langParser.js: Generate language list dynamically #136

mooncos · 2018-01-14T18:46:04Z

This adds langParser.js to generate the available
language list automatically from available translation
files. This also adds a npm script for generating before
webpack bundles. Modifies .gitignore so that generated
languages.js file is ignored. Adds tests. Renames
nb_NO.json to nb-NO.json to comply with RFC
standards.

Closes: #125

andrewda

Also, the rename from nb_NO to nb-NO seems unrelated to this PR.

andrewda · 2018-01-14T18:49:10Z

lib/langParser.js

+const fs = require('fs')
+const iso639 = require('iso-639-1')
+
+fs.readdir(`${__dirname}/../static/i18n`, function(err, items) {


ES6 syntax: (err, items) => {

andrewda · 2018-01-14T18:49:42Z

lib/langParser.js

+  var avaliableLanguages = {
+    Languages: {},
+  }
+  for (var i = 0; i < items.length; i++) {


items.forEach(...) is significantly cleaner in this case

andrewda · 2018-01-14T18:51:42Z

lib/langParser.js

+fs.readdir(`${__dirname}/../static/i18n`, function(err, items) {
+  var avaliableLanguages = {
+    Languages: {},
+  }


Does this need to have a nested object? Would be much cleaner to just use availableLanguages = {}

It needs to be so that we can import all nested objects at once.

andrewda · 2018-01-14T18:52:12Z

lib/langParser.js

+const iso639 = require('iso-639-1')
+
+fs.readdir(`${__dirname}/../static/i18n`, function(err, items) {
+  var avaliableLanguages = {


Typo - should be availableLanguages.

Also, use ES6's const instead of var.

andrewda · 2018-01-14T18:52:32Z

lib/langParser.js

+  for (var i = 0; i < items.length; i++) {
+    var langName = items[i].substring(0, items[i].indexOf('.'))
+    var normalizedName = langName.split('-')[0]
+    var nativeName = iso639.getNativeName(normalizedName)


All of these can be const instead of var.

andrewda · 2018-01-14T18:53:29Z

lib/langParser.js

+    `${__dirname}/../src/js/languages.js`,
+    'export default ' +
+      JSON.stringify(avaliableLanguages) +
+      ' // eslint-disable-line'


This is pretty sketch. Can we write directly to a languages.json JSON file instead?

I've tried with no success...

Is it possible to import a JSON file in ES6? I can't seem to achieve it.

mooncos · 2018-01-14T19:34:07Z

@andrewda it needs to be changed to nb-NO as per ISO and RFC standards compliance for the npm package

jayvdb · 2018-01-15T03:03:16Z

We cant rename static/i18n/nb_NO.json → static/i18n/nb-NO.json . These filenames are provided by Weblate, so we must use them otherwise they think the translation is missing.

mooncos · 2018-01-15T06:18:43Z

Ok.

blazeu · 2018-01-15T10:33:27Z

lib/langParser.js

+  })
+  fs.writeFileSync(
+    `${__dirname}/../src/js/languages.js`,
+    'export default ' +


A .json file saves the trouble of having to export things.

And how can I import a JSON file?

import name from 'file.json'

I’ve tried without success

try require() ?

blazeu · 2018-01-15T10:37:36Z

There's a webpack plugin to generate json file
https://www.npmjs.com/package/generate-json-webpack-plugin

Using that will prevent us from having another js script be added to build script.

mooncos · 2018-01-15T15:59:16Z

Ok. Should I write all logic within webpack.config.js?

blazeu · 2018-01-15T16:34:01Z

Not really, you can import/require langParser.js in webpack.config.js

mooncos · 2018-01-15T16:40:16Z

@blazeu fixed that. but where is the generated JSON located?

gitmate-bot · 2018-01-15T17:39:10Z

src/js/languages.json

@@ -0,0 +1 @@
+{"English":"en","Español":"es","Norsk bokmål":"nb_NO","język polski":"pl"}


Line contains following spacing inconsistencies:

No newline at EOF.

Origin: SpaceConsistencyBear, Section: all.whitespace.

The issue can be fixed by applying the following patch:

--- a/tmp/tmpeolv_bln/src/js/languages.json +++ b/tmp/tmpeolv_bln/src/js/languages.json @@ -1 +1 @@ -{"English":"en","Español":"es","Norsk bokmål":"nb_NO","język polski":"pl"}+{"English":"en","Español":"es","Norsk bokmål":"nb_NO","język polski":"pl"}

Can you make this pretty printed.

Also I guess it should be in static/ , but I am not 100% sure about that.

Or .gitignore it because it's generated each time.

I fixed that but I now have another problem: webpack reads the import statements before the languages.json file is generated. I don’t know how to fix this.

elliottsj/generate-json-webpack-plugin#5

Yup it is not possible to import the generated json, might have to use the previous method or search for another webpack plugin.

webpack reads the import statements before the languages.json file is generated.

When new language is added, the compiled js will still import the file that has the old language list. That is undesirable.

This adds ``langParser.js`` to generate the available language list automatically from available translation files. This also adds a npm script for generating before webpack bundles. Modifies .gitignore so that generated ``languages.js`` file is ignored. Adds tests. Closes: coala#125

jayvdb · 2018-01-27T18:13:16Z

ack 6948c27

jayvdb · 2018-01-27T18:14:31Z

needs a rebase, and a recheck by @blazeu , or @wisn

wisn · 2018-01-28T01:22:47Z

webpack.config.js

@@ -104,6 +106,7 @@ module.exports = {
    ]),
    new ExtractTextPlugin(`[name]${hash}.css`),
    new ManifestPlugin(),
+    new GenerateJsonPlugin('../src/js/languages.json', generatedLangList),


In case you want to prettify the output.

GenerateJsonPlugin(<file>, <json>, [replacer], [space])

Fill out that space argument.

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Yana Agun Siswanto - Wikimedia / Coala / Zulip gsocindonesia/coaching2018#8

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langParser.js: Generate language list dynamically #136

langParser.js: Generate language list dynamically #136

mooncos commented Jan 14, 2018 •

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		@@ -0,0 +1 @@
		{"English":"en","Español":"es","Norsk bokmål":"nb_NO","język polski":"pl"}

langParser.js: Generate language list dynamically #136

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langParser.js: Generate language list dynamically #136

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