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97 lines
2.4 KiB
JavaScript
97 lines
2.4 KiB
JavaScript
import morph from 'morphmorph'
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import omitBy from 'lodash.omitby'
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import { htmlUnescape } from 'escape-goat'
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const SETTINGS_KEY = 'CARBON_STATE'
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const PRESETS_KEY = 'CARBON_PRESETS'
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const THEMES_KEY = 'CARBON_THEMES'
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const createAssigner = key => {
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const assign = morph.assign(key)
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return v => assign(localStorage, JSON.stringify(v))
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}
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const map = fn => obj => obj.map(fn)
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export const omit = keys => object => omitBy(object, (_, k) => keys.indexOf(k) > -1)
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export const saveSettings = morph.compose(
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createAssigner(SETTINGS_KEY),
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omit([
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'code',
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'backgroundImage',
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'backgroundImageSelection',
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'themes',
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'highlights',
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'fontUrl',
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'selectedLines',
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'name',
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])
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)
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export const savePresets = morph.compose(
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createAssigner(PRESETS_KEY),
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map(omit(['backgroundImageSelection']))
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)
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export const saveThemes = createAssigner(THEMES_KEY)
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const parse = v => {
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try {
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return JSON.parse(v)
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} catch (e) {
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// pass
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}
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}
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export const toggle = stateField => state => ({ [stateField]: !state[stateField] })
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// https://gist.github.com/alexgibson/1704515
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export const escapeHtml = s => {
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if (typeof s === 'string') {
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return s.replace(/</g, '<').replace(/>/g, '>').replace(/\//g, '/')
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}
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}
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export const unescapeHtml = s => {
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if (typeof s === 'string') {
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return htmlUnescape(s).replace(///g, '/')
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}
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}
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export const getSettings = morph.compose(parse, escapeHtml, morph.get(SETTINGS_KEY))
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export const getPresets = morph.compose(parse, morph.get(PRESETS_KEY))
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export const getThemes = morph.compose(parse, morph.get(THEMES_KEY))
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export const clearSettings = () => localStorage.removeItem(SETTINGS_KEY)
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export const fileToDataURL = blob =>
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new Promise(res => {
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const reader = new FileReader()
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reader.onload = e => res(e.target.result)
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reader.readAsDataURL(blob)
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})
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export const fileToJSON = blob =>
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new Promise(res => {
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const reader = new FileReader()
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reader.onload = e => res(parse(e.target.result))
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reader.readAsText(blob)
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})
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export const formatCode = async code => {
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const prettier = await import('prettier/standalone')
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const babylonParser = await import('prettier/parser-babel')
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return prettier.format(code, {
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parser: 'babel',
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plugins: [babylonParser],
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semi: false,
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singleQuote: true,
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})
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}
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export const stringifyRGBA = obj => `rgba(${obj.r},${obj.g},${obj.b},${obj.a})`
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export const generateId = () => Math.random().toString(36).slice(2)
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