normalizeScreens.js
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/**
* @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[]}
*/ "use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
normalizeScreens: ()=>normalizeScreens,
isScreenSortable: ()=>isScreenSortable,
compareScreens: ()=>compareScreens,
toScreen: ()=>toScreen
});
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 !== null && screens !== void 0 ? screens : {}), false);
}
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
};
}
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;
}
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
};
}