Function cbm_pipeline_resolve_module

src/pipeline/pass_pkgmap.c:1391–1446

}

char *cbm_pipeline_resolve_module(const cbm_pipeline_ctx_t *ctx, const char *source_rel,
                                  const char *module_path) {
    if (!ctx || !module_path) {
        return cbm_pipeline_fqn_module(ctx ? ctx->project_name : NULL, module_path);
    }

    /* 1. Try relative import resolution (existing logic) */
    char *resolved = cbm_pipeline_resolve_relative_import(source_rel, module_path);
    if (resolved) {
        char *qn = cbm_pipeline_fqn_module(ctx->project_name, resolved);
        free(resolved);
        return qn;
    }

    /* 1b. Try build-tool path aliases (tsconfig/jsconfig paths today;
     *     other loaders can register here later). Independent of pkgmap. */
    if (ctx->path_aliases && source_rel) {
        const cbm_path_alias_map_t *amap =
            cbm_path_alias_find_for_file(ctx->path_aliases, source_rel);
        if (amap) {
            char *aliased = cbm_path_alias_resolve(amap, module_path);
            if (aliased) {
                char *qn = cbm_pipeline_fqn_module(ctx->project_name, aliased);
                free(aliased);
                return qn;
            }
        }
    }

    /* 2. No pkgmap → fall through immediately */
    CBMHashTable *pkgmap = cbm_pipeline_get_pkgmap();
    if (!pkgmap) {
        return cbm_pipeline_fqn_module(ctx->project_name, module_path);
    }

    /* 3. Exact lookup */
    const char *mapped_qn = (const char *)cbm_ht_get(pkgmap, module_path);
    if (mapped_qn) {
        return strdup(mapped_qn);
    }

    /* 4. Prefix matching by separator type */
    char *result = resolve_slash_prefix(pkgmap, module_path);
    if (!result) {
        result = resolve_dot_prefix(pkgmap, module_path, ctx->project_name);
    }
    if (!result) {
        result = resolve_backslash_prefix(pkgmap, module_path, ctx->project_name);
    }
    if (result) {
        return result;
    }

    /* 5. Fallthrough to default resolution */
    return cbm_pipeline_fqn_module(ctx->project_name, module_path);
}

/* ── Import-target node resolver ─────────────────────────────────── */