mirror of https://github.com/coder/code-server.git
112 lines
5.6 KiB
JavaScript
112 lines
5.6 KiB
JavaScript
"use strict";
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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var _a;
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const experimental_utils_1 = require("@typescript-eslint/experimental-utils");
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function isStringLiteral(node) {
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return !!node && node.type === experimental_utils_1.AST_NODE_TYPES.Literal && typeof node.value === 'string';
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}
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function isDoubleQuoted(node) {
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return node.raw[0] === '"' && node.raw[node.raw.length - 1] === '"';
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}
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module.exports = new (_a = class NoUnexternalizedStrings {
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constructor() {
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this.meta = {
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messages: {
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doubleQuoted: 'Only use double-quoted strings for externalized strings.',
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badKey: 'The key \'{{key}}\' doesn\'t conform to a valid localize identifier.',
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duplicateKey: 'Duplicate key \'{{key}}\' with different message value.',
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badMessage: 'Message argument to \'{{message}}\' must be a string literal.'
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}
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};
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}
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create(context) {
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const externalizedStringLiterals = new Map();
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const doubleQuotedStringLiterals = new Set();
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function collectDoubleQuotedStrings(node) {
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if (isStringLiteral(node) && isDoubleQuoted(node)) {
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doubleQuotedStringLiterals.add(node);
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}
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}
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function visitLocalizeCall(node) {
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// localize(key, message)
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const [keyNode, messageNode] = node.arguments;
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// (1)
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// extract key so that it can be checked later
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let key;
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if (isStringLiteral(keyNode)) {
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doubleQuotedStringLiterals.delete(keyNode);
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key = keyNode.value;
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}
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else if (keyNode.type === experimental_utils_1.AST_NODE_TYPES.ObjectExpression) {
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for (let property of keyNode.properties) {
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if (property.type === experimental_utils_1.AST_NODE_TYPES.Property && !property.computed) {
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if (property.key.type === experimental_utils_1.AST_NODE_TYPES.Identifier && property.key.name === 'key') {
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if (isStringLiteral(property.value)) {
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doubleQuotedStringLiterals.delete(property.value);
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key = property.value.value;
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break;
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}
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}
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}
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}
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}
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if (typeof key === 'string') {
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let array = externalizedStringLiterals.get(key);
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if (!array) {
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array = [];
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externalizedStringLiterals.set(key, array);
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}
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array.push({ call: node, message: messageNode });
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}
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// (2)
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// remove message-argument from doubleQuoted list and make
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// sure it is a string-literal
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doubleQuotedStringLiterals.delete(messageNode);
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if (!isStringLiteral(messageNode)) {
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context.report({
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loc: messageNode.loc,
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messageId: 'badMessage',
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data: { message: context.getSourceCode().getText(node) }
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});
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}
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}
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function reportBadStringsAndBadKeys() {
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// (1)
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// report all strings that are in double quotes
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for (const node of doubleQuotedStringLiterals) {
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context.report({ loc: node.loc, messageId: 'doubleQuoted' });
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}
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for (const [key, values] of externalizedStringLiterals) {
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// (2)
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// report all invalid NLS keys
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if (!key.match(NoUnexternalizedStrings._rNlsKeys)) {
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for (let value of values) {
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context.report({ loc: value.call.loc, messageId: 'badKey', data: { key } });
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}
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}
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// (2)
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// report all invalid duplicates (same key, different message)
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if (values.length > 1) {
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for (let i = 1; i < values.length; i++) {
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if (context.getSourceCode().getText(values[i - 1].message) !== context.getSourceCode().getText(values[i].message)) {
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context.report({ loc: values[i].call.loc, messageId: 'duplicateKey', data: { key } });
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}
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}
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}
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}
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}
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return {
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['Literal']: (node) => collectDoubleQuotedStrings(node),
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['ExpressionStatement[directive] Literal:exit']: (node) => doubleQuotedStringLiterals.delete(node),
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['CallExpression[callee.type="MemberExpression"][callee.object.name="nls"][callee.property.name="localize"]:exit']: (node) => visitLocalizeCall(node),
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['CallExpression[callee.name="localize"][arguments.length>=2]:exit']: (node) => visitLocalizeCall(node),
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['Program:exit']: reportBadStringsAndBadKeys,
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};
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}
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},
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_a._rNlsKeys = /^[_a-zA-Z0-9][ .\-_a-zA-Z0-9]*$/,
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_a);
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