restructure and tests

squash! restructure and tests
This commit is contained in:
Henry Jameson 2021-06-12 19:47:23 +03:00
parent ca6c7d5b10
commit cd44556750
9 changed files with 481 additions and 105 deletions

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@ -1,6 +1,7 @@
import Vue from 'vue' import Vue from 'vue'
import { unescape, flattenDeep } from 'lodash' import { unescape, flattenDeep } from 'lodash'
import { convertHtmlToTree, getTagName, processTextForEmoji, getAttrs } from 'src/services/html_converter/html_tree_converter.service.js' import { getTagName, processTextForEmoji, getAttrs } from 'src/services/html_converter/utility.service.js'
import { convertHtmlToTree } from 'src/services/html_converter/html_tree_converter.service.js'
import { convertHtmlToLines } from 'src/services/html_converter/html_line_converter.service.js' import { convertHtmlToLines } from 'src/services/html_converter/html_line_converter.service.js'
import StillImage from 'src/components/still-image/still-image.vue' import StillImage from 'src/components/still-image/still-image.vue'
import MentionLink from 'src/components/mention_link/mention_link.vue' import MentionLink from 'src/components/mention_link/mention_link.vue'
@ -31,18 +32,12 @@ export default Vue.component('RichContent', {
required: false, required: false,
type: Boolean, type: Boolean,
default: false default: false
},
// Whether to hide last mentions (hellthreads)
hideMentions: {
required: false,
type: Boolean,
default: false
} }
}, },
// NEVER EVER TOUCH DATA INSIDE RENDER // NEVER EVER TOUCH DATA INSIDE RENDER
render (h) { render (h) {
// Pre-process HTML // Pre-process HTML
const { newHtml: html, lastMentions } = preProcessPerLine(this.html, this.greentext, this.hideMentions) const { newHtml: html, lastMentions } = preProcessPerLine(this.html, this.greentext, this.handleLinks)
const firstMentions = [] // Mentions that appear in the beginning of post body const firstMentions = [] // Mentions that appear in the beginning of post body
const lastTags = [] // Tags that appear at the end of post body const lastTags = [] // Tags that appear at the end of post body
const writtenMentions = [] // All mentions that appear in post body const writtenMentions = [] // All mentions that appear in post body
@ -228,8 +223,9 @@ const getLinkData = (attrs, children, index) => {
* *
* @param {String} html - raw HTML to process * @param {String} html - raw HTML to process
* @param {Boolean} greentext - whether to enable greentexting or not * @param {Boolean} greentext - whether to enable greentexting or not
* @param {Boolean} handleLinks - whether to handle links or not
*/ */
export const preProcessPerLine = (html, greentext) => { export const preProcessPerLine = (html, greentext, handleLinks) => {
const lastMentions = [] const lastMentions = []
let nonEmptyIndex = 0 let nonEmptyIndex = 0
@ -264,6 +260,7 @@ export const preProcessPerLine = (html, greentext) => {
const tag = getTagName(opener) const tag = getTagName(opener)
// If we have a link we probably have mentions // If we have a link we probably have mentions
if (tag === 'a') { if (tag === 'a') {
if (!handleLinks) return [opener, children, closer]
const attrs = getAttrs(opener) const attrs = getAttrs(opener)
if (attrs['class'] && attrs['class'].includes('mention')) { if (attrs['class'] && attrs['class'].includes('mention')) {
// Got mentions // Got mentions
@ -297,7 +294,7 @@ export const preProcessPerLine = (html, greentext) => {
const result = [...tree].map(process) const result = [...tree].map(process)
// Only check last (first since list is reversed) line // Only check last (first since list is reversed) line
if (hasMentions && !hasLooseText && nonEmptyIndex++ === 0) { if (handleLinks && hasMentions && !hasLooseText && nonEmptyIndex++ === 0) {
let mentionIndex = 0 let mentionIndex = 0
const process = (item) => { const process = (item) => {
if (Array.isArray(item)) { if (Array.isArray(item)) {

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@ -52,7 +52,6 @@
:html="status.raw_html" :html="status.raw_html"
:emoji="status.emojis" :emoji="status.emojis"
:handle-links="true" :handle-links="true"
:hide-mentions="hideMentions"
:greentext="mergedConfig.greentext" :greentext="mergedConfig.greentext"
@parseReady="setHeadTailLinks" @parseReady="setHeadTailLinks"
/> />

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@ -1,3 +1,5 @@
import { getTagName } from './utility.service.js'
/** /**
* This is a tiny purpose-built HTML parser/processor. This basically detects * This is a tiny purpose-built HTML parser/processor. This basically detects
* any type of visual newline and converts entire HTML into a array structure. * any type of visual newline and converts entire HTML into a array structure.
@ -26,12 +28,6 @@ export const convertHtmlToLines = (html) => {
let textBuffer = '' // Current line content let textBuffer = '' // Current line content
let tagBuffer = null // Current tag buffer, if null = we are not currently reading a tag let tagBuffer = null // Current tag buffer, if null = we are not currently reading a tag
// Extracts tag name from tag, i.e. <span a="b"> => span
const getTagName = (tag) => {
const result = /(?:<\/(\w+)>|<(\w+)\s?[^/]*?\/?>)/gi.exec(tag)
return result && (result[1] || result[2])
}
const flush = () => { // Processes current line buffer, adds it to output buffer and clears line buffer const flush = () => { // Processes current line buffer, adds it to output buffer and clears line buffer
if (textBuffer.trim().length > 0 && !level.some(l => ignoredTags.has(l))) { if (textBuffer.trim().length > 0 && !level.some(l => ignoredTags.has(l))) {
buffer.push({ text: textBuffer }) buffer.push({ text: textBuffer })

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@ -1,3 +1,5 @@
import { getTagName } from './utility.service.js'
/** /**
* This is a not-so-tiny purpose-built HTML parser/processor. This parses html * This is a not-so-tiny purpose-built HTML parser/processor. This parses html
* and converts it into a tree structure representing tag openers/closers and * and converts it into a tree structure representing tag openers/closers and
@ -93,54 +95,3 @@ export const convertHtmlToTree = (html) => {
flushText() flushText()
return buffer return buffer
} }
// Extracts tag name from tag, i.e. <span a="b"> => span
export const getTagName = (tag) => {
const result = /(?:<\/(\w+)>|<(\w+)\s?.*?\/?>)/gi.exec(tag)
return result && (result[1] || result[2])
}
export const processTextForEmoji = (text, emojis, processor) => {
const buffer = []
let textBuffer = ''
for (let i = 0; i < text.length; i++) {
const char = text[i]
if (char === ':') {
const next = text.slice(i + 1)
let found = false
for (let emoji of emojis) {
if (next.slice(0, emoji.shortcode.length + 1) === (emoji.shortcode + ':')) {
found = emoji
break
}
}
if (found) {
buffer.push(textBuffer)
textBuffer = ''
buffer.push(processor(found))
i += found.shortcode.length + 1
} else {
textBuffer += char
}
} else {
textBuffer += char
}
}
if (textBuffer) buffer.push(textBuffer)
return buffer
}
export const getAttrs = tag => {
const innertag = tag
.substring(1, tag.length - 1)
.replace(new RegExp('^' + getTagName(tag)), '')
.replace(/\/?$/, '')
.trim()
const attrs = Array.from(innertag.matchAll(/([a-z0-9-]+)(?:=("[^"]+?"|'[^']+?'))?/gi))
.map(([trash, key, value]) => [key, value])
.map(([k, v]) => {
if (!v) return [k, true]
return [k, v.substring(1, v.length - 1)]
})
return Object.fromEntries(attrs)
}

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@ -0,0 +1,73 @@
/**
* Extract tag name from tag opener/closer.
*
* @param {String} tag - tag string, i.e. '<a href="...">'
* @return {String} - tagname, i.e. "div"
*/
export const getTagName = (tag) => {
const result = /(?:<\/(\w+)>|<(\w+)\s?.*?\/?>)/gi.exec(tag)
return result && (result[1] || result[2])
}
/**
* Extract attributes from tag opener.
*
* @param {String} tag - tag string, i.e. '<a href="...">'
* @return {Object} - map of attributes key = attribute name, value = attribute value
* attributes without values represented as boolean true
*/
export const getAttrs = tag => {
const innertag = tag
.substring(1, tag.length - 1)
.replace(new RegExp('^' + getTagName(tag)), '')
.replace(/\/?$/, '')
.trim()
const attrs = Array.from(innertag.matchAll(/([a-z0-9-]+)(?:=("[^"]+?"|'[^']+?'))?/gi))
.map(([trash, key, value]) => [key, value])
.map(([k, v]) => {
if (!v) return [k, true]
return [k, v.substring(1, v.length - 1)]
})
return Object.fromEntries(attrs)
}
/**
* Finds shortcodes in text
*
* @param {String} text - original text to find emojis in
* @param {{ url: String, shortcode: Sring }[]} emoji - list of shortcodes to find
* @param {Function} processor - function to call on each encountered emoji,
* function is passed single object containing matching emoji ({ url, shortcode })
* return value will be inserted into resulting array instead of :shortcode:
* @return {Array} resulting array with non-emoji parts of text and whatever {processor}
* returned for emoji
*/
export const processTextForEmoji = (text, emojis, processor) => {
const buffer = []
let textBuffer = ''
for (let i = 0; i < text.length; i++) {
const char = text[i]
if (char === ':') {
const next = text.slice(i + 1)
let found = false
for (let emoji of emojis) {
if (next.slice(0, emoji.shortcode.length + 1) === (emoji.shortcode + ':')) {
found = emoji
break
}
}
if (found) {
buffer.push(textBuffer)
textBuffer = ''
buffer.push(processor(found))
i += found.shortcode.length + 1
} else {
textBuffer += char
}
} else {
textBuffer += char
}
}
if (textBuffer) buffer.push(textBuffer)
return buffer
}

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@ -0,0 +1,357 @@
import { shallowMount, createLocalVue } from '@vue/test-utils'
import RichContent from 'src/components/rich_content/rich_content.jsx'
const localVue = createLocalVue()
const makeMention = (who) => `<span class="h-card"><a class="u-url mention" href="https://fake.tld/@${who}">@<span>${who}</span></a></span>`
const stubMention = (who) => `<span class="h-card"><mentionlink-stub url="https://fake.tld/@${who}" content="@<span>${who}</span>"></mentionlink-stub></span>`
const lastMentions = (...data) => `<span class="lastMentions">${data.join('')}</span>`
const p = (...data) => `<p>${data.join('')}</p>`
const compwrap = (...data) => `<span class="RichContent">${data.join('')}</span>`
const removedMentionSpan = '<span class="h-card"></span>'
describe('RichContent', () => {
it('renders simple post without exploding', () => {
const html = p('Hello world!')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: true,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(html))
})
it('removes mentions from the beginning of post', () => {
const html = p(
makeMention('John'),
' how are you doing thoday?'
)
const expected = p(
removedMentionSpan,
'how are you doing thoday?'
)
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: true,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('removes mentions from the end of the hellpost (<p>)', () => {
const html = [
p('How are you doing today, fine gentlemen?'),
p(
makeMention('John'),
makeMention('Josh'),
makeMention('Jeremy')
)
].join('')
const expected = [
p(
'How are you doing today, fine gentlemen?'
),
// TODO fix this extra line somehow?
p()
].join('')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: true,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('removes mentions from the end of the hellpost (<br>)', () => {
const html = [
'How are you doing today, fine gentlemen?',
[
makeMention('John'),
makeMention('Josh'),
makeMention('Jeremy')
].join('')
].join('<br>')
const expected = [
'How are you doing today, fine gentlemen?',
// TODO fix this extra line somehow?
'<br>'
].join('')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: true,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('removes mentions from the end of the hellpost (\\n)', () => {
const html = [
'How are you doing today, fine gentlemen?',
[
makeMention('John'),
makeMention('Josh'),
makeMention('Jeremy')
].join('')
].join('\n')
const expected = [
'How are you doing today, fine gentlemen?',
// TODO fix this extra line somehow?
''
].join('\n')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: true,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('Does not remove mentions in the middle or at the end of text string', () => {
const html = [
[
makeMention('Jack'),
'let\'s meet up with ',
makeMention('Janet')
].join(''),
[
'cc: ',
makeMention('John'),
makeMention('Josh'),
makeMention('Jeremy')
].join('')
].join('\n')
const expected = [
[
removedMentionSpan,
'let\'s meet up with ',
stubMention('Janet')
].join(''),
[
'cc: ',
stubMention('John'),
stubMention('Josh'),
stubMention('Jeremy')
].join('')
].join('\n')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: true,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('removes mentions from the end if there\'s only one first mention', () => {
const html = [
p(
makeMention('Todd'),
'so anyway you are wrong'
),
p(
makeMention('Tom'),
makeMention('Trace'),
makeMention('Theodor')
)
].join('')
const expected = [
p(
removedMentionSpan,
'so anyway you are wrong'
),
// TODO fix this extra line somehow?
p()
].join('')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: true,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('does not remove mentions from the end if there\'s more than one first mention', () => {
const html = [
p(
makeMention('Zacharie'),
makeMention('Zinaide'),
'you guys have cool names, and so do these guys: '
),
p(
makeMention('Watson'),
makeMention('Wallace'),
makeMention('Wakamoto')
)
].join('')
const expected = [
p(
removedMentionSpan,
removedMentionSpan,
'you guys have cool names, and so do these guys: '
),
p(
lastMentions(
stubMention('Watson'),
stubMention('Wallace'),
stubMention('Wakamoto')
)
)
].join('')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: true,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('Does not touch links if link handling is disabled', () => {
const html = [
[
makeMention('Jack'),
'let\'s meet up with ',
makeMention('Janet')
].join(''),
[
makeMention('John'),
makeMention('Josh'),
makeMention('Jeremy')
].join('')
].join('\n')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: false,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(html))
})
it('Adds greentext and cyantext to the post', () => {
const html = [
'&gt;preordering videogames',
'&gt;any year'
].join('\n')
const expected = [
'<span class="greentext">&gt;preordering videogames</span>',
'<span class="greentext">&gt;any year</span>'
].join('\n')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: false,
greentext: true,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('Does not add greentext and cyantext if setting is set to false', () => {
const html = [
'&gt;preordering videogames',
'&gt;any year'
].join('\n')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: false,
greentext: false,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(html))
})
it('Adds emoji to post', () => {
const html = p('Ebin :DDDD :spurdo:')
const expected = p(
'Ebin :DDDD ',
'<anonymous-stub alt=":spurdo:" src="about:blank" title=":spurdo:" class="emoji img"></anonymous-stub>'
)
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: false,
greentext: false,
emoji: [{ url: 'about:blank', shortcode: 'spurdo' }],
html
}
})
expect(wrapper.html()).to.eql(compwrap(expected))
})
it('Doesn\'t add nonexistent emoji to post', () => {
const html = p('Lol :lol:')
const wrapper = shallowMount(RichContent, {
localVue,
propsData: {
handleLinks: false,
greentext: false,
emoji: [],
html
}
})
expect(wrapper.html()).to.eql(compwrap(html))
})
})

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@ -2,7 +2,7 @@ import { convertHtmlToLines } from 'src/services/html_converter/html_line_conver
const mapOnlyText = (processor) => (input) => input.text ? processor(input.text) : input const mapOnlyText = (processor) => (input) => input.text ? processor(input.text) : input
describe('TinyPostHTMLProcessor', () => { describe('html_line_converter', () => {
describe('with processor that keeps original line should not make any changes to HTML when', () => { describe('with processor that keeps original line should not make any changes to HTML when', () => {
const processorKeep = (line) => line const processorKeep = (line) => line
it('fed with regular HTML with newlines', () => { it('fed with regular HTML with newlines', () => {

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@ -1,6 +1,6 @@
import { convertHtmlToTree, processTextForEmoji, getAttrs } from 'src/services/html_converter/html_tree_converter.service.js' import { convertHtmlToTree } from 'src/services/html_converter/html_tree_converter.service.js'
describe('MiniHtmlConverter', () => { describe('html_tree_converter', () => {
describe('convertHtmlToTree', () => { describe('convertHtmlToTree', () => {
it('converts html into a tree structure', () => { it('converts html into a tree structure', () => {
const input = '1 <p>2</p> <b>3<img src="a">4</b>5' const input = '1 <p>2</p> <b>3<img src="a">4</b>5'
@ -129,38 +129,4 @@ describe('MiniHtmlConverter', () => {
]) ])
}) })
}) })
describe('processTextForEmoji', () => {
it('processes all emoji in text', () => {
const input = 'Hello from finland! :lol: We have best water! :lmao:'
const emojis = [
{ shortcode: 'lol', src: 'LOL' },
{ shortcode: 'lmao', src: 'LMAO' }
]
const processor = ({ shortcode, src }) => ({ shortcode, src })
expect(processTextForEmoji(input, emojis, processor)).to.eql([
'Hello from finland! ',
{ shortcode: 'lol', src: 'LOL' },
' We have best water! ',
{ shortcode: 'lmao', src: 'LMAO' }
])
})
it('leaves text as is', () => {
const input = 'Number one: that\'s terror'
const emojis = []
const processor = ({ shortcode, src }) => ({ shortcode, src })
expect(processTextForEmoji(input, emojis, processor)).to.eql([
'Number one: that\'s terror'
])
})
})
describe('getAttrs', () => {
it('extracts arguments from tag', () => {
const input = '<img src="boop" cool ebin=\'true\'>'
const output = { src: 'boop', cool: true, ebin: 'true' }
expect(getAttrs(input)).to.eql(output)
})
})
}) })

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@ -0,0 +1,37 @@
import { processTextForEmoji, getAttrs } from 'src/services/html_converter/utility.service.js'
describe('html_converter utility', () => {
describe('processTextForEmoji', () => {
it('processes all emoji in text', () => {
const input = 'Hello from finland! :lol: We have best water! :lmao:'
const emojis = [
{ shortcode: 'lol', src: 'LOL' },
{ shortcode: 'lmao', src: 'LMAO' }
]
const processor = ({ shortcode, src }) => ({ shortcode, src })
expect(processTextForEmoji(input, emojis, processor)).to.eql([
'Hello from finland! ',
{ shortcode: 'lol', src: 'LOL' },
' We have best water! ',
{ shortcode: 'lmao', src: 'LMAO' }
])
})
it('leaves text as is', () => {
const input = 'Number one: that\'s terror'
const emojis = []
const processor = ({ shortcode, src }) => ({ shortcode, src })
expect(processTextForEmoji(input, emojis, processor)).to.eql([
'Number one: that\'s terror'
])
})
})
describe('getAttrs', () => {
it('extracts arguments from tag', () => {
const input = '<img src="boop" cool ebin=\'true\'>'
const output = { src: 'boop', cool: true, ebin: 'true' }
expect(getAttrs(input)).to.eql(output)
})
})
})