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@jsenv/url-meta
Advanced tools
Associate value to urls using pattern matching.
import { URL_META } from "@jsenv/url-meta";
// conditionally associates url and values
const associations = {
color: {
"file:///*": "black",
"file:///*.js": "red",
},
};
const getUrlColor = (url) => {
const { color } = URL_META.applyAssociations({ url, associations });
return color;
};
console.log(`file.json color is ${getUrlColor("file:///file.json")}`);
console.log(`file.js color is ${getUrlColor("file:///file.js")}`);
Code above logs
file.json color is black
file.js color is red
pattern | Description |
---|---|
**/ | Everything |
*/**/ | Inside a directory |
**/.*/ | Inside directory starting with a dot |
**/node_modules/ | Inside any node_modules directory |
node_modules/ | Inside root node_modules directory |
**/*.map | Ending with .map |
**/*.test.* | Contains .test. |
* | Inside the root directory only |
*/* | Inside a directory of depth 1 |
Read more at ./pattern_matching.md
associations below translates into: "files are visible except thoose in .git/ directory"
const associations = {
visible: {
"**/*/": true,
"**/.git/": false,
},
};
associations allows to group patterns per property which are easy to read and compose. All keys in associations must be absolute urls, this can be done with resolveAssociations.
resolveAssociations is a function resolving associations keys that may contain relative urls against an url.
import { URL_META } from "@jsenv/url-meta";
const associations = URL_META.resolveAssociations(
{
visible: {
"**/*/": true,
"**/.git/": false,
},
},
"file:///Users/directory/",
);
console.log(JSON.stringify(associations, null, " "));
{
"visible": {
"file:///Users/directory/**/*/": true,
"file:///Users/directory/**/.git/": false
}
}
FAQs
Associate value to urls using pattern matching.
We found that @jsenv/url-meta demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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