typescript-template-language-service-decorator
Version:
Framework for decorating a TypeScript language service with support for languages embedded in template strings
62 lines (61 loc) • 1.99 kB
JavaScript
;
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
// Original code forked from https://github.com/Quramy/ts-graphql-plugin
Object.defineProperty(exports, "__esModule", { value: true });
exports.isTagged = exports.isTaggedLiteral = exports.findAllNodes = exports.findNode = exports.relative = void 0;
const regexp_1 = require("./util/regexp");
function relative(from, to) {
return {
line: to.line - from.line,
character: to.line === from.line ? to.character - from.character : to.character,
};
}
exports.relative = relative;
function findNode(typescript, sourceFile, position) {
function find(node) {
if (position >= node.getStart() && position < node.getEnd()) {
return typescript.forEachChild(node, find) || node;
}
}
return find(sourceFile);
}
exports.findNode = findNode;
function findAllNodes(typescript, sourceFile, cond) {
const result = [];
function find(node) {
if (cond(node)) {
result.push(node);
return;
}
else {
typescript.forEachChild(node, find);
}
}
find(sourceFile);
return result;
}
exports.findAllNodes = findAllNodes;
function isTaggedLiteral(typescript, node, tags) {
if (!node || !node.parent) {
return false;
}
if (node.parent.kind !== typescript.SyntaxKind.TaggedTemplateExpression) {
return false;
}
const tagNode = node.parent;
return isTagged(tagNode, tags);
}
exports.isTaggedLiteral = isTaggedLiteral;
function isTagged(node, tags) {
const text = node.tag.getText();
return tags.some(tag => text === tag
|| new RegExp(`$${(0, regexp_1.escapeRegExp)(tag)}\\s*^`).test(text)
|| text.startsWith(tag + '.')
|| text.endsWith('.' + tag)
|| text.startsWith(tag + '(')
|| text.startsWith(tag + '<')
|| text.startsWith(tag + '['));
}
exports.isTagged = isTagged;