surma
d44f1d9677
Checkpoint before integration and package validation. Assisted-by: SurmAgent:unknown [read] [edit] [bash]
36 lines
1.6 KiB
JavaScript
36 lines
1.6 KiB
JavaScript
import { assert } from "./assert.js";
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/* Module identity is keyed by (specifier, import attributes): the same
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file can be loaded as different module types, equal attribute sets
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share one instance, and this module can import itself as text. */
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import textDefault from "./fixture_import_attributes.json" with { type: "text" };
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import jsonDefault from "./fixture_import_attributes.json" with { type: "json" };
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import jsonAgain from "./fixture_import_attributes.json" with { type: "json" };
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import self from "./import-attributes-identity.js" with { type: "text" };
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/* same file, different types, distinct modules */
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assert(typeof textDefault, "string");
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assert(JSON.parse(textDefault).answer, 42);
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assert(typeof jsonDefault, "object");
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assert(jsonDefault.answer, 42);
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/* equal attributes resolve to the same module instance */
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assert(jsonAgain === jsonDefault, true);
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/* a JS module can import its own source as text */
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assert(typeof self, "string");
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assert(self.includes("import-attributes-identity"), true);
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/* dynamic imports share identity with static imports */
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const viaJson = await import("./fixture_import_attributes.json", { with: { type: "json" } });
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assert(viaJson.default === jsonDefault, true);
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const viaText = await import("./fixture_import_attributes.json", { with: { type: "text" } });
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assert(viaText.default, textDefault);
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/* no attributes and .json suffix still defaults to JSON, as another
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distinct module */
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const plain = await import("./fixture_import_attributes.json");
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assert(typeof plain.default, "object");
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assert(plain.default === jsonDefault, false);
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