laundry/node_modules/@vant/weapp/dist/progress/index.js

import { VantComponent } from '../common/component';
import { BLUE } from '../common/color';
import { getRect } from '../common/utils';
VantComponent({
    props: {
        inactive: Boolean,
        percentage: {
            type: Number,
            observer: 'setLeft',
        },
        pivotText: String,
        pivotColor: String,
        trackColor: String,
        showPivot: {
            type: Boolean,
            value: true,
        },
        color: {
            type: String,
            value: BLUE,
        },
        textColor: {
            type: String,
            value: '#fff',
        },
        strokeWidth: {
            type: null,
            value: 4,
        },
    },
    data: {
        right: 0,
    },
    mounted() {
        this.setLeft();
    },
    methods: {
        setLeft() {
            Promise.all([
                getRect(this, '.van-progress'),
                getRect(this, '.van-progress__pivot'),
            ]).then(([portion, pivot]) => {
                if (portion && pivot) {
                    this.setData({
                        right: (pivot.width * (this.data.percentage - 100)) / 100,
                    });
                }
            });
        },
    },
});