"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.generateElementEvents = generateElementEvents;
exports.generateEventArg = generateEventArg;
exports.generateEventExpression = generateEventExpression;
exports.generateModelEventExpression = generateModelEventExpression;
exports.isCompoundExpression = isCompoundExpression;
const CompilerDOM = __importStar(require("@vue/compiler-dom"));
const shared_1 = require("@vue/shared");
const utils_1 = require("../../parsers/utils");
const codeFeatures_1 = require("../codeFeatures");
const names_1 = require("../names");
const utils_2 = require("../utils");
const boundary_1 = require("../utils/boundary");
const camelized_1 = require("../utils/camelized");
const interpolation_1 = require("./interpolation");
function* generateElementEvents(options, ctx, node, componentOriginalVar, getCtxVar, getPropsVar) {
    const definitions = {};
    for (const prop of node.props) {
        if (prop.type === CompilerDOM.NodeTypes.DIRECTIVE
            && (prop.name === 'on'
                && (prop.arg?.type === CompilerDOM.NodeTypes.SIMPLE_EXPRESSION && prop.arg.isStatic)
                || options.vueCompilerOptions.strictVModel
                    && prop.name === 'model'
                    && (!prop.arg || prop.arg.type === CompilerDOM.NodeTypes.SIMPLE_EXPRESSION && prop.arg.isStatic))) {
            let source = prop.arg?.loc.source ?? 'model-value';
            let offset = prop.arg?.loc.start.offset;
            let propPrefix = 'on-';
            let emitPrefix = '';
            if (prop.name === 'model') {
                propPrefix = 'onUpdate:';
                emitPrefix = 'update:';
            }
            else if (source.startsWith('vue:')) {
                source = source.slice('vue:'.length);
                offset = offset + 'vue:'.length;
                propPrefix = 'onVnode-';
                emitPrefix = 'vnode-';
            }
            const propName = (0, shared_1.camelize)(propPrefix + source);
            const emitName = emitPrefix + source;
            const key = [
                prop.name,
                propName,
                ...prop.modifiers.map(modifier => modifier.content),
            ].join('+');
            definitions[key] ??= {
                propPrefix,
                emitPrefix,
                propName,
                emitName,
                items: [],
            };
            definitions[key].items.push({
                prop,
                source,
                offset,
            });
        }
    }
    if (!Object.keys(definitions).length) {
        return;
    }
    const emitsVar = ctx.getInternalVariable();
    yield `let ${emitsVar}!: ${names_1.names.ResolveEmits}<typeof ${componentOriginalVar}, typeof ${getCtxVar()}.emit>${utils_2.endOfLine}`;
    for (const { propPrefix, emitPrefix, propName, emitName, items } of Object.values(definitions)) {
        yield `const ${ctx.getInternalVariable()}: ${names_1.names.ResolveEvent}<typeof ${getPropsVar()}, typeof ${emitsVar}, '${propName}', '${emitName}', '${(0, shared_1.camelize)(emitName)}'> = {${utils_2.newLine}`;
        for (const { prop, source, offset } of items) {
            if (prop.name === 'on') {
                yield `/** @type {typeof ${emitsVar}.`;
                yield* generateEventArg(options, source, offset, emitPrefix.slice(0, -1), codeFeatures_1.codeFeatures.navigation);
                yield `} */${utils_2.newLine}`;
            }
            if (prop.name === 'on') {
                yield* generateEventArg(options, source, offset, propPrefix.slice(0, -1));
                yield `: `;
                yield* generateEventExpression(options, ctx, prop);
            }
            else {
                yield `'${propName}': `;
                yield* generateModelEventExpression(options, ctx, prop);
            }
            yield `,${utils_2.newLine}`;
        }
        yield `}${utils_2.endOfLine}`;
    }
}
function* generateEventArg(options, name, start, directive = 'on', features) {
    features ??= {
        ...codeFeatures_1.codeFeatures.semanticWithoutHighlight,
        ...codeFeatures_1.codeFeatures.navigationWithoutRename,
        ...options.vueCompilerOptions.checkUnknownEvents
            ? codeFeatures_1.codeFeatures.verification
            : codeFeatures_1.codeFeatures.doNotReportTs2353AndTs2561,
    };
    if (directive.length) {
        name = (0, shared_1.capitalize)(name);
    }
    if (utils_2.identifierRE.test((0, shared_1.camelize)(name))) {
        const boundary = yield* boundary_1.Boundary.start('template', start, features);
        yield directive;
        yield* (0, camelized_1.generateCamelized)(name, 'template', start, boundary.features);
    }
    else {
        const boundary = yield* boundary_1.Boundary.start('template', start, features);
        yield `'`;
        yield directive;
        yield* (0, camelized_1.generateCamelized)(name, 'template', start, boundary.features);
        yield `'`;
        yield boundary.end(start + name.length);
    }
}
function* generateEventExpression(options, ctx, prop) {
    if (prop.exp?.type === CompilerDOM.NodeTypes.SIMPLE_EXPRESSION) {
        const ast = (0, utils_2.getTypeScriptAST)(options.typescript, options.template, prop.exp.content);
        const isCompound = isCompoundExpression(options.typescript, ast);
        const interpolation = (0, interpolation_1.generateInterpolation)(options, ctx, options.template, codeFeatures_1.codeFeatures.all, prop.exp.content, prop.exp.loc.start.offset, isCompound ? `` : `(`, isCompound ? `` : `)`);
        if (isCompound) {
            yield `(...[$event]) => {${utils_2.newLine}`;
            const scope = ctx.scope();
            scope.declare('$event');
            yield* ctx.generateConditionGuards();
            if (isSingleExpression(options.typescript, ast)) {
                yield `return (`;
                yield* interpolation;
                yield `)`;
            }
            else {
                yield* interpolation;
            }
            yield utils_2.endOfLine;
            yield* scope.end();
            yield `}`;
            ctx.inlayHints.push({
                blockName: 'template',
                offset: prop.exp.loc.start.offset,
                setting: 'vue.inlayHints.inlineHandlerLeading',
                label: '$event =>',
                paddingRight: true,
                tooltip: [
                    '`$event` is a hidden parameter, you can use it in this callback.',
                    'To hide this hint, set `vue.inlayHints.inlineHandlerLeading` to `false` in IDE settings.',
                    '[More info](https://github.com/vuejs/language-tools/issues/2445#issuecomment-1444771420)',
                ].join('\n\n'),
            });
        }
        else {
            yield* interpolation;
        }
    }
    else {
        yield `() => {}`;
    }
}
function* generateModelEventExpression(options, ctx, prop) {
    if (prop.exp?.type === CompilerDOM.NodeTypes.SIMPLE_EXPRESSION) {
        yield `(...[$event]) => {${utils_2.newLine}`;
        yield* ctx.generateConditionGuards();
        yield* (0, interpolation_1.generateInterpolation)(options, ctx, options.template, codeFeatures_1.codeFeatures.verification, prop.exp.content, prop.exp.loc.start.offset);
        yield ` = $event${utils_2.endOfLine}`;
        yield `}`;
    }
    else {
        yield `() => {}`;
    }
}
function isCompoundExpression(ts, ast) {
    if (ast.statements.length === 0) {
        return false;
    }
    if (ast.statements.length === 1 && ast.text[ast.endOfFileToken.pos - 1] !== ';') {
        const statement = ast.statements[0];
        if (ts.isExpressionStatement(statement)) {
            const node = (0, utils_1.getUnwrappedExpression)(ts, statement.expression);
            if (ts.isArrowFunction(node)
                || ts.isIdentifier(node)
                || ts.isElementAccessExpression(node)
                || ts.isPropertyAccessExpression(node)) {
                return false;
            }
        }
        else if (ts.isFunctionDeclaration(statement)) {
            return false;
        }
    }
    return true;
}
function isSingleExpression(ts, ast) {
    if (ast.statements.length === 1 && ast.text[ast.endOfFileToken.pos - 1] !== ';') {
        const statement = ast.statements[0];
        if (ts.isExpressionStatement(statement)) {
            return true;
        }
    }
    return false;
}
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