90 lines
3.0 KiB
Plaintext
90 lines
3.0 KiB
Plaintext
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"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.breakpointKeys = void 0;
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exports.default = createBreakpoints;
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var _objectWithoutPropertiesLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutPropertiesLoose"));
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var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
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const _excluded = ["values", "unit", "step"];
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// Sorted ASC by size. That's important.
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// It can't be configured as it's used statically for propTypes.
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const breakpointKeys = exports.breakpointKeys = ['xs', 'sm', 'md', 'lg', 'xl'];
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const sortBreakpointsValues = values => {
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const breakpointsAsArray = Object.keys(values).map(key => ({
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key,
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val: values[key]
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})) || [];
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// Sort in ascending order
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breakpointsAsArray.sort((breakpoint1, breakpoint2) => breakpoint1.val - breakpoint2.val);
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return breakpointsAsArray.reduce((acc, obj) => {
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return (0, _extends2.default)({}, acc, {
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[obj.key]: obj.val
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});
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}, {});
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};
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// Keep in mind that @media is inclusive by the CSS specification.
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function createBreakpoints(breakpoints) {
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const {
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// The breakpoint **start** at this value.
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// For instance with the first breakpoint xs: [xs, sm).
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values = {
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xs: 0,
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// phone
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sm: 600,
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// tablet
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md: 900,
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// small laptop
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lg: 1200,
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// desktop
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xl: 1536 // large screen
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},
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unit = 'px',
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step = 5
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} = breakpoints,
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other = (0, _objectWithoutPropertiesLoose2.default)(breakpoints, _excluded);
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const sortedValues = sortBreakpointsValues(values);
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const keys = Object.keys(sortedValues);
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function up(key) {
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const value = typeof values[key] === 'number' ? values[key] : key;
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return `@media (min-width:${value}${unit})`;
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}
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function down(key) {
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const value = typeof values[key] === 'number' ? values[key] : key;
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return `@media (max-width:${value - step / 100}${unit})`;
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}
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function between(start, end) {
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const endIndex = keys.indexOf(end);
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return `@media (min-width:${typeof values[start] === 'number' ? values[start] : start}${unit}) and ` + `(max-width:${(endIndex !== -1 && typeof values[keys[endIndex]] === 'number' ? values[keys[endIndex]] : end) - step / 100}${unit})`;
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}
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function only(key) {
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if (keys.indexOf(key) + 1 < keys.length) {
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return between(key, keys[keys.indexOf(key) + 1]);
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}
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return up(key);
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}
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function not(key) {
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// handle first and last key separately, for better readability
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const keyIndex = keys.indexOf(key);
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if (keyIndex === 0) {
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return up(keys[1]);
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}
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if (keyIndex === keys.length - 1) {
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return down(keys[keyIndex]);
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}
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return between(key, keys[keys.indexOf(key) + 1]).replace('@media', '@media not all and');
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}
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return (0, _extends2.default)({
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keys,
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values: sortedValues,
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up,
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down,
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between,
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only,
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not,
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unit
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}, other);
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}
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