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Apr 25, 2020
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Use language injection for ease of development in JetBrains IDE #4

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157 changes: 80 additions & 77 deletions jsdom-nodejs-env/src/main/scala/org/scalajs/jsenv/jsdomnodejs/JSDOMNodeJSEnv.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -77,83 +77,84 @@ class JSDOMNodeJSEnv(config: JSDOMNodeJSEnv.Config) extends JSEnv {
scriptsURIs.map(uri => "\"" + escapeJS(uri.toASCIIString) + "\"")
val scriptsURIsJSArray = scriptsURIsAsJSStrings.mkString("[", ", ", "]")
val jsDOMCode = {
s"""
|
|(function () {
| var jsdom = require("jsdom");
|
| if (typeof jsdom.JSDOM === "function") {
| // jsdom >= 10.0.0
| var virtualConsole = new jsdom.VirtualConsole()
| .sendTo(console, { omitJSDOMErrors: true });
| virtualConsole.on("jsdomError", function (error) {
| try {
| // Display as much info about the error as possible
| if (error.detail && error.detail.stack) {
| console.error("" + error.detail);
| console.error(error.detail.stack);
| } else {
| console.error(error);
| }
| } finally {
| // Whatever happens, kill the process so that the run fails
| process.exit(1);
| }
| });
|
| var dom = new jsdom.JSDOM("", {
| virtualConsole: virtualConsole,
| url: "http://localhost/",
|
| /* Allow unrestricted <script> tags. This is exactly as
| * "dangerous" as the arbitrary execution of script files we
| * do in the non-jsdom Node.js env.
| */
| resources: "usable",
| runScripts: "dangerously"
| });
|
| var window = dom.window;
| window["scalajsCom"] = global.scalajsCom;
|
| var scriptsSrcs = $scriptsURIsJSArray;
| for (var i = 0; i < scriptsSrcs.length; i++) {
| var script = window.document.createElement("script");
| script.src = scriptsSrcs[i];
| window.document.body.appendChild(script);
| }
| } else {
| // jsdom v9.x
| var virtualConsole = jsdom.createVirtualConsole()
| .sendTo(console, { omitJsdomErrors: true });
| virtualConsole.on("jsdomError", function (error) {
| /* This inelegant if + console.error is the only way I found
| * to make sure the stack trace of the original error is
| * printed out.
| */
| if (error.detail && error.detail.stack)
| console.error(error.detail.stack);
|
| // Throw the error anew to make sure the whole execution fails
| throw error;
| });
|
| jsdom.env({
| html: "",
| virtualConsole: virtualConsole,
| url: "http://localhost/",
| created: function (error, window) {
| if (error == null) {
| window["scalajsCom"] = global.scalajsCom;
| } else {
| throw error;
| }
| },
| scripts: $scriptsURIsJSArray
| });
| }
|})();
|""".stripMargin
// language=JavaScript
s"""
(function () {
var jsdom = require("jsdom");

if (typeof jsdom.JSDOM === "function") {
// jsdom >= 10.0.0
var virtualConsole = new jsdom.VirtualConsole()
.sendTo(console, { omitJSDOMErrors: true });
virtualConsole.on("jsdomError", function (error) {
try {
// Display as much info about the error as possible
if (error.detail && error.detail.stack) {
console.error("" + error.detail);
console.error(error.detail.stack);
} else {
console.error(error);
}
} finally {
// Whatever happens, kill the process so that the run fails
process.exit(1);
}
});

var dom = new jsdom.JSDOM("", {
virtualConsole: virtualConsole,
url: "http://localhost/",

/* Allow unrestricted <script> tags. This is exactly as
* "dangerous" as the arbitrary execution of script files we
* do in the non-jsdom Node.js env.
*/
resources: "usable",
runScripts: "dangerously"
});

var window = dom.window;
window["scalajsCom"] = global.scalajsCom;

var scriptsSrcs = $scriptsURIsJSArray;
for (var i = 0; i < scriptsSrcs.length; i++) {
var script = window.document.createElement("script");
script.src = scriptsSrcs[i];
window.document.body.appendChild(script);
}
} else {
// jsdom v9.x
var virtualConsole = jsdom.createVirtualConsole()
.sendTo(console, { omitJsdomErrors: true });
virtualConsole.on("jsdomError", function (error) {
/* This inelegant if + console.error is the only way I found
* to make sure the stack trace of the original error is
* printed out.
*/
if (error.detail && error.detail.stack)
console.error(error.detail.stack);

// Throw the error anew to make sure the whole execution fails
throw error;
});

jsdom.env({
html: "",
virtualConsole: virtualConsole,
url: "http://localhost/",
created: function (error, window) {
if (error == null) {
window["scalajsCom"] = global.scalajsCom;
window["require"] = global.require;
} else {
throw error;
}
},
scripts: $scriptsURIsJSArray
});
}
})();
"""
}
List(Files.write(
Jimfs.newFileSystem().getPath("codeWithJSDOMContext.js"),
Expand All @@ -172,6 +173,7 @@ object JSDOMNodeJSEnv {
try {
val f = path.toFile
val pathJS = "\"" + escapeJS(f.getAbsolutePath) + "\""
// language=JavaScript
p.println(s"""
require('vm').runInThisContext(
require('fs').readFileSync($pathJS, { encoding: "utf-8" }),
Expand All @@ -183,6 +185,7 @@ object JSDOMNodeJSEnv {
val code = new String(Files.readAllBytes(path), StandardCharsets.UTF_8)
val codeJS = "\"" + escapeJS(code) + "\""
val pathJS = "\"" + escapeJS(path.toString) + "\""
// language=JavaScript
p.println(s"""
require('vm').runInThisContext(
$codeJS,
Expand Down
9 changes: 5 additions & 4 deletions jsdom-nodejs-env/src/test/scala/org/scalajs/jsenv/jsdomnodejs/JSDOMNodeJSEnvTest.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -12,11 +12,12 @@ class JSDOMNodeJSEnvTest {
@Test
def historyAPI: Unit = {
kit.withRun(
// language=JavaScript
"""
|console.log(window.location.href);
|window.history.pushState({}, "", "/foo");
|console.log(window.location.href);
""".stripMargin) {
console.log(window.location.href);
window.history.pushState({}, "", "/foo");
console.log(window.location.href);
""") {
_.expectOut("http://localhost/\n")
.expectOut("http://localhost/foo\n")
}
Expand Down