242 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			242 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.CompletionsProviderImpl = void 0;
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const vscode_html_languageservice_1 = require("vscode-html-languageservice");
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const vscode_languageserver_1 = require("vscode-languageserver");
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const utils_1 = require("../../../core/documents/utils");
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const astro_attributes_1 = require("../../html/features/astro-attributes");
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const utils_2 = require("../../html/utils");
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const utils_3 = require("../../typescript/utils");
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class CompletionsProviderImpl {
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    constructor(languageServiceManager) {
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        this.lastCompletion = null;
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        this.directivesHTMLLang = (0, vscode_html_languageservice_1.getLanguageService)({
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            customDataProviders: [astro_attributes_1.astroDirectives],
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            useDefaultDataProvider: false,
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        });
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        this.languageServiceManager = languageServiceManager;
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        this.ts = languageServiceManager.docContext.ts;
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    }
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    async getCompletions(document, position, completionContext) {
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        let items = [];
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        const html = document.html;
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        const offset = document.offsetAt(position);
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        const node = html.findNodeAt(offset);
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        const insideExpression = (0, utils_1.isInsideExpression)(document.getText(), node.start, offset);
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        if (completionContext?.triggerCharacter === '-' && node.parent === undefined && !insideExpression) {
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            const frontmatter = this.getComponentScriptCompletion(document, position);
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            if (frontmatter)
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                items.push(frontmatter);
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        }
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        if ((0, utils_1.isInComponentStartTag)(html, offset) && !insideExpression) {
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            const { completions: props, componentFilePath } = await this.getPropCompletionsAndFilePath(document, position, completionContext);
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            if (props.length) {
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                items.push(...props);
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            }
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            const isAstro = componentFilePath?.endsWith('.astro');
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            if (!isAstro && node.tag !== 'Fragment') {
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                const directives = (0, utils_2.removeDataAttrCompletion)(this.directivesHTMLLang.doComplete(document, position, html).items);
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                items.push(...directives);
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            }
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        }
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        return vscode_languageserver_1.CompletionList.create(items, true);
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    }
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    getComponentScriptCompletion(document, position) {
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        const base = {
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            kind: vscode_languageserver_1.CompletionItemKind.Snippet,
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            label: '---',
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            sortText: '\0',
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            preselect: true,
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            detail: 'Create component script block',
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            insertTextFormat: vscode_languageserver_1.InsertTextFormat.Snippet,
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            commitCharacters: [],
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        };
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        const prefix = document.getLineUntilOffset(document.offsetAt(position));
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        if (document.astroMeta.frontmatter.state === null) {
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            return {
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                ...base,
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                insertText: '---\n$0\n---',
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                textEdit: prefix.match(/^\s*\-+/)
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                    ? vscode_languageserver_1.TextEdit.replace({ start: { ...position, character: 0 }, end: position }, '---\n$0\n---')
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                    : undefined,
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            };
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        }
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        if (document.astroMeta.frontmatter.state === 'open') {
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            let insertText = '---';
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            // If the current line is a full component script starter/ender, the user expects a full frontmatter
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            // completion and not just a completion for "---"  on the same line (which result in, well, nothing)
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            if (prefix === '---') {
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                insertText = '---\n$0\n---';
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            }
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            return {
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                ...base,
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                insertText,
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                detail: insertText === '---' ? 'Close component script block' : 'Create component script block',
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                textEdit: prefix.match(/^\s*\-+/)
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                    ? vscode_languageserver_1.TextEdit.replace({ start: { ...position, character: 0 }, end: position }, insertText)
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                    : undefined,
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            };
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        }
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        return null;
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    }
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    async getPropCompletionsAndFilePath(document, position, completionContext) {
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        const offset = document.offsetAt(position);
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        const html = document.html;
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        const node = html.findNodeAt(offset);
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        if (!(0, utils_1.isPossibleComponent)(node)) {
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            return { completions: [], componentFilePath: null };
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        }
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        const inAttribute = node.start + node.tag.length < offset;
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        if (!inAttribute) {
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            return { completions: [], componentFilePath: null };
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        }
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        if (completionContext?.triggerCharacter === '/' || completionContext?.triggerCharacter === '>') {
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            return { completions: [], componentFilePath: null };
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        }
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        // If inside of attribute value, skip.
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        if (completionContext &&
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            completionContext.triggerKind === vscode_languageserver_1.CompletionTriggerKind.TriggerCharacter &&
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            completionContext.triggerCharacter === '"') {
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            return { completions: [], componentFilePath: null };
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        }
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        const componentName = node.tag;
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        const { lang, tsDoc } = await this.languageServiceManager.getLSAndTSDoc(document);
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        // Get the source file
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        const tsFilePath = tsDoc.filePath;
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        const program = lang.getProgram();
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        const sourceFile = program?.getSourceFile(tsFilePath);
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        const typeChecker = program?.getTypeChecker();
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        if (!sourceFile || !typeChecker) {
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            return { completions: [], componentFilePath: null };
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        }
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        // Get the import statement
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        const imp = this.getImportedSymbol(sourceFile, componentName);
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        const importType = imp && typeChecker.getTypeAtLocation(imp);
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        if (!importType) {
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            return { completions: [], componentFilePath: null };
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        }
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        const symbol = importType.getSymbol();
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        if (!symbol) {
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            return { completions: [], componentFilePath: null };
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        }
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        const symbolDeclaration = symbol.declarations;
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        if (!symbolDeclaration) {
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            return { completions: [], componentFilePath: null };
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        }
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        const filePath = symbolDeclaration[0].getSourceFile().fileName;
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        const componentSnapshot = await this.languageServiceManager.getSnapshot(filePath);
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        if (this.lastCompletion) {
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            if (this.lastCompletion.tag === componentName &&
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                this.lastCompletion.documentVersion == componentSnapshot.version) {
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                return { completions: this.lastCompletion.completions, componentFilePath: filePath };
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            }
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        }
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        // Get the component's props type
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        const componentType = this.getPropType(symbolDeclaration, typeChecker);
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        if (!componentType) {
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            return { completions: [], componentFilePath: null };
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        }
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        let completionItems = [];
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        // Add completions for this component's props type properties
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        const properties = componentType.getProperties().filter((property) => property.name !== 'children') || [];
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        properties.forEach((property) => {
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            const type = typeChecker.getTypeOfSymbolAtLocation(property, imp);
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            let completionItem = this.getCompletionItemForProperty(property, typeChecker, type);
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            completionItems.push(completionItem);
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        });
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        this.lastCompletion = {
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            tag: componentName,
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            documentVersion: componentSnapshot.version,
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            completions: completionItems,
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        };
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        return { completions: completionItems, componentFilePath: filePath };
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    }
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    getImportedSymbol(sourceFile, identifier) {
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        for (let list of sourceFile.getChildren()) {
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            for (let node of list.getChildren()) {
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                if (this.ts.isImportDeclaration(node)) {
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                    let clauses = node.importClause;
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                    if (!clauses)
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                        continue;
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                    let namedImport = clauses.getChildAt(0);
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                    if (this.ts.isNamedImports(namedImport)) {
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                        for (let imp of namedImport.elements) {
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                            // Iterate the named imports
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                            if (imp.name.getText() === identifier) {
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                                return imp;
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                            }
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                        }
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                    }
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                    else if (this.ts.isIdentifier(namedImport)) {
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                        if (namedImport.getText() === identifier) {
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                            return namedImport;
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                        }
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                    }
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                }
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            }
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        }
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        return null;
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    }
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    getPropType(declarations, typeChecker) {
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        for (const decl of declarations) {
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            const fileName = (0, utils_3.toVirtualFilePath)(decl.getSourceFile().fileName);
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            if (fileName.endsWith('.tsx') || fileName.endsWith('.jsx') || fileName.endsWith('.d.ts')) {
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                if (!this.ts.isFunctionDeclaration(decl) && !this.ts.isFunctionTypeNode(decl)) {
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                    console.error(`We only support functions declarations at the moment`);
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                    continue;
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                }
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                const fn = decl;
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                if (!fn.parameters.length)
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                    continue;
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                const param1 = fn.parameters[0];
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                const propType = typeChecker.getTypeAtLocation(param1);
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                return propType;
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            }
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        }
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        return null;
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    }
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    getCompletionItemForProperty(mem, typeChecker, type) {
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        const typeString = typeChecker.typeToString(type);
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        let insertText = mem.name;
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        switch (typeString) {
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            case 'string':
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                insertText = `${mem.name}="$1"`;
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                break;
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            case 'boolean':
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                insertText = mem.name;
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                break;
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            default:
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                insertText = `${mem.name}={$1}`;
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                break;
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        }
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        let item = {
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            label: mem.name,
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            detail: typeString,
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            insertText: insertText,
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            insertTextFormat: vscode_languageserver_1.InsertTextFormat.Snippet,
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            commitCharacters: [],
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            // Ensure that props shows up first as a completion, despite this plugin being ran after the HTML one
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            sortText: '\0',
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        };
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        if (mem.flags & this.ts.SymbolFlags.Optional) {
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            item.filterText = item.label;
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            item.label += '?';
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            // Put optional props at a lower priority
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            item.sortText = '_';
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        }
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        mem.getDocumentationComment(typeChecker);
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        let description = mem
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            .getDocumentationComment(typeChecker)
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            .map((val) => val.text)
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            .join('\n');
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        if (description) {
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            let docs = {
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                kind: vscode_languageserver_1.MarkupKind.Markdown,
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                value: description,
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            };
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            item.documentation = docs;
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        }
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        return item;
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    }
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}
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exports.CompletionsProviderImpl = CompletionsProviderImpl;
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