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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.convertSvelteRoot = convertSvelteRoot;
const element_1 = require("./element");
const attr_1 = require("./attr");
const script_1 = require("../script");
const fix_locations_1 = require("../../context/fix-locations");
const compat_1 = require("../compat");
const sort_1 = require("../sort");
/**
* Convert root
*/
function convertSvelteRoot(svelteAst, ctx) {
var _a;
const ast = Object.assign({ type: "Program", body: [], comments: ctx.comments, sourceType: "module", tokens: ctx.tokens, parent: null }, ctx.getConvertLocation({ start: 0, end: ctx.code.length }));
const body = ast.body;
const snippetChildren = [];
const fragment = (0, compat_1.getFragmentFromRoot)(svelteAst);
if (fragment) {
let children = (0, compat_1.getChildren)(fragment);
const options = (0, compat_1.getOptionsFromRoot)(svelteAst);
if (options) {
children = [...children];
if (!children.some((node, idx) => {
if (options.end <= node.start) {
children.splice(idx, 0, options);
return true;
}
return false;
})) {
children.push(options);
}
}
const nonSnippetChildren = [];
for (const child of children) {
if (child.type === "SnippetBlock") {
snippetChildren.push(child);
}
else {
nonSnippetChildren.push(child);
}
}
body.push(...(0, element_1.convertChildren)({ nodes: nonSnippetChildren }, ast, ctx));
}
let script = null;
const instance = (0, compat_1.getInstanceFromRoot)(svelteAst);
if (instance) {
script = Object.assign({ type: "SvelteScriptElement", name: null, startTag: null, body: [], endTag: null, parent: ast }, ctx.getConvertLocation(instance));
extractAttributes(script, ctx);
(0, element_1.extractElementTags)(script, ctx, {
buildNameNode: (openTokenRange) => {
ctx.addToken("HTMLIdentifier", openTokenRange);
const name = Object.assign({ type: "SvelteName", name: "script", parent: script }, ctx.getConvertLocation(openTokenRange));
return name;
},
});
body.push(script);
}
const module = (0, compat_1.getModuleFromRoot)(svelteAst);
if (module) {
const script = Object.assign({ type: "SvelteScriptElement", name: null, startTag: null, body: [], endTag: null, parent: ast }, ctx.getConvertLocation(module));
extractAttributes(script, ctx);
(0, element_1.extractElementTags)(script, ctx, {
buildNameNode: (openTokenRange) => {
ctx.addToken("HTMLIdentifier", openTokenRange);
const name = Object.assign({ type: "SvelteName", name: "script", parent: script }, ctx.getConvertLocation(openTokenRange));
return name;
},
});
body.push(script);
}
if (svelteAst.css) {
const style = Object.assign({ type: "SvelteStyleElement", name: null, startTag: null, children: [], endTag: null, parent: ast }, ctx.getConvertLocation(svelteAst.css));
extractAttributes(style, ctx);
(0, element_1.extractElementTags)(style, ctx, {
buildNameNode: (openTokenRange) => {
ctx.addToken("HTMLIdentifier", openTokenRange);
const name = Object.assign({ type: "SvelteName", name: "style", parent: style }, ctx.getConvertLocation(openTokenRange));
return name;
},
});
if (style.endTag && style.startTag.range[1] < style.endTag.range[0]) {
const contentRange = {
start: style.startTag.range[1],
end: style.endTag.range[0],
};
ctx.addToken("HTMLText", contentRange);
style.children = [
Object.assign({ type: "SvelteText", value: ctx.code.slice(contentRange.start, contentRange.end), parent: style }, ctx.getConvertLocation(contentRange)),
];
}
body.push(style);
}
body.push(...(0, element_1.convertChildren)({ nodes: snippetChildren }, ast, ctx));
if (script && ((_a = ctx.parserOptions.svelteFeatures) === null || _a === void 0 ? void 0 : _a.experimentalGenerics))
convertGenericsAttribute(script, ctx);
// Set the scope of the Program node.
ctx.scriptLet.addProgramRestore((node, _tokens, _comments, { scopeManager, registerNodeToScope, addPostProcess }) => {
const scopes = [];
for (const scope of scopeManager.scopes) {
if (scope.block === node) {
registerNodeToScope(ast, scope);
scopes.push(scope);
}
}
addPostProcess(() => {
// Reverts the node indicated by `block` to the original Program node.
// This state is incorrect, but `eslint-utils`'s `referenceTracker.iterateEsmReferences()` tracks import statements
// from Program nodes set to `block` in global scope. This can only be handled by the original Program node.
scopeManager.globalScope.block = node;
});
});
(0, sort_1.sortNodes)(body);
return ast;
}
/** Extract attrs */
function extractAttributes(element, ctx) {
element.startTag = {
type: "SvelteStartTag",
attributes: [],
selfClosing: false,
parent: element,
range: [element.range[0], null],
loc: {
start: {
line: element.loc.start.line,
column: element.loc.start.column,
},
end: null,
},
};
const block = ctx.findBlock(element);
if (block) {
element.startTag.attributes.push(...(0, attr_1.convertAttributes)(block.attrs, element.startTag, ctx));
}
}
/** Convert generics attribute */
function convertGenericsAttribute(script, ctx) {
const lang = ctx.sourceCode.scripts.attrs.lang;
if (lang !== "ts" && lang !== "typescript") {
return;
}
const genericsAttribute = script.startTag.attributes.find((attr) => {
return (attr.type === "SvelteAttribute" &&
attr.key.name === "generics" &&
attr.value.length === 1 &&
attr.value[0].type === "SvelteLiteral");
});
if (!genericsAttribute) {
return;
}
const value = genericsAttribute.value[0];
const genericValueCode = ctx.code.slice(value.range[0], value.range[1]);
const scriptLet = `void function<${genericValueCode}>(){}`;
let result;
try {
result = (0, script_1.parseScriptWithoutAnalyzeScope)(scriptLet, ctx.sourceCode.scripts.attrs, Object.assign(Object.assign({}, ctx.parserOptions), {
// Without typings
project: null }));
}
catch (_a) {
// ignore
return;
}
delete genericsAttribute.boolean;
delete genericsAttribute.value;
// Remove value token indexes
(0, sort_1.sortNodes)(ctx.tokens);
const firstTokenIndex = ctx.tokens.findIndex((token) => value.range[0] <= token.range[0] && token.range[1] <= value.range[1]);
const lastTokenCount = ctx.tokens
.slice(firstTokenIndex)
.findIndex((token) => value.range[1] <= token.range[0]);
ctx.tokens.splice(firstTokenIndex, lastTokenCount >= 0 ? lastTokenCount : Infinity);
const generics = genericsAttribute;
generics.type = "SvelteGenericsDirective";
generics.params = [];
result.ast.tokens.shift(); // void
result.ast.tokens.shift(); // function
result.ast.tokens.shift(); // <
result.ast.tokens.pop(); // }
result.ast.tokens.pop(); // {
result.ast.tokens.pop(); // )
result.ast.tokens.pop(); // (
result.ast.tokens.pop(); // >
(0, fix_locations_1.fixLocations)(result.ast, result.ast.tokens, result.ast.comments, value.range[0] - 14, result.visitorKeys, ctx);
const { ast } = result;
const statement = ast.body[0];
const rawExpression = statement.expression;
const fnDecl = rawExpression.argument;
const typeParameters = fnDecl
.typeParameters;
const params = typeParameters.params;
// Replace tokens
for (const tokensKey of ["tokens", "comments"]) {
for (const token of result.ast[tokensKey]) {
if (params.every((param) => token.range[1] <= param.range[0] ||
param.range[1] <= token.range[0])) {
ctx[tokensKey].push(token);
}
}
}
for (const param of params) {
param.parent = generics;
generics.params.push(param);
ctx.scriptLet.addGenericTypeAliasDeclaration(param, (id, typeNode) => {
param.name = id;
if (param.constraint) {
param.constraint = typeNode;
}
}, (typeNode) => {
param.default = typeNode;
});
}
}
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