Display FeatureSet as a Table - Postman - Post Response Visualization

display-features-as-table.js

/**
 * @typedef SpatialReference
 * @property {number} wkid
 * @property {?number} latestWkid
 */

/**
 * @typedef Field
 * @property {string} name
 * @property {string} type
 * @property {string} alias
 * @property {number?} length
 */

/**
 * @typedef Point
 * @property {number} x
 * @property {number} y
 */

/**
 * @typedef Polyline
 * @property {[number, number][][]} paths
 */

/**
 * @typedef {(Point|Polyline)} Geometry
 */

/**
 * @typedef Feature
 * @property {Object.<string, *>} attributes
 * @property {Geometry} geometry
 */

/**
 * @typedef FeatureSet
 * @property {string} displayFieldName
 * @property {Object.<string, string>} fieldAliases - A mapping of field names to their aliases.
 * @property {"esriGeometryPoint"|"esriGeometryPolyline"} - geometry type
 * @property {SpatialReference} spatialReference
 * @property {Field[]} fields
 * @property {Feature[]} features
 * @property {?string} timestamp
 */

/**
 * @param {string} key
 * @param {*} value
 */
function convertJsonValues(key, value) {
    if (typeof value === "string") {
        if (key === "timestamp") {
            // 2022-09-01 15:06:38.088228
            return new Date(value);
        }
    }
    else if (typeof value === "number") {
        if (key.match(/.*Date.*/i)) {
            // 1770229885060
            return new Date(value);
        }
    }

    return value;
}

/**
 * @type {FeatureSet}
 */
const jsonData = pm.response.json(convertJsonValues);

const maxMinutes = 5;
pm.test(`Timestamp should be no more than ${maxMinutes} minutes old.`, function () {
    /** @type {Date} */
    const timestamp = jsonData.timestamp;
    const now = new Date();
    const elapsed = (now - timestamp) / (1000) / 60;
    console.log(`timestamp: ${timestamp}\nnow: ${now}\nelapsed${elapsed}`);
    pm.expect(elapsed).to.be.lte(maxMinutes);
});

pm.test("Has expected attributes", () => {
    pm.expect(jsonData)
        .to.have.own.property("geometryType")
        .which.matches(/^esriGeometry((Point)|(Polyline))/)
    const arrayPropertyNames = ["features", "fields"]
    for (const fieldName of arrayPropertyNames) {
        pm.expect(jsonData)
            .to.have.own.property(fieldName)
            .instanceOf(Array)
    }
    for (const feature of jsonData.features) {
        pm.expect(feature).to.have.own.property("attributes").to.be.an("object");
        pm.expect(feature).to.have.own.property("geometry").to.be.an("object");
    }
})

const template = `
<style>
    body {
        background-color: white;
        color: black;
    }
    table {
        border-collapse: collapse;
    }
    td {
        border: 1px solid black;
    }
    tr {
        padding: 0;
    }
</style>
{{#with response}}
{{#if timestamp}}
<p>Last updated: {{timestamp}}</p>
{{/if}}
<table>
    <thead>
        <tr>
            {{#each fields}}
            <th>{{alias}}</th>
            {{/each}}
        </tr>
    </thead>
    <tbody>
        {{#each features}}
            <tr>
                {{#each attributes}}
                    <td>
                        {{this}}
                    </td>
                {{/each}}
            </tr>
        {{/each}}
    </tbody>
</table>
{{/with}}
`

pm.visualizer.set(template, {
    response: jsonData
})