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* ci: drop dlltool from nodejs libs release * nodejs: download libsimplex into the user cache * nodejs: load libsimplex at runtime per backend * support bot: select db backend with --db * python: match backend switch error text * nodejs: download prebuilt add-on at runtime * ci: build nodejs add-on for libs release * calculator bot: load libs and add-on in image * support bot: document add-on override * nodejs: keep worker test output free of colors * nodejs: verify sha-256 of downloaded assets * python: pin core libs release with sha-256 * ci: add packages release script * ci: release nodejs add-on and open release PR * ci: publish packages after release PR * nodejs: keep npm from building the add-on * calculator bot: build the add-on in the image * ci: merge package release workflows * ci: open release PR when publishing fails * ci: build the add-on with node-addon-api only * ci: skip publishing in a called packages workflow * ci: update package release actions to Node 24 * nodejs: fix receive test timeout * ci: test packages on pull requests * nodejs: reuse the database in the close stress test * ci: keep failed package tests from hanging * ci: skip preset server tests * ci: plan package builds from the changes * ci: test packages with a given libsimplex * ci: test packages with libsimplex of core changes
SimpleX Calculator
A calculator bot built with the SimpleX Chat Node.js library.
Each user who connects via the bot's business address receives a calculator message with keys as commands. The bot replaces this message after each input.
×and÷are applied before+and-, so2 + 3 × 4 =equals 14.%is computed as in Apple's calculator:100 + 15 % =equals 115.- Tap
Cto clear the number, andCagain to clear the calculation. - Numbers are shown without exponent, up to 15 digits; larger results are shown as
Error. - You can also send numbers and keys like
+,=,addorc. Expressions like(2 + 3) × 4are entered as one number, and the bot replies to them with the result. - The bot deletes keys and numbers, tapped or sent, and logs each computed operation, such as
15 + 10 = 25. - After 10 minutes without input, the bot turns the calculator off and discards the calculation; tap any key to turn it on.
- The bot sends keys like
/+to apps with chat protocol version 21 or later, and keys like/addto older apps.
Run
npm install
npm run build
npm start
The bot prints its address and keeps its data in ./data.
To add a SimpleX name to the address, register the name with the address short link, and run npm start -- --domain yourname.simplex. The name is kept when the bot starts without --domain.
To use the library from this repository, build it and run npm install --no-save ../../packages/simplex-chat-nodejs instead of npm install, then start the bot with SIMPLEX_ADDON_PATH=../../packages/simplex-chat-nodejs/build/Release/simplex.node.
Test
npm test
A local SMP server is started for the end-to-end test. On Linux, smp-server is downloaded from simplexmq releases; to use another build, or on other systems, set SMP_SERVER to the path of smp-server.