97 lines
3.4 KiB
JavaScript
97 lines
3.4 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 ast_utils_1 = require("../utils/ast-utils");
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const type_tracker_1 = require("../utils/type-tracker");
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function parseOption(userOption) {
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let strictTypes = true;
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if (userOption) {
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if (userOption.strictTypes != null) {
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strictTypes = userOption.strictTypes;
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}
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}
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return {
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strictTypes,
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};
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}
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exports.default = (0, utils_1.createRule)("no-missing-g-flag", {
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meta: {
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docs: {
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description: "disallow missing `g` flag in patterns used in `String#matchAll` and `String#replaceAll`",
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category: "Possible Errors",
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recommended: true,
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},
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fixable: "code",
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schema: [
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{
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type: "object",
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properties: {
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strictTypes: { type: "boolean" },
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},
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additionalProperties: false,
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},
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],
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messages: {
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missingGlobalFlag: "The pattern given to the argument of `String#{{method}}()` requires the `g` flag, but is missing it.",
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},
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type: "problem",
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},
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create(context) {
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const { strictTypes } = parseOption(context.options[0]);
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const typeTracer = (0, type_tracker_1.createTypeTracker)(context);
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function visit(regexpContext) {
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const { regexpNode, flags, flagsString } = regexpContext;
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if (flags.global ||
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flagsString == null) {
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return;
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}
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for (const ref of (0, ast_utils_1.extractExpressionReferences)(regexpNode, context)) {
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verifyExpressionReference(ref, regexpContext);
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}
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}
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function verifyExpressionReference(ref, { regexpNode, fixReplaceFlags, flagsString, }) {
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if (ref.type !== "argument") {
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return;
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}
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const node = ref.callExpression;
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if (node.arguments[0] !== ref.node ||
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!(0, ast_utils_1.isKnownMethodCall)(node, {
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matchAll: 1,
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replaceAll: 2,
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})) {
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return;
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}
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if (strictTypes
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? !typeTracer.isString(node.callee.object)
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: !typeTracer.maybeString(node.callee.object)) {
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return;
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}
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context.report({
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node: ref.node,
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messageId: "missingGlobalFlag",
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data: {
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method: node.callee.property.name,
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},
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fix: buildFixer(),
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});
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function buildFixer() {
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if (node.arguments[0] !== regexpNode ||
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((regexpNode.type === "NewExpression" ||
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regexpNode.type === "CallExpression") &&
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regexpNode.arguments[1] &&
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regexpNode.arguments[1].type !== "Literal")) {
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return null;
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}
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return fixReplaceFlags(`${flagsString}g`, false);
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}
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}
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return (0, utils_1.defineRegexpVisitor)(context, {
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createVisitor(regexpContext) {
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visit(regexpContext);
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return {};
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},
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visitInvalid: visit,
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visitUnknown: visit,
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});
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},
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});
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