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feat: use local prismjs package for grammar generation #42

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feat: use local prismjs package for grammar generation #42

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14 changes: 5 additions & 9 deletions generate.js
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@Danil42Russia Danil42Russia May 14, 2026

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I'm not entirely sure why the unsupported list is needed, but I suspect that these languages were included in the components.js file but were missing from prismjs@1.29.0.
If that's the case, it would be best to remove the unsupported list.

Original file line number Diff line number Diff line change
@@ -1,18 +1,16 @@
const fs = require('fs')
const isEqual = require('lodash.isequal')
const Prism = require('prismjs')
const components = require('prismjs/components.js')

global.Prism = Prism

const SCRIPTS = {}
const include = function (src) {
// Some black magic of eval. Load the script from src to global scope. Source: https://stackoverflow.com/a/23699187/17140794
(1, eval)(src.toString())
}

async function loadScript(src) {
const script = await fetch(src)
const text = await script.text()
include(text)
}

async function loadLanguages(lngs) {
if (lngs) {
lngs = Array.isArray(lngs) ? lngs : [lngs];
Expand All @@ -39,7 +37,7 @@ async function loadLanguage(lng) {
console.log(`${langNumber} | Loading ${lng}`);
// TODO: version should probably not be hardcoded

await loadScript(`https://cdn.jsdelivr.net/npm/prismjs@1.29.0/components/prism-${lng}.min.js`)
require(`prismjs/components/prism-${lng}.js`)
}
}

Expand Down Expand Up @@ -215,8 +213,6 @@ async function generate() {
"sparql" // requires turtle
]

await loadScript("https://cdn.jsdelivr.net/npm/prismjs@1.29.0/components/prism-core.min.js")
await loadScript("https://prismjs.com/components.js")
await loadLanguages(Object.keys(components.languages))
console.log(`\nLoaded all ${langNumber} languages`)
console.log("Processing...")
Expand Down
12 changes: 11 additions & 1 deletion package-lock.json
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3 changes: 2 additions & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
},
"homepage": "https://github.com/TelegramMessenger/libprisma#readme",
"dependencies": {
"lodash.isequal": "^4.5.0"
"lodash.isequal": "^4.5.0",
"prismjs": "1.29.0"
}
}