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An experimental spreadsheet application built using Vue 3's reactivity engine

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Reactive Tables

An experimental browser-based spreadsheet application, with some unusual features. Based on Vue 3 and uses Vite.

Demo

Live Demo

Playing with reactive functions: table, complex functions

Why

  • JavaScript enables much more complex formulas than what the standard spreadsheets allow.
  • I always wanted to use Vue.js to build a spreadsheet reactivity engine. This was made possible with Vue 3. I wrote an article about this.
  • Vue 3's powerful reactivity engine enables fancy experimental features, such as reactive functions (see above).

Features:

  • inputting data and formulas;
  • moving around the sheet with keyboard and mouse (enter or double click to edit, esc when done);
  • selection:
    • single cells (left click),
    • blocks (shift + arrow key or shift + left click or mouse drag),
    • multiple cells and/or blocks (ctrl + any of the above);
  • spreading content in rows/columns/blocks (inline cell menu);
  • copying and pasting selection (tab-separated cells, interoperable with other tools);
  • value formulas such as SIN and COS, and range formulas such as SUM;
  • reactive functions: define a function with = MAP(name, function), call it somewhere, change the function, the results are updated immediately.

Note that although the computation engine is very fast as it is based on Vue 3, most other things are not optimised.

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An experimental spreadsheet application built using Vue 3's reactivity engine

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