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feat: more flexible squared property read expression, fixes #643 (#646)

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* fix: more flexible squared property read expression, fixes #643

* fix: unecessary error wrapping in browser bundles

* style: update code style and types

* perf: use token.value when evalToken
This commit is contained in:
Jun Yang
2023-08-23 00:45:49 +08:00
committed by GitHub
parent dc6a301387
commit 660d9be55f
22 changed files with 261 additions and 167 deletions
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src/render/expression.spec.ts
+27 -1
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@@ -1,7 +1,9 @@
import { Tokenizer } from '../parser'
import { Drop } from '../drop'
import { QuotedToken } from '../tokens'
import { Context } from '../context'
import { toPromise, toValueSync } from '../util'
import { evalQuotedToken } from './expression'
describe('Expression', function () {
const ctx = new Context({})
@@ -32,7 +34,9 @@ describe('Expression', function () {
expect(await toPromise(create('"foo"').evaluate(ctx, false))).toBe('foo')
expect(await toPromise(create('false').evaluate(ctx, false))).toBe(false)
})
it('should support evalQuotedToken()', async function () {
expect(evalQuotedToken(new QuotedToken('"foo"', 0, 5))).toBe('foo')
})
it('should eval property access', async function () {
const ctx = new Context({
foo: { bar: 'BAR' },
@@ -162,6 +166,10 @@ describe('Expression', function () {
const ctx = new Context({ obj: { foo: 'FOO' }, keys: { "what's this": 'foo' } })
expect(await toPromise(create('obj[keys["what\'s this"]]').evaluate(ctx, false))).toBe('FOO')
})
it('should allow bracket quoted property access', async function () {
const ctx = new Context({ 'foo bar': { coo: 'FOO BAR' } })
expect(await toPromise(create('["foo bar"].coo').evaluate(ctx, false))).toBe('FOO BAR')
})
it('should support not', async function () {
expect(await toPromise(create('not 1 < 2').evaluate(ctx))).toBe(false)
})
@@ -169,6 +177,24 @@ describe('Expression', function () {
expect(await toPromise(create('not 1 < 2 or not 1 > 2').evaluate(ctx))).toBe(true)
expect(await toPromise(create('not 1 < 2 and not 1 > 2').evaluate(ctx))).toBe(false)
})
it('should allow variable as squared sub property key', async function () {
const ctx = new Context({ 'foo': { bar: 'BAR' }, 'key': 'bar' })
expect(await toPromise(create('foo[key]').evaluate(ctx))).toBe('BAR')
})
it('should allow propertyAccessToken as squared sub property key', async function () {
const ctx = new Context({ 'foo': { bar: 'BAR', key: 'bar' } })
expect(await toPromise(create('foo[foo.key]').evaluate(ctx))).toBe('BAR')
})
it('should allow nested squared property read', async function () {
const ctx = new Context({ 'foo': { bar: 'BAR', key: 'bar' } })
expect(await toPromise(create('foo[foo["key"]]').evaluate(ctx))).toBe('BAR')
})
it('should allow string as property read variable', async function () {
expect(await toPromise(create('"foo"[2]').evaluate(ctx))).toBe('o')
})
it('should allow range as property read variable', async function () {
expect(await toPromise(create('(3..5).size').evaluate(ctx))).toBe(3)
})
})
describe('sync', function () {