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-rw-r--r--tests/mdx_esm.rs241
1 files changed, 241 insertions, 0 deletions
diff --git a/tests/mdx_esm.rs b/tests/mdx_esm.rs
new file mode 100644
index 0000000..f1ea122
--- /dev/null
+++ b/tests/mdx_esm.rs
@@ -0,0 +1,241 @@
+extern crate micromark;
+mod test_utils;
+use micromark::{micromark_with_options, Constructs, Options};
+use pretty_assertions::assert_eq;
+use test_utils::{parse_esm, parse_expression};
+
+#[test]
+fn mdx_esm() -> Result<(), String> {
+ let swc = Options {
+ constructs: Constructs::mdx(),
+ mdx_esm_parse: Some(Box::new(parse_esm)),
+ mdx_expression_parse: Some(Box::new(parse_expression)),
+ ..Options::default()
+ };
+
+ assert_eq!(
+ micromark_with_options("import a from 'b'\n\nc", &swc)?,
+ "<p>c</p>",
+ "should support an import"
+ );
+
+ assert_eq!(
+ micromark_with_options("export default a\n\nb", &swc)?,
+ "<p>b</p>",
+ "should support an export"
+ );
+
+ assert_eq!(
+ micromark_with_options("impossible", &swc)?,
+ "<p>impossible</p>",
+ "should not support other keywords (`impossible`)"
+ );
+
+ assert_eq!(
+ micromark_with_options("exporting", &swc)?,
+ "<p>exporting</p>",
+ "should not support other keywords (`exporting`)"
+ );
+
+ assert_eq!(
+ micromark_with_options("import.", &swc)?,
+ "<p>import.</p>",
+ "should not support a non-whitespace after the keyword"
+ );
+
+ assert_eq!(
+ micromark_with_options("import('a')", &swc)?,
+ "<p>import('a')</p>",
+ "should not support a non-whitespace after the keyword (import-as-a-function)"
+ );
+
+ assert_eq!(
+ micromark_with_options(" import a from 'b'\n export default c", &swc)?,
+ "<p>import a from 'b'\nexport default c</p>",
+ "should not support an indent"
+ );
+
+ assert_eq!(
+ micromark_with_options("- import a from 'b'\n> export default c", &swc)?,
+ "<ul>\n<li>import a from 'b'</li>\n</ul>\n<blockquote>\n<p>export default c</p>\n</blockquote>",
+ "should not support keywords in containers"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a from 'b'\nexport default c", &swc)?,
+ "",
+ "should support imports and exports in the same “block”"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a from 'b'\n\nexport default c", &swc)?,
+ "",
+ "should support imports and exports in separate “blocks”"
+ );
+
+ assert_eq!(
+ micromark_with_options("a\n\nimport a from 'b'\n\nb\n\nexport default c", &swc)?,
+ "<p>a</p>\n<p>b</p>\n",
+ "should support imports and exports in between other constructs"
+ );
+
+ assert_eq!(
+ micromark_with_options("a\nimport a from 'b'\n\nb\nexport default c", &swc)?,
+ "<p>a\nimport a from 'b'</p>\n<p>b\nexport default c</p>",
+ "should not support import/exports when interrupting paragraphs"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a", &swc).err().unwrap(),
+ "1:9: Could not parse esm with swc: Expected ',', got '<eof>'",
+ "should crash on invalid import/exports (1)"
+ );
+
+ assert_eq!(
+ micromark_with_options("import 1/1", &swc).err().unwrap(),
+ "1:9: Could not parse esm with swc: Expected 'from', got 'numeric literal (1, 1)'",
+ "should crash on invalid import/exports (2)"
+ );
+
+ assert_eq!(
+ micromark_with_options("export {\n a\n} from 'b'\n\nc", &swc)?,
+ "<p>c</p>",
+ "should support line endings in import/exports"
+ );
+
+ assert_eq!(
+ micromark_with_options("export {\n\n a\n\n} from 'b'\n\nc", &swc)?,
+ "<p>c</p>",
+ "should support blank lines in import/exports"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a from 'b'\n*md*?", &swc)
+ .err()
+ .unwrap(),
+ "2:6: Could not parse esm with swc: Unexpected token `?`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, ` for template literal, (, or an identifier",
+ "should crash on markdown after import/export w/o blank line"
+ );
+
+ assert_eq!(
+ micromark_with_options("export var a = 1\n// b\n/* c */\n\nd", &swc)?,
+ "<p>d</p>",
+ "should support comments in “blocks”"
+ );
+
+ assert_eq!(
+ micromark_with_options("export var a = 1\nvar b\n\nc", &swc)
+ .err()
+ .unwrap(),
+ "2:1: Unexpected statement in code: only import/exports are supported",
+ "should crash on other statements in “blocks”"
+ );
+
+ assert_eq!(
+ micromark_with_options("import ('a')\n\nb", &swc)
+ .err()
+ .unwrap(),
+ "1:1: Unexpected statement in code: only import/exports are supported",
+ "should crash on import-as-a-function with a space `import (x)`"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a from 'b'\nexport {a}\n\nc", &swc)?,
+ "<p>c</p>",
+ "should support a reexport from another import"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a from 'b';\nexport {a};\n\nc", &swc)?,
+ "<p>c</p>",
+ "should support a reexport from another import w/ semicolons"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a from 'b'\nexport {a as default}\n\nc", &swc)?,
+ "<p>c</p>",
+ "should support a reexport default from another import"
+ );
+
+ assert_eq!(
+ micromark_with_options("export var a = () => <b />", &swc)?,
+ "",
+ "should support JSX by default"
+ );
+
+ assert_eq!(
+ micromark_with_options("export {a}\n", &swc)?,
+ "",
+ "should support EOF after EOL"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a from 'b'\n\nexport {a}\n\nc", &swc)?,
+ "<p>c</p>",
+ "should support a reexport from another esm block (1)"
+ );
+
+ assert_eq!(
+ micromark_with_options("import a from 'b'\n\nexport {a}\n\n# c", &swc)?,
+ "<h1>c</h1>",
+ "should support a reexport from another esm block (2)"
+ );
+
+ let cases = vec![
+ ("default", "import a from \"b\""),
+ ("whole", "import * as a from \"b\""),
+ ("destructuring", "import {a} from \"b\""),
+ ("destructuring and rename", "import {a as b} from \"c\""),
+ ("default and destructuring", "import a, {b as c} from \"d\""),
+ ("default and whole", "import a, * as b from \"c\""),
+ ("side-effects", "import \"a\""),
+ ];
+
+ for case in cases {
+ assert_eq!(
+ micromark_with_options(case.1, &swc)?,
+ "",
+ "should support imports: {}",
+ case.0
+ );
+ }
+
+ let cases = vec![
+ ("var", "export var a = \"\""),
+ ("const", "export const a = \"\""),
+ ("let", "export let a = \"\""),
+ ("multiple", "export var a, b"),
+ ("multiple w/ assignment", "export var a = \"a\", b = \"b\""),
+ ("function", "export function a() {}"),
+ ("class", "export class a {}"),
+ ("destructuring", "export var {a} = {}"),
+ ("rename destructuring", "export var {a: b} = {}"),
+ ("array destructuring", "export var [a] = []"),
+ ("default", "export default a = 1"),
+ ("default function", "export default function a() {}"),
+ ("default class", "export default class a {}"),
+ ("aggregate", "export * from \"a\""),
+ ("whole reexport", "export * as a from \"b\""),
+ ("reexport destructuring", "export {a} from \"b\""),
+ (
+ "reexport destructuring w rename",
+ "export {a as b} from \"c\"",
+ ),
+ ("reexport as a default whole", "export {default} from \"b\""),
+ (
+ "reexport default and non-default",
+ "export {default as a, b} from \"c\"",
+ ),
+ ];
+
+ for case in cases {
+ assert_eq!(
+ micromark_with_options(case.1, &swc)?,
+ "",
+ "should support exports: {}",
+ case.0
+ );
+ }
+
+ Ok(())
+}
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