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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const eslint_utils_1 = require("@eslint-community/eslint-utils");
const utils_1 = require("../utils");
const ast_utils_1 = require("../utils/ast-utils");
const compat_1 = require("../utils/compat");
const VALUE_SCHEMA = { enum: ['never', 'always'] };
/**
* Normalize options.
*/
function parseOptions(options) {
return {
textExpressions: options?.textExpressions || 'never',
attributesAndProps: options?.attributesAndProps || 'never',
directiveExpressions: options?.directiveExpressions || 'never',
tags: {
openingBrace: options?.tags?.openingBrace || 'never',
closingBrace: options?.tags?.closingBrace || 'never'
}
};
}
exports.default = (0, utils_1.createRule)('mustache-spacing', {
meta: {
docs: {
description: 'enforce unified spacing in mustache',
category: 'Stylistic Issues',
recommended: false,
conflictWithPrettier: true
},
fixable: 'code',
schema: [
{
type: 'object',
properties: {
textExpressions: VALUE_SCHEMA,
attributesAndProps: VALUE_SCHEMA,
directiveExpressions: VALUE_SCHEMA,
tags: {
type: 'object',
properties: {
openingBrace: VALUE_SCHEMA,
closingBrace: {
enum: ['never', 'always', 'always-after-expression']
}
},
additionalProperties: false
}
},
additionalProperties: false
}
],
messages: {
expectedOpening: "Expected 1 space after '{', but not found.",
expectedClosing: "Expected 1 space before '}', but not found.",
unexpectedOpening: "Expected no space after '{', but found.",
unexpectedClosing: "Expected no space before '}', but found."
},
type: 'layout'
},
create(context) {
const options = parseOptions(context.options[0]);
const sourceCode = (0, compat_1.getSourceCode)(context);
/** Verify */
function verifyBraces(openingBrace, closingBrace, openingOption, closingOption, hasExpression) {
const firstToken = sourceCode.getTokenAfter(openingBrace, {
includeComments: true
});
if (openingOption === 'always') {
if (openingBrace.range[1] === firstToken.range[0]) {
context.report({
node: openingBrace,
messageId: 'expectedOpening',
fix: (fixer) => fixer.insertTextAfter(openingBrace, ' ')
});
}
}
else if (openingBrace.range[1] !== firstToken.range[0]) {
context.report({
loc: {
start: openingBrace.loc.start,
end: firstToken.loc.start
},
messageId: 'unexpectedOpening',
fix: (fixer) => fixer.removeRange([openingBrace.range[1], firstToken.range[0]])
});
}
if (!closingBrace) {
return;
}
const lastToken = sourceCode.getTokenBefore(closingBrace, {
includeComments: true
});
if (closingOption === 'always' ||
(closingOption === 'always-after-expression' && hasExpression)) {
if (closingBrace.range[0] === lastToken.range[1]) {
context.report({
node: closingBrace,
messageId: 'expectedClosing',
fix: (fixer) => fixer.insertTextBefore(closingBrace, ' ')
});
}
}
else if (closingBrace.range[0] !== lastToken.range[1]) {
context.report({
loc: {
start: lastToken.loc.end,
end: closingBrace.loc.end
},
messageId: 'unexpectedClosing',
fix: (fixer) => fixer.removeRange([lastToken.range[1], closingBrace.range[0]])
});
}
}
/** Verify for {expr} */
function verifyExpression(node, option) {
const mustacheTokens = (0, ast_utils_1.getMustacheTokens)(node, sourceCode);
if (!mustacheTokens) {
return;
}
verifyBraces(mustacheTokens.openToken, mustacheTokens.closeToken, option, option);
}
return {
SvelteMustacheTag(node) {
if (node.kind === 'raw') {
const mustacheTokens = (0, ast_utils_1.getMustacheTokens)(node, sourceCode);
verifyBraces(mustacheTokens.openToken, mustacheTokens.closeToken, options.tags.openingBrace, options.tags.closingBrace, true);
return;
}
let option;
if (node.parent.type === 'SvelteAttribute') {
option = options.attributesAndProps;
}
else if (node.parent.type === 'SvelteStyleDirective') {
option = options.directiveExpressions;
}
else {
option = options.textExpressions;
}
verifyExpression(node, option);
},
SvelteShorthandAttribute(node) {
verifyExpression(node, options.attributesAndProps);
},
SvelteSpreadAttribute(node) {
verifyExpression(node, options.attributesAndProps);
},
SvelteDirective(node) {
verifyExpression(node, options.directiveExpressions);
},
SvelteSpecialDirective(node) {
verifyExpression(node, options.directiveExpressions);
},
SvelteDebugTag(node) {
const mustacheTokens = (0, ast_utils_1.getMustacheTokens)(node, sourceCode);
verifyBraces(mustacheTokens.openToken, mustacheTokens.closeToken, options.tags.openingBrace, options.tags.closingBrace, true);
},
SvelteRenderTag(node) {
const mustacheTokens = (0, ast_utils_1.getMustacheTokens)(node, sourceCode);
verifyBraces(mustacheTokens.openToken, mustacheTokens.closeToken, options.tags.openingBrace, options.tags.closingBrace, true);
},
SvelteIfBlock(node) {
const openBlockOpeningToken = sourceCode.getFirstToken(node);
const openBlockClosingToken = sourceCode.getTokenAfter(node.expression, {
includeComments: false,
filter: eslint_utils_1.isClosingBraceToken
});
verifyBraces(openBlockOpeningToken, openBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, true);
if (node.elseif) {
return;
}
const closeBlockClosingToken = sourceCode.getLastToken(node);
const closeBlockOpeningToken = sourceCode.getTokenBefore(closeBlockClosingToken, {
includeComments: false,
filter: eslint_utils_1.isOpeningBraceToken
});
verifyBraces(closeBlockOpeningToken, closeBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, false);
},
SvelteElseBlock(node) {
if (node.elseif) {
return;
}
const openToken = sourceCode.getFirstToken(node);
const closeToken = sourceCode.getTokenAfter(openToken, {
includeComments: false,
filter: eslint_utils_1.isClosingBraceToken
});
verifyBraces(openToken, closeToken, options.tags.openingBrace, options.tags.closingBrace, false);
},
SvelteEachBlock(node) {
const openBlockOpeningToken = sourceCode.getFirstToken(node);
const openBlockClosingToken = sourceCode.getTokenAfter(node.key || node.index || node.context, {
includeComments: false,
filter: eslint_utils_1.isClosingBraceToken
});
verifyBraces(openBlockOpeningToken, openBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, true);
const closeBlockClosingToken = sourceCode.getLastToken(node);
const closeBlockOpeningToken = sourceCode.getTokenBefore(closeBlockClosingToken, {
includeComments: false,
filter: eslint_utils_1.isOpeningBraceToken
});
verifyBraces(closeBlockOpeningToken, closeBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, false);
},
SvelteKeyBlock(node) {
const openBlockOpeningToken = sourceCode.getFirstToken(node);
const openBlockClosingToken = sourceCode.getTokenAfter(node.expression, {
includeComments: false,
filter: eslint_utils_1.isClosingBraceToken
});
verifyBraces(openBlockOpeningToken, openBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, true);
const closeBlockClosingToken = sourceCode.getLastToken(node);
const closeBlockOpeningToken = sourceCode.getTokenBefore(closeBlockClosingToken, {
includeComments: false,
filter: eslint_utils_1.isOpeningBraceToken
});
verifyBraces(closeBlockOpeningToken, closeBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, false);
},
SvelteAwaitBlock(node) {
const closeBlockClosingToken = sourceCode.getLastToken(node);
const closeBlockOpeningToken = sourceCode.getTokenBefore(closeBlockClosingToken, {
includeComments: false,
filter: eslint_utils_1.isOpeningBraceToken
});
verifyBraces(closeBlockOpeningToken, closeBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, false);
},
SvelteAwaitPendingBlock(node) {
const openBlockOpeningToken = sourceCode.getFirstToken(node);
const openBlockClosingToken = sourceCode.getTokenAfter(node.parent.expression, {
includeComments: false,
filter: eslint_utils_1.isClosingBraceToken
});
verifyBraces(openBlockOpeningToken, openBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, true);
},
SvelteAwaitThenBlock(node) {
const openBlockOpeningToken = sourceCode.getFirstToken(node);
const openBlockLast = node.value || (node.awaitThen ? node.parent.expression : null);
const openBlockClosingToken = openBlockLast
? sourceCode.getTokenAfter(openBlockLast, {
includeComments: false,
filter: eslint_utils_1.isClosingBraceToken
})
: null;
verifyBraces(openBlockOpeningToken, openBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, Boolean(openBlockClosingToken &&
openBlockLast &&
openBlockClosingToken === sourceCode.getTokenAfter(openBlockLast)));
},
SvelteAwaitCatchBlock(node) {
const openBlockOpeningToken = sourceCode.getFirstToken(node);
const openBlockLast = node.error || (node.awaitCatch ? node.parent.expression : null);
const openBlockClosingToken = openBlockLast
? sourceCode.getTokenAfter(openBlockLast, {
includeComments: false,
filter: eslint_utils_1.isClosingBraceToken
})
: null;
verifyBraces(openBlockOpeningToken, openBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, Boolean(openBlockClosingToken &&
openBlockLast &&
openBlockClosingToken === sourceCode.getTokenAfter(openBlockLast)));
},
SvelteSnippetBlock(node) {
const openBlockOpeningToken = sourceCode.getFirstToken(node);
const openBlockClosingToken = sourceCode.getTokenAfter(node.params[node.params.length - 1] || node.id, {
includeComments: false,
filter: eslint_utils_1.isClosingBraceToken
});
verifyBraces(openBlockOpeningToken, openBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, true);
const closeBlockClosingToken = sourceCode.getLastToken(node);
const closeBlockOpeningToken = sourceCode.getTokenBefore(closeBlockClosingToken, {
includeComments: false,
filter: eslint_utils_1.isOpeningBraceToken
});
verifyBraces(closeBlockOpeningToken, closeBlockClosingToken, options.tags.openingBrace, options.tags.closingBrace, false);
}
};
}
});
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