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63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
import { Deno } from "@deno/shim-deno";
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export { Deno } from "@deno/shim-deno";
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const dntGlobals = {
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Deno,
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};
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export const dntGlobalThis = createMergeProxy(globalThis, dntGlobals);
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// deno-lint-ignore ban-types
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function createMergeProxy(baseObj, extObj) {
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return new Proxy(baseObj, {
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get(_target, prop, _receiver) {
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if (prop in extObj) {
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return extObj[prop];
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}
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else {
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return baseObj[prop];
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}
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},
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set(_target, prop, value) {
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if (prop in extObj) {
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delete extObj[prop];
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}
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baseObj[prop] = value;
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return true;
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},
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deleteProperty(_target, prop) {
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let success = false;
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if (prop in extObj) {
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delete extObj[prop];
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success = true;
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}
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if (prop in baseObj) {
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delete baseObj[prop];
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success = true;
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}
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return success;
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},
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ownKeys(_target) {
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const baseKeys = Reflect.ownKeys(baseObj);
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const extKeys = Reflect.ownKeys(extObj);
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const extKeysSet = new Set(extKeys);
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return [...baseKeys.filter((k) => !extKeysSet.has(k)), ...extKeys];
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},
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defineProperty(_target, prop, desc) {
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if (prop in extObj) {
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delete extObj[prop];
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}
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Reflect.defineProperty(baseObj, prop, desc);
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return true;
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},
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getOwnPropertyDescriptor(_target, prop) {
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if (prop in extObj) {
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return Reflect.getOwnPropertyDescriptor(extObj, prop);
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}
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else {
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return Reflect.getOwnPropertyDescriptor(baseObj, prop);
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}
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},
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has(_target, prop) {
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return prop in extObj || prop in baseObj;
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},
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});
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}
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