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make customizer compilation code more generic

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This commit is contained in:
Chris Rebert 2014-01-07 18:38:37 -08:00
parent bf5017c01c
commit 07309edce5
1 changed files with 42 additions and 34 deletions
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76
docs/assets/js/customizer.js
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@ -173,20 +173,55 @@ window.onload = function () { // wait for load in a dumb way because B-0
}
}
// Returns an Array of @import'd filenames from 'bootstrap.less' in the order
// Returns an Array of @import'd filenames in the order
// in which they appear in the file.
function bootstrapLessFilenames() {
function includedLessFilenames(lessFilename) {
var IMPORT_REGEX = /^@import \"(.*?)\";$/
var bootstrapLessLines = __less['bootstrap.less'].split('\n')
var lessLines = __less[lessFilename].split('\n')
for (var i = 0, imports = []; i < bootstrapLessLines.length; i++) {
var match = IMPORT_REGEX.exec(bootstrapLessLines[i])
for (var i = 0, imports = []; i < lessLines.length; i++) {
var match = IMPORT_REGEX.exec(lessLines[i])
if (match) imports.push(match[1])
}
return imports
}
function generateLESS(lessFilename, lessFileIncludes, vars) {
var lessSource = __less[lessFilename]
$.each(includedLessFilenames(lessFilename), function(index, filename) {
var fileInclude = lessFileIncludes[filename]
// Files not explicitly unchecked are compiled into the final stylesheet.
// Core stylesheets like 'normalize.less' are not included in the form
// since disabling them would wreck everything, and so their 'fileInclude'
// will be 'undefined'.
if (fileInclude || (fileInclude == null)) lessSource += __less[filename]
// Custom variables are added after Bootstrap variables so the custom
// ones take precedence.
if (('variables.less' === filename) && vars) lessSource += generateCustomCSS(vars)
})
lessSource = lessSource.replace(/@import[^\n]*/gi, '') //strip any imports
return lessSource
}
function compileLESS(lessSource, baseFilename, intoResult) {
var parser = new less.Parser({
paths: ['variables.less', 'mixins.less'],
optimization: 0,
filename: baseFilename + '.css'
}).parse(lessSource, function (err, tree) {
if (err) {
return showError('<strong>Ruh roh!</strong> Could not parse less files.', err)
}
intoResult[baseFilename + '.css'] = cw + tree.toCSS()
intoResult[baseFilename + '.min.css'] = cw + tree.toCSS({ compress: true })
})
}
function generateCSS() {
var oneChecked = false
var lessFileIncludes = {}
@ -202,43 +237,16 @@ window.onload = function () { // wait for load in a dumb way because B-0
var result = {}
var vars = {}
var css = ''
$('#less-variables-section input')
.each(function () {
$(this).val() && (vars[$(this).prev().text()] = $(this).val())
})
$.each(bootstrapLessFilenames(), function(index, filename) {
var fileInclude = lessFileIncludes[filename]
// Files not explicitly unchecked are compiled into the final stylesheet.
// Core stylesheets like 'normalize.less' are not included in the form
// since disabling them would wreck everything, and so their 'fileInclude'
// will be 'undefined'.
if (fileInclude || (fileInclude == null)) css += __less[filename]
// Custom variables are added after Bootstrap variables so the custom
// ones take precedence.
if (('variables.less' === filename) && vars) css += generateCustomCSS(vars)
})
css = css.replace(/@import[^\n]*/gi, '') //strip any imports
var bsLessSource = generateLESS('bootstrap.less', lessFileIncludes, vars)
try {
var parser = new less.Parser({
paths: ['variables.less', 'mixins.less'],
optimization: 0,
filename: 'bootstrap.css'
}).parse(css, function (err, tree) {
if (err) {
return showError('<strong>Ruh roh!</strong> Could not parse less files.', err)
}
result = {
'bootstrap.css' : cw + tree.toCSS(),
'bootstrap.min.css' : cw + tree.toCSS({ compress: true })
}
})
compileLESS(bsLessSource, 'bootstrap', result)
} catch (err) {
return showError('<strong>Ruh roh!</strong> Could not parse less files.', err)
}