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docuseal/app/javascript/submission_form/formula_areas.vue

127 lines
2.8 KiB

<template>
<template
v-for="(field, fieldIndex) in fields"
:key="field.uuid"
>
<template
v-for="(area, areaIndex) in field.areas"
:key="areaIndex"
>
<Teleport
v-if="findPageElementForArea(area)"
:to="findPageElementForArea(area)"
>
<FieldArea
v-if="isMathLoaded"
:model-value="calculateFormula(field)"
:is-inline-size="isInlineSize"
:field="field"
:area="area"
:submittable="false"
:field-index="fieldIndex"
/>
</Teleport>
</template>
</template>
</template>
<script>
import FieldArea from './area'
export default {
name: 'FormulaFieldAreas',
components: {
FieldArea
},
props: {
fields: {
type: Array,
required: false,
default: () => []
},
readonlyValues: {
type: Object,
required: false,
default: () => ({})
},
values: {
type: Object,
required: false,
default: () => ({})
}
},
data () {
return {
isMathLoaded: false
}
},
computed: {
isInlineSize () {
return CSS.supports('container-type: size')
},
fieldsUuidIndex () {
return this.fields.reduce((acc, field) => {
acc[field.uuid] = field
return acc
}, {})
}
},
async mounted () {
const {
create,
evaluateDependencies,
addDependencies,
subtractDependencies,
divideDependencies,
multiplyDependencies,
powDependencies,
roundDependencies,
absDependencies,
sinDependencies,
tanDependencies,
cosDependencies
} = await import('mathjs')
this.math = create({
evaluateDependencies,
addDependencies,
subtractDependencies,
divideDependencies,
multiplyDependencies,
powDependencies,
roundDependencies,
absDependencies,
sinDependencies,
tanDependencies,
cosDependencies
})
this.isMathLoaded = true
},
methods: {
findPageElementForArea (area) {
return (this.$root.$el?.parentNode?.getRootNode() || document).getElementById(`page-${area.attachment_uuid}-${area.page}`)
},
normalizeFormula (formula, depth = 0) {
if (depth > 10) return formula
return formula.replace(/{{(.*?)}}/g, (match, uuid) => {
if (this.fieldsUuidIndex[uuid]) {
return `(${this.normalizeFormula(this.fieldsUuidIndex[uuid].preferences.formula, depth + 1)})`
} else {
return match
}
})
},
calculateFormula (field) {
const transformedFormula = this.normalizeFormula(field.preferences.formula).replace(/{{(.*?)}}/g, (match, uuid) => {
return this.readonlyValues[uuid] || this.values[uuid] || 0.0
})
return this.math.evaluate(transformedFormula.toLowerCase())
}
}
}
</script>