wxlitian/miniprogram/miniprogram_npm/tdesign-miniprogram/upload/upload.js

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __rest = (this && this.__rest) || function (s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
};
import { isObject, SuperComponent, wxComponent } from '../common/src/index';
import props from './props';
import config from '../common/config';
const { prefix } = config;
const name = `${prefix}-upload`;
let Upload = class Upload extends SuperComponent {
    constructor() {
        super(...arguments);
        this.externalClasses = [`${prefix}-class`];
        this.options = {
            multipleSlots: true,
        };
        this.data = {
            classPrefix: name,
            prefix,
            current: false,
            proofs: [],
            customFiles: [],
            customLimit: 0,
            config: {},
            files: [],
            max: 0,
            sizeLimit: 0,
            requestMethod: null,
            gridItemStyle: '',
            column: 4,
        };
        this.properties = props;
        this.controlledProps = [
            {
                key: 'files',
                event: 'success',
            },
        ];
        this.observers = {
            files(files) {
                this.handleLimit(files, this.data.max);
            },
            max(max) {
                this.handleLimit(this.data.customFiles, max);
            },
            gridConfig() {
                this.updateGrid();
            },
        };
        this.methods = {
            onAddTap() {
                const { mediaType, source } = this.properties;
                if (source === 'media') {
                    this.chooseMedia(mediaType);
                }
                else {
                    this.chooseMessageFile(mediaType);
                }
            },
            chooseMedia(mediaType) {
                const { config, sizeLimit, max } = this.data;
                wx.chooseMedia(Object.assign(Object.assign({ count: max === 0 ? 9 : max, mediaType }, config), { success: (res) => {
                        const files = [];
                        res.tempFiles.forEach((temp) => {
                            const { size, fileType, tempFilePath, width, height, duration, thumbTempFilePath } = temp, res = __rest(temp, ["size", "fileType", "tempFilePath", "width", "height", "duration", "thumbTempFilePath"]);
                            if (sizeLimit && size > sizeLimit) {
                                wx.showToast({ icon: 'none', title: `${fileType === 'image' ? '图片' : '视频'}大小超过限制` });
                                return;
                            }
                            const name = this.getRandFileName(tempFilePath);
                            files.push(Object.assign({ name, type: this.getFileType(mediaType, tempFilePath, fileType), url: tempFilePath, size: size, width: width, height: height, duration: duration, thumb: thumbTempFilePath, percent: 0 }, res));
                        });
                        this.afterSelect(files);
                    }, fail: (err) => {
                        this.triggerFailEvent(err);
                    }, complete: (res) => {
                        this.triggerEvent('complete', res);
                    } }));
            },
            chooseMessageFile(mediaType) {
                const { max, config, sizeLimit } = this.properties;
                wx.chooseMessageFile(Object.assign(Object.assign({ count: max, type: Array.isArray(mediaType) ? 'all' : mediaType }, config), { success: (res) => {
                        const files = [];
                        res.tempFiles.forEach((temp) => {
                            const { size, type: fileType, path: tempFilePath } = temp, res = __rest(temp, ["size", "type", "path"]);
                            if (sizeLimit && size > sizeLimit) {
                                wx.showToast({ icon: 'none', title: `${fileType === 'image' ? '图片' : '视频'}大小超过限制` });
                                return;
                            }
                            const name = this.getRandFileName(tempFilePath);
                            files.push(Object.assign({ name, type: this.getFileType(mediaType, tempFilePath, fileType), url: tempFilePath, size: size, percent: 0 }, res));
                        });
                        this.afterSelect(files);
                    }, fail: (err) => this.triggerFailEvent(err), complete: (res) => this.triggerEvent('complete', res) }));
            },
            afterSelect(files) {
                this._trigger('select-change', {
                    files: [...this.data.customFiles],
                    currentSelectedFiles: [files],
                });
                this._trigger('add', { files });
                this.startUpload(files);
            },
        };
    }
    onProofTap(e) {
        var _a;
        const { index } = e.currentTarget.dataset;
        wx.previewImage({
            urls: this.data.customFiles.filter((file) => file.percent !== -1).map((file) => file.url),
            current: (_a = this.data.customFiles[index]) === null || _a === void 0 ? void 0 : _a.url,
        });
    }
    ready() {
        this.handleLimit(this.data.customFiles, this.data.max);
        this.updateGrid();
    }
    handleLimit(customFiles, max) {
        while (max !== 0 && customFiles.length - max > 0) {
            customFiles.pop();
        }
        const proofs = [];
        customFiles.forEach((item) => {
            if (item.type !== 'video') {
                proofs.push(item.url);
            }
        });
        this.setData({
            customFiles,
            proofs,
            customLimit: max === 0 ? Number.MAX_SAFE_INTEGER : max - customFiles.length,
        });
    }
    uploadFiles(files) {
        return new Promise((resolve) => {
            const task = this.data.requestMethod(files);
            if (task instanceof Promise) {
                return task;
            }
            resolve({});
        });
    }
    startUpload(files) {
        if (typeof this.data.requestMethod === 'function') {
            return this.uploadFiles(files)
                .then(() => {
                files.forEach((file) => {
                    file.percent = 100;
                });
                this.triggerSuccessEvent(files);
            })
                .catch((err) => {
                this.triggerFailEvent(err);
            });
        }
        this.triggerSuccessEvent(files);
        this.handleLimit(this.data.customFiles, this.data.max);
        return Promise.resolve();
    }
    triggerSuccessEvent(files) {
        this._trigger('success', { files: [...this.data.customFiles, ...files] });
    }
    triggerFailEvent(err) {
        this.triggerEvent('fail', err);
    }
    onFileClick(e) {
        const { file } = e.currentTarget.dataset;
        this.triggerEvent('click', { file });
    }
    getFileType(mediaType, tempFilePath, fileType) {
        if (fileType)
            return fileType;
        if (mediaType.length === 1) {
            return mediaType[0];
        }
        const videoType = ['avi', 'wmv', 'mkv', 'mp4', 'mov', 'rm', '3gp', 'flv', 'mpg', 'rmvb'];
        const temp = tempFilePath.split('.');
        const postfix = temp[temp.length - 1];
        if (videoType.includes(postfix.toLocaleLowerCase())) {
            return 'video';
        }
        return 'image';
    }
    getRandFileName(filePath) {
        const extIndex = filePath.lastIndexOf('.');
        const extName = extIndex === -1 ? '' : filePath.substr(extIndex);
        return parseInt(`${Date.now()}${Math.floor(Math.random() * 900 + 100)}`, 10).toString(36) + extName;
    }
    onDelete(e) {
        const { index } = e.currentTarget.dataset;
        this.deleteHandle(index);
    }
    deleteHandle(index) {
        const { customFiles } = this.data;
        const delFile = customFiles[index];
        this.triggerEvent('remove', { index, file: delFile });
    }
    updateGrid() {
        let { gridConfig = {} } = this.properties;
        if (!isObject(gridConfig))
            gridConfig = {};
        const { column = 4, width = 160, height = 160 } = gridConfig;
        this.setData({
            gridItemStyle: `width:${width}rpx;height:${height}rpx`,
            column: column,
        });
    }
};
Upload = __decorate([
    wxComponent()
], Upload);
export default Upload;