p(d),g)}return t(g)}},{}],20:[function(C,J,A){A.SourceMapGenerator=C("./lib/source-map-generator").SourceMapGenerator;A.SourceMapConsumer=C("./lib/source-map-consumer").SourceMapConsumer;A.SourceNode=C("./lib/source-node").SourceNode},{"./lib/source-map-consumer":16, +"./lib/source-map-generator":17,"./lib/source-node":18}],21:[function(C,J,A){(function(e){function p(){return"browser"===a?!0:"node"===a?!1:"undefined"!==typeof window&&"function"===typeof XMLHttpRequest&&!(window.require&&window.module&&window.process&&"renderer"===window.process.type)}function t(x){return function(B){for(var F=0;F";B=this.getLineNumber();null!=B&&(x+=":"+B,(B= +this.getColumnNumber())&&(x+=":"+B))}B="";var F=this.getFunctionName(),E=!0,I=this.isConstructor();if(this.isToplevel()||I)I?B+="new "+(F||""):F?B+=F:(B+=x,E=!1);else{I=this.getTypeName();"[object Object]"===I&&(I="null");var M=this.getMethodName();F?(I&&0!=F.indexOf(I)&&(B+=I+"."),B+=F,M&&F.indexOf("."+M)!=F.length-M.length-1&&(B+=" [as "+M+"]")):B+=I+"."+(M||"")}E&&(B+=" ("+x+")");return B}function q(x){var B={};Object.getOwnPropertyNames(Object.getPrototypeOf(x)).forEach(function(F){B[F]= +/^(?:is|get)/.test(F)?function(){return x[F].call(x)}:x[F]});B.toString=l;return B}function r(x,B){void 0===B&&(B={nextPosition:null,curPosition:null});if(x.isNative())return B.curPosition=null,x;var F=x.getFileName()||x.getScriptNameOrSourceURL();if(F){var E=x.getLineNumber(),I=x.getColumnNumber()-1,M=/^v(10\.1[6-9]|10\.[2-9][0-9]|10\.[0-9]{3,}|1[2-9]\d*|[2-9]\d|\d{3,}|11\.11)/.test("object"===typeof e?e.version:"")?0:62;1===E&&I>M&&!p()&&!x.isEval()&&(I-=M);var O=f({source:F,line:E,column:I});B.curPosition= +O;x=q(x);var S=x.getFunctionName;x.getFunctionName=function(){return null==B.nextPosition?S():B.nextPosition.name||S()};x.getFileName=function(){return O.source};x.getLineNumber=function(){return O.line};x.getColumnNumber=function(){return O.column+1};x.getScriptNameOrSourceURL=function(){return O.source};return x}var Q=x.isEval()&&x.getEvalOrigin();Q&&(Q=c(Q),x=q(x),x.getEvalOrigin=function(){return Q});return x}function k(x,B){L&&(b={},h={});for(var F=(x.name||"Error")+": "+(x.message||""),E={nextPosition:null, +curPosition:null},I=[],M=B.length-1;0<=M;M--)I.push("\n at "+r(B[M],E)),E.nextPosition=E.curPosition;E.curPosition=E.nextPosition=null;return F+I.reverse().join("")}function u(x){var B=/\n at [^(]+ \((.*):(\d+):(\d+)\)/.exec(x.stack);if(B){x=B[1];var F=+B[2];B=+B[3];var E=b[x];if(!E&&v&&v.existsSync(x))try{E=v.readFileSync(x,"utf8")}catch(I){E=""}if(E&&(E=E.split(/(?:\r\n|\r|\n)/)[F-1]))return x+":"+F+"\n"+E+"\n"+Array(B).join(" ")+"^"}return null}function d(){var x=e.emit;e.emit=function(B){if("uncaughtException"=== +B){var F=arguments[1]&&arguments[1].stack,E=0 headerLength && !isInBrowser() && !frame.isEval()) { column -= headerLength; } @@ -466,8 +486,9 @@ function printErrorAndExit (error) { var source = getErrorSource(error); // Ensure error is printed synchronously and not truncated - if (process.stderr._handle && process.stderr._handle.setBlocking) { - process.stderr._handle.setBlocking(true); + var stderr = globalProcessStderr(); + if (stderr && stderr._handle && stderr._handle.setBlocking) { + stderr._handle.setBlocking(true); } if (source) { @@ -476,7 +497,7 @@ function printErrorAndExit (error) { } console.error(error.stack); - process.exit(1); + globalProcessExit(1); } function shimEmitUncaughtException () { diff --git a/test.js b/test.js index 02f1845..ff7bd48 100644 --- a/test.js +++ b/test.js @@ -144,6 +144,30 @@ it('normal throw', function() { ]); }); +it('does not crash on missing process object', function() { + var proc = process; + compareStackTrace(createMultiLineSourceMap(), [ + 'global.process = null;', + 'throw new Error("test");' + ], [ + 'Error: test', + /^ at Object\.exports\.test \((?:.*[/\\])?line2\.js:1002:102\)$/ + ]); + global.process = proc; +}); + +it('does not crash on missing process.stderr', function() { + var stderr = process.stderr; + compareStackTrace(createMultiLineSourceMap(), [ + 'process.stderr = null;', + 'throw new Error("test");' + ], [ + 'Error: test', + /^ at Object\.exports\.test \((?:.*[/\\])?line2\.js:1002:102\)$/ + ]); + process.stderr = stderr; +}); + /* The following test duplicates some of the code in * `normal throw` but triggers file read failure. */