62 lines
1.2 KiB
JavaScript
62 lines
1.2 KiB
JavaScript
//per http://redux.js.org/docs/recipes/ComputingDerivedData.html
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import { createSelector } from 'reselect'
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import React from 'react'
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import {Format, Show} from './constants'
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import * as Dubdiff from './util/dubdiff'
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const input = (state) => state.input
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const format = (state) => state.format
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const show = (state) => state.show
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export const safeInput = createSelector(
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[input],
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(input) => {
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//!!! sanitize the input here and return
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return input
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}
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)
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export const isMarkdownFormat = createSelector(
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[format],
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(format) => {
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return format == Format.MARKDOWN
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}
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)
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const isShow = (type) => createSelector(
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[show],
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(show) => {
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return show == type
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}
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)
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export const isShowOriginal = isShow(Show.ORIGINAL)
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export const isShowFinal = isShow(Show.FINAL)
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export const isShowDifference= isShow(Show.DIFFERENCE)
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export const diff = createSelector(
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[format, safeInput],
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(format, safeInput) => {
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if (format==Format.PLAINTEXT)
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return Dubdiff.plaintextDiff(safeInput.original, safeInput.final)
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else if (format==Format.MARKDOWN)
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return Dubdiff.markdownDiff(safeInput.original, safeInput.final)
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}
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)
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/*
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html diff
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---
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diffHtml(parentOriginal, parentFinal) {
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create stringOriginal, stringFinal consisting of
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}
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*/ |