mirror of https://gitee.com/bigwinds/arangodb
150 lines
3.5 KiB
JavaScript
150 lines
3.5 KiB
JavaScript
"use strict";
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exports.register = function (linter) {
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// Check for properties named __proto__. This special property was
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// deprecated and then re-introduced for ES6.
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linter.on("Identifier", function style_scanProto(data) {
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if (linter.getOption("proto")) {
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return;
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}
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if (data.name === "__proto__") {
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linter.warn("W103", {
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line: data.line,
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char: data.char,
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data: [ data.name ]
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});
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}
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});
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// Check for properties named __iterator__. This is a special property
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// available only in browsers with JavaScript 1.7 implementation.
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linter.on("Identifier", function style_scanIterator(data) {
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if (linter.getOption("iterator")) {
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return;
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}
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if (data.name === "__iterator__") {
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linter.warn("W104", {
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line: data.line,
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char: data.char,
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data: [ data.name ]
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});
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}
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});
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// Check that all identifiers are using camelCase notation.
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// Exceptions: names like MY_VAR and _myVar.
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linter.on("Identifier", function style_scanCamelCase(data) {
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if (!linter.getOption("camelcase")) {
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return;
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}
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if (data.name.replace(/^_+|_+$/g, "").indexOf("_") > -1 && !data.name.match(/^[A-Z0-9_]*$/)) {
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linter.warn("W106", {
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line: data.line,
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char: data.from,
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data: [ data.name ]
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});
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}
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});
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// Enforce consistency in style of quoting.
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linter.on("String", function style_scanQuotes(data) {
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var quotmark = linter.getOption("quotmark");
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var esnext = linter.getOption("esnext");
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var code;
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if (!quotmark) {
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return;
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}
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// If quotmark is enabled, return if this is a template literal.
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if (esnext && data.quote === "`") {
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return;
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}
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// If quotmark is set to 'single' warn about all double-quotes.
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if (quotmark === "single" && data.quote !== "'") {
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code = "W109";
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}
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// If quotmark is set to 'double' warn about all single-quotes.
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if (quotmark === "double" && data.quote !== "\"") {
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code = "W108";
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}
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// If quotmark is set to true, remember the first quotation style
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// and then warn about all others.
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if (quotmark === true) {
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if (!linter.getCache("quotmark")) {
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linter.setCache("quotmark", data.quote);
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}
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if (linter.getCache("quotmark") !== data.quote) {
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code = "W110";
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}
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}
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if (code) {
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linter.warn(code, {
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line: data.line,
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char: data.char,
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});
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}
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});
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linter.on("Number", function style_scanNumbers(data) {
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if (data.value.charAt(0) === ".") {
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// Warn about a leading decimal point.
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linter.warn("W008", {
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line: data.line,
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char: data.char,
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data: [ data.value ]
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});
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}
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if (data.value.substr(data.value.length - 1) === ".") {
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// Warn about a trailing decimal point.
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linter.warn("W047", {
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line: data.line,
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char: data.char,
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data: [ data.value ]
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});
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}
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if (/^00+/.test(data.value)) {
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// Multiple leading zeroes.
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linter.warn("W046", {
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line: data.line,
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char: data.char,
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data: [ data.value ]
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});
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}
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});
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// Warn about script URLs.
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linter.on("String", function style_scanJavaScriptURLs(data) {
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var re = /^(?:javascript|jscript|ecmascript|vbscript|livescript)\s*:/i;
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if (linter.getOption("scripturl")) {
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return;
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}
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if (re.test(data.value)) {
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linter.warn("W107", {
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line: data.line,
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char: data.char
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});
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}
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});
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};
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