diff options
Diffstat (limited to 'node_modules/clean-css/lib/optimizer/level-2/break-up.js')
| -rw-r--r-- | node_modules/clean-css/lib/optimizer/level-2/break-up.js | 644 |
1 files changed, 0 insertions, 644 deletions
diff --git a/node_modules/clean-css/lib/optimizer/level-2/break-up.js b/node_modules/clean-css/lib/optimizer/level-2/break-up.js deleted file mode 100644 index 5301cb89..00000000 --- a/node_modules/clean-css/lib/optimizer/level-2/break-up.js +++ /dev/null @@ -1,644 +0,0 @@ -var InvalidPropertyError = require('./invalid-property-error'); - -var wrapSingle = require('../wrap-for-optimizing').single; - -var Token = require('../../tokenizer/token'); -var Marker = require('../../tokenizer/marker'); - -var formatPosition = require('../../utils/format-position'); - -function _anyIsInherit(values) { - var i, l; - - for (i = 0, l = values.length; i < l; i++) { - if (values[i][1] == 'inherit') { - return true; - } - } - - return false; -} - -function _colorFilter(validator) { - return function (value) { - return value[1] == 'invert' || validator.isColor(value[1]) || validator.isPrefixed(value[1]); - }; -} - -function _styleFilter(validator) { - return function (value) { - return value[1] != 'inherit' && validator.isStyleKeyword(value[1]) && !validator.isColorFunction(value[1]); - }; -} - -function _wrapDefault(name, property, compactable) { - var descriptor = compactable[name]; - if (descriptor.doubleValues && descriptor.defaultValue.length == 2) { - return wrapSingle([ - Token.PROPERTY, - [Token.PROPERTY_NAME, name], - [Token.PROPERTY_VALUE, descriptor.defaultValue[0]], - [Token.PROPERTY_VALUE, descriptor.defaultValue[1]] - ]); - } else if (descriptor.doubleValues && descriptor.defaultValue.length == 1) { - return wrapSingle([ - Token.PROPERTY, - [Token.PROPERTY_NAME, name], - [Token.PROPERTY_VALUE, descriptor.defaultValue[0]] - ]); - } else { - return wrapSingle([ - Token.PROPERTY, - [Token.PROPERTY_NAME, name], - [Token.PROPERTY_VALUE, descriptor.defaultValue] - ]); - } -} - -function _widthFilter(validator) { - return function (value) { - return value[1] != 'inherit' && - (validator.isWidth(value[1]) || validator.isUnit(value[1]) && !validator.isDynamicUnit(value[1])) && - !validator.isStyleKeyword(value[1]) && - !validator.isColorFunction(value[1]); - }; -} - -function animation(property, compactable, validator) { - var duration = _wrapDefault(property.name + '-duration', property, compactable); - var timing = _wrapDefault(property.name + '-timing-function', property, compactable); - var delay = _wrapDefault(property.name + '-delay', property, compactable); - var iteration = _wrapDefault(property.name + '-iteration-count', property, compactable); - var direction = _wrapDefault(property.name + '-direction', property, compactable); - var fill = _wrapDefault(property.name + '-fill-mode', property, compactable); - var play = _wrapDefault(property.name + '-play-state', property, compactable); - var name = _wrapDefault(property.name + '-name', property, compactable); - var components = [duration, timing, delay, iteration, direction, fill, play, name]; - var values = property.value; - var value; - var durationSet = false; - var timingSet = false; - var delaySet = false; - var iterationSet = false; - var directionSet = false; - var fillSet = false; - var playSet = false; - var nameSet = false; - var i; - var l; - - if (property.value.length == 1 && property.value[0][1] == 'inherit') { - duration.value = timing.value = delay.value = iteration.value = direction.value = fill.value = play.value = name.value = property.value; - return components; - } - - if (values.length > 1 && _anyIsInherit(values)) { - throw new InvalidPropertyError('Invalid animation values at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } - - for (i = 0, l = values.length; i < l; i++) { - value = values[i]; - - if (validator.isTime(value[1]) && !durationSet) { - duration.value = [value]; - durationSet = true; - } else if (validator.isTime(value[1]) && !delaySet) { - delay.value = [value]; - delaySet = true; - } else if ((validator.isGlobal(value[1]) || validator.isTimingFunction(value[1])) && !timingSet) { - timing.value = [value]; - timingSet = true; - } else if ((validator.isAnimationIterationCountKeyword(value[1]) || validator.isPositiveNumber(value[1])) && !iterationSet) { - iteration.value = [value]; - iterationSet = true; - } else if (validator.isAnimationDirectionKeyword(value[1]) && !directionSet) { - direction.value = [value]; - directionSet = true; - } else if (validator.isAnimationFillModeKeyword(value[1]) && !fillSet) { - fill.value = [value]; - fillSet = true; - } else if (validator.isAnimationPlayStateKeyword(value[1]) && !playSet) { - play.value = [value]; - playSet = true; - } else if ((validator.isAnimationNameKeyword(value[1]) || validator.isIdentifier(value[1])) && !nameSet) { - name.value = [value]; - nameSet = true; - } else { - throw new InvalidPropertyError('Invalid animation value at ' + formatPosition(value[2][0]) + '. Ignoring.'); - } - } - - return components; -} - -function background(property, compactable, validator) { - var image = _wrapDefault('background-image', property, compactable); - var position = _wrapDefault('background-position', property, compactable); - var size = _wrapDefault('background-size', property, compactable); - var repeat = _wrapDefault('background-repeat', property, compactable); - var attachment = _wrapDefault('background-attachment', property, compactable); - var origin = _wrapDefault('background-origin', property, compactable); - var clip = _wrapDefault('background-clip', property, compactable); - var color = _wrapDefault('background-color', property, compactable); - var components = [image, position, size, repeat, attachment, origin, clip, color]; - var values = property.value; - - var positionSet = false; - var clipSet = false; - var originSet = false; - var repeatSet = false; - - var anyValueSet = false; - - if (property.value.length == 1 && property.value[0][1] == 'inherit') { - // NOTE: 'inherit' is not a valid value for background-attachment - color.value = image.value = repeat.value = position.value = size.value = origin.value = clip.value = property.value; - return components; - } - - if (property.value.length == 1 && property.value[0][1] == '0 0') { - return components; - } - - for (var i = values.length - 1; i >= 0; i--) { - var value = values[i]; - - if (validator.isBackgroundAttachmentKeyword(value[1])) { - attachment.value = [value]; - anyValueSet = true; - } else if (validator.isBackgroundClipKeyword(value[1]) || validator.isBackgroundOriginKeyword(value[1])) { - if (clipSet) { - origin.value = [value]; - originSet = true; - } else { - clip.value = [value]; - clipSet = true; - } - anyValueSet = true; - } else if (validator.isBackgroundRepeatKeyword(value[1])) { - if (repeatSet) { - repeat.value.unshift(value); - } else { - repeat.value = [value]; - repeatSet = true; - } - anyValueSet = true; - } else if (validator.isBackgroundPositionKeyword(value[1]) || validator.isBackgroundSizeKeyword(value[1]) || validator.isUnit(value[1]) || validator.isDynamicUnit(value[1])) { - if (i > 0) { - var previousValue = values[i - 1]; - - if (previousValue[1] == Marker.FORWARD_SLASH) { - size.value = [value]; - } else if (i > 1 && values[i - 2][1] == Marker.FORWARD_SLASH) { - size.value = [previousValue, value]; - i -= 2; - } else { - if (!positionSet) - position.value = []; - - position.value.unshift(value); - positionSet = true; - } - } else { - if (!positionSet) - position.value = []; - - position.value.unshift(value); - positionSet = true; - } - anyValueSet = true; - } else if ((color.value[0][1] == compactable[color.name].defaultValue || color.value[0][1] == 'none') && (validator.isColor(value[1]) || validator.isPrefixed(value[1]))) { - color.value = [value]; - anyValueSet = true; - } else if (validator.isUrl(value[1]) || validator.isFunction(value[1])) { - image.value = [value]; - anyValueSet = true; - } - } - - if (clipSet && !originSet) - origin.value = clip.value.slice(0); - - if (!anyValueSet) { - throw new InvalidPropertyError('Invalid background value at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } - - return components; -} - -function borderRadius(property, compactable) { - var values = property.value; - var splitAt = -1; - - for (var i = 0, l = values.length; i < l; i++) { - if (values[i][1] == Marker.FORWARD_SLASH) { - splitAt = i; - break; - } - } - - if (splitAt === 0 || splitAt === values.length - 1) { - throw new InvalidPropertyError('Invalid border-radius value at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } - - var target = _wrapDefault(property.name, property, compactable); - target.value = splitAt > -1 ? - values.slice(0, splitAt) : - values.slice(0); - target.components = fourValues(target, compactable); - - var remainder = _wrapDefault(property.name, property, compactable); - remainder.value = splitAt > -1 ? - values.slice(splitAt + 1) : - values.slice(0); - remainder.components = fourValues(remainder, compactable); - - for (var j = 0; j < 4; j++) { - target.components[j].multiplex = true; - target.components[j].value = target.components[j].value.concat(remainder.components[j].value); - } - - return target.components; -} - -function font(property, compactable, validator) { - var style = _wrapDefault('font-style', property, compactable); - var variant = _wrapDefault('font-variant', property, compactable); - var weight = _wrapDefault('font-weight', property, compactable); - var stretch = _wrapDefault('font-stretch', property, compactable); - var size = _wrapDefault('font-size', property, compactable); - var height = _wrapDefault('line-height', property, compactable); - var family = _wrapDefault('font-family', property, compactable); - var components = [style, variant, weight, stretch, size, height, family]; - var values = property.value; - var fuzzyMatched = 4; // style, variant, weight, and stretch - var index = 0; - var isStretchSet = false; - var isStretchValid; - var isStyleSet = false; - var isStyleValid; - var isVariantSet = false; - var isVariantValid; - var isWeightSet = false; - var isWeightValid; - var isSizeSet = false; - var appendableFamilyName = false; - - if (!values[index]) { - throw new InvalidPropertyError('Missing font values at ' + formatPosition(property.all[property.position][1][2][0]) + '. Ignoring.'); - } - - if (values.length == 1 && values[0][1] == 'inherit') { - style.value = variant.value = weight.value = stretch.value = size.value = height.value = family.value = values; - return components; - } - - if (values.length == 1 && (validator.isFontKeyword(values[0][1]) || validator.isGlobal(values[0][1]) || validator.isPrefixed(values[0][1]))) { - values[0][1] = Marker.INTERNAL + values[0][1]; - style.value = variant.value = weight.value = stretch.value = size.value = height.value = family.value = values; - return components; - } - - if (values.length < 2 || !_anyIsFontSize(values, validator) || !_anyIsFontFamily(values, validator)) { - throw new InvalidPropertyError('Invalid font values at ' + formatPosition(property.all[property.position][1][2][0]) + '. Ignoring.'); - } - - if (values.length > 1 && _anyIsInherit(values)) { - throw new InvalidPropertyError('Invalid font values at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } - - // fuzzy match style, variant, weight, and stretch on first elements - while (index < fuzzyMatched) { - isStretchValid = validator.isFontStretchKeyword(values[index][1]) || validator.isGlobal(values[index][1]); - isStyleValid = validator.isFontStyleKeyword(values[index][1]) || validator.isGlobal(values[index][1]); - isVariantValid = validator.isFontVariantKeyword(values[index][1]) || validator.isGlobal(values[index][1]); - isWeightValid = validator.isFontWeightKeyword(values[index][1]) || validator.isGlobal(values[index][1]); - - if (isStyleValid && !isStyleSet) { - style.value = [values[index]]; - isStyleSet = true; - } else if (isVariantValid && !isVariantSet) { - variant.value = [values[index]]; - isVariantSet = true; - } else if (isWeightValid && !isWeightSet) { - weight.value = [values[index]]; - isWeightSet = true; - } else if (isStretchValid && !isStretchSet) { - stretch.value = [values[index]]; - isStretchSet = true; - } else if (isStyleValid && isStyleSet || isVariantValid && isVariantSet || isWeightValid && isWeightSet || isStretchValid && isStretchSet) { - throw new InvalidPropertyError('Invalid font style / variant / weight / stretch value at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } else { - break; - } - - index++; - } - - // now comes font-size ... - if (validator.isFontSizeKeyword(values[index][1]) || validator.isUnit(values[index][1]) && !validator.isDynamicUnit(values[index][1])) { - size.value = [values[index]]; - isSizeSet = true; - index++; - } else { - throw new InvalidPropertyError('Missing font size at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } - - if (!values[index]) { - throw new InvalidPropertyError('Missing font family at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } - - // ... and perhaps line-height - if (isSizeSet && values[index] && values[index][1] == Marker.FORWARD_SLASH && values[index + 1] && (validator.isLineHeightKeyword(values[index + 1][1]) || validator.isUnit(values[index + 1][1]) || validator.isNumber(values[index + 1][1]))) { - height.value = [values[index + 1]]; - index++; - index++; - } - - // ... and whatever comes next is font-family - family.value = []; - - while (values[index]) { - if (values[index][1] == Marker.COMMA) { - appendableFamilyName = false; - } else { - if (appendableFamilyName) { - family.value[family.value.length - 1][1] += Marker.SPACE + values[index][1]; - } else { - family.value.push(values[index]); - } - - appendableFamilyName = true; - } - - index++; - } - - if (family.value.length === 0) { - throw new InvalidPropertyError('Missing font family at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } - - return components; -} - -function _anyIsFontSize(values, validator) { - var value; - var i, l; - - for (i = 0, l = values.length; i < l; i++) { - value = values[i]; - - if (validator.isFontSizeKeyword(value[1]) || validator.isUnit(value[1]) && !validator.isDynamicUnit(value[1]) || validator.isFunction(value[1])) { - return true; - } - } - - return false; -} - -function _anyIsFontFamily(values, validator) { - var value; - var i, l; - - for (i = 0, l = values.length; i < l; i++) { - value = values[i]; - - if (validator.isIdentifier(value[1])) { - return true; - } - } - - return false; -} - -function fourValues(property, compactable) { - var componentNames = compactable[property.name].components; - var components = []; - var value = property.value; - - if (value.length < 1) - return []; - - if (value.length < 2) - value[1] = value[0].slice(0); - if (value.length < 3) - value[2] = value[0].slice(0); - if (value.length < 4) - value[3] = value[1].slice(0); - - for (var i = componentNames.length - 1; i >= 0; i--) { - var component = wrapSingle([ - Token.PROPERTY, - [Token.PROPERTY_NAME, componentNames[i]] - ]); - component.value = [value[i]]; - components.unshift(component); - } - - return components; -} - -function multiplex(splitWith) { - return function (property, compactable, validator) { - var splitsAt = []; - var values = property.value; - var i, j, l, m; - - // find split commas - for (i = 0, l = values.length; i < l; i++) { - if (values[i][1] == ',') - splitsAt.push(i); - } - - if (splitsAt.length === 0) - return splitWith(property, compactable, validator); - - var splitComponents = []; - - // split over commas, and into components - for (i = 0, l = splitsAt.length; i <= l; i++) { - var from = i === 0 ? 0 : splitsAt[i - 1] + 1; - var to = i < l ? splitsAt[i] : values.length; - - var _property = _wrapDefault(property.name, property, compactable); - _property.value = values.slice(from, to); - - splitComponents.push(splitWith(_property, compactable, validator)); - } - - var components = splitComponents[0]; - - // group component values from each split - for (i = 0, l = components.length; i < l; i++) { - components[i].multiplex = true; - - for (j = 1, m = splitComponents.length; j < m; j++) { - components[i].value.push([Token.PROPERTY_VALUE, Marker.COMMA]); - Array.prototype.push.apply(components[i].value, splitComponents[j][i].value); - } - } - - return components; - }; -} - -function listStyle(property, compactable, validator) { - var type = _wrapDefault('list-style-type', property, compactable); - var position = _wrapDefault('list-style-position', property, compactable); - var image = _wrapDefault('list-style-image', property, compactable); - var components = [type, position, image]; - - if (property.value.length == 1 && property.value[0][1] == 'inherit') { - type.value = position.value = image.value = [property.value[0]]; - return components; - } - - var values = property.value.slice(0); - var total = values.length; - var index = 0; - - // `image` first... - for (index = 0, total = values.length; index < total; index++) { - if (validator.isUrl(values[index][1]) || values[index][1] == '0') { - image.value = [values[index]]; - values.splice(index, 1); - break; - } - } - - // ... then `position` - for (index = 0, total = values.length; index < total; index++) { - if (validator.isListStylePositionKeyword(values[index][1])) { - position.value = [values[index]]; - values.splice(index, 1); - break; - } - } - - // ... and what's left is a `type` - if (values.length > 0 && (validator.isListStyleTypeKeyword(values[0][1]) || validator.isIdentifier(values[0][1]))) { - type.value = [values[0]]; - } - - return components; -} - -function transition(property, compactable, validator) { - var prop = _wrapDefault(property.name + '-property', property, compactable); - var duration = _wrapDefault(property.name + '-duration', property, compactable); - var timing = _wrapDefault(property.name + '-timing-function', property, compactable); - var delay = _wrapDefault(property.name + '-delay', property, compactable); - var components = [prop, duration, timing, delay]; - var values = property.value; - var value; - var durationSet = false; - var delaySet = false; - var propSet = false; - var timingSet = false; - var i; - var l; - - if (property.value.length == 1 && property.value[0][1] == 'inherit') { - prop.value = duration.value = timing.value = delay.value = property.value; - return components; - } - - if (values.length > 1 && _anyIsInherit(values)) { - throw new InvalidPropertyError('Invalid animation values at ' + formatPosition(values[0][2][0]) + '. Ignoring.'); - } - - for (i = 0, l = values.length; i < l; i++) { - value = values[i]; - - if (validator.isTime(value[1]) && !durationSet) { - duration.value = [value]; - durationSet = true; - } else if (validator.isTime(value[1]) && !delaySet) { - delay.value = [value]; - delaySet = true; - } else if ((validator.isGlobal(value[1]) || validator.isTimingFunction(value[1])) && !timingSet) { - timing.value = [value]; - timingSet = true; - } else if (validator.isIdentifier(value[1]) && !propSet) { - prop.value = [value]; - propSet = true; - } else { - throw new InvalidPropertyError('Invalid animation value at ' + formatPosition(value[2][0]) + '. Ignoring.'); - } - } - - return components; -} - -function widthStyleColor(property, compactable, validator) { - var descriptor = compactable[property.name]; - var components = [ - _wrapDefault(descriptor.components[0], property, compactable), - _wrapDefault(descriptor.components[1], property, compactable), - _wrapDefault(descriptor.components[2], property, compactable) - ]; - var color, style, width; - - for (var i = 0; i < 3; i++) { - var component = components[i]; - - if (component.name.indexOf('color') > 0) - color = component; - else if (component.name.indexOf('style') > 0) - style = component; - else - width = component; - } - - if ((property.value.length == 1 && property.value[0][1] == 'inherit') || - (property.value.length == 3 && property.value[0][1] == 'inherit' && property.value[1][1] == 'inherit' && property.value[2][1] == 'inherit')) { - color.value = style.value = width.value = [property.value[0]]; - return components; - } - - var values = property.value.slice(0); - var match, matches; - - // NOTE: usually users don't follow the required order of parts in this shorthand, - // so we'll try to parse it caring as little about order as possible - - if (values.length > 0) { - matches = values.filter(_widthFilter(validator)); - match = matches.length > 1 && (matches[0][1] == 'none' || matches[0][1] == 'auto') ? matches[1] : matches[0]; - if (match) { - width.value = [match]; - values.splice(values.indexOf(match), 1); - } - } - - if (values.length > 0) { - match = values.filter(_styleFilter(validator))[0]; - if (match) { - style.value = [match]; - values.splice(values.indexOf(match), 1); - } - } - - if (values.length > 0) { - match = values.filter(_colorFilter(validator))[0]; - if (match) { - color.value = [match]; - values.splice(values.indexOf(match), 1); - } - } - - return components; -} - -module.exports = { - animation: animation, - background: background, - border: widthStyleColor, - borderRadius: borderRadius, - font: font, - fourValues: fourValues, - listStyle: listStyle, - multiplex: multiplex, - outline: widthStyleColor, - transition: transition -}; |