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Implement for advance highlighting

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This commit is contained in:
Anton Medvedev 2018-12-15 14:43:22 +07:00
parent 3c891babf7
commit bb79c9812d
1 changed files with 27 additions and 18 deletions
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45
print.js
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@ -2,27 +2,36 @@
const indent = require('indent-string')
const config = require('./config')
function format(value, style, highlightStyle, regexp, transform = x => x) {
if (!regexp) {
return config.string(transform(value))
}
const marked = value
.replace(regexp, s => '<highlight>' + s + '<highlight>')
return transform(marked)
.split(/<highlight>/g)
.map((s, i) => i % 2 !== 0 ? highlightStyle(s) : style(s))
.join('')
}
function print(input, options = {}) {
const {expanded, highlight, currentPath} = options
const index = new Map()
let row = 0
function format(text, style, path) {
text = JSON.stringify(text)
if (!highlight) {
return style(text)
}
const highlightStyle = (currentPath === path) ? config.highlightCurrent : config.highlight
return text
.replace(highlight, s => '<fx>' + s + '<fx>')
.split(/<fx>/g)
.map((s, i) => i % 2 !== 0 ? highlightStyle(s) : style(s))
.join('')
}
function doPrint(v, path = '') {
index.set(row, path)
// Code for highlighting parts become cumbersome.
// Maybe we should refactor this part.
const highlightStyle = (currentPath === path) ? config.highlightCurrent : config.highlight
const formatStyle = (v, style) => format(JSON.stringify(v), style, highlightStyle, highlight)
const formatText = (v, style, path) => {
const highlightStyle = (currentPath === path) ? config.highlightCurrent : config.highlight
return format(v, style, highlightStyle, highlight, JSON.stringify)
}
const eol = () => {
row++
return '\n'
@ -33,20 +42,20 @@ function print(input, options = {}) {
}
if (v === null) {
return format(v, config.null, path)
return formatStyle(v, config.null)
}
if (typeof v === 'number' && Number.isFinite(v)) {
return format(v, config.number, path)
return formatStyle(v, config.number)
}
if (typeof v === 'boolean') {
return format(v, config.boolean, path)
return formatStyle(v, config.boolean)
}
if (typeof v === 'string') {
return format(v, config.string, path)
return formatText(v, config.string, path)
}
if (Array.isArray(v)) {
@ -84,7 +93,7 @@ function print(input, options = {}) {
output += eol()
let i = 0
for (let [key, value] of entries) {
const part = format(key, config.key, path + '.' + key) + config.colon(':') + ' ' + doPrint(value, path + '.' + key)
const part = formatText(key, config.key, path + '.' + key) + config.colon(':') + ' ' + doPrint(value, path + '.' + key)
output += indent(part, config.space)
output += i++ < len - 1 ? config.comma(',') : ''
output += eol()