eslint-plugin-regexp
Version:
ESLint plugin for finding RegExp mistakes and RegExp style guide violations.
85 lines (84 loc) • 3.12 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("../utils");
const refa_1 = require("../utils/refa");
exports.default = (0, utils_1.createRule)("no-invisible-character", {
meta: {
docs: {
description: "disallow invisible raw character",
category: "Best Practices",
recommended: true,
},
fixable: "code",
schema: [],
messages: {
unexpected: "Unexpected invisible character. Use '{{instead}}' instead.",
},
type: "suggestion",
},
create(context) {
const sourceCode = context.sourceCode;
function createLiteralVisitor({ node, flags, getRegexpLocation, fixReplaceNode, }) {
return {
onCharacterEnter(cNode) {
if (cNode.raw === " ") {
return;
}
if (cNode.raw.length === 1 && (0, utils_1.isInvisible)(cNode.value)) {
const instead = (0, refa_1.toCharSetSource)(cNode.value, flags);
context.report({
node,
loc: getRegexpLocation(cNode),
messageId: "unexpected",
data: {
instead,
},
fix: fixReplaceNode(cNode, instead),
});
}
},
};
}
function verifyString({ node, flags }) {
const text = sourceCode.getText(node);
let index = 0;
for (const c of text) {
if (c === " ") {
continue;
}
const cp = c.codePointAt(0);
if ((0, utils_1.isInvisible)(cp)) {
const instead = (0, refa_1.toCharSetSource)(cp, flags);
const range = [
node.range[0] + index,
node.range[0] + index + c.length,
];
context.report({
node,
loc: {
start: sourceCode.getLocFromIndex(range[0]),
end: sourceCode.getLocFromIndex(range[1]),
},
messageId: "unexpected",
data: {
instead,
},
fix(fixer) {
return fixer.replaceTextRange(range, instead);
},
});
}
index += c.length;
}
}
return (0, utils_1.defineRegexpVisitor)(context, {
createLiteralVisitor,
createSourceVisitor(regexpContext) {
if (regexpContext.node.type === "Literal") {
verifyString(regexpContext);
}
return {};
},
});
},
});