Performs a basic Excel API call using plain JavaScript & Promises.

Basic API call (JavaScript).EXCEL.yaml

name: Basic API call (JavaScript)
description: Performs a basic Excel API call using plain JavaScript & Promises.
host: EXCEL
api_set: {}
script:
  content: |
    $("#run").click(() => tryCatch(run));

    function run() {
      return Excel.run(function(context) {
        var range = context.workbook.getSelectedRange();
        range.format.fill.color = "yellow";
        range.load(["address","values"]);
        return context.sync().then(function() {
          console.log('The range address was "' + range.address + '".');
          return populateRange(context, range);
        });
      });
    }
    function populateRange(context: Excel.RequestContext, range: Excel.Range) {
      console.log("populateRange: range is - ", range.address);
      var newValues = range.values;
      var counter = 1;
      for (var i = 0; i < newValues.length; i++) {
        for (var j = 0; j < newValues[i].length; j++) {
          newValues[i][j] = counter++;
        }
      }
      range.values = newValues;

      return context.sync()
        .then(function () {
          console.log("finished populating the matrix");
        });
    }

    /** Default helper for invoking an action and handling errors. */
    function tryCatch(callback) {
      Promise.resolve()
        .then(callback)
        .catch(function(error) {
          // Note: In a production add-in, you'd want to notify the user through your add-in's UI.
          console.error(error);
        });
    }
  language: typescript
template:
  content: |
    <section class="ms-font-m">
        <p class="ms-font-m">This sample demonstrates basic Excel API calls.</p>
    </section>

    <section class="samples ms-font-m">
        <h3>Try it out</h3>
        <p class="ms-font-m">Select some cells in the worksheet, then press <b>Highlight selected range</b>.</p>
        <button id="run" class="ms-Button">
            <span class="ms-Button-label">Highlight selected range</span>
        </button>
    </section>
  language: html
style:
  content: |-
    section.samples {
        margin-top: 20px;
    }

    section.samples .ms-Button, section.setup .ms-Button {
        display: block;
        margin-bottom: 5px;
        margin-left: 20px;
        min-width: 80px;
    }
  language: css
libraries: |
  https://appsforoffice.microsoft.com/lib/1/hosted/office.js
  @types/office-js

  office-ui-fabric-js@1.4.0/dist/css/fabric.min.css
  office-ui-fabric-js@1.4.0/dist/css/fabric.components.min.css

  core-js@2.4.1/client/core.min.js
  @types/core-js

  jquery@3.1.1
  @types/jquery@3.3.1