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example-sort

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SheetJS 2023-04-10 04:14:34 -04:00
parent 15c8071586
commit 34938cc39a
2 changed files with 62 additions and 6 deletions
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66
docz/docs/02-getting-started/02-example.mdx
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@ -79,6 +79,31 @@ complete filter would be:
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
```
### Sorting by First Term
The dataset is sorted in chronological order by the first presidential or vice
presidential term. The Vice President and President in a given term are sorted
alphabetically. Joe Biden and Barack Obama were Vice President and President
respectively in 2009. Since "Biden" is lexicographically before "Obama", Biden's
data point appears first. The goal is to sort the presidents in order of their
presidential term.
The first step is adding the first presidential term start date to the dataset.
`Array#find` will find the first value in an array that matches a criterion.
The following code looks at each president and creates a `"start"` property that
represents the start of the first presidential term.
```js
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
```
`Array#sort` will sort the array. Since the `start` properties are strings, the
recommended approach is to use `String#localeCompare` to compare strings:
```js
prez.sort((l,r) => l.start.localeCompare(r.start));
```
### Reshaping the Array
For this example, the name will be the first name combined with the last name
@ -200,6 +225,10 @@ function Presidents() { return ( <button onClick={async () => {
/* filter for the Presidents */
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
/* sort by first presidential term */
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));
/* flatten objects */
const rows = prez.map(row => ({
name: row.name.first + " " + row.name.last,
@ -248,6 +277,10 @@ hosted (no `file:///` access).
/* filter for the Presidents */
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
/* sort by first presidential term */
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));
/* flatten objects */
const rows = prez.map(row => ({
name: row.name.first + " " + row.name.last,
@ -294,6 +327,10 @@ const XLSX = require("xlsx");
/* filter for the Presidents */
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
/* sort by first presidential term */
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));
/* flatten objects */
const rows = prez.map(row => ({
name: row.name.first + " " + row.name.last,
@ -347,6 +384,10 @@ const axios = require("axios");
/* filter for the Presidents */
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
/* sort by first presidential term */
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));
/* flatten objects */
const rows = prez.map(row => ({
name: row.name.first + " " + row.name.last,
@ -393,6 +434,10 @@ const raw_data = await (await fetch(url)).json();
/* filter for the Presidents */
const prez = raw_data.filter((row: any) => row.terms.some((term: any) => term.type === "prez"));
/* sort by first presidential term */
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));
/* flatten objects */
const rows = prez.map((row: any) => ({
name: row.name.first + " " + row.name.last,
@ -434,6 +479,10 @@ const raw_data = await (await fetch(url)).json();
/* filter for the Presidents */
const prez = raw_data.filter((row) => row.terms.some((term) => term.type === "prez"));
/* sort by first presidential term */
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));
/* flatten objects */
const rows = prez.map((row) => ({
name: row.name.first + " " + row.name.last,
@ -479,6 +528,10 @@ Save the following script to `snippet.html`:
/* filter for the Presidents */
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
/* sort by first presidential term */
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));
/* flatten objects */
const rows = prez.map(row => ({
name: row.name.first + " " + row.name.last,
@ -519,15 +572,14 @@ Save the following to `package.json`:
}
```
Install dependencies and build the app:
Install dependencies and run:
```bash
npm i
npx -p nw-builder nwbuild --mode=build .
npx nw .
```
Run the generated app in the `build\sheetjs-nwjs` folder. It will show a save
dialog box. After selecting a path, the app will write the file.
The app will show a save dialog. After selecting a path, it will write the file.
</TabItem>
<TabItem value="mobile" label="Mobile App">
@ -542,7 +594,7 @@ of the React Native documentation before testing the demo.
Create a new project by running the following commands in the Terminal:
```bash
npx react-native init SheetJSPres --version="0.70.6"
npx react-native@0.70.6 init SheetJSPres --version="0.70.6"
cd SheetJSPres
npm i -S https://cdn.sheetjs.com/xlsx-latest/xlsx-latest.tgz react-native-blob-util@0.17.1
@ -564,6 +616,10 @@ const make_workbook = async() => {
/* filter for the Presidents */
const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
/* sort by first presidential term */
prez.forEach(prez => prez.start = prez.terms.find(term => term.type === "prez").start);
prez.sort((l,r) => l.start.localeCompare(r.start));
/* flatten objects */
const rows = prez.map(row => ({
name: row.name.first + " " + row.name.last,

2
docz/docs/03-demos/09-cloud/05-dropbox.mdx
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@ -162,7 +162,7 @@ function SheetJSEnregistrez() {
:::note
This demo was last tested on 2022 February 28.
This demo was last tested on 2023 February 28.
:::