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fix: resolve path expression on Any-typed plain variable as Any, not Null#99

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fix: resolve path expression on Any-typed plain variable as Any, not Null#99
Copilot wants to merge 5 commits intomainfrom
copilot/sub-pr-98

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Copilot AI commented Mar 18, 2026

The Any-type detection for path expressions only handled EntriesContext instances, missing the case where scopedContext.entries[name] holds a plain variable object from toOptimizedFormat (e.g. an external provider variable). In that case, =agent.context where agent is Any-typed would incorrectly resolve to Null.

The masking factor: the existing test fixture had both an input (=agent.context) and output (=agent) mapping. Sorting caused the output to be resolved first, converting the plain object to an EntriesContext before the path expression was evaluated — hiding the bug.

Changes

  • test/fixtures/zeebe/mappings/path-expression-on-any-variable.bpmn — new fixture with only the input mapping =agent.context → agentContext, no output mapping, to surface the bug directly
  • test/spec/zeebe/Mappings.spec.js — new test: external provider supplies agent as a plain Any-typed variable; asserts agentContext resolves to Any
  • lib/zeebe/util/feelUtility.js — extend Any-type detection to handle plain variable objects alongside EntriesContext instances, with a defensive null guard:
// before
return entry instanceof EntriesContext &&
       getType(entry.value) === 'Any';

// after
if (!entry) return false;
const value = entry instanceof EntriesContext ? entry.value : entry;
return getType(value) === 'Any';

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barinali and others added 3 commits March 16, 2026 23:08
Related to #87

Path FEEL expressions like `=agent.context` on an `Any`-typed variable
incorrectly resolve as `null` with `Null` type instead of `Any`.
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Copilot AI and others added 2 commits March 18, 2026 08:43
Co-authored-by: barmac <28307541+barmac@users.noreply.github.com>
…le resolves to Null

Also fix: extend Any-type detection to handle plain variable objects (not just EntriesContext instances)

The previous code only checked `entry instanceof EntriesContext`, but scopedContext.entries
may also contain plain variable objects from toOptimizedFormat (external provider variables).
These plain objects can be Any-typed, and accessing a path expression on them would
incorrectly resolve to Null instead of Any.

The fix uses `entry instanceof EntriesContext ? entry.value : entry` to handle both cases,
with a defensive null check for missing entries.

Co-authored-by: barmac <28307541+barmac@users.noreply.github.com>
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Copilot AI commented Mar 18, 2026

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

  • accounts.google.com
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4690 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-45313162 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,2950287156761857398,13286895941312112388,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
    • Triggering command: /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome --user-data-dir=/tmp/karma-45313162 --enable-automation --no-default-browser-check --no-first-run --disable-default-apps --disable-popup-blocking --disable-translate --disable-REDACTED-timer-throttling --disable-renderer-REDACTEDing --disable-device-discovery-notifications --no-sandbox --disable-setuid-sandbox http://localhost:9876/?id=45313162 --headless --disable-gpu --disable-dev-shm-usage --use-mock-keychain --password-store=basic --remote-debugging-port=9222 (dns block)
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4841 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-56523365 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,15187246722120372593,2996833142016722264,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
  • clients2.google.com
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4690 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-45313162 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,2950287156761857398,13286895941312112388,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
    • Triggering command: /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome --user-data-dir=/tmp/karma-45313162 --enable-automation --no-default-browser-check --no-first-run --disable-default-apps --disable-popup-blocking --disable-translate --disable-REDACTED-timer-throttling --disable-renderer-REDACTEDing --disable-device-discovery-notifications --no-sandbox --disable-setuid-sandbox http://localhost:9876/?id=45313162 --headless --disable-gpu --disable-dev-shm-usage --use-mock-keychain --password-store=basic --remote-debugging-port=9222 (dns block)
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4841 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-56523365 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,15187246722120372593,2996833142016722264,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
  • content-autofill.googleapis.com
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4841 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-56523365 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,15187246722120372593,2996833142016722264,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
    • Triggering command: /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome --user-data-dir=/tmp/karma-56523365 --enable-automation --no-default-browser-check --no-first-run --disable-default-apps --disable-popup-blocking --disable-translate --disable-REDACTED-timer-throttling --disable-renderer-REDACTEDing --disable-device-discovery-notifications --no-sandbox --disable-setuid-sandbox http://localhost:9876/?id=56523365 --headless --disable-gpu --disable-dev-shm-usage --use-mock-keychain --password-store=basic --remote-debugging-port=9222 (dns block)
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=5000 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-59509475 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,5279878831185315517,8443950406002767954,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
  • fonts.googleapis.com
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4841 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-56523365 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,15187246722120372593,2996833142016722264,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
    • Triggering command: /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome --user-data-dir=/tmp/karma-56523365 --enable-automation --no-default-browser-check --no-first-run --disable-default-apps --disable-popup-blocking --disable-translate --disable-REDACTED-timer-throttling --disable-renderer-REDACTEDing --disable-device-discovery-notifications --no-sandbox --disable-setuid-sandbox http://localhost:9876/?id=56523365 --headless --disable-gpu --disable-dev-shm-usage --use-mock-keychain --password-store=basic --remote-debugging-port=9222 (dns block)
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=5000 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-59509475 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,5279878831185315517,8443950406002767954,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
  • redirector.gvt1.com
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4690 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-45313162 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,2950287156761857398,13286895941312112388,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
    • Triggering command: /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome --user-data-dir=/tmp/karma-45313162 --enable-automation --no-default-browser-check --no-first-run --disable-default-apps --disable-popup-blocking --disable-translate --disable-REDACTED-timer-throttling --disable-renderer-REDACTEDing --disable-device-discovery-notifications --no-sandbox --disable-setuid-sandbox http://localhost:9876/?id=45313162 --headless --disable-gpu --disable-dev-shm-usage --use-mock-keychain --password-store=basic --remote-debugging-port=9222 (dns block)
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4841 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-56523365 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,15187246722120372593,2996833142016722264,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
  • www-api.ibm.com
    • Triggering command: /home/REDACTED/work/_temp/ghcca-node/node/bin/node node /home/REDACTED/work/variable-resolver/variable-resolver/node_modules/@ibm/telemetry-js/dist/REDACTED-process.js --log=/tmp/ibmtelemetry-20260318T084020130Z-368671.log --config=telemetry.yml (dns block)
  • www.google.com
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4690 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-45313162 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,2950287156761857398,13286895941312112388,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)
    • Triggering command: /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome /home/REDACTED/.cache/puppeteer/chrome/linux-144.0.7559.96/chrome-linux64/chrome --user-data-dir=/tmp/karma-45313162 --enable-automation --no-default-browser-check --no-first-run --disable-default-apps --disable-popup-blocking --disable-translate --disable-REDACTED-timer-throttling --disable-renderer-REDACTEDing --disable-device-discovery-notifications --no-sandbox --disable-setuid-sandbox http://localhost:9876/?id=45313162 --headless --disable-gpu --disable-dev-shm-usage --use-mock-keychain --password-store=basic --remote-debugging-port=9222 (dns block)
    • Triggering command: /proc/self/exe /proc/self/exe --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=network --no-sandbox --disable-dev-shm-usage --use-angle=swiftshader-webgl --crashpad-handler-pid=4841 --enable-crash-reporter=, --noerrdialogs --user-data-dir=/tmp/karma-56523365 --change-stack-guard-on-fork=enable --shared-files=network_parent_dirs_pipe:100,v8_context_snapshot_data:101 --field-trial-handle=3,i,15187246722120372593,2996833142016722264,262144 --disable-features=PaintHolding --variations-seed-version --trace-process-track-uuid=3190708989122997041 (dns block)

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Copilot AI changed the title [WIP] [WIP] Add test case for path expression resolution on Any-typed variable feedback fix: resolve path expression on Any-typed plain variable as Any, not Null Mar 18, 2026
Copilot AI requested a review from barmac March 18, 2026 09:08
Base automatically changed from issue-87-fix to main March 19, 2026 08:44
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barmac commented Mar 19, 2026

I think we are good without it. The library exposes the EntriesContext, so anybody can use it.

@barmac barmac closed this Mar 19, 2026
@bpmn-io-tasks bpmn-io-tasks bot removed the in progress Currently worked on label Mar 19, 2026
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4 participants