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extension.js
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extension.js
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const { languages, Uri, DocumentLink, Range, workspace } = require('vscode');
function buildLinkFromPattern(line, lineIndex, packageName) {
const startCharacter = line.text.indexOf(packageName);
const endCharacter = startCharacter + packageName.length;
const linkRange = new Range(lineIndex, startCharacter, lineIndex, endCharacter);
const registryUrlPattern = workspace.getConfiguration('npmDependencyLinks').registryUrlPattern;
const registryUrl = registryUrlPattern.replace('{{pkg}}', packageName)
const linkUri = Uri.parse(registryUrl);
return new DocumentLink(linkRange, linkUri);
}
function shouldUseUrlPattern() {
return !!workspace.getConfiguration('npmDependencyLinks').registryUrlPattern
}
function buildLink(line, lineIndex, packageName) {
if (shouldUseUrlPattern()) {
return buildLinkFromPattern(line, lineIndex, packageName)
}
const startCharacter = line.text.indexOf(packageName);
const endCharacter = startCharacter + packageName.length;
const linkRange = new Range(lineIndex, startCharacter, lineIndex, endCharacter);
const registryUrl = workspace.getConfiguration('npmDependencyLinks').registryUrl;
const linkUri = Uri.parse(`${registryUrl}${packageName}`);
return new DocumentLink(linkRange, linkUri);
}
exports.activate = function (context) {
const disposable = languages.registerDocumentLinkProvider(['javascript', { pattern: '**/package.json' }], {
provideDocumentLinks(document, token) {
let links = [];
let lineIndex = 0;
let shouldCheckForDependency = false;
while (lineIndex < document.lineCount) {
const line = document.lineAt(lineIndex);
if (shouldCheckForDependency) {
// no need to check for dependencies if block ended
if (line.text.includes('}')) {
shouldCheckForDependency = false;
} else {
// find dependency
const matches = line.text.match(/"(.*?)"/);
if (matches) {
links.push(buildLink(line, lineIndex, matches[1]));
}
}
} else {
// check if we are in a dependencies block
shouldCheckForDependency = /"(.*?)dependencies"/i.test(line.text);
}
lineIndex += 1;
}
return links;
}
});
context.subscriptions.push(disposable)
};