eslint-plugin-regexp
Version:
ESLint plugin for finding RegExp mistakes and RegExp style guide violations.
83 lines (82 loc) • 2.84 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.inRange = exports.getAllowedCharValueSchema = exports.getAllowedCharRanges = void 0;
const unicode_1 = require("./unicode");
const ALL_RANGES = [{ min: 0, max: 0x10ffff }];
const ALPHANUMERIC_RANGES = [
{ min: unicode_1.CP_DIGIT_ZERO, max: unicode_1.CP_DIGIT_NINE },
{ min: unicode_1.CP_CAPITAL_A, max: unicode_1.CP_CAPITAL_Z },
{ min: unicode_1.CP_SMALL_A, max: unicode_1.CP_SMALL_Z },
];
function getAllowedCharRanges(allowedByRuleOption, context) {
var _a;
let target = allowedByRuleOption || ((_a = context.settings.regexp) === null || _a === void 0 ? void 0 : _a.allowedCharacterRanges);
if (!target) {
return ALPHANUMERIC_RANGES;
}
if (typeof target === "string") {
target = [target];
}
const allowed = [];
for (const range of target) {
if (range === "all") {
return ALL_RANGES;
}
else if (range === "alphanumeric") {
if (target.length === 1) {
return ALPHANUMERIC_RANGES;
}
allowed.push(...ALPHANUMERIC_RANGES);
}
else {
const chars = [...range];
if (chars.length !== 3 || chars[1] !== "-") {
throw new Error(`Invalid format: The range ${JSON.stringify(range)} is not of the form \`<char>-<char>\`.`);
}
const min = chars[0].codePointAt(0);
const max = chars[2].codePointAt(0);
allowed.push({ min, max });
}
}
return allowed;
}
exports.getAllowedCharRanges = getAllowedCharRanges;
function getAllowedCharValueSchema() {
return {
anyOf: [
{ enum: ["all", "alphanumeric"] },
{
type: "array",
items: [{ enum: ["all", "alphanumeric"] }],
minItems: 1,
additionalItems: false,
},
{
type: "array",
items: {
anyOf: [
{ const: "alphanumeric" },
{
type: "string",
pattern: /^(?:[\ud800-\udbff][\udc00-\udfff]|[^\ud800-\udfff])-(?:[\ud800-\udbff][\udc00-\udfff]|[^\ud800-\udfff])$/
.source,
},
],
},
uniqueItems: true,
minItems: 1,
additionalItems: false,
},
],
};
}
exports.getAllowedCharValueSchema = getAllowedCharValueSchema;
function inRange(ranges, min, max = min) {
for (const range of ranges) {
if (range.min <= min && max <= range.max) {
return true;
}
}
return false;
}
exports.inRange = inRange;