tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Source-sourceMapURL.js (2791B)

      1 // Source.prototype.sourceMapURL can be a string or null.
      2 
      3 let g = newGlobal({newCompartment: true});
      4 let dbg = new Debugger;
      5 let gw = dbg.addDebuggee(g);
      6 
      7 function getSourceMapURL() {
      8    let fw = gw.makeDebuggeeValue(g.f);
      9    return fw.script.source.sourceMapURL;
     10 }
     11 
     12 function setSourceMapURL(url) {
     13    let fw = gw.makeDebuggeeValue(g.f);
     14    fw.script.source.sourceMapURL = url;
     15 }
     16 
     17 // Without a source map
     18 g.evaluate("function f(x) { return 2*x; }");
     19 assertEq(getSourceMapURL(), null);
     20 
     21 // With a source map
     22 g.evaluate("function f(x) { return 2*x; }", {sourceMapURL: 'file:///var/foo.js.map'});
     23 assertEq(getSourceMapURL(), 'file:///var/foo.js.map');
     24 
     25 // Nested functions
     26 let fired = false;
     27 dbg.onDebuggerStatement = function (frame) {
     28    fired = true;
     29    assertEq(frame.script.source.sourceMapURL, 'file:///var/bar.js.map');
     30 };
     31 g.evaluate('(function () { (function () { debugger; })(); })();',
     32           {sourceMapURL: 'file:///var/bar.js.map'});
     33 assertEq(fired, true);
     34 
     35 // Comment pragmas
     36 g.evaluate('function f() {}\n' +
     37           '//# sourceMappingURL=file:///var/quux.js.map');
     38 assertEq(getSourceMapURL(), 'file:///var/quux.js.map');
     39 
     40 g.evaluate('function f() {}\n' +
     41           '/*//# sourceMappingURL=file:///var/quux.js.map*/');
     42 assertEq(getSourceMapURL(), 'file:///var/quux.js.map');
     43 
     44 g.evaluate('function f() {}\n' +
     45           '/*\n' +
     46           '//# sourceMappingURL=file:///var/quux.js.map\n' +
     47           '*/');
     48 assertEq(getSourceMapURL(), 'file:///var/quux.js.map');
     49 
     50 // Spaces are disallowed by the URL spec (they should have been
     51 // percent-encoded).
     52 g.evaluate('function f() {}\n' +
     53           '//# sourceMappingURL=http://example.com/has illegal spaces.map');
     54 assertEq(getSourceMapURL(), 'http://example.com/has');
     55 
     56 // When the URL is missing, we don't set the sourceMapURL and we don't skip the
     57 // next line of input.
     58 g.evaluate('function f() {}\n' +
     59           '//# sourceMappingURL=\n' +
     60           'function z() {}');
     61 assertEq(getSourceMapURL(), null);
     62 assertEq('z' in g, true);
     63 
     64 // The last comment pragma we see should be the one which sets the source map's
     65 // URL.
     66 g.evaluate('function f() {}\n' +
     67           '//# sourceMappingURL=http://example.com/foo.js.map\n' +
     68           '//# sourceMappingURL=http://example.com/bar.js.map');
     69 assertEq(getSourceMapURL(), 'http://example.com/bar.js.map');
     70 
     71 // With both a comment and the evaluate option.
     72 g.evaluate('function f() {}\n' +
     73           '//# sourceMappingURL=http://example.com/foo.js.map',
     74           {sourceMapURL: 'http://example.com/bar.js.map'});
     75 assertEq(getSourceMapURL(), 'http://example.com/foo.js.map');
     76 
     77 // Make sure setting the sourceMapURL manually works
     78 setSourceMapURL('baz.js.map');
     79 assertEq(getSourceMapURL(), 'baz.js.map');
     80 
     81 setSourceMapURL('');
     82 assertEq(getSourceMapURL(), 'baz.js.map');