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vue-document-drop.ts
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import { VueVirtualCode, forEachEmbeddedCode } from '@vue/language-core';
import { camelize, capitalize, hyphenate } from '@vue/shared';
import { posix as path } from 'path-browserify';
import { getUserPreferences } from 'volar-service-typescript/lib/configs/getUserPreferences';
import type * as vscode from 'vscode-languageserver-protocol';
import { URI } from 'vscode-uri';
import { createAddComponentToOptionEdit, getLastImportNode } from '../plugins/vue-extract-file';
import { LanguageServiceContext, LanguageServicePlugin, TagNameCasing } from '../types';
export function create(
ts: typeof import('typescript'),
getTsPluginClient?: (context: LanguageServiceContext) => typeof import('@vue/typescript-plugin/lib/client') | undefined
): LanguageServicePlugin {
return {
name: 'vue-document-drop',
capabilities: {
documentDropEditsProvider: true,
},
create(context) {
if (!context.project.vue) {
return {};
}
let casing = TagNameCasing.Pascal as TagNameCasing; // TODO
const tsPluginClient = getTsPluginClient?.(context);
const vueCompilerOptions = context.project.vue.compilerOptions;
return {
async provideDocumentDropEdits(document, _position, dataTransfer) {
if (document.languageId !== 'html') {
return;
}
const uri = URI.parse(document.uri);
const decoded = context.decodeEmbeddedDocumentUri(uri);
const sourceScript = decoded && context.language.scripts.get(decoded[0]);
if (!sourceScript?.generated) {
return;
}
const root = sourceScript.generated.root;
if (!(root instanceof VueVirtualCode)) {
return;
}
let importUri: string | undefined;
for (const [mimeType, item] of dataTransfer) {
if (mimeType === 'text/uri-list') {
importUri = item.value as string;
}
}
if (!importUri || !vueCompilerOptions.extensions.some(ext => importUri.endsWith(ext))) {
return;
}
const { sfc } = root;
const script = sfc.scriptSetup ?? sfc.script;
if (!script) {
return;
}
let baseName = importUri.slice(importUri.lastIndexOf('/') + 1);
baseName = baseName.slice(0, baseName.lastIndexOf('.'));
const newName = capitalize(camelize(baseName));
const additionalEdit: vscode.WorkspaceEdit = {};
const code = [...forEachEmbeddedCode(root)].find(code => code.id === (sfc.scriptSetup ? 'scriptsetup_raw' : 'script_raw'))!;
const lastImportNode = getLastImportNode(ts, script.ast);
const incomingFileName = context.project.typescript?.uriConverter.asFileName(URI.parse(importUri))
?? URI.parse(importUri).fsPath.replace(/\\/g, '/');
let importPath: string | undefined;
const serviceScript = sourceScript.generated?.languagePlugin.typescript?.getServiceScript(root);
if (tsPluginClient && serviceScript) {
const tsDocumentUri = context.encodeEmbeddedDocumentUri(sourceScript.id, serviceScript.code.id);
const tsDocument = context.documents.get(tsDocumentUri, serviceScript.code.languageId, serviceScript.code.snapshot);
const preferences = await getUserPreferences(context, tsDocument);
const importPathRequest = await tsPluginClient.getImportPathForFile(root.fileName, incomingFileName, preferences);
if (importPathRequest) {
importPath = importPathRequest;
}
}
if (!importPath) {
importPath = path.relative(path.dirname(root.fileName), incomingFileName)
|| importUri.slice(importUri.lastIndexOf('/') + 1);
if (!importPath.startsWith('./') && !importPath.startsWith('../')) {
importPath = './' + importPath;
}
}
const embeddedDocumentUriStr = context.encodeEmbeddedDocumentUri(sourceScript.id, code.id).toString();
additionalEdit.changes ??= {};
additionalEdit.changes[embeddedDocumentUriStr] = [];
additionalEdit.changes[embeddedDocumentUriStr].push({
range: lastImportNode ? {
start: script.ast.getLineAndCharacterOfPosition(lastImportNode.end),
end: script.ast.getLineAndCharacterOfPosition(lastImportNode.end),
} : {
start: script.ast.getLineAndCharacterOfPosition(0),
end: script.ast.getLineAndCharacterOfPosition(0),
},
newText: `\nimport ${newName} from '${importPath}'`
+ (lastImportNode ? '' : '\n'),
});
if (sfc.script) {
const edit = createAddComponentToOptionEdit(ts, sfc, sfc.script.ast, newName);
if (edit) {
additionalEdit.changes[embeddedDocumentUriStr].push({
range: {
start: document.positionAt(edit.range.start),
end: document.positionAt(edit.range.end),
},
newText: edit.newText,
});
}
}
return {
insertText: `<${casing === TagNameCasing.Kebab ? hyphenate(newName) : newName}$0 />`,
insertTextFormat: 2 satisfies typeof vscode.InsertTextFormat.Snippet,
additionalEdit,
};
},
};
},
};
}