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node_modules/bits-ui/dist/internal/date-time/field/helpers.js

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+import { styleToString } from "svelte-toolbelt";
+import { getPlaceholder } from "../placeholders.js";
+import { hasTime, isZonedDateTime } from "../utils.js";
+import { ALL_SEGMENT_PARTS, DATE_SEGMENT_PARTS, EDITABLE_SEGMENT_PARTS, EDITABLE_TIME_SEGMENT_PARTS, } from "./parts.js";
+import { getSegments } from "./segments.js";
+import { isBrowser, isNull, isNumberString } from "../../is.js";
+import { useId } from "../../use-id.js";
+import { kbd } from "../../kbd.js";
+export function initializeSegmentValues(granularity) {
+    const calendarDateTimeGranularities = ["hour", "minute", "second"];
+    const initialParts = EDITABLE_SEGMENT_PARTS.map((part) => {
+        if (part === "dayPeriod") {
+            return [part, "AM"];
+        }
+        return [part, null];
+    }).filter(([key]) => {
+        if (key === "literal" || key === null)
+            return false;
+        if (granularity === "day") {
+            return !calendarDateTimeGranularities.includes(key);
+        }
+        else {
+            return true;
+        }
+    });
+    return Object.fromEntries(initialParts);
+}
+function createContentObj(props) {
+    const { segmentValues, formatter, locale, dateRef } = props;
+    const content = Object.keys(segmentValues).reduce((obj, part) => {
+        if (!isSegmentPart(part))
+            return obj;
+        if ("hour" in segmentValues && part === "dayPeriod") {
+            const value = segmentValues[part];
+            if (!isNull(value)) {
+                obj[part] = value;
+            }
+            else {
+                obj[part] = getPlaceholder(part, "AM", locale);
+            }
+        }
+        else {
+            obj[part] = getPartContent(part);
+        }
+        return obj;
+    }, {});
+    function getPartContent(part) {
+        if ("hour" in segmentValues) {
+            const value = segmentValues[part];
+            const leadingZero = typeof value === "string" && value?.startsWith("0");
+            const intValue = value !== null ? Number.parseInt(value) : null;
+            if (value === "0" && part !== "year") {
+                return "0";
+            }
+            else if (!isNull(value) && !isNull(intValue)) {
+                const formatted = formatter.part(dateRef.set({ [part]: value }), part, {
+                    hourCycle: props.hourCycle === 24 ? "h23" : undefined,
+                });
+                /**
+                 * If we're operating in a 12 hour clock and the part is an hour, we handle
+                 * the conversion to 12 hour format with 2 digit hours and leading zeros here.
+                 */
+                const is12HourMode = props.hourCycle === 12 ||
+                    (props.hourCycle === undefined && getDefaultHourCycle(locale) === 12);
+                if (part === "hour" && is12HourMode) {
+                    /**
+                     * If the value is over 12, we convert to 12 hour format and add leading
+                     * zeroes if the value is less than 10.
+                     */
+                    if (intValue > 12) {
+                        const hour = intValue - 12;
+                        if (hour === 0) {
+                            return "12";
+                        }
+                        else if (hour < 10) {
+                            return `0${hour}`;
+                        }
+                        else {
+                            return `${hour}`;
+                        }
+                    }
+                    /**
+                     * If the value is 0, we convert to 12, since 0 is not a valid 12 hour time.
+                     */
+                    if (intValue === 0) {
+                        return "12";
+                    }
+                    /**
+                     * If the value is less than 10, we add a leading zero to the value.
+                     */
+                    if (intValue < 10) {
+                        return `0${intValue}`;
+                    }
+                    /**
+                     * Otherwise, we don't need to do anything to the value.
+                     */
+                    return `${intValue}`;
+                }
+                if (part === "year") {
+                    return `${value}`;
+                }
+                if (leadingZero && formatted.length === 1) {
+                    return `0${formatted}`;
+                }
+                return formatted;
+            }
+            else {
+                return getPlaceholder(part, "", locale);
+            }
+        }
+        else {
+            if (isDateSegmentPart(part)) {
+                const value = segmentValues[part];
+                const leadingZero = typeof value === "string" && value?.startsWith("0");
+                if (value === "0") {
+                    return "0";
+                }
+                else if (!isNull(value)) {
+                    const formatted = formatter.part(dateRef.set({ [part]: value }), part);
+                    if (part === "year") {
+                        return `${value}`;
+                    }
+                    if (leadingZero && formatted.length === 1) {
+                        return `0${formatted}`;
+                    }
+                    return formatted;
+                }
+                else {
+                    return getPlaceholder(part, "", locale);
+                }
+            }
+            return "";
+        }
+    }
+    return content;
+}
+function createContentArr(props) {
+    const { granularity, dateRef, formatter, contentObj, hideTimeZone, hourCycle } = props;
+    const parts = formatter.toParts(dateRef, getOptsByGranularity(granularity, hourCycle));
+    const segmentContentArr = parts
+        .map((part) => {
+        const defaultParts = ["literal", "dayPeriod", "timeZoneName", null];
+        if (defaultParts.includes(part.type) || !isSegmentPart(part.type)) {
+            return {
+                part: part.type,
+                value: part.value,
+            };
+        }
+        return {
+            part: part.type,
+            value: contentObj[part.type],
+        };
+    })
+        .filter((segment) => {
+        if (isNull(segment.part) || isNull(segment.value))
+            return false;
+        if (segment.part === "timeZoneName" && (!isZonedDateTime(dateRef) || hideTimeZone)) {
+            return false;
+        }
+        return true;
+    });
+    return segmentContentArr;
+}
+export function createContent(props) {
+    const contentObj = createContentObj(props);
+    const contentArr = createContentArr({
+        contentObj,
+        ...props,
+    });
+    return {
+        obj: contentObj,
+        arr: contentArr,
+    };
+}
+function getOptsByGranularity(granularity, hourCycle) {
+    const opts = {
+        year: "numeric",
+        month: "2-digit",
+        day: "2-digit",
+        hour: "2-digit",
+        minute: "2-digit",
+        second: "2-digit",
+        timeZoneName: "short",
+        hourCycle: hourCycle === 24 ? "h23" : undefined,
+        hour12: hourCycle === 24 ? false : undefined,
+    };
+    if (granularity === "day") {
+        delete opts.second;
+        delete opts.hour;
+        delete opts.minute;
+        delete opts.timeZoneName;
+    }
+    if (granularity === "hour") {
+        delete opts.minute;
+    }
+    if (granularity === "minute") {
+        delete opts.second;
+    }
+    return opts;
+}
+export function initSegmentStates() {
+    return EDITABLE_SEGMENT_PARTS.reduce((acc, key) => {
+        acc[key] = {
+            lastKeyZero: false,
+            hasLeftFocus: true,
+            updating: null,
+        };
+        return acc;
+    }, {});
+}
+export function initSegmentIds() {
+    return Object.fromEntries(ALL_SEGMENT_PARTS.map((part) => {
+        return [part, useId()];
+    }).filter(([key]) => key !== "literal"));
+}
+export function isDateSegmentPart(part) {
+    return DATE_SEGMENT_PARTS.includes(part);
+}
+export function isSegmentPart(part) {
+    return EDITABLE_SEGMENT_PARTS.includes(part);
+}
+export function isAnySegmentPart(part) {
+    return ALL_SEGMENT_PARTS.includes(part);
+}
+/**
+ * Get the segments being used/ are rendered in the DOM.
+ * We're using this to determine when to set the value of
+ * the date picker, which is when all the segments have
+ * been filled.
+ */
+function getUsedSegments(fieldNode) {
+    if (!isBrowser || !fieldNode)
+        return [];
+    const usedSegments = getSegments(fieldNode)
+        .map((el) => el.dataset.segment)
+        .filter((part) => {
+        return EDITABLE_SEGMENT_PARTS.includes(part);
+    });
+    return usedSegments;
+}
+export function getValueFromSegments(props) {
+    const { segmentObj, fieldNode, dateRef } = props;
+    const usedSegments = getUsedSegments(fieldNode);
+    let date = dateRef;
+    for (const part of usedSegments) {
+        if ("hour" in segmentObj) {
+            const value = segmentObj[part];
+            if (isNull(value))
+                continue;
+            date = date.set({ [part]: segmentObj[part] });
+        }
+        else if (isDateSegmentPart(part)) {
+            const value = segmentObj[part];
+            if (isNull(value))
+                continue;
+            date = date.set({ [part]: segmentObj[part] });
+        }
+    }
+    return date;
+}
+/**
+ * Check if all the segments being used have been filled.
+ * We use this to determine when we should set the value
+ * store of the date field(s).
+ *
+ * @param segmentValues - The current `SegmentValueObj`
+ * @param fieldNode  - The id of the date field
+ */
+export function areAllSegmentsFilled(segmentValues, fieldNode) {
+    const usedSegments = getUsedSegments(fieldNode);
+    for (const part of usedSegments) {
+        if ("hour" in segmentValues) {
+            if (segmentValues[part] === null) {
+                return false;
+            }
+        }
+        else if (isDateSegmentPart(part)) {
+            if (segmentValues[part] === null) {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+/**
+ * Determines if the provided object is a valid `DateAndTimeSegmentObj`
+ * by checking if it has the correct keys and values for each key.
+ */
+export function isDateAndTimeSegmentObj(obj) {
+    if (typeof obj !== "object" || obj === null) {
+        return false;
+    }
+    return Object.entries(obj).every(([key, value]) => {
+        const validKey = EDITABLE_TIME_SEGMENT_PARTS.includes(key) ||
+            DATE_SEGMENT_PARTS.includes(key);
+        const validValue = key === "dayPeriod"
+            ? value === "AM" || value === "PM" || value === null
+            : typeof value === "string" || typeof value === "number" || value === null;
+        return validKey && validValue;
+    });
+}
+/**
+ * Infer the granularity to use based on the
+ * value and granularity props.
+ */
+export function inferGranularity(value, granularity) {
+    if (granularity)
+        return granularity;
+    if (hasTime(value))
+        return "minute";
+    return "day";
+}
+export function isAcceptableSegmentKey(key) {
+    const acceptableSegmentKeys = [
+        kbd.ENTER,
+        kbd.ARROW_UP,
+        kbd.ARROW_DOWN,
+        kbd.ARROW_LEFT,
+        kbd.ARROW_RIGHT,
+        kbd.BACKSPACE,
+        kbd.SPACE,
+    ];
+    if (acceptableSegmentKeys.includes(key))
+        return true;
+    if (isNumberString(key))
+        return true;
+    return false;
+}
+/**
+ * Determines if the element with the provided id is the first focusable
+ * segment in the date field with the provided fieldId.
+ *
+ * @param id - The id of the element to check if it's the first segment
+ * @param fieldNode - The id of the date field associated with the segment
+ */
+export function isFirstSegment(id, fieldNode) {
+    if (!isBrowser)
+        return false;
+    const segments = getSegments(fieldNode);
+    return segments.length ? segments[0].id === id : false;
+}
+/**
+ * Creates or updates a description element for a date field
+ * which enables screen readers to read the date field's value.
+ *
+ * This element is hidden from view, and is portalled to the body
+ * so it can be associated via `aria-describedby` and read by
+ * screen readers as the user interacts with the date field.
+ */
+export function setDescription(props) {
+    const { id, formatter, value, doc } = props;
+    if (!isBrowser)
+        return;
+    const valueString = formatter.selectedDate(value);
+    const el = doc.getElementById(id);
+    if (!el) {
+        const div = doc.createElement("div");
+        div.style.cssText = styleToString({
+            display: "none",
+        });
+        div.id = id;
+        div.innerText = `Selected Date: ${valueString}`;
+        doc.body.appendChild(div);
+    }
+    else {
+        el.innerText = `Selected Date: ${valueString}`;
+    }
+}
+/**
+ * Removes the description element for the date field with
+ * the provided ID. This function should be called when the
+ * date field is unmounted.
+ */
+export function removeDescriptionElement(id, doc) {
+    if (!isBrowser)
+        return;
+    const el = doc.getElementById(id);
+    if (!el)
+        return;
+    doc.body.removeChild(el);
+}
+export function getDefaultHourCycle(locale) {
+    const formatter = new Intl.DateTimeFormat(locale, { hour: "numeric" });
+    const parts = formatter.formatToParts(new Date("2023-01-01T13:00:00"));
+    const hourPart = parts.find((part) => part.type === "hour");
+    return hourPart?.value === "1" ? 12 : 24;
+}