@zag-js/file-upload
Version:
Core logic for the file-upload widget implemented as a state machine
359 lines (357 loc) • 14 kB
JavaScript
;
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
// src/file-upload.connect.ts
var file_upload_connect_exports = {};
__export(file_upload_connect_exports, {
connect: () => connect
});
module.exports = __toCommonJS(file_upload_connect_exports);
var import_dom_query = require("@zag-js/dom-query");
var import_file_utils = require("@zag-js/file-utils");
var import_i18n_utils = require("@zag-js/i18n-utils");
var import_types = require("@zag-js/types");
var import_utils = require("@zag-js/utils");
var import_file_upload = require("./file-upload.anatomy.js");
var dom = __toESM(require("./file-upload.dom.js"));
var import_file_upload2 = require("./file-upload.utils.js");
var DEFAULT_ITEM_TYPE = "accepted";
var INTERACTIVE_SELECTOR = "button, a[href], input:not([type='file']), select, textarea, [tabindex], [contenteditable]";
function isInteractiveTarget(element, container) {
if (!element || element.getAttribute("type") === "file") return false;
const interactive = element.closest(INTERACTIVE_SELECTOR);
return interactive != container && (0, import_dom_query.contains)(container, interactive);
}
function connect(service, normalize) {
const { state, send, prop, computed, scope, context } = service;
const disabled = !!prop("disabled");
const readOnly = !!prop("readOnly");
const required = !!prop("required");
const allowDrop = prop("allowDrop");
const translations = prop("translations");
const dragging = state.matches("dragging");
const focused = state.matches("focused") && !disabled;
const acceptedFiles = context.get("acceptedFiles");
const maxFiles = prop("maxFiles");
return {
dragging,
focused,
disabled,
readOnly,
transforming: context.get("transforming"),
maxFilesReached: acceptedFiles.length >= maxFiles,
remainingFiles: Math.max(0, maxFiles - acceptedFiles.length),
openFilePicker() {
if (disabled || readOnly) return;
send({ type: "OPEN" });
},
deleteFile(file, type = DEFAULT_ITEM_TYPE) {
if (disabled || readOnly) return;
send({ type: "FILE.DELETE", file, itemType: type });
},
acceptedFiles,
rejectedFiles: context.get("rejectedFiles"),
setFiles(files) {
if (disabled || readOnly) return;
send({ type: "FILES.SET", files, count: files.length });
},
clearRejectedFiles() {
if (disabled || readOnly) return;
send({ type: "REJECTED_FILES.CLEAR" });
},
clearFiles() {
if (disabled || readOnly) return;
send({ type: "FILES.CLEAR" });
},
getFileSize(file) {
return (0, import_i18n_utils.formatBytes)(file.size, prop("locale"));
},
createFileUrl(file, cb) {
const win = scope.getWin();
const url = win.URL.createObjectURL(file);
cb(url);
return () => win.URL.revokeObjectURL(url);
},
setClipboardFiles(dt) {
if (disabled || readOnly) return false;
const items = Array.from(dt?.items ?? []);
const files = items.reduce((acc, item) => {
if (item.kind !== "file") return acc;
const file = item.getAsFile();
if (!file) return acc;
return [...acc, file];
}, []);
if (!files.length) return false;
send({ type: "FILE.SELECT", files });
return true;
},
getRootProps() {
return normalize.element({
...import_file_upload.parts.root.attrs,
dir: prop("dir"),
id: dom.getRootId(scope),
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-readonly": (0, import_dom_query.dataAttr)(readOnly),
"data-dragging": (0, import_dom_query.dataAttr)(dragging)
});
},
getDropzoneProps(props = {}) {
return normalize.element({
...import_file_upload.parts.dropzone.attrs,
dir: prop("dir"),
id: dom.getDropzoneId(scope),
tabIndex: disabled || readOnly || props.disableClick ? void 0 : 0,
role: props.disableClick ? "application" : "button",
"aria-label": translations.dropzone,
"aria-disabled": disabled || readOnly || void 0,
"data-invalid": (0, import_dom_query.dataAttr)(prop("invalid")),
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-readonly": (0, import_dom_query.dataAttr)(readOnly),
"data-dragging": (0, import_dom_query.dataAttr)(dragging),
onKeyDown(event) {
if (disabled || readOnly) return;
if (event.defaultPrevented) return;
const target = (0, import_dom_query.getEventTarget)(event);
if (!(0, import_dom_query.contains)(event.currentTarget, target)) return;
if (isInteractiveTarget(target, event.currentTarget)) return;
if (props.disableClick) return;
if (event.key !== "Enter" && event.key !== " ") return;
send({ type: "DROPZONE.CLICK", src: "keydown" });
},
onClick(event) {
if (disabled || readOnly) return;
if (event.defaultPrevented) return;
if (props.disableClick) return;
const target = (0, import_dom_query.getEventTarget)(event);
if (!(0, import_dom_query.contains)(event.currentTarget, target)) return;
if (isInteractiveTarget(target, event.currentTarget)) return;
if (event.currentTarget.localName === "label") {
event.preventDefault();
}
send({ type: "DROPZONE.CLICK" });
},
onDragOver(event) {
if (disabled || readOnly) return;
if (!allowDrop) return;
event.preventDefault();
event.stopPropagation();
try {
event.dataTransfer.dropEffect = "copy";
} catch {
}
const hasFiles = (0, import_file_upload2.isEventWithFiles)(event);
if (!hasFiles) return;
const count = event.dataTransfer.items.length;
send({ type: "DROPZONE.DRAG_OVER", count });
},
onDragLeave(event) {
if (disabled || readOnly) return;
if (!allowDrop) return;
if ((0, import_dom_query.contains)(event.currentTarget, event.relatedTarget)) return;
send({ type: "DROPZONE.DRAG_LEAVE" });
},
onDrop(event) {
if (disabled || readOnly) return;
if (allowDrop) {
event.preventDefault();
event.stopPropagation();
}
const hasFiles = (0, import_file_upload2.isEventWithFiles)(event);
if (!hasFiles) return;
(0, import_file_utils.getFileEntries)(event.dataTransfer.items, prop("directory")).then((files) => {
send({ type: "DROPZONE.DROP", files: (0, import_utils.flatArray)(files) });
});
},
onFocus() {
if (disabled || readOnly) return;
send({ type: "DROPZONE.FOCUS" });
},
onBlur() {
if (disabled || readOnly) return;
send({ type: "DROPZONE.BLUR" });
}
});
},
getTriggerProps() {
return normalize.button({
...import_file_upload.parts.trigger.attrs,
dir: prop("dir"),
id: dom.getTriggerId(scope),
disabled: disabled || readOnly,
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-readonly": (0, import_dom_query.dataAttr)(readOnly),
"data-invalid": (0, import_dom_query.dataAttr)(prop("invalid")),
type: "button",
onClick(event) {
if (disabled || readOnly) return;
if ((0, import_dom_query.contains)(dom.getDropzoneEl(scope), event.currentTarget)) {
event.stopPropagation();
}
send({ type: "OPEN" });
}
});
},
getHiddenInputProps() {
return normalize.input({
id: dom.getHiddenInputId(scope),
tabIndex: -1,
disabled: disabled || readOnly,
type: "file",
required: prop("required"),
capture: prop("capture"),
name: prop("name"),
accept: computed("acceptAttr"),
webkitdirectory: prop("directory") ? "" : void 0,
multiple: computed("multiple") || prop("maxFiles") > 1,
// exclude from accessibility tree since the dropzone/trigger provides the accessible interface
"aria-hidden": true,
onClick(event) {
event.stopPropagation();
event.currentTarget.value = "";
},
onInput(event) {
if (disabled || readOnly) return;
const { files } = event.currentTarget;
send({ type: "FILE.SELECT", files: files ? Array.from(files) : [] });
},
style: import_dom_query.visuallyHiddenStyle
});
},
getItemGroupProps(props = {}) {
const { type = DEFAULT_ITEM_TYPE } = props;
return normalize.element({
...import_file_upload.parts.itemGroup.attrs,
dir: prop("dir"),
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-type": type
});
},
getItemProps(props) {
const { file, type = DEFAULT_ITEM_TYPE } = props;
return normalize.element({
...import_file_upload.parts.item.attrs,
dir: prop("dir"),
id: dom.getItemId(scope, dom.getFileId(file)),
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-type": type
});
},
getItemNameProps(props) {
const { file, type = DEFAULT_ITEM_TYPE } = props;
return normalize.element({
...import_file_upload.parts.itemName.attrs,
dir: prop("dir"),
id: dom.getItemNameId(scope, dom.getFileId(file)),
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-type": type
});
},
getItemSizeTextProps(props) {
const { file, type = DEFAULT_ITEM_TYPE } = props;
return normalize.element({
...import_file_upload.parts.itemSizeText.attrs,
dir: prop("dir"),
id: dom.getItemSizeTextId(scope, dom.getFileId(file)),
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-type": type
});
},
getItemPreviewProps(props) {
const { file, type = DEFAULT_ITEM_TYPE } = props;
return normalize.element({
...import_file_upload.parts.itemPreview.attrs,
dir: prop("dir"),
id: dom.getItemPreviewId(scope, dom.getFileId(file)),
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-type": type
});
},
getItemPreviewImageProps(props) {
const { file, url, type = DEFAULT_ITEM_TYPE } = props;
const isImage = file.type.startsWith("image/");
if (!isImage) {
throw new Error("Preview Image is only supported for image files");
}
return normalize.img({
...import_file_upload.parts.itemPreviewImage.attrs,
alt: translations.itemPreview?.(file),
src: url,
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-type": type
});
},
getItemDeleteTriggerProps(props) {
const { file, type = DEFAULT_ITEM_TYPE } = props;
return normalize.button({
...import_file_upload.parts.itemDeleteTrigger.attrs,
dir: prop("dir"),
id: dom.getItemDeleteTriggerId(scope, dom.getFileId(file)),
type: "button",
disabled: disabled || readOnly,
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-readonly": (0, import_dom_query.dataAttr)(readOnly),
"data-type": type,
"aria-label": translations.deleteFile?.(file),
onClick() {
if (disabled || readOnly) return;
send({ type: "FILE.DELETE", file, itemType: type });
}
});
},
getLabelProps() {
return normalize.label({
...import_file_upload.parts.label.attrs,
dir: prop("dir"),
id: dom.getLabelId(scope),
htmlFor: dom.getHiddenInputId(scope),
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-required": (0, import_dom_query.dataAttr)(required)
});
},
getClearTriggerProps() {
return normalize.button({
...import_file_upload.parts.clearTrigger.attrs,
dir: prop("dir"),
type: "button",
disabled: disabled || readOnly,
hidden: acceptedFiles.length === 0,
"data-disabled": (0, import_dom_query.dataAttr)(disabled),
"data-readonly": (0, import_dom_query.dataAttr)(readOnly),
onClick(event) {
if (event.defaultPrevented) return;
if (disabled || readOnly) return;
send({ type: "FILES.CLEAR" });
}
});
}
};
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
connect
});