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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /devtools/client/debugger/src/actions/utils/middleware/promise.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'devtools/client/debugger/src/actions/utils/middleware/promise.js')
-rw-r--r-- | devtools/client/debugger/src/actions/utils/middleware/promise.js | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/actions/utils/middleware/promise.js b/devtools/client/debugger/src/actions/utils/middleware/promise.js new file mode 100644 index 0000000000..52054a1fcc --- /dev/null +++ b/devtools/client/debugger/src/actions/utils/middleware/promise.js @@ -0,0 +1,61 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */ + +import { executeSoon } from "../../../utils/DevToolsUtils"; + +import { pending, rejected, fulfilled } from "../../../utils/async-value"; +export function asyncActionAsValue(action) { + if (action.status === "start") { + return pending(); + } + if (action.status === "error") { + return rejected(action.error); + } + return fulfilled(action.value); +} + +let seqIdVal = 1; + +function seqIdGen() { + return seqIdVal++; +} + +function promiseMiddleware({ dispatch, getState }) { + return next => action => { + if (!(PROMISE in action)) { + return next(action); + } + + const seqId = seqIdGen().toString(); + const { [PROMISE]: promiseInst, ...originalActionProperties } = action; + + // Create a new action that doesn't have the promise field and has + // the `seqId` field that represents the sequence id + action = { ...originalActionProperties, seqId }; + + dispatch({ ...action, status: "start" }); + + // Return the promise so action creators can still compose if they + // want to. + return Promise.resolve(promiseInst) + .finally(() => new Promise(resolve => executeSoon(resolve))) + .then( + value => { + dispatch({ ...action, status: "done", value: value }); + return value; + }, + error => { + dispatch({ + ...action, + status: "error", + error: error.message || error, + }); + return Promise.reject(error); + } + ); + }; +} + +export const PROMISE = "@@dispatch/promise"; +export { promiseMiddleware as promise }; |