MIRROR: javascript for 🐜's, a tiny runtime with big ambitions
typescript extension fallback
+62
-2
+1
include/utils.h
+1
include/utils.h
+21
-2
src/esm/loader.c
+21
-2
src/esm/loader.c
···
162
162
return esm_try_resolve_with_exts(dir, idx, false);
163
163
}
164
164
165
+
static char *esm_try_resolve_relative_typescript_source_fallback(
166
+
const char *dir,
167
+
const char *spec,
168
+
const char *base_path
169
+
) {
170
+
if (!is_typescript_file(base_path)) return NULL;
171
+
172
+
char *ts_spec = resolve_typescript_source_fallback(spec);
173
+
if (!ts_spec) return NULL;
174
+
175
+
char *resolved = esm_try_resolve(dir, ts_spec, "");
176
+
free(ts_spec);
177
+
return resolved;
178
+
}
179
+
165
180
static ant_value_t esm_default_export_or_namespace(ant_t *js, ant_value_t ns) {
166
181
ant_value_t default_val = js_get_slot(ns, SLOT_DEFAULT);
167
182
return vtype(default_val) != T_UNDEF ? default_val : ns;
···
631
646
632
647
const char *spec = specifier;
633
648
if (strncmp(specifier, "./", 2) == 0) spec = specifier + 2;
649
+
634
650
bool has_ext = esm_has_extension(spec);
635
-
636
651
if ((result = esm_try_resolve(dir, spec, ""))) goto cleanup;
637
-
if (has_ext) goto cleanup;
652
+
653
+
if (has_ext) {
654
+
result = esm_try_resolve_relative_typescript_source_fallback(dir, spec, base_path);
655
+
goto cleanup;
656
+
}
638
657
639
658
char *base_ext = esm_get_extension(base_path);
640
659
if (!base_ext) goto cleanup;
+26
src/utils.c
+26
src/utils.c
···
252
252
return NULL;
253
253
}
254
254
255
+
char *resolve_typescript_source_fallback(const char *filename) {
256
+
if (!filename) return NULL;
257
+
258
+
const char *mapped_ext = NULL;
259
+
size_t trim_len = 0;
260
+
261
+
size_t len = strlen(filename);
262
+
if (len > 3 && strcmp(filename + len - 3, ".js") == 0) {
263
+
mapped_ext = ".ts";
264
+
trim_len = 3;
265
+
} else if (len > 4 && strcmp(filename + len - 4, ".mjs") == 0) {
266
+
mapped_ext = ".mts";
267
+
trim_len = 4;
268
+
} else if (len > 4 && strcmp(filename + len - 4, ".cjs") == 0) {
269
+
mapped_ext = ".cts";
270
+
trim_len = 4;
271
+
} else return NULL;
272
+
273
+
size_t mapped_len = strlen(mapped_ext);
274
+
char *mapped = try_oom(len - trim_len + mapped_len + 1);
275
+
memcpy(mapped, filename, len - trim_len);
276
+
memcpy(mapped + len - trim_len, mapped_ext, mapped_len + 1);
277
+
278
+
return mapped;
279
+
}
280
+
255
281
typedef struct {
256
282
const char *repl; size_t repl_len; size_t *ri;
257
283
const char *matched; size_t matched_len;
+10
tests/test_ts_js_extension_resolution.cjs
+10
tests/test_ts_js_extension_resolution.cjs
···
1
+
(async () => {
2
+
const mod = await import('./ts_js_extension_resolution_main.ts');
3
+
if (mod.default !== 'ts-source-fallback-ok') {
4
+
throw new Error(`expected ts-source-fallback-ok, got ${String(mod.default)}`);
5
+
}
6
+
console.log('ok');
7
+
})().catch(err => {
8
+
console.error(err);
9
+
process.exit(1);
10
+
});
+1
tests/ts_js_extension_resolution_dep.ts
+1
tests/ts_js_extension_resolution_dep.ts
···
1
+
export const resolvedValue = 'ts-source-fallback-ok';