wehub-resource-sync
101 lines
2.4 KiB
JavaScript
101 lines
2.4 KiB
JavaScript
/**
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* @license
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* Copyright 2025 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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const currentYear = new Date().getFullYear();
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const licenseHeader = `
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/**
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* @license
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* Copyright ${currentYear} Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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`;
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export default {
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name: 'check-license',
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meta: {
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type: 'layout',
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docs: {
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description: 'Validate existence of license header',
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},
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fixable: 'code',
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schema: [],
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messages: {
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licenseRule: 'Add license header.',
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emptyLine: 'Add empty line after license header.',
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},
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},
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defaultOptions: [],
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create(context) {
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const sourceCode = context.getSourceCode();
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const comments = sourceCode.getAllComments();
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let insertAfter = [0, 0];
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let header = null;
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// Check only the first 2 comments
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for (let index = 0; index < 2; index++) {
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const comment = comments[index];
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if (!comment) {
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break;
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}
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// Shebang comments should be at the top
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if (
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comment.type === 'Shebang' ||
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(comment.type === 'Line' && comment.value.startsWith('#!'))
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) {
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insertAfter = comment.range;
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continue;
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}
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if (comment.type === 'Block') {
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header = comment;
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break;
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}
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}
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return {
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Program(node) {
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if (context.getFilename().endsWith('.json')) {
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return;
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}
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if (
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header &&
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(header.value.includes('@license') ||
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header.value.includes('License') ||
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header.value.includes('Copyright'))
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) {
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const nextToken = sourceCode.getTokenAfter(header, {
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includeComments: true,
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});
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if (
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nextToken &&
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nextToken.loc.start.line === header.loc.end.line + 1
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) {
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context.report({
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node: node,
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loc: header.loc,
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messageId: 'emptyLine',
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fix(fixer) {
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return fixer.insertTextAfter(header, '\n');
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},
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});
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}
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return;
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}
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// Add header license
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if (!header || !header.value.includes('@license')) {
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context.report({
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node: node,
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messageId: 'licenseRule',
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fix(fixer) {
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return fixer.insertTextAfterRange(insertAfter, licenseHeader);
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},
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});
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}
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},
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};
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},
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};
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