74 lines
2.1 KiB
Plaintext
74 lines
2.1 KiB
Plaintext
'use strict';
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var utils = require('../utils.js');
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require('eslint-visitor-keys');
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require('espree');
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require('estraverse');
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var templateTagSpacing = utils.createRule({
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name: "template-tag-spacing",
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package: "js",
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meta: {
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type: "layout",
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docs: {
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description: "Require or disallow spacing between template tags and their literals"
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},
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fixable: "whitespace",
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schema: [
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{
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type: "string",
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enum: ["always", "never"]
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}
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],
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messages: {
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unexpected: "Unexpected space between template tag and template literal.",
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missing: "Missing space between template tag and template literal."
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}
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},
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create(context) {
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const never = context.options[0] !== "always";
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const sourceCode = context.sourceCode;
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function checkSpacing(node) {
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const tagToken = sourceCode.getTokenBefore(node.quasi);
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const literalToken = sourceCode.getFirstToken(node.quasi);
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const hasWhitespace = sourceCode.isSpaceBetweenTokens(tagToken, literalToken);
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if (never && hasWhitespace) {
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context.report({
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node,
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loc: {
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start: tagToken.loc.end,
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end: literalToken.loc.start
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},
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messageId: "unexpected",
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fix(fixer) {
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const comments = sourceCode.getCommentsBefore(node.quasi);
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if (comments.some((comment) => comment.type === "Line"))
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return null;
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return fixer.replaceTextRange(
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[tagToken.range[1], literalToken.range[0]],
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comments.reduce((text, comment) => text + sourceCode.getText(comment), "")
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);
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}
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});
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} else if (!never && !hasWhitespace) {
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context.report({
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node,
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loc: {
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start: node.loc.start,
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end: literalToken.loc.start
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},
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messageId: "missing",
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fix(fixer) {
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return fixer.insertTextAfter(tagToken, " ");
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}
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});
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}
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}
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return {
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TaggedTemplateExpression: checkSpacing
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};
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}
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});
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module.exports = templateTagSpacing;
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