diff options
| author | altaf-creator <dev@altafcreator.com> | 2025-11-09 11:15:19 +0800 |
|---|---|---|
| committer | altaf-creator <dev@altafcreator.com> | 2025-11-09 11:15:19 +0800 |
| commit | 8eff962cab608341a6f2fedc640a0e32d96f26e2 (patch) | |
| tree | 05534d1a720ddc3691d346c69b4972555820a061 /frontend-old/node_modules/@protobufjs/aspromise/index.js | |
pain
Diffstat (limited to 'frontend-old/node_modules/@protobufjs/aspromise/index.js')
| -rw-r--r-- | frontend-old/node_modules/@protobufjs/aspromise/index.js | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/frontend-old/node_modules/@protobufjs/aspromise/index.js b/frontend-old/node_modules/@protobufjs/aspromise/index.js new file mode 100644 index 0000000..b10f826 --- /dev/null +++ b/frontend-old/node_modules/@protobufjs/aspromise/index.js @@ -0,0 +1,52 @@ +"use strict";
+module.exports = asPromise;
+
+/**
+ * Callback as used by {@link util.asPromise}.
+ * @typedef asPromiseCallback
+ * @type {function}
+ * @param {Error|null} error Error, if any
+ * @param {...*} params Additional arguments
+ * @returns {undefined}
+ */
+
+/**
+ * Returns a promise from a node-style callback function.
+ * @memberof util
+ * @param {asPromiseCallback} fn Function to call
+ * @param {*} ctx Function context
+ * @param {...*} params Function arguments
+ * @returns {Promise<*>} Promisified function
+ */
+function asPromise(fn, ctx/*, varargs */) {
+ var params = new Array(arguments.length - 1),
+ offset = 0,
+ index = 2,
+ pending = true;
+ while (index < arguments.length)
+ params[offset++] = arguments[index++];
+ return new Promise(function executor(resolve, reject) {
+ params[offset] = function callback(err/*, varargs */) {
+ if (pending) {
+ pending = false;
+ if (err)
+ reject(err);
+ else {
+ var params = new Array(arguments.length - 1),
+ offset = 0;
+ while (offset < params.length)
+ params[offset++] = arguments[offset];
+ resolve.apply(null, params);
+ }
+ }
+ };
+ try {
+ fn.apply(ctx || null, params);
+ } catch (err) {
+ if (pending) {
+ pending = false;
+ reject(err);
+ }
+ }
+ });
+}
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