124 lines
4.8 KiB
TypeScript
124 lines
4.8 KiB
TypeScript
import {AppBskyFeedPost} from '@atproto/api'
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type Entity = AppBskyFeedPost.Entity
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import {RichText} from '../../../src/lib/strings/rich-text'
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import {removeExcessNewlines} from '../../../src/lib/strings/rich-text-sanitize'
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describe('removeExcessNewlines', () => {
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it('removes more than two consecutive new lines', () => {
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const input = new RichText(
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'test\n\n\n\n\ntest\n\n\n\n\n\n\ntest\n\n\n\n\n\n\ntest\n\n\n\n\n\n\ntest',
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)
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('test\n\ntest\n\ntest\n\ntest\n\ntest')
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})
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it('removes more than two consecutive new lines with spaces', () => {
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const input = new RichText(
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'test\n\n\n\n\ntest\n \n \n \n \n\n\ntest\n\n\n\n\n\n\ntest\n\n\n\n\n \n\ntest',
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)
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('test\n\ntest\n\ntest\n\ntest\n\ntest')
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})
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it('returns original string if there are no consecutive new lines', () => {
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const input = new RichText('test\n\ntest\n\ntest\n\ntest\n\ntest')
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual(input.text)
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})
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it('returns original string if there are no new lines', () => {
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const input = new RichText('test test test test test')
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual(input.text)
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})
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it('returns empty string if input is empty', () => {
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const input = new RichText('')
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('')
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})
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it('works with different types of new line characters', () => {
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const input = new RichText(
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'test\r\ntest\n\rtest\rtest\n\n\n\ntest\n\r \n \n \n \n\n\ntest',
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)
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('test\r\ntest\n\rtest\rtest\n\ntest\n\ntest')
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})
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it('removes more than two consecutive new lines with zero width space', () => {
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const input = new RichText(
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'test\n\n\n\n\ntest\n\u200B\u200B\n\n\n\ntest\n \u200B\u200B \n\n\n\ntest\n\n\n\n\n\n\ntest',
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)
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('test\n\ntest\n\ntest\n\ntest\n\ntest')
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})
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it('removes more than two consecutive new lines with zero width non-joiner', () => {
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const input = new RichText(
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'test\n\n\n\n\ntest\n\u200C\u200C\n\n\n\ntest\n \u200C\u200C \n\n\n\ntest\n\n\n\n\n\n\ntest',
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)
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('test\n\ntest\n\ntest\n\ntest\n\ntest')
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})
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it('removes more than two consecutive new lines with zero width joiner', () => {
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const input = new RichText(
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'test\n\n\n\n\ntest\n\u200D\u200D\n\n\n\ntest\n \u200D\u200D \n\n\n\ntest\n\n\n\n\n\n\ntest',
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)
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('test\n\ntest\n\ntest\n\ntest\n\ntest')
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})
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it('removes more than two consecutive new lines with soft hyphen', () => {
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const input = new RichText(
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'test\n\n\n\n\ntest\n\u00AD\u00AD\n\n\n\ntest\n \u00AD\u00AD \n\n\n\ntest\n\n\n\n\n\n\ntest',
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)
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('test\n\ntest\n\ntest\n\ntest\n\ntest')
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})
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it('removes more than two consecutive new lines with word joiner', () => {
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const input = new RichText(
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'test\n\n\n\n\ntest\n\u2060\u2060\n\n\n\ntest\n \u2060\u2060 \n\n\n\ntest\n\n\n\n\n\n\ntest',
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)
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const output = removeExcessNewlines(input)
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expect(output.text).toEqual('test\n\ntest\n\ntest\n\ntest\n\ntest')
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})
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})
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describe('removeExcessNewlines w/entities', () => {
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it('preserves entities as expected', () => {
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const input = new RichText(
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'test\n\n\n\n\ntest\n\n\n\n\n\n\ntest\n\n\n\n\n\n\ntest\n\n\n\n\n\n\ntest',
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[
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{index: {start: 0, end: 13}, type: '', value: ''},
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{index: {start: 13, end: 24}, type: '', value: ''},
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{index: {start: 9, end: 15}, type: '', value: ''},
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{index: {start: 4, end: 9}, type: '', value: ''},
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],
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)
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const output = removeExcessNewlines(input)
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expect(entToStr(input.text, input.entities?.[0])).toEqual(
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'test\n\n\n\n\ntest',
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)
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expect(entToStr(input.text, input.entities?.[1])).toEqual(
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'\n\n\n\n\n\n\ntest',
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)
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expect(entToStr(input.text, input.entities?.[2])).toEqual('test\n\n')
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expect(entToStr(input.text, input.entities?.[3])).toEqual('\n\n\n\n\n')
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expect(output.text).toEqual('test\n\ntest\n\ntest\n\ntest\n\ntest')
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expect(entToStr(output.text, output.entities?.[0])).toEqual('test\n\ntest')
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expect(entToStr(output.text, output.entities?.[1])).toEqual('test')
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expect(entToStr(output.text, output.entities?.[2])).toEqual('test')
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expect(output.entities?.[3]).toEqual(undefined)
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})
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})
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function entToStr(str: string, ent?: Entity) {
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if (!ent) {
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return ''
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}
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return str.slice(ent.index.start, ent.index.end)
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}
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