diff --git a/javascript/extractor/src/com/semmle/js/extractor/JSExtractor.java b/javascript/extractor/src/com/semmle/js/extractor/JSExtractor.java
index 51121ba4c6e..c8ef8b32b49 100644
--- a/javascript/extractor/src/com/semmle/js/extractor/JSExtractor.java
+++ b/javascript/extractor/src/com/semmle/js/extractor/JSExtractor.java
@@ -130,7 +130,7 @@ public class JSExtractor {
       if (!config.isTolerateParseErrors()) throw parseError;
       Label key = trapwriter.freshLabel();
       String errorLine = textualExtractor.getLine(parseError.getPosition().getLine());
-      trapwriter.addTuple("jsParseErrors", key, toplevelLabel, "Error: " + parseError, errorLine);
+      trapwriter.addTuple("js_parse_errors", key, toplevelLabel, "Error: " + parseError, errorLine);
       locationManager.emitErrorLocation(
           key, parseError.getPosition(), textualExtractor.getNumLines());
       lexicalExtractor.extractLines(source, toplevelLabel);
diff --git a/javascript/extractor/tests/encoding/output/trap/zwsp.js.trap b/javascript/extractor/tests/encoding/output/trap/zwsp.js.trap
index 60c812c4c89..f74356384ba 100644
--- a/javascript/extractor/tests/encoding/output/trap/zwsp.js.trap
+++ b/javascript/extractor/tests/encoding/output/trap/zwsp.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected character '​' (U+200B)","​
+js_parse_errors(#20003,#20001,"Error: Unexpected character '​' (U+200B)","​
 ")
 hasLocation(#20003,#20002)
 #20004=*
diff --git a/javascript/extractor/tests/errors/output/trap/errors.js.trap b/javascript/extractor/tests/errors/output/trap/errors.js.trap
index e5afaf5044a..56265a4cceb 100644
--- a/javascript/extractor/tests/errors/output/trap/errors.js.trap
+++ b/javascript/extractor/tests/errors/output/trap/errors.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","hi~~")
+js_parse_errors(#20003,#20001,"Error: Unexpected token","hi~~")
 #20004=@"loc,{#10000},1,3,1,3"
 locations_default(#20004,#10000,1,3,1,3)
 hasLocation(#20003,#20004)
diff --git a/javascript/extractor/tests/errors/output/trap/incomplete.js.trap b/javascript/extractor/tests/errors/output/trap/incomplete.js.trap
index 84bd91ea037..3e950d57691 100644
--- a/javascript/extractor/tests/errors/output/trap/incomplete.js.trap
+++ b/javascript/extractor/tests/errors/output/trap/incomplete.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","")
+js_parse_errors(#20003,#20001,"Error: Unexpected token","")
 hasLocation(#20003,#20002)
 #20004=*
 lines(#20004,#20001,"if (b) {","
diff --git a/javascript/extractor/tests/errors/output/trap/invalid-assignment-pattern.js.trap b/javascript/extractor/tests/errors/output/trap/invalid-assignment-pattern.js.trap
index f49b3a1cc8d..4d01e4e9373 100644
--- a/javascript/extractor/tests/errors/output/trap/invalid-assignment-pattern.js.trap
+++ b/javascript/extractor/tests/errors/output/trap/invalid-assignment-pattern.js.trap
@@ -105,7 +105,7 @@ successor(#20025,#20026)
 successor(#20022,#20030)
 successor(#20028,#20021)
 #20031=*
-jsParseErrors(#20031,#20001,"Error: Unexpected assignment pattern.","(x = 0) = y
+js_parse_errors(#20031,#20001,"Error: Unexpected assignment pattern.","(x = 0) = y
 ")
 hasLocation(#20031,#20007)
 #20032=*
diff --git a/javascript/extractor/tests/errors/output/trap/kwident.js.trap b/javascript/extractor/tests/errors/output/trap/kwident.js.trap
index 9974ec4795a..14d3767ff8a 100644
--- a/javascript/extractor/tests/errors/output/trap/kwident.js.trap
+++ b/javascript/extractor/tests/errors/output/trap/kwident.js.trap
@@ -90,7 +90,7 @@ successor(#20021,#20022)
 successor(#20019,#20025)
 successor(#20023,#20018)
 #20026=*
-jsParseErrors(#20026,#20001,"Error: Cannot use keyword 'class' as an identifier.","var class = 23;
+js_parse_errors(#20026,#20001,"Error: Cannot use keyword 'class' as an identifier.","var class = 23;
 ")
 #20027=@"loc,{#10000},1,5,1,5"
 locations_default(#20027,#10000,1,5,1,5)
diff --git a/javascript/extractor/tests/errors/output/trap/weirdassign.js.trap b/javascript/extractor/tests/errors/output/trap/weirdassign.js.trap
index c768fdecdbf..9569931fc2a 100644
--- a/javascript/extractor/tests/errors/output/trap/weirdassign.js.trap
+++ b/javascript/extractor/tests/errors/output/trap/weirdassign.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","a %*= 1")
+js_parse_errors(#20003,#20001,"Error: Unexpected token","a %*= 1")
 #20004=@"loc,{#10000},1,4,1,4"
 locations_default(#20004,#10000,1,4,1,4)
 hasLocation(#20003,#20004)
diff --git a/javascript/extractor/tests/es2015/output/trap/restparms2.js.trap b/javascript/extractor/tests/es2015/output/trap/restparms2.js.trap
index a680f8a7a3f..d1ace3d0446 100644
--- a/javascript/extractor/tests/es2015/output/trap/restparms2.js.trap
+++ b/javascript/extractor/tests/es2015/output/trap/restparms2.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","function f(x, ...[y, z]) {
+js_parse_errors(#20003,#20001,"Error: Unexpected token","function f(x, ...[y, z]) {
 ")
 #20004=@"loc,{#10000},1,18,1,18"
 locations_default(#20004,#10000,1,18,1,18)
diff --git a/javascript/extractor/tests/es2015/output/trap/unknown_meta_property.js.trap b/javascript/extractor/tests/es2015/output/trap/unknown_meta_property.js.trap
index 49ee2fffeb9..abaddc6dba2 100644
--- a/javascript/extractor/tests/es2015/output/trap/unknown_meta_property.js.trap
+++ b/javascript/extractor/tests/es2015/output/trap/unknown_meta_property.js.trap
@@ -145,7 +145,7 @@ successor(#20044,#20035)
 successor(#20032,#20031)
 successor(#20041,#20032)
 #20046=*
-jsParseErrors(#20046,#20001,"Error: The only valid meta property for new is new.target","  new.source;
+js_parse_errors(#20046,#20001,"Error: The only valid meta property for new is new.target","  new.source;
 ")
 #20047=@"loc,{#10000},2,7,2,7"
 locations_default(#20047,#10000,2,7,2,7)
diff --git a/javascript/extractor/tests/es2016/output/trap/usestrict.js.trap b/javascript/extractor/tests/es2016/output/trap/usestrict.js.trap
index f0c4a84481d..6f7734a9a85 100644
--- a/javascript/extractor/tests/es2016/output/trap/usestrict.js.trap
+++ b/javascript/extractor/tests/es2016/output/trap/usestrict.js.trap
@@ -157,7 +157,7 @@ successor(#20046,#20035)
 successor(#20030,#20029)
 successor(#20043,#20030)
 #20048=*
-jsParseErrors(#20048,#20001,"Error: Illegal 'use strict' directive in function with non-simple parameter list","function f(a=2) { 'use strict'; }")
+js_parse_errors(#20048,#20001,"Error: Illegal 'use strict' directive in function with non-simple parameter list","function f(a=2) { 'use strict'; }")
 #20049=@"loc,{#10000},1,19,1,19"
 locations_default(#20049,#10000,1,19,1,19)
 hasLocation(#20048,#20049)
diff --git a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad1.js.trap b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad1.js.trap
index 52d3ee0229d..5e4dc3945c1 100644
--- a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad1.js.trap
+++ b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad1.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","new a?.();")
+js_parse_errors(#20003,#20001,"Error: Unexpected token","new a?.();")
 #20004=@"loc,{#10000},1,8,1,8"
 locations_default(#20004,#10000,1,8,1,8)
 hasLocation(#20003,#20004)
diff --git a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad2.js.trap b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad2.js.trap
index 81d26f56f26..49cf106dca3 100644
--- a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad2.js.trap
+++ b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad2.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: An optional chain may not be used in a tagged template expression.","a?.`{b}`;")
+js_parse_errors(#20003,#20001,"Error: An optional chain may not be used in a tagged template expression.","a?.`{b}`;")
 hasLocation(#20003,#20002)
 #20004=*
 lines(#20004,#20001,"a?.`{b}`;","")
diff --git a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad3.js.trap b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad3.js.trap
index e7c42643fce..b697e0f4da1 100644
--- a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad3.js.trap
+++ b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad3.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: An optional chain may not be used in a `new` expression.","new a?.b();")
+js_parse_errors(#20003,#20001,"Error: An optional chain may not be used in a `new` expression.","new a?.b();")
 #20004=@"loc,{#10000},1,5,1,5"
 locations_default(#20004,#10000,1,5,1,5)
 hasLocation(#20003,#20004)
diff --git a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad4.js.trap b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad4.js.trap
index 19386282c21..05a06c72b23 100644
--- a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad4.js.trap
+++ b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad4.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: An optional chain may not be used in a tagged template expression.","a?.b`{c}`;")
+js_parse_errors(#20003,#20001,"Error: An optional chain may not be used in a tagged template expression.","a?.b`{c}`;")
 hasLocation(#20003,#20002)
 #20004=*
 lines(#20004,#20001,"a?.b`{c}`;","")
diff --git a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad5.js.trap b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad5.js.trap
index ceb1648c62b..6e5c528aa5f 100644
--- a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad5.js.trap
+++ b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad5.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Invalid left-hand side in assignment","a?.b = c;")
+js_parse_errors(#20003,#20001,"Error: Invalid left-hand side in assignment","a?.b = c;")
 hasLocation(#20003,#20002)
 #20004=*
 lines(#20004,#20001,"a?.b = c;","")
diff --git a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad6.js.trap b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad6.js.trap
index f328b18d0c1..cb078002809 100644
--- a/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad6.js.trap
+++ b/javascript/extractor/tests/esnext/output/trap/optional-chaining_bad6.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: An optional chain may not be used in a `new` expression.","new a.b?.c();
+js_parse_errors(#20003,#20001,"Error: An optional chain may not be used in a `new` expression.","new a.b?.c();
 ")
 #20004=@"loc,{#10000},1,5,1,5"
 locations_default(#20004,#10000,1,5,1,5)
diff --git a/javascript/extractor/tests/flow/output/trap/boundExplicitTypeParameters.js.trap b/javascript/extractor/tests/flow/output/trap/boundExplicitTypeParameters.js.trap
index 3424f5a63a6..64fd25704ad 100644
--- a/javascript/extractor/tests/flow/output/trap/boundExplicitTypeParameters.js.trap
+++ b/javascript/extractor/tests/flow/output/trap/boundExplicitTypeParameters.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","var b = ::o.m<T>;")
+js_parse_errors(#20003,#20001,"Error: Unexpected token","var b = ::o.m<T>;")
 #20004=@"loc,{#10000},1,17,1,17"
 locations_default(#20004,#10000,1,17,1,17)
 hasLocation(#20003,#20004)
diff --git a/javascript/extractor/tests/flow/output/trap/importNonTypeInDeclaredModule.js.trap b/javascript/extractor/tests/flow/output/trap/importNonTypeInDeclaredModule.js.trap
index 21e3081e298..6d98783360f 100644
--- a/javascript/extractor/tests/flow/output/trap/importNonTypeInDeclaredModule.js.trap
+++ b/javascript/extractor/tests/flow/output/trap/importNonTypeInDeclaredModule.js.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Imports within a `declare module` body must always be `import type` or `import typeof`.","  import {
+js_parse_errors(#20003,#20001,"Error: Imports within a `declare module` body must always be `import type` or `import typeof`.","  import {
 ")
 #20004=@"loc,{#10000},2,3,2,3"
 locations_default(#20004,#10000,2,3,2,3)
diff --git a/javascript/extractor/tests/jsx/output/trap/err1.jsx.trap b/javascript/extractor/tests/jsx/output/trap/err1.jsx.trap
index c19eb4b515f..93201c3cb72 100644
--- a/javascript/extractor/tests/jsx/output/trap/err1.jsx.trap
+++ b/javascript/extractor/tests/jsx/output/trap/err1.jsx.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","</>
+js_parse_errors(#20003,#20001,"Error: Unexpected token","</>
 ")
 #20004=@"loc,{#10000},1,2,1,2"
 locations_default(#20004,#10000,1,2,1,2)
diff --git a/javascript/extractor/tests/jsx/output/trap/err2.jsx.trap b/javascript/extractor/tests/jsx/output/trap/err2.jsx.trap
index 6cd6cf49bc0..0e01749f43a 100644
--- a/javascript/extractor/tests/jsx/output/trap/err2.jsx.trap
+++ b/javascript/extractor/tests/jsx/output/trap/err2.jsx.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unterminated JSX contents","<>
+js_parse_errors(#20003,#20001,"Error: Unterminated JSX contents","<>
 ")
 #20004=@"loc,{#10000},1,3,1,3"
 locations_default(#20004,#10000,1,3,1,3)
diff --git a/javascript/extractor/tests/jsx/output/trap/err3.jsx.trap b/javascript/extractor/tests/jsx/output/trap/err3.jsx.trap
index 2450d3776dc..9105d2a0dcd 100644
--- a/javascript/extractor/tests/jsx/output/trap/err3.jsx.trap
+++ b/javascript/extractor/tests/jsx/output/trap/err3.jsx.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Expected corresponding JSX closing tag for <a>","<a></>
+js_parse_errors(#20003,#20001,"Error: Expected corresponding JSX closing tag for <a>","<a></>
 ")
 #20004=@"loc,{#10000},1,4,1,4"
 locations_default(#20004,#10000,1,4,1,4)
diff --git a/javascript/extractor/tests/jsx/output/trap/err4.jsx.trap b/javascript/extractor/tests/jsx/output/trap/err4.jsx.trap
index 22f018c4498..7b73628781e 100644
--- a/javascript/extractor/tests/jsx/output/trap/err4.jsx.trap
+++ b/javascript/extractor/tests/jsx/output/trap/err4.jsx.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Expected corresponding JSX closing tag for <>","<></a>
+js_parse_errors(#20003,#20001,"Error: Expected corresponding JSX closing tag for <>","<></a>
 ")
 #20004=@"loc,{#10000},1,3,1,3"
 locations_default(#20004,#10000,1,3,1,3)
diff --git a/javascript/extractor/tests/mozilla/output/trap/exprfns.js.trap b/javascript/extractor/tests/mozilla/output/trap/exprfns.js.trap
index dea7c59befa..5ad5f28e965 100644
--- a/javascript/extractor/tests/mozilla/output/trap/exprfns.js.trap
+++ b/javascript/extractor/tests/mozilla/output/trap/exprfns.js.trap
@@ -410,7 +410,7 @@ successor(#20126,#20079)
 successor(#20076,#20075)
 successor(#20113,#20076)
 #20129=*
-jsParseErrors(#20129,#20001,"Error: Missing function name","function(b) {
+js_parse_errors(#20129,#20001,"Error: Missing function name","function(b) {
 ")
 hasLocation(#20129,#20035)
 #20130=*
diff --git a/javascript/extractor/tests/shebang/output/trap/tst.html.trap b/javascript/extractor/tests/shebang/output/trap/tst.html.trap
index fc0a476640a..54d0cee0fb6 100644
--- a/javascript/extractor/tests/shebang/output/trap/tst.html.trap
+++ b/javascript/extractor/tests/shebang/output/trap/tst.html.trap
@@ -14,7 +14,7 @@ toplevels(#20001,1)
 locations_default(#20002,#10000,3,17,3,17)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","#!/usr/bin/node
+js_parse_errors(#20003,#20001,"Error: Unexpected token","#!/usr/bin/node
 ")
 #20004=@"loc,{#10000},4,1,4,1"
 locations_default(#20004,#10000,4,1,4,1)
diff --git a/javascript/extractor/tests/stmts/output/trap/functions.js.trap b/javascript/extractor/tests/stmts/output/trap/functions.js.trap
index 46e944beac7..30a902de478 100644
--- a/javascript/extractor/tests/stmts/output/trap/functions.js.trap
+++ b/javascript/extractor/tests/stmts/output/trap/functions.js.trap
@@ -604,7 +604,7 @@ successor(#20133,#20115)
 successor(#20117,#20133)
 successor(#20169,#20117)
 #20191=*
-jsParseErrors(#20191,#20001,"Error: Missing function name","function() {}
+js_parse_errors(#20191,#20001,"Error: Missing function name","function() {}
 ")
 hasLocation(#20191,#20103)
 #20192=*
diff --git a/javascript/extractor/tests/strictmode/output/trap/assignargs.js.trap b/javascript/extractor/tests/strictmode/output/trap/assignargs.js.trap
index 8ea5d1ec21c..261e5854df4 100644
--- a/javascript/extractor/tests/strictmode/output/trap/assignargs.js.trap
+++ b/javascript/extractor/tests/strictmode/output/trap/assignargs.js.trap
@@ -197,7 +197,7 @@ successor(#20057,#20041)
 successor(#20038,#20037)
 successor(#20054,#20038)
 #20059=*
-jsParseErrors(#20059,#20001,"Error: Assigning to arguments in strict mode","  arguments = 42;
+js_parse_errors(#20059,#20001,"Error: Assigning to arguments in strict mode","  arguments = 42;
 ")
 #20060=@"loc,{#10000},3,3,3,3"
 locations_default(#20060,#10000,3,3,3,3)
diff --git a/javascript/extractor/tests/ts/output/trap/badimport.ts.trap b/javascript/extractor/tests/ts/output/trap/badimport.ts.trap
index 59e82686b6e..e6a8f014dd9 100644
--- a/javascript/extractor/tests/ts/output/trap/badimport.ts.trap
+++ b/javascript/extractor/tests/ts/output/trap/badimport.ts.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Identifier expected.","import n = 5;
+js_parse_errors(#20003,#20001,"Error: Identifier expected.","import n = 5;
 ")
 #20004=@"loc,{#10000},1,12,1,12"
 locations_default(#20004,#10000,1,12,1,12)
diff --git a/javascript/extractor/tests/ts/output/trap/emptydecls.ts.trap b/javascript/extractor/tests/ts/output/trap/emptydecls.ts.trap
index 8ebf40c9f25..29c9d49c18f 100644
--- a/javascript/extractor/tests/ts/output/trap/emptydecls.ts.trap
+++ b/javascript/extractor/tests/ts/output/trap/emptydecls.ts.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unexpected token","var;
+js_parse_errors(#20003,#20001,"Error: Unexpected token","var;
 ")
 #20004=@"loc,{#10000},1,4,1,4"
 locations_default(#20004,#10000,1,4,1,4)
diff --git a/javascript/extractor/tests/ts/output/trap/invalidModuleSpecifier.ts.trap b/javascript/extractor/tests/ts/output/trap/invalidModuleSpecifier.ts.trap
index 9dfd0cd54cd..a6f530abf78 100644
--- a/javascript/extractor/tests/ts/output/trap/invalidModuleSpecifier.ts.trap
+++ b/javascript/extractor/tests/ts/output/trap/invalidModuleSpecifier.ts.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Unsupported TypeScript syntax","import * as x from `x`;
+js_parse_errors(#20003,#20001,"Error: Unsupported TypeScript syntax","import * as x from `x`;
 ")
 hasLocation(#20003,#20002)
 #20004=*
diff --git a/javascript/extractor/tests/ts/output/trap/restPatternWithDefault.ts.trap b/javascript/extractor/tests/ts/output/trap/restPatternWithDefault.ts.trap
index a375f4637f6..ca7c7ca97bc 100644
--- a/javascript/extractor/tests/ts/output/trap/restPatternWithDefault.ts.trap
+++ b/javascript/extractor/tests/ts/output/trap/restPatternWithDefault.ts.trap
@@ -14,7 +14,7 @@ toplevels(#20001,0)
 locations_default(#20002,#10000,1,1,1,1)
 hasLocation(#20001,#20002)
 #20003=*
-jsParseErrors(#20003,#20001,"Error: Rest patterns cannot have a default value","[...x = a] = a;  // Error, rest element cannot have initializer
+js_parse_errors(#20003,#20001,"Error: Rest patterns cannot have a default value","[...x = a] = a;  // Error, rest element cannot have initializer
 ")
 #20004=@"loc,{#10000},3,5,3,5"
 locations_default(#20004,#10000,3,5,3,5)
diff --git a/javascript/ql/src/semmle/javascript/Aliases.qll b/javascript/ql/src/semmle/javascript/Aliases.qll
index 9c4cbd8cb7c..a4169824362 100644
--- a/javascript/ql/src/semmle/javascript/Aliases.qll
+++ b/javascript/ql/src/semmle/javascript/Aliases.qll
@@ -215,3 +215,8 @@ deprecated predicate isOptionalParameterDeclaration(Parameter parameter) { is_op
  * Use `PredicateTypeExpr#hasAssertsKeyword() instead.
  */ 
 deprecated predicate hasAssertsKeyword(PredicateTypeExpr node) { has_asserts_keyword(node) }
+/**
+ * Alias for the predicate `js_parse_errors` defined in the .dbscheme.
+ * Use the `JSParseError` class instead.
+ */ 
+deprecated predicate jsParseErrors(JSParseError id, TopLevel toplevel, string message, string line) { js_parse_errors(id, toplevel, message, line) }
diff --git a/javascript/ql/src/semmle/javascript/Errors.qll b/javascript/ql/src/semmle/javascript/Errors.qll
index 8e9257d376f..f4836e53c06 100644
--- a/javascript/ql/src/semmle/javascript/Errors.qll
+++ b/javascript/ql/src/semmle/javascript/Errors.qll
@@ -15,10 +15,10 @@ abstract class Error extends Locatable {
 /** A JavaScript parse error encountered during extraction. */
 class JSParseError extends @js_parse_error, Error {
   /** Gets the toplevel element this error occurs in. */
-  TopLevel getTopLevel() { jsParseErrors(this, result, _, _) }
+  TopLevel getTopLevel() { js_parse_errors(this, result, _, _) }
 
-  override string getMessage() { jsParseErrors(this, _, result, _) }
+  override string getMessage() { js_parse_errors(this, _, result, _) }
 
   /** Gets the source text of the line this error occurs on. */
-  string getLine() { jsParseErrors(this, _, _, result) }
+  string getLine() { js_parse_errors(this, _, _, result) }
 }
diff --git a/javascript/ql/src/semmlecode.javascript.dbscheme b/javascript/ql/src/semmlecode.javascript.dbscheme
index 36f4fd713af..c983a5b93e0 100644
--- a/javascript/ql/src/semmlecode.javascript.dbscheme
+++ b/javascript/ql/src/semmlecode.javascript.dbscheme
@@ -819,7 +819,7 @@ indentation (int file: @file ref,
             int indentDepth: int ref);
 
 // JavaScript parse errors
-jsParseErrors (unique int id: @js_parse_error,
+js_parse_errors (unique int id: @js_parse_error,
         int toplevel: @toplevel ref,
         varchar(900) message: string ref,
         varchar(900) line: string ref);
diff --git a/javascript/ql/src/semmlecode.javascript.dbscheme.stats b/javascript/ql/src/semmlecode.javascript.dbscheme.stats
index 527813544a1..4a6ef88cd3d 100644
--- a/javascript/ql/src/semmlecode.javascript.dbscheme.stats
+++ b/javascript/ql/src/semmlecode.javascript.dbscheme.stats
@@ -18734,7 +18734,7 @@
 </dependencies>
 </relation>
 <relation>
-<name>jsParseErrors</name>
+<name>js_parse_errors</name>
 <cardinality>3</cardinality>
 <columnsizes>
 <e>
diff --git a/javascript/upgrades/c73fbfca57f3d593b9ff50c6aa3a886d6888efec/upgrade.properties b/javascript/upgrades/c73fbfca57f3d593b9ff50c6aa3a886d6888efec/upgrade.properties
index 137c837a01d..39fab3ddf15 100644
--- a/javascript/upgrades/c73fbfca57f3d593b9ff50c6aa3a886d6888efec/upgrade.properties
+++ b/javascript/upgrades/c73fbfca57f3d593b9ff50c6aa3a886d6888efec/upgrade.properties
@@ -60,3 +60,5 @@ is_optional_parameter_declaration.rel: reorder isOptionalParameterDeclaration.re
 isOptionalParameterDeclaration.rel: delete
 has_asserts_keyword.rel: reorder hasAssertsKeyword.rel(int node) node
 hasAssertsKeyword.rel: delete
+js_parse_errors.rel: reorder jsParseErrors.rel(int id, int toplevel, string message, string line) id toplevel message line
+jsParseErrors.rel: delete