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authorwolfbeast <mcwerewolf@gmail.com>2018-07-10 13:28:03 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-07-10 13:28:03 +0200
commite0a8dcfed131ffa58a5e2cb1d30fe48c745c2fdc (patch)
treea3e4bc52cb2fdce52d8dbf88a4db41d81017c1b8 /dom
parent100c6a7e95b8e9624fc43fabc96d88070635d1ef (diff)
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Bug 1330900 - Implement <script nomodule>
This patch implements: - noModule getter/setter for HTMLScriptElement - the nomodule attribute for HTMLScriptElement - the logic in nsScriptLoader that denies the loading of a nomodule script - tests Tag #618
Diffstat (limited to 'dom')
-rw-r--r--dom/base/nsGkAtomList.h1
-rw-r--r--dom/base/nsScriptLoader.cpp15
-rw-r--r--dom/html/HTMLScriptElement.cpp12
-rw-r--r--dom/html/HTMLScriptElement.h2
-rw-r--r--dom/html/test/file_script_module.html42
-rw-r--r--dom/html/test/file_script_nomodule.html32
-rw-r--r--dom/html/test/mochitest.ini4
-rw-r--r--dom/html/test/test_script_module.html56
-rw-r--r--dom/webidl/HTMLScriptElement.webidl2
9 files changed, 164 insertions, 2 deletions
diff --git a/dom/base/nsGkAtomList.h b/dom/base/nsGkAtomList.h
index 8fefa0e02..73a3a02b1 100644
--- a/dom/base/nsGkAtomList.h
+++ b/dom/base/nsGkAtomList.h
@@ -665,6 +665,7 @@ GK_ATOM(noembed, "noembed")
GK_ATOM(noframes, "noframes")
GK_ATOM(nohref, "nohref")
GK_ATOM(noisolation, "noisolation")
+GK_ATOM(nomodule, "nomodule")
GK_ATOM(nonce, "nonce")
GK_ATOM(none, "none")
GK_ATOM(noresize, "noresize")
diff --git a/dom/base/nsScriptLoader.cpp b/dom/base/nsScriptLoader.cpp
index 6f8251fc3..61d122386 100644
--- a/dom/base/nsScriptLoader.cpp
+++ b/dom/base/nsScriptLoader.cpp
@@ -1452,7 +1452,7 @@ nsScriptLoader::ProcessScriptElement(nsIScriptElement *aElement)
nsCOMPtr<nsIContent> scriptContent = do_QueryInterface(aElement);
- // Step 12. Check that the script is not an eventhandler
+ // Step 13. Check that the script is not an eventhandler
if (IsScriptEventHandler(scriptContent)) {
return false;
}
@@ -1486,7 +1486,18 @@ nsScriptLoader::ProcessScriptElement(nsIScriptElement *aElement)
}
}
- // Step 14. in the HTML5 spec
+ // "In modern user agents that support module scripts, the script element with
+ // the nomodule attribute will be ignored".
+ // "The nomodule attribute must not be specified on module scripts (and will
+ // be ignored if it is)."
+ if (ModuleScriptsEnabled() &&
+ scriptKind == nsScriptKind::Classic &&
+ scriptContent->IsHTMLElement() &&
+ scriptContent->HasAttr(kNameSpaceID_None, nsGkAtoms::nomodule)) {
+ return false;
+ }
+
+ // Step 15. and later in the HTML5 spec
nsresult rv = NS_OK;
RefPtr<nsScriptLoadRequest> request;
if (aElement->GetScriptExternal()) {
diff --git a/dom/html/HTMLScriptElement.cpp b/dom/html/HTMLScriptElement.cpp
index 94d09c12c..095b9b77d 100644
--- a/dom/html/HTMLScriptElement.cpp
+++ b/dom/html/HTMLScriptElement.cpp
@@ -218,6 +218,18 @@ HTMLScriptElement::SetAsync(bool aValue, ErrorResult& rv)
SetHTMLBoolAttr(nsGkAtoms::async, aValue, rv);
}
+bool
+HTMLScriptElement::NoModule()
+{
+ return GetBoolAttr(nsGkAtoms::nomodule);
+}
+
+void
+HTMLScriptElement::SetNoModule(bool aValue, ErrorResult& aRv)
+{
+ SetHTMLBoolAttr(nsGkAtoms::nomodule, aValue, aRv);
+}
+
nsresult
HTMLScriptElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValue* aValue, bool aNotify)
diff --git a/dom/html/HTMLScriptElement.h b/dom/html/HTMLScriptElement.h
index 00628bd6d..19ceb414f 100644
--- a/dom/html/HTMLScriptElement.h
+++ b/dom/html/HTMLScriptElement.h
@@ -89,6 +89,8 @@ public:
}
bool Async();
void SetAsync(bool aValue, ErrorResult& rv);
+ bool NoModule();
+ void SetNoModule(bool aValue, ErrorResult& rv);
protected:
virtual ~HTMLScriptElement();
diff --git a/dom/html/test/file_script_module.html b/dom/html/test/file_script_module.html
new file mode 100644
index 000000000..78c499265
--- /dev/null
+++ b/dom/html/test/file_script_module.html
@@ -0,0 +1,42 @@
+<html>
+<body>
+ <script>
+// Helper methods.
+function ok(a, msg) {
+ parent.postMessage({ check: !!a, msg }, "*")
+}
+
+function is(a, b, msg) {
+ ok(a === b, msg);
+}
+
+function finish() {
+ parent.postMessage({ done: true }, "*");
+}
+ </script>
+
+ <script id="a" nomodule>42</script>
+ <script id="b">42</script>
+ <script>
+// Let's test the behavior of nomodule attribute and noModule getter/setter.
+var a = document.getElementById("a");
+is(a.noModule, true, "HTMLScriptElement with nomodule attribute has noModule set to true");
+a.removeAttribute("nomodule");
+is(a.noModule, false, "HTMLScriptElement without nomodule attribute has noModule set to false");
+a.noModule = true;
+ok(a.hasAttribute('nomodule'), "HTMLScriptElement.noModule = true add the nomodule attribute");
+
+var b = document.getElementById("b");
+is(b.noModule, false, "HTMLScriptElement without nomodule attribute has noModule set to false");
+b.noModule = true;
+ok(b.hasAttribute('nomodule'), "HTMLScriptElement.noModule = true add the nomodule attribute");
+ </script>
+
+ <script>var foo = 42;</script>
+ <script nomodule>foo = 43;</script>
+ <script>
+is(foo, 42, "nomodule HTMLScriptElements should not be executed in modern browsers");
+finish();
+ </script>
+</body>
+</html>
diff --git a/dom/html/test/file_script_nomodule.html b/dom/html/test/file_script_nomodule.html
new file mode 100644
index 000000000..303edb90b
--- /dev/null
+++ b/dom/html/test/file_script_nomodule.html
@@ -0,0 +1,32 @@
+<html>
+<body>
+ <script>
+// Helper methods.
+function ok(a, msg) {
+ parent.postMessage({ check: !!a, msg }, "*")
+}
+
+function is(a, b, msg) {
+ ok(a === b, msg);
+}
+
+function finish() {
+ parent.postMessage({ done: true }, "*");
+}
+ </script>
+
+ <script id="a" nomodule>42</script>
+ <script>
+// Let's test the behavior of nomodule attribute and noModule getter/setter.
+var a = document.getElementById("a");
+ok(!("noModule" in a), "When modules are disabled HTMLScriptElement.noModule is not defined");
+ </script>
+
+ <script>var foo = 42;</script>
+ <script nomodule>foo = 43;</script>
+ <script>
+is(foo, 43, "nomodule attribute is ignored when modules are disabled");
+finish();
+ </script>
+</body>
+</html>
diff --git a/dom/html/test/mochitest.ini b/dom/html/test/mochitest.ini
index 99b425df8..0c0ba847c 100644
--- a/dom/html/test/mochitest.ini
+++ b/dom/html/test/mochitest.ini
@@ -606,3 +606,7 @@ skip-if = os == "android" # up/down arrow keys not supported on android
[test_bug1295719_event_sequence_for_number_keys.html]
[test_bug1310865.html]
[test_bug1315146.html]
++[test_script_module.html]
++support-files =
++ file_script_module.html
++ file_script_nomodule.html \ No newline at end of file
diff --git a/dom/html/test/test_script_module.html b/dom/html/test/test_script_module.html
new file mode 100644
index 000000000..4878bb379
--- /dev/null
+++ b/dom/html/test/test_script_module.html
@@ -0,0 +1,56 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test for HTMLScriptElement with nomodule attribute</title>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+
+<body>
+ <script>
+onmessage = (e) => {
+ if ("done" in e.data) {
+ next();
+ } else if ("check" in e.data) {
+ ok(e.data.check, e.data.msg);
+ } else {
+ ok(false, "Unknown message");
+ }
+}
+
+var tests = [
+ function() {
+ SpecialPowers.pushPrefEnv({"set":[["dom.moduleScripts.enabled", true]]})
+ .then(() => {
+ var ifr = document.createElement('iframe');
+ ifr.src = "file_script_module.html";
+ document.body.appendChild(ifr);
+ });
+ },
+
+ function() {
+ SpecialPowers.pushPrefEnv({"set":[["dom.moduleScripts.enabled", false]]})
+ .then(() => {
+ var ifr = document.createElement('iframe');
+ ifr.src = "file_script_nomodule.html";
+ document.body.appendChild(ifr);
+ });
+ },
+];
+
+SimpleTest.waitForExplicitFinish();
+next();
+
+function next() {
+ if (!tests.length) {
+ SimpleTest.finish();
+ return;
+ }
+
+ var test = tests.shift();
+ test();
+}
+ </script>
+
+</body>
+</html>
diff --git a/dom/webidl/HTMLScriptElement.webidl b/dom/webidl/HTMLScriptElement.webidl
index 377056366..5b64c42d7 100644
--- a/dom/webidl/HTMLScriptElement.webidl
+++ b/dom/webidl/HTMLScriptElement.webidl
@@ -13,6 +13,8 @@ interface HTMLScriptElement : HTMLElement {
attribute DOMString src;
[SetterThrows]
attribute DOMString type;
+ [SetterThrows, Pref="dom.moduleScripts.enabled"]
+ attribute boolean noModule;
[SetterThrows]
attribute DOMString charset;
[SetterThrows]
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 18:19:15 +0000