mirror of https://github.com/actions/toolkit
Merge pull request #1014 from actions/robherley/md-summaries
feat: @actions/core extensions for markdown summarypull/1059/head
Rob Herley
GitHub
commit
91f9153ca8
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@ -0,0 +1,277 @@
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import * as fs from 'fs'
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import * as os from 'os'
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import path from 'path'
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import {markdownSummary, SUMMARY_ENV_VAR} from '../src/markdown-summary'
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const testFilePath = path.join(__dirname, 'test', 'test-summary.md')
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async function assertSummary(expected: string): Promise<void> {
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const file = await fs.promises.readFile(testFilePath, {encoding: 'utf8'})
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expect(file).toEqual(expected)
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}
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const fixtures = {
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text: 'hello world 🌎',
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code: `func fork() {
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for {
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go fork()
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}
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}`,
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list: ['foo', 'bar', 'baz', '💣'],
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table: [
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[
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{
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data: 'foo',
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header: true
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},
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{
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data: 'bar',
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header: true
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},
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{
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data: 'baz',
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header: true
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},
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{
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data: 'tall',
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rowspan: '3'
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}
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],
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['one', 'two', 'three'],
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[
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{
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data: 'wide',
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colspan: '3'
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}
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]
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],
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details: {
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label: 'open me',
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content: '🎉 surprise'
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},
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img: {
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src: 'https://github.com/actions.png',
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alt: 'actions logo',
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options: {
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width: '32',
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height: '32'
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}
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},
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quote: {
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text: 'Where the world builds software',
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cite: 'https://github.com/about'
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},
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link: {
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text: 'GitHub',
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href: 'https://github.com/'
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}
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}
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describe('@actions/core/src/markdown-summary', () => {
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beforeEach(async () => {
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process.env[SUMMARY_ENV_VAR] = testFilePath
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await fs.promises.writeFile(testFilePath, '', {encoding: 'utf8'})
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markdownSummary.emptyBuffer()
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})
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afterAll(async () => {
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await fs.promises.unlink(testFilePath)
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})
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it('throws if summary env var is undefined', async () => {
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process.env[SUMMARY_ENV_VAR] = undefined
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const write = markdownSummary.addRaw(fixtures.text).write()
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await expect(write).rejects.toThrow()
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})
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it('throws if summary file does not exist', async () => {
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await fs.promises.unlink(testFilePath)
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const write = markdownSummary.addRaw(fixtures.text).write()
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await expect(write).rejects.toThrow()
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})
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it('appends text to summary file', async () => {
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await fs.promises.writeFile(testFilePath, '# ', {encoding: 'utf8'})
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await markdownSummary.addRaw(fixtures.text).write()
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await assertSummary(`# ${fixtures.text}`)
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})
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it('overwrites text to summary file', async () => {
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await fs.promises.writeFile(testFilePath, 'overwrite', {encoding: 'utf8'})
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await markdownSummary.addRaw(fixtures.text).write({overwrite: true})
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await assertSummary(fixtures.text)
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})
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it('appends text with EOL to summary file', async () => {
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await fs.promises.writeFile(testFilePath, '# ', {encoding: 'utf8'})
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await markdownSummary.addRaw(fixtures.text, true).write()
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await assertSummary(`# ${fixtures.text}${os.EOL}`)
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})
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it('chains appends text to summary file', async () => {
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await fs.promises.writeFile(testFilePath, '', {encoding: 'utf8'})
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await markdownSummary
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.addRaw(fixtures.text)
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.addRaw(fixtures.text)
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.addRaw(fixtures.text)
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.write()
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await assertSummary([fixtures.text, fixtures.text, fixtures.text].join(''))
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})
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it('empties buffer after write', async () => {
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await fs.promises.writeFile(testFilePath, '', {encoding: 'utf8'})
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await markdownSummary.addRaw(fixtures.text).write()
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await assertSummary(fixtures.text)
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expect(markdownSummary.isEmptyBuffer()).toBe(true)
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})
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it('returns summary buffer as string', () => {
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markdownSummary.addRaw(fixtures.text)
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expect(markdownSummary.stringify()).toEqual(fixtures.text)
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})
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it('return correct values for isEmptyBuffer', () => {
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markdownSummary.addRaw(fixtures.text)
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expect(markdownSummary.isEmptyBuffer()).toBe(false)
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markdownSummary.emptyBuffer()
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expect(markdownSummary.isEmptyBuffer()).toBe(true)
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})
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it('clears a buffer and summary file', async () => {
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await fs.promises.writeFile(testFilePath, 'content', {encoding: 'utf8'})
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await markdownSummary.clear()
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await assertSummary('')
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expect(markdownSummary.isEmptyBuffer()).toBe(true)
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})
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it('adds EOL', async () => {
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await markdownSummary
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.addRaw(fixtures.text)
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.addEOL()
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.write()
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await assertSummary(fixtures.text + os.EOL)
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})
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it('adds a code block without language', async () => {
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await markdownSummary.addCodeBlock(fixtures.code).write()
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const expected = `<pre><code>func fork() {\n for {\n go fork()\n }\n}</code></pre>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds a code block with a language', async () => {
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await markdownSummary.addCodeBlock(fixtures.code, 'go').write()
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const expected = `<pre lang="go"><code>func fork() {\n for {\n go fork()\n }\n}</code></pre>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds an unordered list', async () => {
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await markdownSummary.addList(fixtures.list).write()
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const expected = `<ul><li>foo</li><li>bar</li><li>baz</li><li>💣</li></ul>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds an ordered list', async () => {
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await markdownSummary.addList(fixtures.list, true).write()
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const expected = `<ol><li>foo</li><li>bar</li><li>baz</li><li>💣</li></ol>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds a table', async () => {
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await markdownSummary.addTable(fixtures.table).write()
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const expected = `<table><tr><th>foo</th><th>bar</th><th>baz</th><td rowspan="3">tall</td></tr><tr><td>one</td><td>two</td><td>three</td></tr><tr><td colspan="3">wide</td></tr></table>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds a details element', async () => {
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await markdownSummary
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.addDetails(fixtures.details.label, fixtures.details.content)
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.write()
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const expected = `<details><summary>open me</summary>🎉 surprise</details>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds an image with alt text', async () => {
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await markdownSummary.addImage(fixtures.img.src, fixtures.img.alt).write()
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const expected = `<img src="https://github.com/actions.png" alt="actions logo">${os.EOL}`
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await assertSummary(expected)
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})
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it('adds an image with custom dimensions', async () => {
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await markdownSummary
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.addImage(fixtures.img.src, fixtures.img.alt, fixtures.img.options)
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.write()
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const expected = `<img src="https://github.com/actions.png" alt="actions logo" width="32" height="32">${os.EOL}`
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await assertSummary(expected)
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})
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it('adds an image with custom dimensions', async () => {
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await markdownSummary
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.addImage(fixtures.img.src, fixtures.img.alt, fixtures.img.options)
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.write()
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const expected = `<img src="https://github.com/actions.png" alt="actions logo" width="32" height="32">${os.EOL}`
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await assertSummary(expected)
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})
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it('adds headings h1...h6', async () => {
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for (const i of [1, 2, 3, 4, 5, 6]) {
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markdownSummary.addHeading('heading', i)
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}
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await markdownSummary.write()
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const expected = `<h1>heading</h1>${os.EOL}<h2>heading</h2>${os.EOL}<h3>heading</h3>${os.EOL}<h4>heading</h4>${os.EOL}<h5>heading</h5>${os.EOL}<h6>heading</h6>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds h1 if heading level not specified', async () => {
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await markdownSummary.addHeading('heading').write()
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const expected = `<h1>heading</h1>${os.EOL}`
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await assertSummary(expected)
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})
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it('uses h1 if heading level is garbage or out of range', async () => {
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await markdownSummary
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.addHeading('heading', 'foobar')
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.addHeading('heading', 1337)
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.addHeading('heading', -1)
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.addHeading('heading', Infinity)
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.write()
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const expected = `<h1>heading</h1>${os.EOL}<h1>heading</h1>${os.EOL}<h1>heading</h1>${os.EOL}<h1>heading</h1>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds a separator', async () => {
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await markdownSummary.addSeparator().write()
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const expected = `<hr>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds a break', async () => {
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await markdownSummary.addBreak().write()
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const expected = `<br>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds a quote', async () => {
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await markdownSummary.addQuote(fixtures.quote.text).write()
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const expected = `<blockquote>Where the world builds software</blockquote>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds a quote with citation', async () => {
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await markdownSummary
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.addQuote(fixtures.quote.text, fixtures.quote.cite)
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.write()
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const expected = `<blockquote cite="https://github.com/about">Where the world builds software</blockquote>${os.EOL}`
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await assertSummary(expected)
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})
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it('adds a link with href', async () => {
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await markdownSummary
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.addLink(fixtures.link.text, fixtures.link.href)
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.write()
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const expected = `<a href="https://github.com/">GitHub</a>${os.EOL}`
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await assertSummary(expected)
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})
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})
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@ -359,3 +359,8 @@ export function getState(name: string): string {
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export async function getIDToken(aud?: string): Promise<string> {
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return await OidcClient.getIDToken(aud)
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}
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/**
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* Markdown summary exports
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*/
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export {markdownSummary} from './markdown-summary'
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@ -0,0 +1,362 @@
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import {EOL} from 'os'
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import {constants, promises} from 'fs'
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const {access, appendFile, writeFile} = promises
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export const SUMMARY_ENV_VAR = 'GITHUB_STEP_SUMMARY'
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export const SUMMARY_DOCS_URL =
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'https://docs.github.com/actions/using-workflows/workflow-commands-for-github-actions#adding-a-markdown-summary'
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export type SummaryTableRow = (SummaryTableCell | string)[]
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export interface SummaryTableCell {
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/**
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* Cell content
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*/
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data: string
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/**
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* Render cell as header
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* (optional) default: false
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*/
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header?: boolean
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/**
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* Number of columns the cell extends
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* (optional) default: '1'
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*/
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colspan?: string
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/**
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* Number of rows the cell extends
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* (optional) default: '1'
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*/
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rowspan?: string
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}
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export interface SummaryImageOptions {
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/**
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* The width of the image in pixels. Must be an integer without a unit.
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* (optional)
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*/
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width?: string
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/**
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* The height of the image in pixels. Must be an integer without a unit.
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* (optional)
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*/
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height?: string
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}
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export interface SummaryWriteOptions {
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/**
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* Replace all existing content in summary file with buffer contents
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* (optional) default: false
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*/
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overwrite?: boolean
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}
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class MarkdownSummary {
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private _buffer: string
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private _filePath?: string
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constructor() {
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this._buffer = ''
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}
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/**
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* Finds the summary file path from the environment, rejects if env var is not found or file does not exist
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* Also checks r/w permissions.
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*
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* @returns step summary file path
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*/
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private async filePath(): Promise<string> {
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if (this._filePath) {
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return this._filePath
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}
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const pathFromEnv = process.env[SUMMARY_ENV_VAR]
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if (!pathFromEnv) {
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throw new Error(
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`Unable to find environment variable for $${SUMMARY_ENV_VAR}. Check if your runtime environment supports markdown summaries.`
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)
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}
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try {
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await access(pathFromEnv, constants.R_OK | constants.W_OK)
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} catch {
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throw new Error(
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`Unable to access summary file: '${pathFromEnv}'. Check if the file has correct read/write permissions.`
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)
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}
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this._filePath = pathFromEnv
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return this._filePath
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}
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/**
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* Wraps content in an HTML tag, adding any HTML attributes
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*
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* @param {string} tag HTML tag to wrap
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* @param {string | null} content content within the tag
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* @param {[attribute: string]: string} attrs key-value list of HTML attributes to add
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*
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* @returns {string} content wrapped in HTML element
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*/
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private wrap(
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tag: string,
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content: string | null,
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attrs: {[attribute: string]: string} = {}
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): string {
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const htmlAttrs = Object.entries(attrs)
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.map(([key, value]) => ` ${key}="${value}"`)
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.join('')
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if (!content) {
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return `<${tag}${htmlAttrs}>`
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}
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return `<${tag}${htmlAttrs}>${content}</${tag}>`
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}
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/**
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* Writes text in the buffer to the summary buffer file and empties buffer. Will append by default.
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*
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* @param {SummaryWriteOptions} [options] (optional) options for write operation
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*
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* @returns {Promise<MarkdownSummary>} markdown summary instance
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*/
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async write(options?: SummaryWriteOptions): Promise<MarkdownSummary> {
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const overwrite = !!options?.overwrite
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const filePath = await this.filePath()
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const writeFunc = overwrite ? writeFile : appendFile
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await writeFunc(filePath, this._buffer, {encoding: 'utf8'})
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return this.emptyBuffer()
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}
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/**
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* Clears the summary buffer and wipes the summary file
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*
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* @returns {MarkdownSummary} markdown summary instance
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*/
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async clear(): Promise<MarkdownSummary> {
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return this.emptyBuffer().write({overwrite: true})
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}
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/**
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* Returns the current summary buffer as a string
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*
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* @returns {string} string of summary buffer
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*/
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stringify(): string {
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return this._buffer
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}
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/**
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* If the summary buffer is empty
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*
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* @returns {boolen} true if the buffer is empty
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*/
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isEmptyBuffer(): boolean {
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return this._buffer.length === 0
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}
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/**
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* Resets the summary buffer without writing to summary file
|
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*
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* @returns {MarkdownSummary} markdown summary instance
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*/
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emptyBuffer(): MarkdownSummary {
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this._buffer = ''
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return this
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}
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|
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/**
|
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* Adds raw text to the summary buffer
|
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*
|
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* @param {string} text content to add
|
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* @param {boolean} [addEOL=false] (optional) append an EOL to the raw text (default: false)
|
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*
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* @returns {MarkdownSummary} markdown summary instance
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*/
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addRaw(text: string, addEOL = false): MarkdownSummary {
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this._buffer += text
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return addEOL ? this.addEOL() : this
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}
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/**
|
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* Adds the operating system-specific end-of-line marker to the buffer
|
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*
|
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* @returns {MarkdownSummary} markdown summary instance
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*/
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addEOL(): MarkdownSummary {
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return this.addRaw(EOL)
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}
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/**
|
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* Adds an HTML codeblock to the summary buffer
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*
|
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* @param {string} code content to render within fenced code block
|
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* @param {string} lang (optional) language to syntax highlight code
|
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*
|
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* @returns {MarkdownSummary} markdown summary instance
|
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*/
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addCodeBlock(code: string, lang?: string): MarkdownSummary {
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const attrs = {
|
||||
...(lang && {lang})
|
||||
}
|
||||
const element = this.wrap('pre', this.wrap('code', code), attrs)
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds an HTML list to the summary buffer
|
||||
*
|
||||
* @param {string[]} items list of items to render
|
||||
* @param {boolean} [ordered=false] (optional) if the rendered list should be ordered or not (default: false)
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addList(items: string[], ordered = false): MarkdownSummary {
|
||||
const tag = ordered ? 'ol' : 'ul'
|
||||
const listItems = items.map(item => this.wrap('li', item)).join('')
|
||||
const element = this.wrap(tag, listItems)
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds an HTML table to the summary buffer
|
||||
*
|
||||
* @param {SummaryTableCell[]} rows table rows
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addTable(rows: SummaryTableRow[]): MarkdownSummary {
|
||||
const tableBody = rows
|
||||
.map(row => {
|
||||
const cells = row
|
||||
.map(cell => {
|
||||
if (typeof cell === 'string') {
|
||||
return this.wrap('td', cell)
|
||||
}
|
||||
|
||||
const {header, data, colspan, rowspan} = cell
|
||||
const tag = header ? 'th' : 'td'
|
||||
const attrs = {
|
||||
...(colspan && {colspan}),
|
||||
...(rowspan && {rowspan})
|
||||
}
|
||||
|
||||
return this.wrap(tag, data, attrs)
|
||||
})
|
||||
.join('')
|
||||
|
||||
return this.wrap('tr', cells)
|
||||
})
|
||||
.join('')
|
||||
|
||||
const element = this.wrap('table', tableBody)
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds a collapsable HTML details element to the summary buffer
|
||||
*
|
||||
* @param {string} label text for the closed state
|
||||
* @param {string} content collapsable content
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addDetails(label: string, content: string): MarkdownSummary {
|
||||
const element = this.wrap('details', this.wrap('summary', label) + content)
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds an HTML image tag to the summary buffer
|
||||
*
|
||||
* @param {string} src path to the image you to embed
|
||||
* @param {string} alt text description of the image
|
||||
* @param {SummaryImageOptions} options (optional) addition image attributes
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addImage(
|
||||
src: string,
|
||||
alt: string,
|
||||
options?: SummaryImageOptions
|
||||
): MarkdownSummary {
|
||||
const {width, height} = options || {}
|
||||
const attrs = {
|
||||
...(width && {width}),
|
||||
...(height && {height})
|
||||
}
|
||||
|
||||
const element = this.wrap('img', null, {src, alt, ...attrs})
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds an HTML section heading element
|
||||
*
|
||||
* @param {string} text heading text
|
||||
* @param {number | string} [level=1] (optional) the heading level, default: 1
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addHeading(text: string, level?: number | string): MarkdownSummary {
|
||||
const tag = `h${level}`
|
||||
const allowedTag = ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'].includes(tag)
|
||||
? tag
|
||||
: 'h1'
|
||||
const element = this.wrap(allowedTag, text)
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds an HTML thematic break (<hr>) to the summary buffer
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addSeparator(): MarkdownSummary {
|
||||
const element = this.wrap('hr', null)
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds an HTML line break (<br>) to the summary buffer
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addBreak(): MarkdownSummary {
|
||||
const element = this.wrap('br', null)
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds an HTML blockquote to the summary buffer
|
||||
*
|
||||
* @param {string} text quote text
|
||||
* @param {string} cite (optional) citation url
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addQuote(text: string, cite?: string): MarkdownSummary {
|
||||
const attrs = {
|
||||
...(cite && {cite})
|
||||
}
|
||||
const element = this.wrap('blockquote', text, attrs)
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds an HTML anchor tag to the summary buffer
|
||||
*
|
||||
* @param {string} text link text/content
|
||||
* @param {string} href hyperlink
|
||||
*
|
||||
* @returns {MarkdownSummary} markdown summary instance
|
||||
*/
|
||||
addLink(text: string, href: string): MarkdownSummary {
|
||||
const element = this.wrap('a', text, {href})
|
||||
return this.addRaw(element).addEOL()
|
||||
}
|
||||
}
|
||||
|
||||
// singleton export
|
||||
export const markdownSummary = new MarkdownSummary()
|
||||
Loading…
Reference in New Issue