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Most of the stuff in the TOC for the readme have been moved into the site itself so the TOC doesn't need to be here anymore.
2019-08-23, Gary Kramlich
4be8782a9ff3
Most of the stuff in the TOC for the readme have been moved into the site itself so the TOC doesn't need to be here anymore.
/**
* Runs after Hugo has built the site
* * Cleans, Minifies and Optimises hugo output
*
* USAGE: node tools/pre-prod [path to hugo output]
*/
/*****************************************************************************
* Imports
*****************************************************************************/
const
fs
=
require
(
'fs'
)
const
path
=
require
(
'path'
)
const
SVGO
=
require
(
'svgo'
)
const
{
html
:
beautify_html
}
=
require
(
'js-beautify'
)
/*****************************************************************************
* Set Up
*****************************************************************************/
const
target
=
// looks for a path in first arg or default to `./public/`
path
.
join
(
__dirname
,
`..`
,
process
.
argv
[
2
]
||
'public'
)
+
path
.
sep
const
svgo
=
new
SVGO
()
const
xmlRegex
=
/\.(html|xml)$/
const
jsonRegex
=
/\.json$/
const
svgRegex
=
/\.svg$/
const
htmlBeautifyOptions
=
{
max_preserve_newlines
:
0
}
/*****************************************************************************
* Execution
*****************************************************************************/
getFilePaths
(
target
).
forEach
(
path
=>
{
if
(
path
.
match
(
xmlRegex
))
{
tidyXML
(
path
)
}
else
if
(
path
.
match
(
jsonRegex
))
{
minifyJSON
(
path
)
}
else
if
(
path
.
match
(
svgRegex
))
{
optimiseSVG
(
path
)
}
})
/*****************************************************************************
* File Handlers
*****************************************************************************/
/**
* Format XML and HTML, removing hugo template artifacts,
* like whitespace chasms
* @param {string} path
*/
function
tidyXML
(
path
)
{
const
data
=
fs
.
readFileSync
(
path
,
'utf8'
)
const
formatted
=
beautify_html
(
data
,
htmlBeautifyOptions
)
fs
.
writeFile
(
path
,
formatted
,
err
=>
{
if
(
err
)
{
console
.
log
(
`Error Tidying
${
path
}
`
,
err
)
}
console
.
log
(
`Tidied path:
${
path
.
replace
(
target
,
''
)
}
`
)
})
}
/**
* Minify JSON
* @param {string} path
*/
function
minifyJSON
(
path
)
{
const
data
=
fs
.
readFileSync
(
path
,
'utf8'
)
const
formatted
=
JSON
.
stringify
(
JSON
.
parse
(
data
))
fs
.
writeFile
(
path
,
formatted
,
err
=>
{
if
(
err
)
{
console
.
log
(
`Error minifying
${
path
}
`
,
err
)
}
console
.
log
(
`Minified path:
${
path
.
replace
(
target
,
''
)
}
`
)
})
}
/**
* Optimise SVG files
* @param {string} path
*/
function
optimiseSVG
(
path
)
{
const
data
=
fs
.
readFileSync
(
path
,
'utf8'
)
svgo
.
optimize
(
data
)
.
then
(
d
=>
{
fs
.
writeFileSync
(
path
,
d
.
data
)
console
.
log
(
`Optimised:
${
path
.
replace
(
target
,
''
)
}
`
)
})
.
catch
(
err
=>
console
.
log
(
`Error Optimising SVG
${
path
}
`
,
err
))
}
/*****************************************************************************
* Helpers
*****************************************************************************/
function
getFilePaths
(
input
)
{
const
items
=
readDir
(
input
)
const
ret
=
[]
while
(
items
.
length
)
{
const
item
=
items
.
pop
()
const
stat
=
fs
.
statSync
(
item
)
if
(
stat
.
isDirectory
())
{
items
.
push
(...
readDir
(
item
))
}
else
if
(
stat
.
isFile
())
{
ret
.
push
(
item
)
}
}
return
ret
}
function
readDir
(
item
)
{
return
fs
.
readdirSync
(
item
).
map
(
i
=>
path
.
join
(
item
,
i
))
}