85 lines
3.3 KiB
JavaScript
85 lines
3.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const utils_1 = require("../utils");
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const regex_syntax_1 = require("../utils/regex-syntax");
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exports.default = (0, utils_1.createRule)("unicode-escape", {
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meta: {
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docs: {
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description: "enforce consistent usage of unicode escape or unicode codepoint escape",
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category: "Stylistic Issues",
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recommended: false,
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},
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fixable: "code",
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schema: [
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{
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enum: ["unicodeCodePointEscape", "unicodeEscape"],
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},
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],
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messages: {
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expectedUnicodeCodePointEscape: "Expected unicode code point escape ('{{unicodeCodePointEscape}}'), but unicode escape ('{{unicodeEscape}}') is used.",
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expectedUnicodeEscape: "Expected unicode escape ('{{unicodeEscape}}'), but unicode code point escape ('{{unicodeCodePointEscape}}') is used.",
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},
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type: "suggestion",
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},
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create(context) {
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const preferUnicodeCodePointEscape = context.options[0] !== "unicodeEscape";
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function verifyForUnicodeCodePointEscape({ node, getRegexpLocation, fixReplaceNode }, kind, cNode) {
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if (kind !== regex_syntax_1.EscapeSequenceKind.unicode) {
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return;
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}
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const unicodeCodePointEscape = `\\u{${cNode.value.toString(16)}}`;
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context.report({
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node,
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loc: getRegexpLocation(cNode),
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messageId: "expectedUnicodeCodePointEscape",
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data: {
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unicodeCodePointEscape,
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unicodeEscape: cNode.raw,
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},
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fix: fixReplaceNode(cNode, unicodeCodePointEscape),
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});
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}
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function verifyForUnicodeEscape({ node, getRegexpLocation, fixReplaceNode }, kind, cNode) {
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if (kind !== regex_syntax_1.EscapeSequenceKind.unicodeCodePoint) {
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return;
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}
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const unicodeEscape = `\\u${cNode.value
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.toString(16)
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.padStart(4, "0")}`;
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context.report({
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node,
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loc: getRegexpLocation(cNode),
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messageId: "expectedUnicodeEscape",
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data: {
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unicodeEscape,
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unicodeCodePointEscape: cNode.raw,
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},
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fix: fixReplaceNode(cNode, unicodeEscape),
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});
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}
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const verify = preferUnicodeCodePointEscape
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? verifyForUnicodeCodePointEscape
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: verifyForUnicodeEscape;
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function createVisitor(regexpContext) {
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const { flags } = regexpContext;
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if (!flags.unicode && !flags.unicodeSets) {
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return {};
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}
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return {
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onCharacterEnter(cNode) {
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if (cNode.value >= 0x10000) {
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return;
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}
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const kind = (0, regex_syntax_1.getEscapeSequenceKind)(cNode.raw);
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if (!kind) {
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return;
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}
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verify(regexpContext, kind, cNode);
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},
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};
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}
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return (0, utils_1.defineRegexpVisitor)(context, {
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createVisitor,
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});
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},
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});
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