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@csstools/css-tokenizer
Advanced tools
Readme
Implemented from : https://www.w3.org/TR/2021/CRD-css-syntax-3-20211224/
Add CSS Tokenizer to your project:
npm install @csstools/css-tokenizer --save-dev
import { tokenizer, TokenType } from '@csstools/css-tokenizer';
const myCSS = `@media only screen and (min-width: 768rem) {
.foo {
content: 'Some content!' !important;
}
}
`;
const t = tokenizer({
css: myCSS,
});
while (true) {
const token = t.nextToken();
if (token[0] === TokenType.EOF) {
break;
}
console.log(token);
}
Or use the tokenize
helper function:
import { tokenize } from '@csstools/css-tokenizer';
const myCSS = `@media only screen and (min-width: 768rem) {
.foo {
content: 'Some content!' !important;
}
}
`;
const tokens = tokenize({
css: myCSS,
});
console.log(tokens);
{
onParseError?: (error: ParseError) => void
}
onParseError
The tokenizer is forgiving and won't stop when a parse error is encountered.
To receive parsing error information you can set a callback.
import { tokenizer, TokenType } from '@csstools/css-tokenizer';
const t = tokenizer({
css: '\\',
}, { onParseError: (err) => console.warn(err) });
while (true) {
const token = t.nextToken();
if (token[0] === TokenType.EOF) {
break;
}
}
Parser errors will try to inform you where in the tokenizer logic the error happened. This tells you what kind of error occurred.
Things this package aims to be:
What it is not:
FAQs
Tokenize CSS
The npm package @csstools/css-tokenizer receives a total of 2,909,454 weekly downloads. As such, @csstools/css-tokenizer popularity was classified as popular.
We found that @csstools/css-tokenizer demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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