eslint-plugin-jsonc
Version:
ESLint plugin for JSON, JSONC and JSON5 files.
140 lines (139 loc) • 4.86 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.LINEBREAK_MATCHER = exports.LINEBREAKS = void 0;
exports.createGlobalLinebreakMatcher = createGlobalLinebreakMatcher;
exports.canTokensBeAdjacent = canTokensBeAdjacent;
exports.isSurroundedBy = isSurroundedBy;
exports.isNumericLiteral = isNumericLiteral;
exports.isTokenOnSameLine = isTokenOnSameLine;
exports.getStaticPropertyName = getStaticPropertyName;
exports.getNextLocation = getNextLocation;
const jsonc_eslint_parser_1 = require("jsonc-eslint-parser");
const espree_1 = require("espree");
exports.LINEBREAKS = new Set(["\r\n", "\r", "\n", "\u2028", "\u2029"]);
exports.LINEBREAK_MATCHER = /\r\n|[\n\r\u2028\u2029]/u;
function createGlobalLinebreakMatcher() {
return new RegExp(exports.LINEBREAK_MATCHER.source, "gu");
}
function canTokensBeAdjacent(leftValue, rightValue) {
const espreeOptions = {
comment: true,
ecmaVersion: espree_1.latestEcmaVersion,
range: true,
};
let leftToken;
if (typeof leftValue === "string") {
let tokens;
try {
tokens = (0, espree_1.tokenize)(leftValue, espreeOptions);
}
catch (_a) {
return false;
}
const comments = tokens.comments;
leftToken = tokens[tokens.length - 1];
if (comments.length) {
const lastComment = comments[comments.length - 1];
if (!leftToken || lastComment.range[0] > leftToken.range[0])
leftToken = lastComment;
}
}
else {
leftToken = leftValue;
}
if (leftToken.type === "Shebang" || leftToken.type === "Hashbang")
return false;
let rightToken;
if (typeof rightValue === "string") {
let tokens;
try {
tokens = (0, espree_1.tokenize)(rightValue, espreeOptions);
}
catch (_b) {
return false;
}
const comments = tokens.comments;
rightToken = tokens[0];
if (comments.length) {
const firstComment = comments[0];
if (!rightToken || firstComment.range[0] < rightToken.range[0])
rightToken = firstComment;
}
}
else {
rightToken = rightValue;
}
if (leftToken.type === "Punctuator" || rightToken.type === "Punctuator") {
if (leftToken.type === "Punctuator" && rightToken.type === "Punctuator") {
const PLUS_TOKENS = new Set(["+", "++"]);
const MINUS_TOKENS = new Set(["-", "--"]);
return !((PLUS_TOKENS.has(leftToken.value) &&
PLUS_TOKENS.has(rightToken.value)) ||
(MINUS_TOKENS.has(leftToken.value) &&
MINUS_TOKENS.has(rightToken.value)));
}
if (leftToken.type === "Punctuator" && leftToken.value === "/")
return !["Block", "Line", "RegularExpression"].includes(rightToken.type);
return true;
}
if (leftToken.type === "String" ||
rightToken.type === "String" ||
leftToken.type === "Template" ||
rightToken.type === "Template")
return true;
if (leftToken.type !== "Numeric" &&
rightToken.type === "Numeric" &&
rightToken.value.startsWith("."))
return true;
if (leftToken.type === "Block" ||
rightToken.type === "Block" ||
rightToken.type === "Line")
return true;
if (rightToken.type === "PrivateIdentifier")
return true;
return false;
}
function isSurroundedBy(val, character) {
return val.startsWith(character) && val.endsWith(character);
}
function isNumericLiteral(node) {
return (node.type === "JSONLiteral" &&
(typeof node.value === "number" || Boolean("bigint" in node && node.bigint)));
}
function isTokenOnSameLine(left, right) {
var _a, _b;
return ((_a = left === null || left === void 0 ? void 0 : left.loc) === null || _a === void 0 ? void 0 : _a.end.line) === ((_b = right === null || right === void 0 ? void 0 : right.loc) === null || _b === void 0 ? void 0 : _b.start.line);
}
function getStaticPropertyName(node) {
let prop;
if (node) {
switch (node.type) {
case "JSONProperty":
prop = node.key;
break;
default:
return null;
}
}
if (prop) {
if (prop.type === "JSONIdentifier")
return prop.name;
return String((0, jsonc_eslint_parser_1.getStaticJSONValue)(prop));
}
return null;
}
function getNextLocation(sourceCode, { column, line }) {
if (column < sourceCode.lines[line - 1].length) {
return {
column: column + 1,
line,
};
}
if (line < sourceCode.lines.length) {
return {
column: 0,
line: line + 1,
};
}
return null;
}