summaryrefslogtreecommitdiff
path: root/node_modules/tailwindcss/src/util/normalizeScreens.js
diff options
context:
space:
mode:
authorPhilipp Tanlak <philipp.tanlak@gmail.com>2025-11-24 20:54:57 +0100
committerPhilipp Tanlak <philipp.tanlak@gmail.com>2025-11-24 20:57:48 +0100
commitb1e2c8fd5cb5dfa46bc440a12eafaf56cd844b1c (patch)
tree49d360fd6cbc6a2754efe93524ac47ff0fbe0f7d /node_modules/tailwindcss/src/util/normalizeScreens.js
Docs
Diffstat (limited to 'node_modules/tailwindcss/src/util/normalizeScreens.js')
-rw-r--r--node_modules/tailwindcss/src/util/normalizeScreens.js140
1 files changed, 140 insertions, 0 deletions
diff --git a/node_modules/tailwindcss/src/util/normalizeScreens.js b/node_modules/tailwindcss/src/util/normalizeScreens.js
new file mode 100644
index 0000000..559f7cc
--- /dev/null
+++ b/node_modules/tailwindcss/src/util/normalizeScreens.js
@@ -0,0 +1,140 @@
+/**
+ * @typedef {object} ScreenValue
+ * @property {number|undefined} min
+ * @property {number|undefined} max
+ * @property {string|undefined} raw
+ */
+
+/**
+ * @typedef {object} Screen
+ * @property {string} name
+ * @property {boolean} not
+ * @property {ScreenValue[]} values
+ */
+
+/**
+ * A function that normalizes the various forms that the screens object can be
+ * provided in.
+ *
+ * Input(s):
+ * - ['100px', '200px'] // Raw strings
+ * - { sm: '100px', md: '200px' } // Object with string values
+ * - { sm: { min: '100px' }, md: { max: '100px' } } // Object with object values
+ * - { sm: [{ min: '100px' }, { max: '200px' }] } // Object with object array (multiple values)
+ *
+ * Output(s):
+ * - [{ name: 'sm', values: [{ min: '100px', max: '200px' }] }] // List of objects, that contains multiple values
+ *
+ * @returns {Screen[]}
+ */
+export function normalizeScreens(screens, root = true) {
+ if (Array.isArray(screens)) {
+ return screens.map((screen) => {
+ if (root && Array.isArray(screen)) {
+ throw new Error('The tuple syntax is not supported for `screens`.')
+ }
+
+ if (typeof screen === 'string') {
+ return { name: screen.toString(), not: false, values: [{ min: screen, max: undefined }] }
+ }
+
+ let [name, options] = screen
+ name = name.toString()
+
+ if (typeof options === 'string') {
+ return { name, not: false, values: [{ min: options, max: undefined }] }
+ }
+
+ if (Array.isArray(options)) {
+ return { name, not: false, values: options.map((option) => resolveValue(option)) }
+ }
+
+ return { name, not: false, values: [resolveValue(options)] }
+ })
+ }
+
+ return normalizeScreens(Object.entries(screens ?? {}), false)
+}
+
+/**
+ * @param {Screen} screen
+ * @returns {{result: false, reason: string} | {result: true, reason: null}}
+ */
+export function isScreenSortable(screen) {
+ if (screen.values.length !== 1) {
+ return { result: false, reason: 'multiple-values' }
+ } else if (screen.values[0].raw !== undefined) {
+ return { result: false, reason: 'raw-values' }
+ } else if (screen.values[0].min !== undefined && screen.values[0].max !== undefined) {
+ return { result: false, reason: 'min-and-max' }
+ }
+
+ return { result: true, reason: null }
+}
+
+/**
+ * @param {'min' | 'max'} type
+ * @param {Screen | 'string'} a
+ * @param {Screen | 'string'} z
+ * @returns {number}
+ */
+export function compareScreens(type, a, z) {
+ let aScreen = toScreen(a, type)
+ let zScreen = toScreen(z, type)
+
+ let aSorting = isScreenSortable(aScreen)
+ let bSorting = isScreenSortable(zScreen)
+
+ // These cases should never happen and indicate a bug in Tailwind CSS itself
+ if (aSorting.reason === 'multiple-values' || bSorting.reason === 'multiple-values') {
+ throw new Error(
+ 'Attempted to sort a screen with multiple values. This should never happen. Please open a bug report.'
+ )
+ } else if (aSorting.reason === 'raw-values' || bSorting.reason === 'raw-values') {
+ throw new Error(
+ 'Attempted to sort a screen with raw values. This should never happen. Please open a bug report.'
+ )
+ } else if (aSorting.reason === 'min-and-max' || bSorting.reason === 'min-and-max') {
+ throw new Error(
+ 'Attempted to sort a screen with both min and max values. This should never happen. Please open a bug report.'
+ )
+ }
+
+ // Let the sorting begin
+ let { min: aMin, max: aMax } = aScreen.values[0]
+ let { min: zMin, max: zMax } = zScreen.values[0]
+
+ // Negating screens flip their behavior. Basically `not min-width` is `max-width`
+ if (a.not) [aMin, aMax] = [aMax, aMin]
+ if (z.not) [zMin, zMax] = [zMax, zMin]
+
+ aMin = aMin === undefined ? aMin : parseFloat(aMin)
+ aMax = aMax === undefined ? aMax : parseFloat(aMax)
+ zMin = zMin === undefined ? zMin : parseFloat(zMin)
+ zMax = zMax === undefined ? zMax : parseFloat(zMax)
+
+ let [aValue, zValue] = type === 'min' ? [aMin, zMin] : [zMax, aMax]
+
+ return aValue - zValue
+}
+
+/**
+ *
+ * @param {PartialScreen> | string} value
+ * @param {'min' | 'max'} type
+ * @returns {Screen}
+ */
+export function toScreen(value, type) {
+ if (typeof value === 'object') {
+ return value
+ }
+
+ return {
+ name: 'arbitrary-screen',
+ values: [{ [type]: value }],
+ }
+}
+
+function resolveValue({ 'min-width': _minWidth, min = _minWidth, max, raw } = {}) {
+ return { min, max, raw }
+}